Categories: Malware

Troj/Upatre-YJ (file analysis)

The Troj/Upatre-YJ 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 Troj/Upatre-YJ virus can do?

Sample contains Overlay data
Performs HTTP requests potentially not found in PCAP.
Reads data out of its own binary image
Drops a binary and executes it
The binary contains an unknown PE section name indicative of packing
Executable file is packed/obfuscated with MPRESS
Authenticode signature is invalid
Attempts to repeatedly call a single API many times in order to delay analysis time
Attempts to modify proxy settings
Yara rule detections observed from a process memory dump/dropped files/CAPE

How to determine Troj/Upatre-YJ?


File Info:
name: C63F45B1CA991048EBE3.mlwpath: /opt/CAPEv2/storage/binaries/73cb25de3f94815cecfc3490798773c254ca8d86e75f74956602bbb6e8c080fbcrc32: 8A8F0B28md5: c63f45b1ca991048ebe37fa05eeae882sha1: 2b44b9a3478d5fd5df61538875c4265c13b70226sha256: 73cb25de3f94815cecfc3490798773c254ca8d86e75f74956602bbb6e8c080fbsha512: 61e5fe758c70fc85b962359444ff02dbe957609f2d85c07dda3924ad172ac8abd5b43a96d16d04f546f74973038157f65fbfbedefcd311cc4f08355b8d9326abssdeep: 384:W6CpSYp0ai1jf4eVFra8w1oOBkYgRIPZtN8nL8kVa6Vr5IaphDB:W67xaGjAer2kYOwD2LdlRyQNtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T134C2AE3C5EE91A77D3B7DABAC5F655C7B921B42239129C0D40CB03850C13F57ADA1A2Esha3_384: 5747fbda3f1606521539373d63f79365e3e55daf238e01f7050db87efc5be3a2d1c5064c82fb14a95ff681f94d1f72d4ep_bytes: 558becb83c200000e893030000535657timestamp: 2013-09-11 14:39:41
Version Info:
0: [No Data]

Troj/Upatre-YJ also known as:

Bkav	W32.AIDetectMalware
Elastic	malicious (high confidence)
MicroWorld-eScan	Trojan.GenericKDZ.94601
CAT-QuickHeal	Downldr.Upatre.S3306061
McAfee	Downloader-FBRM!C63F45B1CA99
Malwarebytes	Generic.Malware.AI.DDS
VIPRE	Trojan.GenericKDZ.94601
Sangfor	Trojan.Win32.Save.a
K7AntiVirus	Trojan ( 0052964f1 )
K7GW	Trojan ( 0052964f1 )
CrowdStrike	win/malicious_confidence_100% (D)
Baidu	Win32.Trojan-Downloader.Waski.k
VirIT	Trojan.Win32.Upatre.BT
Cyren	W32/S-c2fca85b!Eldorado
Symantec	Downloader.Upatre!gm
tehtris	Generic.Malware
ESET-NOD32	a variant of Win32/TrojanDownloader.Small.PRL
APEX	Malicious
ClamAV	Win.Malware.Ppatre-7112288-0
Kaspersky	HEUR:Trojan.Win32.Bublik.gen
BitDefender	Trojan.GenericKDZ.94601
NANO-Antivirus	Trojan.Win32.DownLoad3.cqsjfu
SUPERAntiSpyware	Trojan.Agent/Gen-Downloader
Avast	Win32:Downloader-WID [Trj]
Rising	Downloader.Agent!1.E264 (CLASSIC)
Emsisoft	Trojan.GenericKDZ.94601 (B)
F-Secure	Trojan.TR/Crypt.XPACK.Gen
DrWeb	Trojan.DownLoader26.64201
Zillya	Trojan.Bublik.Win32.24463
McAfee-GW-Edition	BehavesLike.Win32.Generic.mz
Trapmine	malicious.high.ml.score
FireEye	Generic.mg.c63f45b1ca991048
Sophos	Troj/Upatre-YJ
SentinelOne	Static AI – Malicious PE
GData	Win32.Trojan-Downloader.Upatre.BJ
Jiangmin	TrojanDownloader.Genome.acpr
Webroot	W32.Malware.Gen
Google	Detected
Avira	TR/Crypt.XPACK.Gen
MAX	malware (ai score=86)
Antiy-AVL	Virus/Win32.Expiro.imp
Xcitium	TrojWare.Win32.TrojanDownloader.Small.PRN@7tcee6
Arcabit	Trojan.Generic.D17189
ZoneAlarm	HEUR:Trojan.Win32.Bublik.gen
Microsoft	Trojan:Win32/Vindor!pz
Cynet	Malicious (score: 100)
AhnLab-V3	Trojan/Win32.Upatre.R234120
Acronis	suspicious
BitDefenderTheta	Gen:NN.ZexaF.36318.bmY@aGuejGf
ALYac	Trojan.GenericKDZ.94601
VBA32	Trojan.Delf
Cylance	unsafe
Panda	Trj/Genetic.gen
Tencent	Malware.Win32.Gencirc.10b2d977
Yandex	Trojan.GenAsa!LXiB97J6ZtU
Ikarus	Trojan-Downloader.Win32.Small
MaxSecure	Downloader.Upatre.a
Fortinet	W32/Tiny.NIV!tr
AVG	Win32:Downloader-WID [Trj]
DeepInstinct	MALICIOUS