MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1bfb950deb3e17f180908c445173783b996cd3ef9c3b61b59b8ac67d96bde30d. 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 3 File information Comments

SHA256 hash: 1bfb950deb3e17f180908c445173783b996cd3ef9c3b61b59b8ac67d96bde30d
SHA3-384 hash: 1ef487cb813388e971eb945fbe402055da9d8b1981e741aad4cf59761c06d49d756d09a3c8b377c747c0e81b4ad4db52
SHA1 hash: d4f221ac9016a7c693e5e75a2bb24d8826b81b09
MD5 hash: 3d7a0dc96d4716930dc98cd805594bb5
humanhash: football-river-robert-kansas
File name:PURCHASE ORDER (PO# 2611).DOC.exe
Download: download sample
Signature AgentTesla
File size:635'392 bytes
First seen:2023-04-24 09:17:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:YbdIIfTDe+tgGj3B6inGA05927ywUNkvi4FVzOwdXNI:wmIm+tqinFC2uwMBYzOwf
Threatray 2'497 similar samples on MalwareBazaar
TLSH T106D4D0D46765EBA2C2653FBD126A31283FB014DBE519D939FD8850D93E32FC81A4039B
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter Anonymous
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
244
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:
2023-04-24 09:20:24 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: 852785 Sample: PURCHASE_ORDER_(PO#_2611).DOC.exe Startdate: 24/04/2023 Architecture: WINDOWS Score: 100 62 Snort IDS alert for network traffic 2->62 64 Found malware configuration 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 11 other signatures 2->68 7 PURCHASE_ORDER_(PO#_2611).DOC.exe 7 2->7         started        11 ihKKiXn.exe 5 2->11         started        13 dRSoYp.exe 5 2->13         started        15 dRSoYp.exe 2->15         started        process3 file4 52 C:\Users\user\AppData\Roaming\ihKKiXn.exe, PE32 7->52 dropped 54 C:\Users\user\...\ihKKiXn.exe:Zone.Identifier, ASCII 7->54 dropped 56 C:\Users\user\AppData\Local\...\tmpD7C0.tmp, XML 7->56 dropped 58 C:\...\PURCHASE_ORDER_(PO#_2611).DOC.exe.log, ASCII 7->58 dropped 78 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->78 80 Uses schtasks.exe or at.exe to add and modify task schedules 7->80 82 Adds a directory exclusion to Windows Defender 7->82 17 PURCHASE_ORDER_(PO#_2611).DOC.exe 17 5 7->17         started        22 powershell.exe 19 7->22         started        24 schtasks.exe 1 7->24         started        84 Multi AV Scanner detection for dropped file 11->84 86 Machine Learning detection for dropped file 11->86 88 Injects a PE file into a foreign processes 11->88 26 ihKKiXn.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 60 api.telegram.org 149.154.167.220, 443, 49701, 49702 TELEGRAMRU United Kingdom 17->60 48 C:\Users\user\AppData\Roaming\...\dRSoYp.exe, PE32 17->48 dropped 50 C:\Users\user\...\dRSoYp.exe:Zone.Identifier, ASCII 17->50 dropped 70 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->70 72 Tries to steal Mail credentials (via file / registry access) 17->72 74 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->74 38 conhost.exe 22->38         started        40 conhost.exe 24->40         started        42 conhost.exe 28->42         started        44 conhost.exe 32->44         started        76 Tries to harvest and steal browser information (history, passwords, etc) 34->76 46 conhost.exe 36->46         started        file8 signatures9 process10
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:
c23abd0d9d374b9fa54456bb67440718c8905fa7759e81dcabe5f83a63bc18bb
MD5 hash:
2d5392d38cf3e1c140adf2e48cb2b84f
SHA1 hash:
ca5406a28acb042c112e6fe24653998de43d936e
SH256 hash:
20771fb69694c0c5562ff74b0f441ca07b434fad673e5cb9e2d620983748b1c9
MD5 hash:
89ef592c6883f612c301a4a995296edb
SHA1 hash:
b745ed5f6d0cd9414e0c3cd779ab7288f3dfed3b
Detections:
AgentTeslaXorStringsNet
SH256 hash:
c8808b69b0f4d52c253e35b001da94086786b34162fd51daa3f17eda94bac7f0
MD5 hash:
da56041df789c24cb2a36a364431f766
SHA1 hash:
876e6c579d1092a76ce90c500c43af0cf11724a4
SH256 hash:
5e5c8fe4e53980a98b48fe6b19155edf0f0d285ed899c61dbf4f880583ddf1d2
MD5 hash:
b3bbc5461d12f07ea893bf415dfe7c89
SHA1 hash:
40c3156c471d2afe3fd88c7d20cf93e5782e1bd6
SH256 hash:
141ed0c9d04a10e473c5884100d37f9a04f505eb362b26c19559c33d88f59f34
MD5 hash:
3033751224ad6c6de42d48233f30f780
SHA1 hash:
267b1b45d28c86ba4ff228feda8f524a749dac76
SH256 hash:
1bfb950deb3e17f180908c445173783b996cd3ef9c3b61b59b8ac67d96bde30d
MD5 hash:
3d7a0dc96d4716930dc98cd805594bb5
SHA1 hash:
d4f221ac9016a7c693e5e75a2bb24d8826b81b09
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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 1bfb950deb3e17f180908c445173783b996cd3ef9c3b61b59b8ac67d96bde30d

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

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