MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ab1144d8fcde912bc3e50f59f24eeb6fc6fb37cb5c20f194e41075e1baadb261. 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: ab1144d8fcde912bc3e50f59f24eeb6fc6fb37cb5c20f194e41075e1baadb261
SHA3-384 hash: d9e2d83984c0d160054fbcd984836153ca4afd69f59beb02bf23152116bb268c558a43f55d22563945e52f1c409b983e
SHA1 hash: d01b01bfdfd84ecc565e20a4d011f42cf95dd7ad
MD5 hash: 3f939f0815bd9191fec619eac27c9db7
humanhash: sad-fix-table-one
File name:MT103.exe
Download: download sample
Signature AgentTesla
File size:820'736 bytes
First seen:2023-07-25 12:36:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:XCbniNS+bM5s388VyfzBJZvgP/kfLihQ3h0HsiRJhCd2nk5EL:Eik+bWssD7QmOIhGsoCd2
Threatray 5'224 similar samples on MalwareBazaar
TLSH T19505F721DE6B6646D0DB523392B36D0F42F1BD193664E9D93F89308836B5A0CFA53E31
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon acac0001000001a2 (15 x AgentTesla, 4 x SnakeKeylogger, 1 x Formbook)
Reporter TeamDreier
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
283
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
MT103.exe
Verdict:
Malicious activity
Analysis date:
2023-07-25 12:39:26 UTC
Tags:
agenttesla stealer

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
Launching a process
Creating a process with a hidden window
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 method to dynamically call methods (often used by packers)
.NET source code contains very large array initializations
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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
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
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1279135 Sample: MT103.exe Startdate: 25/07/2023 Architecture: WINDOWS Score: 100 33 Snort IDS alert for network traffic 2->33 35 Found malware configuration 2->35 37 Sigma detected: Scheduled temp file as task from temp location 2->37 39 6 other signatures 2->39 7 MT103.exe 6 2->7         started        11 ssYxCUZAfpzLs.exe 2 2->11         started        process3 file4 21 C:\Users\user\AppData\...\ssYxCUZAfpzLs.exe, PE32 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmpE533.tmp, XML 7->23 dropped 25 C:\Users\user\AppData\Local\...\MT103.exe.log, ASCII 7->25 dropped 41 Uses schtasks.exe or at.exe to add and modify task schedules 7->41 43 Writes to foreign memory regions 7->43 45 Injects a PE file into a foreign processes 7->45 13 RegSvcs.exe 15 2 7->13         started        17 schtasks.exe 1 7->17         started        47 Multi AV Scanner detection for dropped file 11->47 49 Machine Learning detection for dropped file 11->49 signatures5 process6 dnsIp7 27 webmail.ultra.aqfoam.com 103.6.198.192, 49684, 587 EXABYTES-AS-APExaBytesNetworkSdnBhdMY Malaysia 13->27 29 api4.ipify.org 104.237.62.211, 443, 49683 WEBNXUS United States 13->29 31 api.ipify.org 13->31 51 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->51 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 13->53 55 May check the online IP address of the machine 13->55 57 2 other signatures 13->57 19 conhost.exe 17->19         started        signatures8 process9
Threat name:
ByteCode-MSIL.Spyware.Kryptikagen
Status:
Malicious
First seen:
2023-07-25 05:51:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
21 of 23 (91.30%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
collection
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
Looks up external IP address via web service
Checks computer location settings
Unpacked files
SH256 hash:
705dfca3891284a8b0a7299eb5495a9a60388ea51946552a973643b3bedb9037
MD5 hash:
0b19b2a2fba6b8e6268a8ae1b6dc58be
SHA1 hash:
f5db50d41333642d40adddf36b468abcfaec0ea0
SH256 hash:
ea1618640feac639cbf8f6ee060cdd7dffeecdb11352e33c50a066dbf80fa650
MD5 hash:
223c52f75cccd4986bd4fa963a2e3ce2
SHA1 hash:
f134bcd3daf93c06ab205fe5df891ec1e52baa86
SH256 hash:
a7e471f7bc560488312d57e885bb4cfc423587a0d84abbb3073a820f7cd0e209
MD5 hash:
e7709a907be0cdb6ff7eb99daee97c6c
SHA1 hash:
bb3f6871c40f54070b53947bf6958d410ea8bac1
SH256 hash:
ab1144d8fcde912bc3e50f59f24eeb6fc6fb37cb5c20f194e41075e1baadb261
MD5 hash:
3f939f0815bd9191fec619eac27c9db7
SHA1 hash:
d01b01bfdfd84ecc565e20a4d011f42cf95dd7ad
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 ab1144d8fcde912bc3e50f59f24eeb6fc6fb37cb5c20f194e41075e1baadb261

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments