MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8b15b58a7ca9b04ba9710e07b149d03dab457d499af246b74726d27795bda9f8. 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: 4


Intelligence 4 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8b15b58a7ca9b04ba9710e07b149d03dab457d499af246b74726d27795bda9f8
SHA3-384 hash: 86acd9a9c22eaba7bebf60d9663e43c1db2f73af6808aa32f22238071763fb6614a5e5d0cbe7c9c130251d3e9695b771
SHA1 hash: f0240ee626d6c7675f140ba25f9a83a896760720
MD5 hash: c985fb5a1091a05c3acd95150272b5b3
humanhash: mobile-shade-fifteen-rugby
File name:76573486.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:573'440 bytes
First seen:2020-05-01 14:48:31 UTC
Last seen:2020-05-01 15:55:21 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 6144:xTqB+Jrht2Gta6Q5EnPHzqVx/GlThQqVnL7B1b6ncCepq+4LxCn/ghlCqnbcPwpw:3hXc6QATfLGc9qbtCn/4bS3KJ65FU8
Threatray 10'574 similar samples on MalwareBazaar
TLSH 3DC4D01A06A4463BF6EF46B8C8686580C3F5A583F6C7F74EC99042FA1C92F45DD92363
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: marathon.dnssw.net
Sending IP: 81.25.112.50
From: 2020 MICROSOFT EMAIL AWARD <nj73407@gmail.com>
Subject: INTERNATIONAL PROMOTION / PRIZE AWARD DEPT
Attachment: 76573486.gz (contains "76573486.exe")

AgentTesla SMTP exfil server:
smtp.yandex.ru:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
92
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.Siggen9.43686.5857.10838.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-01 15:36:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
26 of 31 (83.87%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rmk3lct4vgyexklrbyd3csoqhwvuk7kjtlzenn2he3jhpfn5vh4a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1d0d8c5370adf00c6dfcebcd398685e53871c2848d6241854cf338149c2bd7c3
AgentTesla
2bb06f09556b4531015208c97a20dd3b56d6b82b2d3f49a353dc65be55da4623
AgentTesla
34a3ed451a024500c8d0002f55a7884bb22571baf0c71dbd412fed588d814034
AgentTesla
3d9c66589409dbd885e007520427ae5c6a97a1cd71608513292f5105a0b31dc5
AgentTesla
6952537ae0d4b3408a2e50d0f4466c2b023f82f4aebcb8fb8205525f3b232ff3
AgentTesla
72ec03ca08ff77ca14f3a6391fed5e716df65cbca4329a372876dbb451cbc448
AgentTesla
803cee37035d8ac4f93a8aea49c08e63b421ea1faf6f5778ad1f882bc16ce414
AgentTesla
906f3fbf6a6face0d18f8e7d6b4f670df91f558cb9f4719fea860748f3964891
AgentTesla
96382f5a4c395562a3d763a7f61e09486af57987d43e5cd231063993bb6952ac
AgentTesla
acd3a83423dcabf68bbb38ebc886f923fd1c5ba2fbf13f68e377f8895a1c5073
AgentTesla
+ 10'564 additional samples on MalwareBazaar
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

gz d76baa007e89ce448f85f6b55443c790c00a6a8c4171173d376435021f188fae

AgentTesla

Executable exe 8b15b58a7ca9b04ba9710e07b149d03dab457d499af246b74726d27795bda9f8

(this sample)

  
Dropped by
MD5 ec64ff59199d4e6da12144a5782c004e
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 d76baa007e89ce448f85f6b55443c790c00a6a8c4171173d376435021f188fae

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments