MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b74dc043f9a12823ed98d704e4c8543c9b5d8b9240e65e9d31d2303ab914906. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



Kovter


Vendor detections: 8


Intelligence 8 IOCs YARA 1 File information Comments

SHA256 hash: 6b74dc043f9a12823ed98d704e4c8543c9b5d8b9240e65e9d31d2303ab914906
SHA3-384 hash: b8625245e7860bedca60060f34c2b0f54009e71cdc2cc5282fb93431d203bfa22d6bf5ea27ecf5e7aaea3fa9b1ac78ce
SHA1 hash: a1231f08b5fca28fa29b6c9621cf01c4e82f3d95
MD5 hash: 0e78df69265dc57c37673bdee540ce2f
humanhash: west-thirteen-robin-nine
File name:6b74dc043f9a12823ed98d704e4c8543c9b5d8b9240e65e9d31d2303ab914906
Download: download sample
Signature Kovter
File size:6'601'656 bytes
First seen:2021-08-15 06:38:23 UTC
Last seen:2021-08-15 07:46:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 898d2213a85b483d34c574804fb124bd (2 x Kovter)
ssdeep 196608:zfija2TcwZTDVO2Z6+CTV69Vd8hhWTGPr4uDt7T:GDOMCTQ4hhuE4uDxT
Threatray 113 similar samples on MalwareBazaar
TLSH T1166623B316705191F4E9C838D637BEE570FA177E8A91A87488DB7AC12621CE5E703E43
dhash icon 62e68c18148ca0e0 (10 x CoinMiner, 7 x AgentTesla, 4 x SnakeKeylogger)
Reporter JAMESWT_WT
Tags:colibri exe Kovter Loader signed

Code Signing Certificate

Organisation:Mozilla Corporation
Issuer:DigiCert SHA2 Assured ID Code Signing CA
Algorithm:sha256WithRSAEncryption
Valid from:2021-04-09T00:00:00Z
Valid to:2024-06-19T23:59:59Z
Serial number: 0c1cd3eea47edda7a032573b014d0afd
Intelligence: 15 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: 854b470dd8c92c875fe4a726ad1619507fc0bdcee9e936b5963daf0eb26426a3
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
2
# of downloads :
1'098
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
6b74dc043f9a12823ed98d704e4c8543c9b5d8b9240e65e9d31d2303ab914906
Verdict:
Malicious activity
Analysis date:
2021-08-14 19:53:48 UTC
Tags:
trojan kovter

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Connection attempt
Sending an HTTP GET request
Sending an HTTP POST request
Sending a UDP request
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Unknown
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Detected VMProtect packer
Found C&C like URL pattern
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 465533 Sample: q2t57gIiIY Startdate: 15/08/2021 Architecture: WINDOWS Score: 100 30 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Detected VMProtect packer 2->34 36 4 other signatures 2->36 6 q2t57gIiIY.exe 16 2->6         started        11 powershell.exe 18 2->11         started        process3 dnsIp4 26 94.103.80.169, 49746, 49750, 49753 VDSINA-ASRU Russian Federation 6->26 22 C:\Users\user\AppData\...behaviorgraphet-Variable.exe, PE32 6->22 dropped 24 C:\Users\...behaviorgraphet-Variable.exe:Zone.Identifier, ASCII 6->24 dropped 38 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 6->38 40 Uses schtasks.exe or at.exe to add and modify task schedules 6->40 42 Tries to detect virtualization through RDTSC time measurements 6->42 44 Hides that the sample has been downloaded from the Internet (zone.identifier) 6->44 13 Get-Variable.exe 6->13         started        16 schtasks.exe 6->16         started        28 192.168.2.1 unknown unknown 11->28 18 Get-Variable.exe 14 11->18         started        20 conhost.exe 11->20         started        file5 signatures6 process7 signatures8 46 Multi AV Scanner detection for dropped file 13->46 48 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 13->48 50 Machine Learning detection for dropped file 13->50 52 Tries to detect virtualization through RDTSC time measurements 13->52
Threat name:
Win32.Trojan.SpyEye
Status:
Malicious
First seen:
2021-08-13 23:40:16 UTC
File Type:
PE (Exe)
Extracted files:
7
AV detection:
6 of 28 (21.43%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
suricata vmprotect
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Loads dropped DLL
Executes dropped EXE
VMProtect packed file
suricata: ET MALWARE Generic gate[.].php GET with minimal headers
suricata: ET MALWARE Likely Zbot Generic Request to gate.php Dotted-Quad
suricata: ET MALWARE Trojan Generic - POST To gate.php with no accept headers
suricata: ET MALWARE Trojan Generic - POST To gate.php with no referer
suricata: ET MALWARE WIN32/KOVTER.B Checkin
Unpacked files
SH256 hash:
db32e8b295aeb623a4e0303ee46adf1cf62c43cd9f6300d95fffd8634d7c92d2
MD5 hash:
81260f138c3eea3d2ccc95bc8023592c
SHA1 hash:
bd1e9608b9739a7752a58960258ecde57316176e
SH256 hash:
2595fe1f43f624d78b7cb8cf099d90c6741150628d69a1ba1e7c36ea16afd945
MD5 hash:
1f600b08eca9e5e503eed5e893a784e9
SHA1 hash:
15bbcee038571dc23b9e40da304aeeedb0729121
SH256 hash:
6b74dc043f9a12823ed98d704e4c8543c9b5d8b9240e65e9d31d2303ab914906
MD5 hash:
0e78df69265dc57c37673bdee540ce2f
SHA1 hash:
a1231f08b5fca28fa29b6c9621cf01c4e82f3d95
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:INDICATOR_EXE_Packed_VMProtect
Author:ditekSHen
Description:Detects executables packed with VMProtect.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments