Categories: Trojan

Trojan.Win32.Cobalt.hoo malicious file

The Trojan.Win32.Cobalt.hoo 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 Trojan.Win32.Cobalt.hoo virus can do?

  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • Possible date expiration check, exits too soon after checking local time
  • Dynamic (imported) function loading detected
  • Performs HTTP requests potentially not found in PCAP.
  • CAPE extracted potentially suspicious content
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid
  • Attempts to modify proxy settings

How to determine Trojan.Win32.Cobalt.hoo?


File Info:

name: FEEDC3017AEEE7E72857.mlwpath: /opt/CAPEv2/storage/binaries/f5dd87ec40ee0c9237070798b94c9af5e041b3f48c4cf1d99dbf13e0832f13c4crc32: 4C784DB1md5: feedc3017aeee7e728577421ba829592sha1: fcccb305f5966d9fd12688a2ff982ef328669d3esha256: f5dd87ec40ee0c9237070798b94c9af5e041b3f48c4cf1d99dbf13e0832f13c4sha512: b7da38720b52043022e91767522d204829ab23da88a71384e289aca9c514bd1642cd237046f294bdd3b607c874afc86f59df35affccad4e1dd360c1f4c29f7bfssdeep: 12288:QH+o2hyIjHk/qm7+A2Qn7DKS0MFK2GchxbB/pRgDhrBlElfdMKDLlh1:sqU/RaJQnv70YlgDhrBYM8LD1type: PE32+ executable (console) x86-64, for MS Windowstlsh: T1A7555B47BCE060B6D1AAD2338A66B2A17B30B459073113C72B60A7FE5FB67D41E39354sha3_384: f881afb9915be61015186aa9f74f4e9b6f216143c36d2b5d2fac504f66e503e77a392a16658c55241f997c591a23c697ep_bytes: e97bc3ffffcccccccccccccccccccccctimestamp: 1970-01-01 00:00:00

Version Info:

0: [No Data]

Trojan.Win32.Cobalt.hoo also known as:

Lionic Trojan.Win32.Cobalt.trRF
MicroWorld-eScan Trojan.GenericKD.38251291
FireEye Trojan.GenericKD.38251291
McAfee Artemis!FEEDC3017AEE
Alibaba Trojan:Win32/Cobalt.e941b5f1
TrendMicro-HouseCall TROJ_GEN.R002H07LC21
Paloalto generic.ml
Kaspersky Trojan.Win32.Cobalt.hoo
BitDefender Trojan.GenericKD.38251291
Ad-Aware Trojan.GenericKD.38251291
Emsisoft Trojan.GenericKD.38251291 (B)
McAfee-GW-Edition Artemis
Sophos Mal/Generic-S
Ikarus Trojan.WinGo.Rozena
GData MSIL.Backdoor.Rozena.18RWTQ
Gridinsoft Ransom.Win64.Sabsik.sa
Microsoft Trojan:Win32/Mamson.A!ml
Cynet Malicious (score: 100)
ALYac Trojan.GenericKD.38251291
MAX malware (ai score=84)
APEX Malicious
Rising Backdoor.CobaltStrike!1.D9A1 (CLASSIC)
SentinelOne Static AI – Suspicious PE
MaxSecure Trojan.Malware.300983.susgen
Fortinet Malicious_Behavior.SB
Panda Trj/CI.A

How to remove Trojan.Win32.Cobalt.hoo?

  • 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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