MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c941762865ec73812c88477b07a173118890f17a3ea165ae81c8b21e5efecf59. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c941762865ec73812c88477b07a173118890f17a3ea165ae81c8b21e5efecf59
SHA3-384 hash: 03db3d11955da6d1fdfe5489298c699fe43a8431e81fb884bf1f7cfb75bc6d5b3dd2bba7531e302cfe12ae701b31430f
SHA1 hash: 794719da89e8f4bc944d4372547afbba88a594e1
MD5 hash: dd98655582a9eb2b5f23ea91e5e09773
humanhash: pasta-helium-sink-stairway
File name:telex.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:462'848 bytes
First seen:2020-05-06 10:48:49 UTC
Last seen:2020-05-07 13:41:36 UTC
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:b+G1lC7Ej4CD4K3NJ6yt413ONSJgryZOijEbKu:b9w7sXMck+yRj8
Threatray 10'985 similar samples on MalwareBazaar
TLSH 5AA4025C325472FFC897C473AA982CA8E712F2AF572B9613555310AC9E0DAC7DF190E2
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: icetechnologies.lk
Sending IP: 103.207.38.237
From: "刘兴宇" <sales1@icetechnologies.lk>
Subject: Re: payment confirmation
Attachment: telex.zip (contains "telex.exe")

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

Intelligence

File Origin
# of uploads :
2
# of downloads :
88
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Agensla
Create hunting rule
Status:
Malicious
First seen:
2020-05-06 03:31:46 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
26 of 31 (83.87%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zfaxmkdf5rzycleii55qpiltcgejb4l2h2qwllubzczb4xx6z5mq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
avemaria
Create hunting rule
Similar samples:
09e3903ce69ce7833be44661f3c02fdee3304b78afcb1314344f7e8c9588e4a7
AgentTesla
286746a21e00a444f5dba54bf184545a1a8a5c5c5d813139f130ee0940d0009f
AgentTesla
56c86f76934005ff25803fc7b71dfbde700ebe9bec9fa69959c16672fd458e59
AgentTesla
5bcb89f68765d1a0ab03d8bb80b4291684026d81007bcb0a1fef37932dc04f97
AgentTesla
78dc559f3c971bf8fe5eb3f669a3b8de8c18313d2c466916fc32fd27ea352700
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7da5b2a2701aa912c1e3b5d76bc926d9a446e6fcbd965bf2781d4653cc453d47
AgentTesla
aea995774e042d4c1aba6b954eb0e771548f7edb16c4d46c8cae3dae99ce7bc1
AgentTesla
e2a0f5b80f047e2610b7c42b3af3d2da4e049c63c9e35c3d9c317aecbee6f9e5
AgentTesla
f06f3723235acd9307e495542a10790ac22b8b894954484b02746409802fde10
AgentTesla
ffa4e1d372fc03bb22950e80f2f7e5369824cce75ee717feff793ddf5aed34dd
AgentTesla
+ 10'975 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla evasion keylogger persistence rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-hbkxlx75hs/
Behaviour
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Modifies service
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Disables Task Manager via registry modification
Drops file in Drivers directory
AgentTesla Payload
rezer0
ServiceHost packer
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

File information

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

Malspam

AgentTesla

zip 0998ed0682344a455fa6fb7e334a4a9a914f32bedc44bfcf7a90b9cfda337820

AgentTesla

Executable exe c941762865ec73812c88477b07a173118890f17a3ea165ae81c8b21e5efecf59

(this sample)

  
Dropped by
MD5 b6181210df87ff77330db9052dbdc927
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 0998ed0682344a455fa6fb7e334a4a9a914f32bedc44bfcf7a90b9cfda337820

Comments