MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c38ca304d90865a911a298d8d79fe91000c50d78e58383a74b5f502d4c17bf2. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: 4c38ca304d90865a911a298d8d79fe91000c50d78e58383a74b5f502d4c17bf2
SHA3-384 hash: 0d181da07feebef8f622652ba98943ef0e5cae494e000cfc2b48acbc6c50c3a73208b674385458d86b18104be8e8c28a
SHA1 hash: 351c699a2d77ca5f8ef9534f45e90272b98393cd
MD5 hash: ad0b395fa5ef9669f4c508c4ae47fca6
humanhash: mobile-purple-hotel-oxygen
File name:PO-KMML17-01-2021-ATV-image.png.zip.exe
Download: download sample
Signature AgentTesla
File size:771'072 bytes
First seen:2021-01-18 16:08:36 UTC
Last seen:2021-01-18 18:24:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:Jxf6AbON2NdJxXFL8UI8aV9M33OUL4ZephwioHqaOjjAf:7iAPdJx1oHxVabL4IroKaOjM
Threatray 2 similar samples on MalwareBazaar
TLSH 86F48C1557DDDB21EBFCA7F9AD1091A036A9E682F258E77CC972B0C16821C6804DFF90
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
134
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO-KMML17-01-2021-ATV-image.png.zip.exe
Verdict:
Malicious activity
Analysis date:
2021-01-18 16:13:25 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
MALICIOUS
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
.NET source code contains potential unpacker
.NET source code contains very large array initializations
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 341024 Sample: PO-KMML17-01-2021-ATV-image... Startdate: 18/01/2021 Architecture: WINDOWS Score: 100 29 Found malware configuration 2->29 31 Multi AV Scanner detection for dropped file 2->31 33 Sigma detected: Scheduled temp file as task from temp location 2->33 35 11 other signatures 2->35 7 PO-KMML17-01-2021-ATV-image.png.zip.exe 7 2->7         started        process3 file4 19 C:\Users\user\AppData\...\dgeQrYStyOxT.exe, PE32 7->19 dropped 21 C:\Users\...\dgeQrYStyOxT.exe:Zone.Identifier, ASCII 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmp5886.tmp, XML 7->23 dropped 25 PO-KMML17-01-2021-...age.png.zip.exe.log, ASCII 7->25 dropped 37 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->37 39 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->39 11 PO-KMML17-01-2021-ATV-image.png.zip.exe 2 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 27 smtp.vivaldi.net 31.209.137.12, 49743, 587 HRINGDU-ASIS Iceland 11->27 41 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->41 43 Tries to steal Mail credentials (via file access) 11->43 45 Tries to harvest and steal ftp login credentials 11->45 47 Tries to harvest and steal browser information (history, passwords, etc) 11->47 17 conhost.exe 15->17         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-01-17 10:39:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
18 of 29 (62.07%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
1d6ecf546163882d34d4bb2b7afa3889506ca3036ed536c4ed972ed89bdf5035
MD5 hash:
fb169513679d349cb2a7e4121bacfd4a
SHA1 hash:
26619d7ce0a175b9fc4fbfd7f4b105050562924f
SH256 hash:
4c38ca304d90865a911a298d8d79fe91000c50d78e58383a74b5f502d4c17bf2
MD5 hash:
ad0b395fa5ef9669f4c508c4ae47fca6
SHA1 hash:
351c699a2d77ca5f8ef9534f45e90272b98393cd
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information


The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other

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