MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1838462ae17e2fa1dd24c11f9aaa872918e3885687ab18cca6c27670249ad1d4. 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: 1838462ae17e2fa1dd24c11f9aaa872918e3885687ab18cca6c27670249ad1d4
SHA3-384 hash: 241a704dd6d449cda10894d1692d22b7d2696baf5df609d98acc4e5e3e58efea0339bbf9feddbcf8035f06ec23c66214
SHA1 hash: d6c9c71326842f252f0f52d561fe00673da15773
MD5 hash: 24830571c9b114ee04e9bfc0baf6cd95
humanhash: high-river-texas-tango
File name:UMEZZZ.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:604'160 bytes
First seen:2020-05-11 13:31:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:62WPdXMFy8nGiQUh8a/JdjhjprJgm06rD02AVuzK9:07u5/vldtgbKD02AVuO9
Threatray 10'560 similar samples on MalwareBazaar
TLSH E4D4E1140A699F37E79D127AE0824198E7FBC4774F0BE74A8D4229E50E0F3D2A9532D7
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: yingyee.cn
Sending IP: 107.173.181.114
From: yingyee-Anna <sale4@yingyee.cn>
Reply-To: yingyee-Anna <jihoseoyun20@gmail.com>
Subject: RE: PO # 19-2896 Please ship with PO19-2893
Attachment: PO 19-2896_PO19-2893 YINGYEE LIMITED.iso (contains "UMEZZZ.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
88
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-11 13:36:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
26 of 31 (83.87%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=da4emkxbpyx2dxjeyepzvkuhfemohccwq6vrrtfgyj3haje22hka._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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a4bc79cf89abc4888211b69dd7c9ed48b84d266bfd0f4853679e21e20462f5de
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b0f74b32dcc51aa7b52b6140adad4212c6fd63cfe1414a8fa7ded9bf12a8e001
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e0d1c1f7fd8a8d07882ceeb4d681f9ff2b36912e9b0a8b182b3252599c2ea699
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e236fb0d54c900d779acdc213408a6b9ca6519eca8bca6310e3b9fbe6db0b964
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f3b62cdd943d78e2bd2c8ae3e2499ec6c10b9f6df293963be6334d3428db86b1
AgentTesla
+ 10'550 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/201109-9tz6d3y4pe/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Maps connected drives based on registry
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

iso 223a8aa93fd8be05d630a1c6238bf412e08074777eca7cacac4a611dcbb0046c

AgentTesla

Executable exe 1838462ae17e2fa1dd24c11f9aaa872918e3885687ab18cca6c27670249ad1d4

(this sample)

  
Dropped by
MD5 118ef782aa7658eb717eafb3bdda37d1
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 223a8aa93fd8be05d630a1c6238bf412e08074777eca7cacac4a611dcbb0046c

Comments