MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5258ddc74fd2d455241f16d2505ab8c67b590fde3f5475be867e28c7856be07. 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: b5258ddc74fd2d455241f16d2505ab8c67b590fde3f5475be867e28c7856be07
SHA3-384 hash: bb1433f6ff7939de4f4f4f5f80565ef65753fa6fc94e7d24ac7910ae645e2ab7be5591e2a7351f6f573a82cfd7ea744d
SHA1 hash: c3eab3f4e7c315b3da73164343a4050d6b3a75e4
MD5 hash: bfa3f50f22087af2d2005fdbbd9fc1db
humanhash: cardinal-mexico-quebec-lamp
File name:New Doc 80788 2020-06-04 17.22.48.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:494'080 bytes
First seen:2020-06-05 19:17:41 UTC
Last seen:2020-06-05 19:51:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'651 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:NakBeRFRh079rojyh+/W25dxu6vZIv7rndAA:NakBeRFRS79k2h+/9DBZIvlA
Threatray 10'623 similar samples on MalwareBazaar
TLSH 1FB47CE26F4CC269C86B52BD84B646776533A31D9C28D60CEDB9FE5B7C32306401798B
Reporter abuse_ch
Tags:AgentTesla exe Yahoo


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: sonic307-27.consmr.mail.sg3.yahoo.com
Sending IP: 106.10.241.44
From: ASIAENGG Front Office <reception@asiaengg.com>
Subject: Re: Returned Payment
Attachment: New Doc 80788 2020-06-04 17.22.48.arj (contains "New Doc 80788 2020-06-04 17.22.48.exe")

AgentTesla SMTP exfil server:
webmail.dragon-pack.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
77
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.LuheFihaA.22963.10687.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Infostealer.Agensla
Create hunting rule
Status:
Malicious
First seen:
2020-06-05 19:19:04 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wusy3xdu7uwukusb6fwskbnlrrt3leh54p2uow7im7riy6cwxydq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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a9103ccf2939a9a9b54d8c50aa993af6fcf3ddda4e0491f1987fe09a83f98ab3
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d2cc2b6ba20f79d6fcb9c05d24b99d492ae1f4c6d12fe836e5aa05f32bb68beb
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d3dc0fad4580b2c3d0f5bfe27fd99d66b20f2a2c65c219218f9e6628a9df5d2b
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edb51d595de89116b04ffcf488ee84943d47cbbc0803dc81aac6752600cd7528
AgentTesla
+ 10'613 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-hq7f1rxj3n/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
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
AgentTesla Payload
rezer0
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

arj bc2abf8ad4c2f193545988068314d2be4e7321d556c512d3c690f26c6b24dda9

AgentTesla

Executable exe b5258ddc74fd2d455241f16d2505ab8c67b590fde3f5475be867e28c7856be07

(this sample)

  
Dropped by
MD5 9abb0c2ea24910b0f4c8d2b054c8b6fc
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 bc2abf8ad4c2f193545988068314d2be4e7321d556c512d3c690f26c6b24dda9

Comments