MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6544731644361dc0564b8286eafbfcc5e57c1a1fd5fbbbcb3f8316f81c6b3723. 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: 11


Intelligence 11 IOCs YARA 6 File information Comments

SHA256 hash: 6544731644361dc0564b8286eafbfcc5e57c1a1fd5fbbbcb3f8316f81c6b3723
SHA3-384 hash: 3eafc497d012772ab969119d09612473ce8b4d49ceefdc92e288bf444e11ec4ea4c3d8ab82d21837aea91ccba2325351
SHA1 hash: f138441d6987c1f57d448965bc64f9bc417d3844
MD5 hash: 35b611cdea14a62de14b1f8471162853
humanhash: venus-delaware-seven-delaware
File name:QUOTATION_AUG7FIBA00541·PDF.scr
Download: download sample
Signature AgentTesla
File size:1'339'664 bytes
First seen:2023-08-15 06:03:15 UTC
Last seen:2023-08-15 06:33:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:hGtcJ+P7/Nx4aZcoootnwKDJiBPrMpG0mFmcyNCFZnI9QU3:6D1qaZcH6wGiBPD02mLYbc
Threatray 6'135 similar samples on MalwareBazaar
TLSH T1C355CF067694CF61E11F1676E4A682F40323AE41EE12E3CB71CDBF193AB33E96951247
TrID 58.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
13.2% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
8.4% (.EXE) Win64 Executable (generic) (10523/12/4)
5.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 0f519373d9cc750b (107 x AgentTesla, 20 x AveMariaRAT, 5 x Formbook)
Reporter threatcat_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
312
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
QUOTATION_AUG7FIBA00541·PDF.scr
Verdict:
Malicious activity
Analysis date:
2023-08-15 06:06:10 UTC
Tags:
stealer agenttesla

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

Behaviour
Creating a window
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a UDP request
Gathering data
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
Found malware configuration
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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 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 steal Mail credentials (via file / registry access)
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Mardom
Status:
Malicious
First seen:
2023-08-15 06:04:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
6544731644361dc0564b8286eafbfcc5e57c1a1fd5fbbbcb3f8316f81c6b3723
MD5 hash:
35b611cdea14a62de14b1f8471162853
SHA1 hash:
f138441d6987c1f57d448965bc64f9bc417d3844
Malware family:
AgentTesla
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:NET
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


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

Malspam

AgentTesla

Executable exe 6544731644361dc0564b8286eafbfcc5e57c1a1fd5fbbbcb3f8316f81c6b3723

(this sample)

  
Delivery method
Distributed via e-mail attachment

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