MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 581d4ba63e52707e1839c7d2c026c847d788b8b3025046bdb491f95a431ca1f7. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 581d4ba63e52707e1839c7d2c026c847d788b8b3025046bdb491f95a431ca1f7
SHA3-384 hash: 6b455fcb35fb09518bc6ede6c1b1283599dfd3874aac874c9184fa2f887300c22bfc463959dc88ee6808606bb222b10d
SHA1 hash: 66bd2644021edae205495a5c1d596d02d36e5b6c
MD5 hash: 6bb518f46d6e83083597766e0a1125e6
humanhash: skylark-high-yellow-mobile
File name:RTGS_Payment_Advice_PDF.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:717'824 bytes
First seen:2020-07-22 09:13:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 6144:oh6A9jUTkDizHMD2GhNU2KbV+2ito2Pqo6d8nlHfTkAPVX77QfiZzq4tNOyyEXdy:ZAiYGzsD2iNU2a6PKdulHfTbPVPOAoW
Threatray 10'706 similar samples on MalwareBazaar
TLSH ADE4493D3AC2641AD93E05B244F569D073B1B5473A02CB1F79CA57BC9E032CBBB86256
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: vps.hnsolutions.in
Sending IP: 204.93.168.157
From: Account<online@swastikjewellers.com>
Subject: Re:RTGS Advice
Attachment: RTGS_Payment_Advice_PDF.7z (contains "RTGS_Payment_Advice_PDF.exe")

AgentTesla FTP exfil server:
ftp.dveshop.ro:21

Intelligence

File Origin
# of uploads :
1
# of downloads :
85
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/30998/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.CAP_HookExKeylogger.543.19681.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/581d4ba63e52707e1839c7d2c026c847d788b8b3025046bdb491f95a431ca1f7/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-22 09:15:07 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=laouxjr6kjyh4gbzy7jmajwii7lyroftajienpnush4vuqy4uh3q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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+ 10'696 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200722-xzkqzzn1qx/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Executes dropped EXE
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/581d4ba63e52707e1839c7d2c026c847d788b8b3025046bdb491f95a431ca1f7

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 8ca7cb30509817527de164533bb5456302e0624f1c6e146a5fba2fee30202cb7

AgentTesla

Executable exe 581d4ba63e52707e1839c7d2c026c847d788b8b3025046bdb491f95a431ca1f7

(this sample)

  
Dropped by
MD5 ae2c3c59dbe0a365ec9e4c8b00d047a2
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/30998/
  
Dropped by
SHA256 8ca7cb30509817527de164533bb5456302e0624f1c6e146a5fba2fee30202cb7

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