MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5b1b8f25badc68e5ea51912e4d56c879a1a2e9ba3743c87a5c31843bb0ab099f. 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: 5b1b8f25badc68e5ea51912e4d56c879a1a2e9ba3743c87a5c31843bb0ab099f
SHA3-384 hash: 8cd3afb0ea1d44e9adbeee35d895abbb39d516168eaa1f1b0ecc25a350d41fda694235d5e038ba6cff4c2d980e0d1141
SHA1 hash: 4af5d0d30c9cbd2a1409453f22f62aeddaab2705
MD5 hash: c42a24e45966ba0b198b8b6bf35c6cc1
humanhash: alabama-pennsylvania-music-hotel
File name:PO 867665#.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:491'520 bytes
First seen:2020-05-12 16:21:33 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:jkRakYI77uaZoAGYupNtYjoiLZXesOwj8aftR:pK7pZoABE8jZLZXezw1X
Threatray 10'623 similar samples on MalwareBazaar
TLSH D1A4F11772C9BA07C65E08FEA4A05051837C7225F587F3CA5CD391ED23E1BC2269AD6B
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: chapar05.afr.hezardastan.net
Sending IP: 79.175.132.49
From: LEE<baiq.kirana@ui.ac.id>
Subject: PO 867665#
Attachment: PO 867665.zip (contains "PO 867665#.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
85
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.33824607.28284.13778.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-12 02:12:47 UTC
AV detection:
26 of 31 (83.87%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=lmny6jn23ruol2srsexe2vwipgq2f2n2g5b4q6s4ggcdxmflbgpq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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4e2b3791173e3bc11fbb3be7b04c226c23e6d525b987f7e044c257f55b98df5b
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a2326940fbda722ea5ee9ea6d22f61ea96d48c5e575f38181c51c0854ea99027
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da64ba6aa9134a524cb31e5d92a4c6c31980c17f8e49a9d4ab93f6a9040c9d01
AgentTesla
+ 10'613 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla coreentity evasion keylogger persistence rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-54alvsqsp2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Modifies service
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
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

zip f53448d68d4ed895231343d65065c4a82aa91b464f45ec051cbb15fb5ba1bf06

AgentTesla

Executable exe 5b1b8f25badc68e5ea51912e4d56c879a1a2e9ba3743c87a5c31843bb0ab099f

(this sample)

  
Dropped by
MD5 4d609c15ac6b9e8a7a73964b60dd0530
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 f53448d68d4ed895231343d65065c4a82aa91b464f45ec051cbb15fb5ba1bf06

Comments