MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 54ef8492dc0d60e314bbce5243ed05afb1e29b506128be214ede0dad479d5b83. 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: 54ef8492dc0d60e314bbce5243ed05afb1e29b506128be214ede0dad479d5b83
SHA3-384 hash: 9bfb6627d6e8547e399218e8c17dbb13a1f449f1ba6bcb7725abd93434d2083bbd81028caf76ab82241d3c0454e9abd5
SHA1 hash: 28093fb0d71c0dec82ad1932279b162df65a5d79
MD5 hash: 3a7acac9c2252123597b8e216f4017df
humanhash: zulu-earth-foxtrot-delta
File name:PO_287109139.pdf_______.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:801'280 bytes
First seen:2020-07-24 07:58:08 UTC
Last seen:2020-07-25 00:45:14 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:p6gVShDE44QqzJ+K0IfStTwe0FW3rcioVa3PqzeZLSDsGxOOvulh8rd1rqPQ4WmG:b8m4k7f5e0arc8qFTMv8rd1eWM50
Threatray 10'860 similar samples on MalwareBazaar
TLSH F305392DFB856884C43E0B3544BA59806271FB4B2A1DCA0E25F6361C9F322DB7767D4E
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail.saglikliveguzel.com
Sending IP: 185.48.181.145
From: PRISCILLA DAVID <jzz.sammler@cityweb.de>
Subject: Re: Re: PO_287109139
Attachment: PO_287109139.pdf_______.gz (contains "PO_287109139.pdf_______.exe")

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

Intelligence

File Origin
# of uploads :
2
# of downloads :
74
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/32033/
Detection(s):
Win.Malware.AgentTesla-7660762-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching the default Windows debugger (dwwin.exe)
Using the Windows Management Instrumentation requests
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/54ef8492dc0d60e314bbce5243ed05afb1e29b506128be214ede0dad479d5b83/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-24 08:00:08 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ktxyjew4bvqogff3zzjeh3ifv6y6fg2qmeul4iko3yg22r45lobq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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+ 10'850 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/200724-j19fvpq9ws/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Program crash
Suspicious use of SetThreadContext
Loads dropped DLL
Reads user/profile data of web browsers
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:
Malicious File
Score:
0.78
Link:
https://yomi.yoroi.company/submissions/54ef8492dc0d60e314bbce5243ed05afb1e29b506128be214ede0dad479d5b83

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 8f108e802a240bc0996ba1aed1c22531ccc15bcfd730f825bba3d3a28c21a208

AgentTesla

Executable exe 54ef8492dc0d60e314bbce5243ed05afb1e29b506128be214ede0dad479d5b83

(this sample)

  
Dropped by
MD5 7105610dc0f1e40fddfd4212f479b10a
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/32033/
  
Dropped by
SHA256 8f108e802a240bc0996ba1aed1c22531ccc15bcfd730f825bba3d3a28c21a208

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