Categories: Backdoor

Backdoor.NanoCore.AutoIt (file analysis)

The Backdoor.NanoCore.AutoIt is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

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What Backdoor.NanoCore.AutoIt virus can do?

  • Executable code extraction
  • Injection (inter-process)
  • Injection (Process Hollowing)
  • Compression (or decompression)
  • Injection with CreateRemoteThread in a remote process
  • Attempts to connect to a dead IP:Port (1 unique times)
  • Creates RWX memory
  • At least one IP Address, Domain, or File Name was found in a crypto call
  • Expresses interest in specific running processes
  • Reads data out of its own binary image
  • The binary likely contains encrypted or compressed data.
  • Attempts to remove evidence of file being downloaded from the Internet
  • Executed a process and injected code into it, probably while unpacking
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config
  • Installs itself for autorun at Windows startup
  • Exhibits behavior characteristic of Nanocore RAT
  • Creates a slightly modified copy of itself
  • Collects information to fingerprint the system
  • Anomalous binary characteristics

Related domains:

windowslivesoffice.ddns.net

How to determine Backdoor.NanoCore.AutoIt?


File Info:

crc32: F4912FC3md5: a0e192a8058d267b00216f411adc56caname: A0E192A8058D267B00216F411ADC56CA.mlwsha1: f6b8fdb9fc7484183383ba5080eb5a1037a3f51esha256: ef1a8075733202d5a4866226a481db5803454f499be719d8c1a79a398366495dsha512: de8f91a7fa81975f3e418baa73ae6df3ff25eb38997e8e85e2a1c21581b93c5107bf98398cdcb5d9cff2886b8807ed4d8eda6cea25bd21626d590ee44ef62934ssdeep: 24576:qYIh5ipWsN2DPQZQuFErY24LFF+mHanc5vuZoX2lPA55:E5iU4Z3E4LF4Yanc5vmo2u5type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0809 0x04b0

Backdoor.NanoCore.AutoIt also known as:

Bkav W32.AIDetectVM.malware1
Elastic malicious (high confidence)
MicroWorld-eScan AIT:Trojan.Nymeria.3320
FireEye Generic.mg.a0e192a8058d267b
ALYac AIT:Trojan.Nymeria.3320
Cylance Unsafe
Sangfor Malware
K7AntiVirus Trojan ( 700000111 )
BitDefender AIT:Trojan.Nymeria.3320
K7GW Trojan ( 700000111 )
CrowdStrike win/malicious_confidence_100% (D)
Cyren W32/AutoIt.QF.gen!Eldorado
Symantec Trojan.Gen.MBT
APEX Malicious
ClamAV Win.Trojan.Nanocore-9789419-1
Kaspersky HEUR:Trojan.Script.AutoIt.gen
Ad-Aware AIT:Trojan.Nymeria.3320
Sophos Mal/AuItInj-A
F-Secure Heuristic.HEUR/AGEN.1100084
DrWeb Trojan.DownLoader35.21461
Invincea Mal/AuItInj-A
McAfee-GW-Edition BehavesLike.Win32.TrojanAitInject.tc
Emsisoft AIT:Trojan.Nymeria.3320 (B)
Ikarus Trojan.Win32.Injector
Jiangmin Trojan.Script.apwa
Avira HEUR/AGEN.1100084
MAX malware (ai score=88)
Antiy-AVL GrayWare/Autoit.ShellCode.a
Microsoft VirTool:Win32/AutInject.DE!bit
Arcabit AIT:Trojan.Nymeria.DCF8
ZoneAlarm HEUR:Trojan.Script.AutoIt.gen
GData AIT:Trojan.Nymeria.3320 (2x)
Cynet Malicious (score: 100)
AhnLab-V3 Malware/Win32.Generic.C3281454
McAfee Artemis!A0E192A8058D
Malwarebytes Backdoor.NanoCore.AutoIt
ESET-NOD32 a variant of Win32/Injector.Autoit.DZT
Rising Trojan.Injector/Autoit!1.BB82 (CLASSIC)
Yandex Trojan.AvsArher.bS9LKk
MaxSecure Trojan.Malware.300983.susgen
Fortinet AutoIt/Injector.DZT!tr
BitDefenderTheta AI:Packer.74D4A5D717
AVG AutoIt:Injector-JF [Trj]
Cybereason malicious.8058d2
Panda Trj/Genetic.gen
Qihoo-360 HEUR/QVM20.1.38DF.Malware.Gen

How to remove Backdoor.NanoCore.AutoIt?

  • Download and install GridinSoft Anti-Malware.
  • Open GridinSoft Anti-Malware and perform a “Standard scan“.
  • Move to quarantine” all items.
  • Open “Tools” tab – Press “Reset Browser Settings“.
  • Select proper browser and options – Click “Reset”.
  • Restart your computer.
Paul Valéry

I'm a cyber security analyst and data science expert with 5+ years of experience with security software contractors.

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