MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8d1bca33c800f77b9ce017415aaadf9d619543067f9336503e21460edbc18b17. 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: 6


Intelligence 6 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8d1bca33c800f77b9ce017415aaadf9d619543067f9336503e21460edbc18b17
SHA3-384 hash: 1b0460fa7072e9952a299e56d9d50773387680dd6fadca4478ed0489b8de9902fe234aac1263c0efb7e8aa4001ffd27d
SHA1 hash: a837c2d39028523a4294c31a363718f3f95bb195
MD5 hash: 4e6f3e60d46cc93d8c7ae643341281ed
humanhash: comet-neptune-eight-speaker
File name:Swift.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:623'616 bytes
First seen:2020-07-09 09:33:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:dFr3BoDrsUXsvmfECt63rMqvD/9z4dSJ4mKgfUEprkf1z23aCOO:dFrS3XsOfEz3N4IJn8FO
Threatray 10'761 similar samples on MalwareBazaar
TLSH C2D41A397AC1941DEE3E053648F85DC167B0A18B2B12CB8F65C617AC5F076CB7B8624E
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: agrochem.org
Sending IP: 193.142.59.55
From: SALES<sales@agrochem.org>
Subject: Bank transfer credited to your IBAN
Attachment: Swift.img (contains "Swift.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
81
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Detection(s):
SecuriteInfo.com.Mal.Generic-S.14332.4680.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Running batch commands
Launching a process
Creating a file in the %AppData% directory
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8d1bca33c800f77b9ce017415aaadf9d619543067f9336503e21460edbc18b17/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-09 09:35:07 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=run4um6iad3xxhhac5avvkw7tvqzkqygp6jtmub6efda5w6brmlq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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6b24da236543d38133dc41cadcf3dea51bc290479b3d669031a2c8668a620648
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85f3f4ff256d8226555c9e7c1c346e32bd12255851d59eaa5ad645e12423519b
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d9f4c10febc99ea723d7f3f13d92be6bd54fc18eab233e5b28c5bcff0f3c1e1e
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e593655b5dafbbb4d5a991689b883d1304c8b653a714ec724d31c08ed37f13d5
AgentTesla
+ 10'751 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/200709-76kdmjbs8j/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Program crash
Suspicious use of SetThreadContext
Adds Run entry to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Loads dropped DLL
Executes dropped EXE
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

img 81aed9ad9226ae747d98d838638509fc3ca3a12916043110540a77810761bbbc

AgentTesla

Executable exe 8d1bca33c800f77b9ce017415aaadf9d619543067f9336503e21460edbc18b17

(this sample)

  
Dropped by
MD5 468620f3516856125aecc4060494d048
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/23644/
  
Dropped by
SHA256 81aed9ad9226ae747d98d838638509fc3ca3a12916043110540a77810761bbbc

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