MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9ba71cadb864e057d30e43853ab0496571740fa2dcb1f7f829ceb10413dcf21. 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: b9ba71cadb864e057d30e43853ab0496571740fa2dcb1f7f829ceb10413dcf21
SHA3-384 hash: 87976a895b05469bc96cce0b9ca4d1f1d74b66ced4e05af624df22c13f57f7871a543a752fb5de064eeb1f1d2fae4ede
SHA1 hash: 82f9f3704da4a914343e93e49143c354cc6d2b08
MD5 hash: 8ca3b460c83fed20751686a16f01ef1d
humanhash: pennsylvania-xray-london-lemon
File name:MV ASIA EMERALD II.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:631'808 bytes
First seen:2020-06-09 05:41:54 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:QFE7X0Y+eiTL78277V1SW7iMz0YxLwGYecdAZ:QFET1iTLl7DS+iS0LccdA
Threatray 10'657 similar samples on MalwareBazaar
TLSH 51D48DA3B2E0930FE2DD0CBB91F511382A956DC7D72294991B4633AE29727427D33B1D
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail0.767.domiwpo.press
Sending IP: 206.189.142.170
From: Sammy Chung <ops@nobumarine.com.sg>
Reply-To: thomas.wright2005@gmail.com
Subject: MV ASIA EMERALD II - Disch 55,000mt coal in bulk- ETA JUNE 20TH
Attachment: MV ASIA EMERALD II.rar (contains "MV ASIA EMERALD II.exe")

AgentTesla SMTP exfil server:
mail.privateemail.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
72
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WGF.5513.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-06-09 03:11:40 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xg5hdsw3qzhak7jq4q4fhkyeszlroqh2fxfr674cttvraqj5z4qq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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87c705383d31e08e0221b3c64110e10001069ec72bf8509c4eebad62bbbc32d3
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a58fc8e96f20e803cf01cffd2ca566ef4ec82ceca97f116aee211008f3f6a6e1
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c230f8806524febe04ac6856d1629d92b5c3513f601b3e39bac2c7f32c0ac4a4
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f0469a18b4e5b8784e5dcfb38938280fdaf187b94fb70ccd7b83c2ba52f574dc
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f302282c8f607b9b5225217fa0c83e843057b8e69097d36c0c70f9e8c533697e
AgentTesla
+ 10'647 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-dn7ktnlnc6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
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 55848c2d1511ad7ff88d78ffcfd3eec897ec38713a3633c34ff87d791ddd372b

AgentTesla

Executable exe b9ba71cadb864e057d30e43853ab0496571740fa2dcb1f7f829ceb10413dcf21

(this sample)

  
Dropped by
MD5 ad0434f0907b5fe8cccce6a09b63297c
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 55848c2d1511ad7ff88d78ffcfd3eec897ec38713a3633c34ff87d791ddd372b

Comments