MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c4bb2da6ebc3708faa91997e5863224a41e8f177793064728f8a0a3201da46a2. 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: c4bb2da6ebc3708faa91997e5863224a41e8f177793064728f8a0a3201da46a2
SHA3-384 hash: c0932ad3d661f23de3ef801037dfaca36ac9901f823638a8e371bc61feb0295251cb408786228b8ca4b06d577d9f4ed7
SHA1 hash: f5d8965ae98960e91a034b66fbda894cd3ce53fc
MD5 hash: c4afedb82af28e7a11388089ae9deb61
humanhash: cat-mobile-kentucky-alanine
File name:c4afedb82af28e7a11388089ae9deb61.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:634'880 bytes
First seen:2020-05-21 08:10:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:xAubOjmIuT4LYAqjg7PnC5RkueZXvX2/akEg/UR1pB:xAUI+4L757Pn2kNf2/MgM7r
Threatray 10'976 similar samples on MalwareBazaar
TLSH 9FD47B446E088DCEC8BBD9F44540A3442EA0ED721950FE9D59F732EAD2B2FDA64C91D3
Reporter abuse_ch
Tags:AgentTesla exe


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

Intelligence

File Origin
# of uploads :
1
# of downloads :
84
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:
2020-05-21 03:00:01 UTC
AV detection:
24 of 30 (80.00%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ys5s3jxlynyi7kurtf7fqyzcjja6r4lxpeygi4uprifdeao2i2ra._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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00b85c15e241bfcd6a5a9d64029e117876da5029b60b8f4828f859277dafc6f2
AgentTesla
3aed1fc591ecfec392005089c870bd1f645f352a99912c1de774918e1de67f8d
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41c7d6bad3849fb7c5365745b2be8678e3e8ad63d5b4e8329b1b3206c5d1adf6
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4cc5578e9b753897ef8d0659635de7aab82fe0e17b99caf8b622ba16b0ebb764
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55187d6c2f610a3ce371a1fc9771ad42d90b7266c5e9ea45fced7acf9fe0ad13
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654218028f797e5c401cc31242000aaa138e3eb0f8a920b850dadc2b2bf8f807
AgentTesla
d8450acc64ddba18cda3926697f2953a4bc632607bb975a31c8dbeaa882765d0
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e7a2a500165fd1abfed725fd1e51c07d0317cc5a524677bb1069fca38561ce84
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fba5658815c50ae760c7baf3e1bd1bc7f3f78a7bf71066c4b4502b755b35826c
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ffb4e1b5e6ac64c969e3f90351eb0d401146f266b6678dfbff611faaf15a311f
AgentTesla
+ 10'966 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-kzzgvzl96a/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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
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

Executable exe c4bb2da6ebc3708faa91997e5863224a41e8f177793064728f8a0a3201da46a2

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments