MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4aa299b1b706416d966cec8f9207e9c0af6e2fa040ade447d74091aa6a814304. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: 4aa299b1b706416d966cec8f9207e9c0af6e2fa040ade447d74091aa6a814304
SHA3-384 hash: 3772625a191e09a4a60ac03e8a5e209e253de8c422f0c3becc281b8e155d0ffdebe1e4b7eca1d7dca6c70c8ab5018962
SHA1 hash: a58b40a1273fd3fb5d2f1cc6e634a4ec4ec022c6
MD5 hash: 4e3d15db64143fe6eba7e50fa79fdd18
humanhash: high-charlie-ack-ack
File name:QUOTATION_AUG7FIBA00541·PDF.scr
Download: download sample
Signature AgentTesla
File size:1'433'088 bytes
First seen:2023-08-25 07:58:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:a34TManOtjYviO3aLTCElnZciJ5PPLz4iQiTFAg2Gcr0V07aa44v:OTXzPPv8iTN29zaPS
Threatray 5'588 similar samples on MalwareBazaar
TLSH T181658C26B63556A1C690DB32C5C6840283538EF46BE3C55B298D33C91A3B7BE6F0764F
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 7068ccb0b2b2b2f8 (129 x AgentTesla, 54 x SnakeKeylogger, 28 x AveMariaRAT)
Reporter abuse_ch
Tags:AgentTesla exe scr

Intelligence


File Origin
# of uploads :
1
# of downloads :
282
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
QUOTATION_AUG7FIBA00541·PDF.scr
Verdict:
Malicious activity
Analysis date:
2023-08-25 08:09:09 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
Launching a process
Sending a UDP request
Creating a window
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
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
Antivirus / Scanner detection for submitted sample
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 sample
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.CrypterX
Status:
Malicious
First seen:
2023-08-24 09:45:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
31
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
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
AgentTesla
Unpacked files
SH256 hash:
4aa299b1b706416d966cec8f9207e9c0af6e2fa040ade447d74091aa6a814304
MD5 hash:
4e3d15db64143fe6eba7e50fa79fdd18
SHA1 hash:
a58b40a1273fd3fb5d2f1cc6e634a4ec4ec022c6
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:NET
Author:malware-lu
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 4aa299b1b706416d966cec8f9207e9c0af6e2fa040ade447d74091aa6a814304

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments