MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f35c56911d58753abb244cf6c07e780fdb30de306e454fedc8e20dd230b71ffa. 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 13 File information Comments

SHA256 hash: f35c56911d58753abb244cf6c07e780fdb30de306e454fedc8e20dd230b71ffa
SHA3-384 hash: 453b03ecab066e43770009d93b1cf0dc6d4cf8754c79121b9a6654d99d246b1ab4bbfd73176a6c720f358332fcbf2176
SHA1 hash: 8f8dc0f26de579420e23aab92a3adf36fbc9aec1
MD5 hash: f018fc17541405657d164bc4d1e46c5b
humanhash: illinois-vermont-mirror-nebraska
File name:purchase order #43423.exe
Download: download sample
Signature AgentTesla
File size:939'520 bytes
First seen:2023-11-13 12:29:20 UTC
Last seen:2023-11-13 14:18:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'652 x Formbook, 12'246 x SnakeKeylogger)
ssdeep 12288:SWATNX43b6b0AFnSCORaE7ufuh3IGaqo4Yp1m0cyM/i5AnSdIA9ayZAYPYkZK:f3b64qSGHnZaYjhxASdIA9aLT
Threatray 1'712 similar samples on MalwareBazaar
TLSH T10715F1686AC4AA46D9774EF9E5B020204336FD23798BE31A47D175A90E33753D836B33
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 8296e8b296aab280 (1 x AgentTesla)
Reporter cocaman
Tags:AgentTesla exe


Avatar
cocaman
Malicious email (T1566.001)
From: "info@walkerglass.com" (likely spoofed)
Received: "from walkerglass.com (unknown [185.222.57.136]) "
Date: "13 Nov 2023 13:28:20 +0100"
Subject: "grill machine ( model #43423)"
Attachment: "purchase order #43423.exe"

Intelligence


File Origin
# of uploads :
2
# of downloads :
320
Origin country :
CH CH
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Sending a custom TCP request
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware lolbin masquerade packed remote
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
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
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
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1341685 Sample: purchase_order_#43423.exe Startdate: 13/11/2023 Architecture: WINDOWS Score: 100 40 mail.bezzleauto.com 2->40 44 Snort IDS alert for network traffic 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 10 other signatures 2->50 8 purchase_order_#43423.exe 7 2->8         started        12 LwnmDS.exe 5 2->12         started        signatures3 process4 file5 36 C:\Users\user\AppData\Roaming\LwnmDS.exe, PE32 8->36 dropped 38 C:\Users\user\AppData\Local\Temp\tmpCD.tmp, XML 8->38 dropped 52 Uses schtasks.exe or at.exe to add and modify task schedules 8->52 54 Adds a directory exclusion to Windows Defender 8->54 14 RegSvcs.exe 2 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 23 8->20         started        22 schtasks.exe 1 8->22         started        56 Antivirus detection for dropped file 12->56 58 Multi AV Scanner detection for dropped file 12->58 60 Machine Learning detection for dropped file 12->60 24 RegSvcs.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 42 mail.bezzleauto.com 45.151.123.240, 25, 49729, 49730 STUMPNERNETDE Germany 14->42 62 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->62 64 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->64 66 Tries to steal Mail credentials (via file / registry access) 14->66 28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        32 conhost.exe 22->32         started        68 Tries to harvest and steal browser information (history, passwords, etc) 24->68 34 conhost.exe 26->34         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2023-11-13 10:35:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
24
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
76482f1dc9b0639dd6b2d762e09101875e207e8c60e146a43ca182a4c13d6afa
MD5 hash:
9561bc00330bfa400784c1b3b2075d0b
SHA1 hash:
b98f0014f428085dea5ea44108d64d9119e3d698
SH256 hash:
0003005632f5b596b88e4eb22373d38b242fb2fe8102bc5587199cf3a32eba9f
MD5 hash:
2d1f26354dab037e0681d0a7277487fd
SHA1 hash:
4a20a114b20c5fb58612e4229e7ee4390bfab3ff
SH256 hash:
f35c56911d58753abb244cf6c07e780fdb30de306e454fedc8e20dd230b71ffa
MD5 hash:
f018fc17541405657d164bc4d1e46c5b
SHA1 hash:
8f8dc0f26de579420e23aab92a3adf36fbc9aec1
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
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

File information


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

Malspam

AgentTesla

Executable exe f35c56911d58753abb244cf6c07e780fdb30de306e454fedc8e20dd230b71ffa

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Dropping
AgentTesla

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