MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f71f5d2a525e1b368005021619851713c5318241e5020c8c5bdb1d677e160b0a. 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 11 File information Comments

SHA256 hash: f71f5d2a525e1b368005021619851713c5318241e5020c8c5bdb1d677e160b0a
SHA3-384 hash: 6dc1f5ce49424658ddfb5e219fde380baae95845dae77ba170e77bc09a53b9f9c64a83232a6446060a71fddb4235b53e
SHA1 hash: 456edeff296855455db6391d3365fc124d1a07bf
MD5 hash: 96776d8c8ed1a8c0d649f0bbdc36d0b1
humanhash: sad-arkansas-friend-moon
File name:file
Download: download sample
Signature AgentTesla
File size:101'888 bytes
First seen:2023-09-15 16:05:50 UTC
Last seen:2023-09-29 18:19:46 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 1536:MYV4/XUVPQZ+IL0Im7AnNzDIv3vRHEaTEUkfUx1M3CEF/7GmqbMY7usiY9hkw:M2QZ+IQgSPvRH/T1kfUA7GmCMY7pdkw
Threatray 5'479 similar samples on MalwareBazaar
TLSH T1C4A31907BA858781C84459B4D4E35A351BF3EC8B3773D6853B8462960E233D6DC6AF8E
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 00be8323b233bac0 (79 x AgentTesla, 11 x Loki, 9 x DarkCloud)
Reporter jstrosch
Tags:.NET AgentTesla exe MSIL

Intelligence


File Origin
# of uploads :
3
# of downloads :
281
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Update Request-09-2023.exe
Verdict:
Malicious activity
Analysis date:
2023-09-15 06:53:24 UTC
Tags:
opendir loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin packed replace
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 method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Found malware configuration
Injects a PE file into a foreign processes
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
Snort IDS alert for network traffic
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:
Win32.Trojan.Znyonm
Status:
Malicious
First seen:
2023-09-15 00:28:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
19 of 22 (86.36%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
AgentTesla
Unpacked files
SH256 hash:
f71f5d2a525e1b368005021619851713c5318241e5020c8c5bdb1d677e160b0a
MD5 hash:
96776d8c8ed1a8c0d649f0bbdc36d0b1
SHA1 hash:
456edeff296855455db6391d3365fc124d1a07bf
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:AgentTesla
Author:Harish Kumar P
Description:Yara Rule to Detect AgentTesla
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:MSIL_SUSP_OBFUSC_XorStringsNet
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_delivery_check_g0

File information


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

Web download

AgentTesla

Executable exe f71f5d2a525e1b368005021619851713c5318241e5020c8c5bdb1d677e160b0a

(this sample)

  
Delivery method
Distributed via web download
  
Delivery method
Distributed via web download

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