MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b056411adcff1f851fbc546d40ccb20c45c5d4dc07ffde472514e10b2e632bad. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: b056411adcff1f851fbc546d40ccb20c45c5d4dc07ffde472514e10b2e632bad
SHA3-384 hash: 0cc4e56caea3605ac860fa98808145c62727a7f1030befef1c134ee6d9a787d2ecfaea47c0826bfd639f0ed478585d0d
SHA1 hash: 1e23ccb823da709e0c5d14d3d0c8bda3cd4c10f2
MD5 hash: 22d8f711d2bff0322c89cc06604e4f07
humanhash: alpha-oscar-utah-bacon
File name:PURCHASE ORDER (PO# 2611).DOC.exe
Download: download sample
Signature AgentTesla
File size:692'736 bytes
First seen:2023-04-22 02:20:47 UTC
Last seen:2023-05-13 22:55:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:uIxAcBO5ZZC/W2n9/Hi04wmmu+0QX3yCX/EIoILbBy7fRa0Bwh:OcqTC/fhHCf+/c0Nbew
Threatray 355 similar samples on MalwareBazaar
TLSH T12AE4F1ACABE5D6A7C5580FBD5016668A2F3041E33677C53CDF8B808DFE53B181E84686
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 2050707096cc4860 (6 x AgentTesla, 5 x SnakeKeylogger, 3 x Loki)
Reporter Anonymous
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
915
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PURCHASE ORDER (PO# 2611).DOC.exe
Verdict:
Malicious activity
Analysis date:
2023-04-22 02:21:47 UTC
Tags:
n/a

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

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
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, zgRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
Sample uses string decryption to hide its real strings
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 an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Telegram RAT
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 851936 Sample: PURCHASE_ORDER_(PO#_2611).DOC.exe Startdate: 22/04/2023 Architecture: WINDOWS Score: 100 63 Snort IDS alert for network traffic 2->63 65 Found malware configuration 2->65 67 Malicious sample detected (through community Yara rule) 2->67 69 11 other signatures 2->69 7 PURCHASE_ORDER_(PO#_2611).DOC.exe 7 2->7         started        11 QKKRDjv.exe 5 2->11         started        13 dRSoYp.exe 5 2->13         started        15 dRSoYp.exe 2->15         started        process3 file4 53 C:\Users\user\AppData\Roaming\QKKRDjv.exe, PE32 7->53 dropped 55 C:\Users\user\...\QKKRDjv.exe:Zone.Identifier, ASCII 7->55 dropped 57 C:\Users\user\AppData\Local\...\tmpDE23.tmp, XML 7->57 dropped 59 C:\...\PURCHASE_ORDER_(PO#_2611).DOC.exe.log, ASCII 7->59 dropped 81 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->81 83 Uses schtasks.exe or at.exe to add and modify task schedules 7->83 85 Adds a directory exclusion to Windows Defender 7->85 17 PURCHASE_ORDER_(PO#_2611).DOC.exe 17 5 7->17         started        22 powershell.exe 21 7->22         started        24 schtasks.exe 1 7->24         started        87 Multi AV Scanner detection for dropped file 11->87 89 Machine Learning detection for dropped file 11->89 91 Injects a PE file into a foreign processes 11->91 26 QKKRDjv.exe 11->26         started        28 schtasks.exe 11->28         started        30 dRSoYp.exe 13->30         started        32 schtasks.exe 13->32         started        34 dRSoYp.exe 15->34         started        36 schtasks.exe 15->36         started        signatures5 process6 dnsIp7 61 api.telegram.org 149.154.167.220, 443, 49703, 49704 TELEGRAMRU United Kingdom 17->61 49 C:\Users\user\AppData\Roaming\...\dRSoYp.exe, PE32 17->49 dropped 51 C:\Users\user\...\dRSoYp.exe:Zone.Identifier, ASCII 17->51 dropped 71 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->71 73 Tries to steal Mail credentials (via file / registry access) 17->73 75 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->75 38 conhost.exe 22->38         started        41 conhost.exe 24->41         started        43 conhost.exe 28->43         started        45 conhost.exe 32->45         started        77 Tries to harvest and steal browser information (history, passwords, etc) 34->77 47 conhost.exe 36->47         started        file8 signatures9 process10 signatures11 79 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 38->79
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5829039825:AAHUTzihFHkYnCe5S3O2k7aL4dVLIHvYzbo/
Unpacked files
SH256 hash:
20771fb69694c0c5562ff74b0f441ca07b434fad673e5cb9e2d620983748b1c9
MD5 hash:
89ef592c6883f612c301a4a995296edb
SHA1 hash:
b745ed5f6d0cd9414e0c3cd779ab7288f3dfed3b
Detections:
AgentTeslaXorStringsNet
SH256 hash:
7500748b80c4c4aebf70d1877e1d7d740c9a5e1bd39ab6609ecbe8b6e09de424
MD5 hash:
ec8d37858a51f6440b08648233a06dcd
SHA1 hash:
a78841acb0aa8209dff8c2c127dc20800a8595eb
SH256 hash:
859114f773b7bf3bc189474662fa1f3e2f87887d4e5db2701c837756f7f11605
MD5 hash:
fe7155fad2e7207b0579fae9b6d66c04
SHA1 hash:
5454d6cc546d659387803da099879a5656f09715
SH256 hash:
5e5c8fe4e53980a98b48fe6b19155edf0f0d285ed899c61dbf4f880583ddf1d2
MD5 hash:
b3bbc5461d12f07ea893bf415dfe7c89
SHA1 hash:
40c3156c471d2afe3fd88c7d20cf93e5782e1bd6
SH256 hash:
e5518e76f14e87bcc58a705c6f8f3a686cbffefc0e55985d17a067adfddf3688
MD5 hash:
920a2854e9c183ad2ef7d5543c296d38
SHA1 hash:
2c20da753bdf6f1a46261e2c132dd42f75c94229
SH256 hash:
b056411adcff1f851fbc546d40ccb20c45c5d4dc07ffde472514e10b2e632bad
MD5 hash:
22d8f711d2bff0322c89cc06604e4f07
SHA1 hash:
1e23ccb823da709e0c5d14d3d0c8bda3cd4c10f2
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 b056411adcff1f851fbc546d40ccb20c45c5d4dc07ffde472514e10b2e632bad

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

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