MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b7ee4facff2af3e6d06eb2d2ed64707aef6228fd57391a7e9539ae5ef71e31f. 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



AgentTesla


Vendor detections: 8


Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash: 3b7ee4facff2af3e6d06eb2d2ed64707aef6228fd57391a7e9539ae5ef71e31f
SHA3-384 hash: 03fcdf12ab89dfb29879a388c05098942d3d0ae08181a0223f12af9f4fc6155dfd471e583af013d8b57a3dcef299e388
SHA1 hash: 394e630f282757140ebbfeab8730910fb8a1a4c7
MD5 hash: 8c6f651e6eb371dd1d362e06975c9fd2
humanhash: winter-beryllium-ink-oregon
File name:8c6f651e6eb371dd1d362e06975c9fd2.exe
Download: download sample
Signature AgentTesla
File size:911'872 bytes
First seen:2021-03-06 18:10:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:3StebQ27t2iNEU16DT6D/6Dm6D5kP1Tyg+X4kiH72DMa3D3C/YowAfhEcDD:d1a46H6L6q6mP5OWS3S/Yooc/
Threatray 233 similar samples on MalwareBazaar
TLSH 3115AE146AD4D518E03E4B34A861D97047F7FD22D737EA0E7AE8369F3F63A419E12212
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
347
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8c6f651e6eb371dd1d362e06975c9fd2.exe
Verdict:
Malicious activity
Analysis date:
2021-03-06 18:10:55 UTC
Tags:
n/a

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

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
UNKNOWN
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:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
.NET source code contains very large strings
Found malware configuration
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
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 364312 Sample: xeQigrqfuN.exe Startdate: 07/03/2021 Architecture: WINDOWS Score: 100 31 Found malware configuration 2->31 33 Multi AV Scanner detection for dropped file 2->33 35 Sigma detected: Scheduled temp file as task from temp location 2->35 37 9 other signatures 2->37 7 xeQigrqfuN.exe 7 2->7         started        process3 file4 19 C:\Users\user\AppData\...\fBkxaRgmnPJ.exe, PE32 7->19 dropped 21 C:\Users\...\fBkxaRgmnPJ.exe:Zone.Identifier, ASCII 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmpFC87.tmp, XML 7->23 dropped 25 C:\Users\user\AppData\...\xeQigrqfuN.exe.log, ASCII 7->25 dropped 39 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->39 41 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->41 11 xeQigrqfuN.exe 6 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 27 smtp.yandex.ru 77.88.21.158, 49761, 49762, 587 YANDEXRU Russian Federation 11->27 29 smtp.yandex.com 11->29 43 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->43 45 Tries to steal Mail credentials (via file access) 11->45 47 Tries to harvest and steal ftp login credentials 11->47 49 Tries to harvest and steal browser information (history, passwords, etc) 11->49 17 conhost.exe 15->17         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-03-06 15:39:24 UTC
AV detection:
12 of 28 (42.86%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
f9d949d2f56c449c5d346bb93ed04d38426f563b022dd179ae330dab46682c3b
MD5 hash:
871e23d748ba756eaab5777708f250f8
SHA1 hash:
c9816d4ab38541aaab9aa3eab7cb4898d0b72e4a
SH256 hash:
3b7ee4facff2af3e6d06eb2d2ed64707aef6228fd57391a7e9539ae5ef71e31f
MD5 hash:
8c6f651e6eb371dd1d362e06975c9fd2
SHA1 hash:
394e630f282757140ebbfeab8730910fb8a1a4c7
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information


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

Web download

AgentTesla

Executable exe 3b7ee4facff2af3e6d06eb2d2ed64707aef6228fd57391a7e9539ae5ef71e31f

(this sample)

  
Delivery method
Distributed via web download

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