MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6f4954a23f51c48f450992f809848da3a8bb5c1d7c4bc262332fa2507f1a1cc9. 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 7 File information Comments

SHA256 hash: 6f4954a23f51c48f450992f809848da3a8bb5c1d7c4bc262332fa2507f1a1cc9
SHA3-384 hash: 95ad0049ed9bf8c791f1c5059cc7c56e645775170dfb68a19c01e061bfa0e2ce67507676c01b1bb77987e958f0bbb813
SHA1 hash: 51d443812ec2c0185fa7c9eb50643e95a2889f14
MD5 hash: ef9872c017473716478f16036dcc09a8
humanhash: william-maryland-sierra-hot
File name:PO--080523-FM 06.exe
Download: download sample
Signature AgentTesla
File size:799'232 bytes
First seen:2023-08-16 06:34:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:9XmYUJhz9u9GaG1/rVVPqUXvfrHMdQV4PKuyu+ZjF5oqt+yCXAV:IJu9tq/rbPpvjHM2MO9ZjF5oqotXAV
Threatray 759 similar samples on MalwareBazaar
TLSH T1C205DFB522F84E9FE21D88B941206102BF7192B74996E1C5FDCF42FD9F88F911613A87
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 006868cccc686800 (8 x AgentTesla, 4 x Formbook, 1 x DarkCloud)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
271
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
PO--080523-FM 06.exe
Verdict:
Malicious activity
Analysis date:
2023-08-16 06:37:55 UTC
Tags:
stealer agenttesla

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

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
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
Adds a directory exclusion to Windows Defender
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
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
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
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1291902 Sample: PO--080523-FM_06.exe Startdate: 16/08/2023 Architecture: WINDOWS Score: 100 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 Sigma detected: Scheduled temp file as task from temp location 2->62 64 6 other signatures 2->64 7 PO--080523-FM_06.exe 7 2->7         started        11 vxCkxWKvbwwokh.exe 5 2->11         started        13 wSStSI.exe 2->13         started        process3 file4 38 C:\Users\user\AppData\...\vxCkxWKvbwwokh.exe, PE32 7->38 dropped 40 C:\Users\user\AppData\Local\...\tmp7DF7.tmp, XML 7->40 dropped 66 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->66 68 May check the online IP address of the machine 7->68 70 Uses schtasks.exe or at.exe to add and modify task schedules 7->70 72 Adds a directory exclusion to Windows Defender 7->72 15 PO--080523-FM_06.exe 17 5 7->15         started        20 powershell.exe 17 7->20         started        22 schtasks.exe 1 7->22         started        74 Multi AV Scanner detection for dropped file 11->74 76 Machine Learning detection for dropped file 11->76 24 vxCkxWKvbwwokh.exe 14 4 11->24         started        26 schtasks.exe 1 11->26         started        signatures5 process6 dnsIp7 42 api4.ipify.org 64.185.227.156, 443, 49712, 49714 WEBNXUS United States 15->42 44 mail92100.maychuemail.com 112.213.92.100, 49713, 49719, 587 SUPERDATA-AS-VNSUPERDATA-VN Viet Nam 15->44 46 api.ipify.org 15->46 34 C:\Users\user\AppData\Roaming\...\wSStSI.exe, PE32 15->34 dropped 36 C:\Users\user\...\wSStSI.exe:Zone.Identifier, ASCII 15->36 dropped 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->50 52 Tries to steal Mail credentials (via file / registry access) 15->52 54 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->54 28 conhost.exe 20->28         started        30 conhost.exe 22->30         started        48 api.ipify.org 24->48 56 Tries to harvest and steal browser information (history, passwords, etc) 24->56 32 conhost.exe 26->32         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Spyware.Taskun
Status:
Malicious
First seen:
2023-08-16 06:35:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
19 of 24 (79.17%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence spyware stealer
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
2ac2f55e15fd8da559f99925ceee9166ca978e94cbc53a5cb29bf02d0a76ac7f
MD5 hash:
1081db0b25581c7958e6fbff4d9aa64a
SHA1 hash:
bcb0e0fe844884a5b0d05cd3b0cc5fd7a5ff53b9
SH256 hash:
d20cf2b2a599d022ec190423a8717c5d12aaf0fba5659f5c56c85a325aa6f68a
MD5 hash:
71ed72d7d1a7faceb85d8f3fd7066c0b
SHA1 hash:
77df9c7253bbbc8b3c44a80c01a7f3df58f57315
SH256 hash:
b26a7e88c2fc5a6dbf3e1f5d8ac59c4579b3b9047f462c5cb7ee79548fa18da9
MD5 hash:
06dc1333af7361fb9ebebe5c4dbe58e4
SHA1 hash:
1adadf881904c5370e96c0a566085cf3c83ca8d0
SH256 hash:
6f4954a23f51c48f450992f809848da3a8bb5c1d7c4bc262332fa2507f1a1cc9
MD5 hash:
ef9872c017473716478f16036dcc09a8
SHA1 hash:
51d443812ec2c0185fa7c9eb50643e95a2889f14
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: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 6f4954a23f51c48f450992f809848da3a8bb5c1d7c4bc262332fa2507f1a1cc9

(this sample)

  
Delivery method
Distributed via e-mail attachment

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