MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f4b3f3f1705bb5ab7ed5d0dc4bcbae09fd927a760aadbce66762d311450750b5. 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: f4b3f3f1705bb5ab7ed5d0dc4bcbae09fd927a760aadbce66762d311450750b5
SHA3-384 hash: c58a995cadbc2d63d89351b8058b19e5430db0a2a9ba42d9ba2afe0a025dac002340917f8145c106de95453bf9cc180c
SHA1 hash: 9c7345fa815171d215936da448e1f20d0fdbe85f
MD5 hash: 9a4af27053ad000a43db3e56635722d4
humanhash: kentucky-magnesium-north-hydrogen
File name:9a4af27053ad000a43db3e56635722d4.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:423'424 bytes
First seen:2020-06-01 08:10:45 UTC
Last seen:Never
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:cHsRurAiBVNmJtLN/X3eNq1nXjoXuAUORfs4saWy1ee:cMRurAiBVNqtFX3leuJORk4sVyQe
Threatray 11'217 similar samples on MalwareBazaar
TLSH 5994128DA76C601FCB5F0CFEB582500603F4D54B29A3F7C88EB161B6561E7D19291BA3
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
mail.izakuiki.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
67
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.Genkryptik
Create hunting rule
Status:
Malicious
First seen:
2020-06-01 14:36:15 UTC
AV detection:
18 of 31 (58.06%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6sz7h4lqlo22w7wv2doexs5obh6ze6twbkw3zzthmljrcrihkc2q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0179848cfc3414a2799af814eada847b33e5492f5824bf0b2418137dc4c02d47
AgentTesla
0f3fe234c700b316a460c05098c843efbb0965b672d0e7a6f58028669c37ccb9
AgentTesla
271d081750e61123ceda8a898533f5b636254030a65f14a71ecae2b8ea649443
AgentTesla
2cc57320f08629f63cf5cfc65ba1cbe100b097a1b7b34ff2bc17d5dff53a7c15
AgentTesla
400ad786bf1e76812b70a3ab4ba345668fe07c176743f412f6ff5372238c2320
AgentTesla
63b4e4beaf7cb64789e465392b51d438b73184676d7ab496112a53e8651d41e8
AgentTesla
9caf8ad45b0899bf225ca383b93a18cafa6d7c666b9aab9eaa88ce0075daa63e
AgentTesla
a325f636f8f04610f7abed81f75739bba89f86d802415efd6725e127619cbf02
AgentTesla
ad98f33158ced7ab0acb3166f2d14ea2cf74c39276f478b3922bd0224a0f49f6
AgentTesla
af8f8de6f3255cd5e56dac580f9723f0c786281781122946478720a80e49daa7
AgentTesla
+ 11'207 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla coreentity keylogger persistence rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-h4sxmq2zbn/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
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
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

Executable exe f4b3f3f1705bb5ab7ed5d0dc4bcbae09fd927a760aadbce66762d311450750b5

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments