MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4421f642dd9caf0803c0be41afd29115599f419b34c1b5c8c054324212803752. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4421f642dd9caf0803c0be41afd29115599f419b34c1b5c8c054324212803752
SHA3-384 hash: 17ca2d6ba29be0b0c9c6dff52f3c2e6af4e8060d16123b1dd8e1ee28d828bab78a73dadb291463aceb3e790ad9c59434
SHA1 hash: 57a12679e644430c8a0a75708821ba5c073d0b6d
MD5 hash: a45093f36387f1f4771866604f16456d
humanhash: earth-sierra-mountain-beer
File name:MRCSB Office Proposal201 #218B 20200505 ,pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:805'376 bytes
First seen:2020-05-05 05:45:28 UTC
Last seen:2020-05-05 07:07:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:4TuOGyAz4sUQHX8viPYe0Sh9Otkk1lQ7+cOKY2P3Bp0KHijS84hQjuaiPmtY4cgP:4TH9AzqKP8kk1SM2vBDn
Threatray 10'656 similar samples on MalwareBazaar
TLSH 2B054B99336072EEEB23E4F2DD5C2D64E520E8FF8746B40A5323356A5A1C453DE360B6
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
4
# of downloads :
90
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.Siggen9.44381.11007.21120.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Noon
Create hunting rule
Status:
Malicious
First seen:
2020-05-05 03:26:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
25 of 30 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=iqq7mqw5tsxqqa6axza27uurcvmz6qm3gta3lsgakqzeeeuag5ja._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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103e7d56674c0bbc15c3e92bccfa444dfa0d13412f9a34012e0dc1ab7f7b9f18
AgentTesla
16a372b8bf67ed98f8065274e22b1c36ad0b0a6fbd8a8a4a4afb0e9b07665612
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2dc641b2ac5718acde0785dc599500a5c624991407b23d58a58f72c9886d0f88
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3c1e86488fe5d68c50ae1d1b13138419f9d14e7ebc33c284c29b4385dd5c8493
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71ade4a829fd6ad92da63b1551d6e2cd15622ae6858b89f20e51dfa62f77b176
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9078f24603c107de0a603985cdc97c1dbf9af3cf4571c78a030c41e825ddd7d8
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90dcb385b06592664cb04ab1ac751748aafd8d8f9673547e19c8370bb614acf2
AgentTesla
b3382a480fd0e7749a33bf51874e5b69cdcc8286fe9768c5b5dbad912ff549c2
AgentTesla
dcbfc03cfe9523c25ab335f599cebcbbe8f2439ef7ab973aa9ec0330e4e7d11f
AgentTesla
+ 10'646 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-vqrladgtaa/
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
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

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

rar 423939e139459de143cff6c82fc823b21ecdfce42672cf319eba4e087f8c6743

AgentTesla

Executable exe 4421f642dd9caf0803c0be41afd29115599f419b34c1b5c8c054324212803752

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 423939e139459de143cff6c82fc823b21ecdfce42672cf319eba4e087f8c6743

Comments