MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d81e8511ca6925abf689f2f0e7c7ec5b1f14338a66b3329fa38e5a6d7b594392. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments

SHA256 hash: d81e8511ca6925abf689f2f0e7c7ec5b1f14338a66b3329fa38e5a6d7b594392
SHA3-384 hash: 99ef153e09d5d918fec99cfbc45c1bddcbbf810cdd980b7d4cb2bf0449f3a0cf9f1ab19f639e85d29f023cdd65aa5015
SHA1 hash: 61d08e9ee178aa914894c8a3d6a0e02310cff9be
MD5 hash: 4265979171ef5d57d593985e6a10b011
humanhash: magazine-vegan-skylark-utah
File name:Shipment document.exe
Download: download sample
Signature AgentTesla
File size:2'448'384 bytes
First seen:2023-11-23 23:28:07 UTC
Last seen:2023-11-24 01:15:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'643 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 49152:bkx+PU4vtlRtov0OcWfSloZcgTCmVKSBa5:IIPU4vLRtG0OrfSecmg
Threatray 5 similar samples on MalwareBazaar
TLSH T10FB5F11B168CFF6DB0297EAF655B180E3152C0D5A6E4E188D8CADF41ACED49C8B771B0
TrID 30.2% (.EXE) Win64 Executable (generic) (10523/12/4)
18.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
14.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
12.9% (.EXE) Win32 Executable (generic) (4505/5/1)
5.9% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter Anonymous
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
368
Origin country :
CH CH
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Сreating synchronization primitives
DNS request
Reading critical registry keys
Sending an HTTP GET request
Creating a window
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade packed
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 very large array initializations
.NET source code references suspicious native API functions
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
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-11-23 08:36:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
AgentTesla
Unpacked files
SH256 hash:
11ea561661337d68bcdfa3b4586ebf3bc51825c50db1fca0053e660b1ce0cb54
MD5 hash:
d7fb19f0330ef0e2427224ab09d6b62d
SHA1 hash:
475366e11cd1b78d9f6b294e4b76dffccb162c3d
SH256 hash:
d81e8511ca6925abf689f2f0e7c7ec5b1f14338a66b3329fa38e5a6d7b594392
MD5 hash:
4265979171ef5d57d593985e6a10b011
SHA1 hash:
61d08e9ee178aa914894c8a3d6a0e02310cff9be
Malware family:
AgentTesla.v4
Verdict:
Malicious
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

AgentTesla

Executable exe d81e8511ca6925abf689f2f0e7c7ec5b1f14338a66b3329fa38e5a6d7b594392

(this sample)

  
Delivery method
Distributed via e-mail attachment

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