MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 34604c450edccb519e89347afd87707ca455038abfc2cc0e5b2919a4a677f93c. 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: 34604c450edccb519e89347afd87707ca455038abfc2cc0e5b2919a4a677f93c
SHA3-384 hash: 48797f845dc6612f8757ccdedb9cbec9d609857350d7d81c7ae6400ca2086c705c76037b05aa89f6887aa2a1b06f7390
SHA1 hash: dbf352dd70a714e9f1f0b03832c0eca8eab17754
MD5 hash: 561978ce5c5027ddd74ab9958c89569e
humanhash: beryllium-dakota-sink-tennessee
File name:sales _pdf.gz.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:515'584 bytes
First seen:2020-05-15 06:46:46 UTC
Last seen:2020-05-15 21:25:41 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:zbCHJbmCl06aBGW6c8pf1+jIWmvMu4sdXN2SmGwgfeo:iUCC6aCcbjzmUuhXoSogfeo
Threatray 10'642 similar samples on MalwareBazaar
TLSH 5AB4DFBC717D1F67E87D06F15890029403F2A191BD6AF7C89DD170EB29E1F812B8629B
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: jsrtexgroup.com
Sending IP: 103.99.1.148
From: "Sincerely"<tara.tsai@jsrtexgroup.com>
Subject: RE:Revised Sales Contract 
Attachment: sales _pdf.gz.zip (contains "sales _pdf.gz.exe")

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

Intelligence

File Origin
# of uploads :
5
# of downloads :
83
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-14 19:17:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
22 of 30 (73.33%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=grqeyrio3tfvdhujgr5p3b3qpssfka4kx7bmyds3fem2jjtx7e6a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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6aabec40fbbdc99cc540031046b903bafe2a43e58e92be0dea026ee2f7569242
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6f5b0135a9800946845f48fdd84ab322ca4c4c5c1efcb79fcf82969f76099886
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d1863b802d34e0fce4629d1df6fecd8b7918cd43047e65ed61dc770816fe275d
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ff8d6da1265736b8a06bcc8a9837bc151e00385c45355807a75e492eeea01219
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ffaa3edd6eedc635694e76267f20d5ff6d8c57a7083a80c1c2f0834a3145bb86
AgentTesla
+ 10'632 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla coreentity keylogger rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-ta6bsfmv82/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
rezer0
AgentTesla
CoreEntity .NET Packer
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

zip 8eaf735b18c3a1ebd7077eeac81457f1e7311114dd28604246728c4e02881f7c

AgentTesla

Executable exe 34604c450edccb519e89347afd87707ca455038abfc2cc0e5b2919a4a677f93c

(this sample)

  
Dropped by
MD5 92e628a9e4771d284e294da1efc0fb22
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 8eaf735b18c3a1ebd7077eeac81457f1e7311114dd28604246728c4e02881f7c

Comments