MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c794e52e53a25235b2c3ecb1db63f5d8fc690ee889e32f5df4ad351fb24bcc34. 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: 12


Intelligence 12 IOCs YARA 7 File information Comments

SHA256 hash: c794e52e53a25235b2c3ecb1db63f5d8fc690ee889e32f5df4ad351fb24bcc34
SHA3-384 hash: 737efb74aaee7796a3930588703a6a823fe4a1cf55454e7bf08f94a04df8cf631ef879abab3c7c283813b06ca03c1692
SHA1 hash: bb514b7fd44138b020c210f7e810a574c8140175
MD5 hash: 6013faef1e191eb0b9419f1c58b83de2
humanhash: autumn-river-johnny-king
File name:70%.Advance.payment.012,022020.pdf.exe
Download: download sample
Signature AgentTesla
File size:660'480 bytes
First seen:2020-12-03 17:44:15 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 12288:1lX8GOnvTvEoxH08xbO0AsHDiSiD7QGDzUpZ2HoR8nCfI:oGOv7EoV0CmsjjubHhx
Threatray 10'801 similar samples on MalwareBazaar
TLSH 95E4F13123697F96DE794BF4A16134441FB4B427A636F28DACC111DE21ABB058FA0DB3
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: supplyafrica.co.tz
Sending IP: 160.20.147.41
From: Account Payment Department<sales@supplyafrica.co.tz>
Reply-To: Accountant<officeme47@yandex.com>
Subject: RE: Advance Payment Slip For December 2020
Attachment: 70%.Advance.payment.012,022020.pdf.7z (contains "70%.Advance.payment.012,022020.pdf.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
200
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Launching a process
Creating a process with a hidden window
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspicious Double Extension
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 326630 Sample: 70%.Advance.payment.012,022... Startdate: 03/12/2020 Architecture: WINDOWS Score: 100 26 prda.aadg.msidentity.com 2->26 28 g.msn.com 2->28 32 Found malware configuration 2->32 34 Multi AV Scanner detection for dropped file 2->34 36 Sigma detected: Scheduled temp file as task from temp location 2->36 38 10 other signatures 2->38 8 70%.Advance.payment.012,022020.pdf.exe 6 2->8         started        signatures3 process4 file5 20 C:\Users\user\AppData\...\wvxwvcaaBi.exe, PE32 8->20 dropped 22 C:\Users\user\AppData\Local\...\tmp805E.tmp, XML 8->22 dropped 24 70%.Advance.paymen...,022020.pdf.exe.log, ASCII 8->24 dropped 40 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->40 42 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->42 44 Injects a PE file into a foreign processes 8->44 12 70%.Advance.payment.012,022020.pdf.exe 2 8->12         started        16 schtasks.exe 1 8->16         started        signatures6 process7 dnsIp8 30 web2.changeip.com 67.21.94.4, 49750, 587 ST-BGPUS United States 12->30 46 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->46 48 Tries to steal Mail credentials (via file access) 12->48 50 Tries to harvest and steal ftp login credentials 12->50 52 2 other signatures 12->52 18 conhost.exe 16->18         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-12-03 17:45:06 UTC
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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
Unpacked files
SH256 hash:
c88a66cbf00b12c88e2b970b8bc220e970e8465e56098ced24e97d42be901b94
MD5 hash:
a60401dc02ff4f3250a749965097e13f
SHA1 hash:
3f22d28fd765f831084cb972a8bd071e421c26a1
SH256 hash:
bb083360f5c2e6ef9efd292d1ca753de9065dc0d596ac524176e3175ec972bd3
MD5 hash:
8ec848efaf1290f84239b2364db31179
SHA1 hash:
770f253ad6a8c7d57e7f012dd5ebb0e2523de5d0
SH256 hash:
c794e52e53a25235b2c3ecb1db63f5d8fc690ee889e32f5df4ad351fb24bcc34
MD5 hash:
6013faef1e191eb0b9419f1c58b83de2
SHA1 hash:
bb514b7fd44138b020c210f7e810a574c8140175
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_extracted_bin
Author:James_inthe_box
Description:AgentTesla extracted
Rule name:AgentTesla_mod_tough_bin
Author:James_inthe_box
Reference:https://app.any.run/tasks/3b5d409c-978b-4a95-a5f1-399f0216873d/
Rule name:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:agent_tesla_2019
Author:jeFF0Falltrades
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla
Rule name:win_agent_tesla_w1
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.

f45f1b607976ebf47b4c37ce9b29fbc8

AgentTesla

Executable exe c794e52e53a25235b2c3ecb1db63f5d8fc690ee889e32f5df4ad351fb24bcc34

(this sample)

  
Dropped by
MD5 f45f1b607976ebf47b4c37ce9b29fbc8
  
Delivery method
Distributed via e-mail attachment

Comments