MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 87f55f5b616401b8f1e43bd3f56b5d55fa4ca3e6e9c878260702f63020042079. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 87f55f5b616401b8f1e43bd3f56b5d55fa4ca3e6e9c878260702f63020042079
SHA3-384 hash: 18fc2531024e4da893b0f68f14c009e0665ae2ebf9545d954a89f3b3c01a67738154f73403d748e53df9c7a5101deb8c
SHA1 hash: 30c62964226522195fd8a9d16f8c33e837fc7431
MD5 hash: 8a71c15631e576407cb4412e7e32caee
humanhash: skylark-johnny-mirror-sad
File name:payment advice_pdf______.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:521'728 bytes
First seen:2020-08-18 12:48:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:chxKKfxG2HUATCVDcIfyD39kQq8kWo4zKcVafzyFR6Db0jkx:ewKJGulTCx3qxkOToJcfF
Threatray 9'404 similar samples on MalwareBazaar
TLSH 15B40118B154B69FD87F8D79A4980C74977032B7634BF3069C4399DAAE0DF92CF049A2
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: craigwood.com.hk
Sending IP: 185.222.57.238
From: kay.feng <kay.feng@craigwood.com.hk>
Subject: RE: PANAPESCA PES50526 SWIFT
Attachment: payment advice_pdf______.gz (contains "payment advice_pdf______.exe")

AgentTesla SMTP exfil server:
smtp.airlndia.in:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
67
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/47851/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/87f55f5b616401b8f1e43bd3f56b5d55fa4ca3e6e9c878260702f63020042079/
Threat name:
ByteCode-MSIL.Trojan.CryptInject
Create hunting rule
Status:
Malicious
First seen:
2020-08-18 06:37:50 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=q72v6w3bmqa3r4pehpj7k225kx5ezi7g5hehqjqhal3daiaeeb4q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 9'394 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200818-lx8fy5bxna/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/87f55f5b616401b8f1e43bd3f56b5d55fa4ca3e6e9c878260702f63020042079

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

gz b5092de7d9efd12ed6e447858124e9d7712df9fe7ff7df1d9689b44275b98d5c

AgentTesla

Executable exe 87f55f5b616401b8f1e43bd3f56b5d55fa4ca3e6e9c878260702f63020042079

(this sample)

  
Dropped by
MD5 4afa66c5c25c0fba7eccf33d6fd28efd
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/47851/
  
Dropped by
SHA256 b5092de7d9efd12ed6e447858124e9d7712df9fe7ff7df1d9689b44275b98d5c

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