MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 900cd853c5bc0e4168710de3fbc9f75b47cf44c6e49109d0eeec19e0ad1dfe29. 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 2 File information Comments

SHA256 hash: 900cd853c5bc0e4168710de3fbc9f75b47cf44c6e49109d0eeec19e0ad1dfe29
SHA3-384 hash: 9be2799328601ddfdad384b2fd9841031fd0fe20114790538aa561a7a6945a963b82c99b89cd70be7be44252cc85861e
SHA1 hash: 2d4ac7562bccd5b7be932e4262b7a82e204da6d6
MD5 hash: 79641cc5669e50525d30fe4d713c65c1
humanhash: carolina-jersey-oranges-nineteen
File name:900cd853c5bc0e4168710de3fbc9f75b47cf44c6e49109d0eeec19e0ad1dfe29
Download: download sample
Signature AgentTesla
File size:967'168 bytes
First seen:2023-01-06 10:36:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'750 x AgentTesla, 19'656 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 12288:dSQ2SHlQhHd2iNUCkuV4fvc7YEDczhkYQ/XfaqTwlWLKSw+q:f2SHlQhHd1GrckEDctQvCqT7mSw+
Threatray 20'360 similar samples on MalwareBazaar
TLSH T14825A6BF8BFE5433E675D2B58FF1C4A3B75694123141BD2A42D91708421AE2BF9C242E
TrID 59.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.6% (.SCR) Windows screen saver (13097/50/3)
8.5% (.EXE) Win64 Executable (generic) (10523/12/4)
5.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
167
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
900cd853c5bc0e4168710de3fbc9f75b47cf44c6e49109d0eeec19e0ad1dfe29
Verdict:
Malicious activity
Analysis date:
2023-01-06 10:35:56 UTC
Tags:
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
Sending a custom TCP request
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
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
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
.NET source code contains very large strings
.NET source code references suspicious native API functions
Hides that the sample has been downloaded from the Internet (zone.identifier)
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 BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
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
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 778924 Sample: UzSqpKQXpz.exe Startdate: 06/01/2023 Architecture: WINDOWS Score: 100 58 Malicious sample detected (through community Yara rule) 2->58 60 Sigma detected: Scheduled temp file as task from temp location 2->60 62 Multi AV Scanner detection for submitted file 2->62 64 8 other signatures 2->64 7 UzSqpKQXpz.exe 5 2->7         started        11 WVKToUceTRNv.exe 4 2->11         started        13 yGbzOMp.exe 2 2->13         started        process3 file4 34 C:\Users\user\AppData\...\WVKToUceTRNv.exe, PE32 7->34 dropped 36 C:\Users\user\AppData\Local\...\tmp46DF.tmp, XML 7->36 dropped 66 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->66 68 Uses schtasks.exe or at.exe to add and modify task schedules 7->68 70 Writes to foreign memory regions 7->70 15 RegSvcs.exe 2 5 7->15         started        20 schtasks.exe 1 7->20         started        72 Multi AV Scanner detection for dropped file 11->72 74 Machine Learning detection for dropped file 11->74 76 Injects a PE file into a foreign processes 11->76 22 RegSvcs.exe 4 11->22         started        24 schtasks.exe 1 11->24         started        26 conhost.exe 13->26         started        signatures5 process6 dnsIp7 38 mail.mktron.in 15->38 40 mktron.in 104.156.54.11, 49702, 49708, 587 HVC-ASUS United States 15->40 32 C:\Users\user\AppData\Roaming\...\yGbzOMp.exe, PE32 15->32 dropped 44 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->44 46 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->46 48 Tries to steal Mail credentials (via file / registry access) 15->48 50 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 15->50 28 conhost.exe 20->28         started        42 mail.mktron.in 22->42 52 Tries to harvest and steal ftp login credentials 22->52 54 Tries to harvest and steal browser information (history, passwords, etc) 22->54 56 Hides that the sample has been downloaded from the Internet (zone.identifier) 22->56 30 conhost.exe 24->30         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Status:
Malicious
First seen:
2022-12-13 06:34:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
29 of 41 (70.73%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection evasion 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
Maps connected drives based on registry
Checks BIOS information in registry
Checks computer location settings
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
AgentTesla
Unpacked files
SH256 hash:
a327516357b9fa1a75753b3fbd0030e13f374be7cefcdf983d0b731f278b0c59
MD5 hash:
404efdeb9931733904da07f96fabeb72
SHA1 hash:
7ce363cd612f1d9a90b33ec196c4d0a49cdaee02
SH256 hash:
736675e165b99ef972c3f91f3b3a3abbde1f6b017ee6d513b30e44a5ec051aac
MD5 hash:
b305147709ddad70692d3048f0c5cf53
SHA1 hash:
5fdc097f46959932db292e5507246e1ca619d930
SH256 hash:
900cd853c5bc0e4168710de3fbc9f75b47cf44c6e49109d0eeec19e0ad1dfe29
MD5 hash:
79641cc5669e50525d30fe4d713c65c1
SHA1 hash:
2d4ac7562bccd5b7be932e4262b7a82e204da6d6
Malware family:
AgentTesla.v3
Verdict:
Malicious
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.

Comments