MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a8b678fcf25d4abc38f6fbd5bb7b1d79b90f111967e956f695f36e5a058d1419. 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: 5


Intelligence 5 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a8b678fcf25d4abc38f6fbd5bb7b1d79b90f111967e956f695f36e5a058d1419
SHA3-384 hash: 2af282dffdf928e3bb749d6b94644ca9d55130b1a8458a46738dff2a20c86f02ba8261f8cd3fee21eaf055a06ed7396c
SHA1 hash: 680b29eccd998e2a6c3df949aef9715d4875b2a8
MD5 hash: 2d53a134cf2c61d62f0906dbf2692b63
humanhash: seventeen-fillet-mockingbird-sweet
File name:good.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:404'992 bytes
First seen:2020-06-23 14:27:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:aLx+P9V2+sEBDoo8PETViEbO7SBG1OnQAb:alrEBDobSVG8o
Threatray 10'690 similar samples on MalwareBazaar
TLSH 848402213AF90632FAADABFA54E23141237B7967A635D70C9D1D108E4F27B82C511F63
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: fre.freespirittours.ge
Sending IP: 192.254.140.61
From: executive@freespirittours.net
Subject: profoma
Attachment: profoma.rar (contains "good.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
89
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/13101/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen2.51012.UNOFFICIAL
Create hunting rule

Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a8b678fcf25d4abc38f6fbd5bb7b1d79b90f111967e956f695f36e5a058d1419/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-06-23 14:29:05 UTC
AV detection:
26 of 31 (83.87%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vc3hr7hslvflyohw7pk3w6y5pg4q6eizm7uvn5uv6nxfubmncqmq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'680 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200624-m323ns1fd6/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Creates scheduled task(s)
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP clients
AgentTesla
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:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

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

Malspam

AgentTesla

rar f5df027d7b6e96e4e7a5f3d6ce7489137ef8f0d958b7954d856e68be5ac5c28e

AgentTesla

Executable exe a8b678fcf25d4abc38f6fbd5bb7b1d79b90f111967e956f695f36e5a058d1419

(this sample)

  
Dropped by
MD5 664bc3aa303404304b1b11aff3320380
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/13101/
  
Dropped by
SHA256 f5df027d7b6e96e4e7a5f3d6ce7489137ef8f0d958b7954d856e68be5ac5c28e

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