MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f963ce598b11ed2af565732a5467142ee03fbfc1ae1239935bf63c304ad9df8. 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: 6


Intelligence 6 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4f963ce598b11ed2af565732a5467142ee03fbfc1ae1239935bf63c304ad9df8
SHA3-384 hash: 6d1096ee03f3e9f20f0b02dcbf86535d01e15ca814f6e3ba9c589fbae44cf713a39ae14a18e626e9fccb3857031eae4f
SHA1 hash: 2d335585de56c27ff90b024660dfe1e1f5416fdf
MD5 hash: bacd38e0e77f002202cecf77904b061c
humanhash: uncle-four-papa-undress
File name:proforma invoice.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:519'168 bytes
First seen:2020-06-15 12:02:55 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 12288:53IEzzvjeHV8cNdiFPtgIHX+DDrKmlIF6ezIZil:XP6VcXwIFtIZil
Threatray 10'792 similar samples on MalwareBazaar
TLSH 6CB4CF19679C861BC9FE0D79D1B3241197B5A2937612E74F984C8CEB2A433CCCC937A6
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: trevorthomsen.com
Sending IP: 103.141.136.4
From: accounts@trevorthomsen.com
Subject: RE: Confirm revised invoice to proceed with payment ASAP.
Attachment: proforma invoice.zip (contains "proforma invoice.exe")

AgentTesla SMTP exfil server:
us2.smtp.mailhostbox.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
68
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Agenttesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/10332/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WEZ.5146.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-06-15 12:04:08 UTC
AV detection:
20 of 29 (68.97%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=j6ldzzmywepnfl2wk4zkkrtrilxah674dlqshgjvx5r4gbfntx4a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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+ 10'782 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/201109-8gqphzz28e/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Drops startup file
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

zip ed5239af88e03c558d538bd89d8bb7bd453a0c8d423e86653f2b9867bf79677a

AgentTesla

Executable exe 4f963ce598b11ed2af565732a5467142ee03fbfc1ae1239935bf63c304ad9df8

(this sample)

  
Dropped by
MD5 4b7a03fcdc832000ab39ab3022ddde73
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 ed5239af88e03c558d538bd89d8bb7bd453a0c8d423e86653f2b9867bf79677a
Cape
Cape
https://www.capesandbox.com/analysis/10332/

Comments