MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f06390d772932400286cb5c5ed7c35db3178f2a56b824edbff4ee9e1badc47d6. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: f06390d772932400286cb5c5ed7c35db3178f2a56b824edbff4ee9e1badc47d6
SHA3-384 hash: 785d0b36ffcbc38ab54b9d3024393830b574ba43d3ad25654dbc11b7c910b48e9ff2a9cdf83cdfde3306eb23ad016fc3
SHA1 hash: 98cb81cc8ac935cf9560a2691ab8e584f2655270
MD5 hash: 721895f6ecf9c54778e9860a59355faa
humanhash: bakerloo-football-illinois-foxtrot
File name:Wjjfcrewq.exe
Download: download sample
Signature AgentTesla
File size:6'747'648 bytes
First seen:2023-04-05 18:38:41 UTC
Last seen:2023-04-05 20:31:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'753 x AgentTesla, 19'660 x Formbook, 12'250 x SnakeKeylogger)
ssdeep 49152:pKmGcI93jiRPVMVieniwaz+1hpnwbne2YfmtfevJ5jbydd0sGBUG0GwCP4uW:YaI9Wmibxi4v
Threatray 1'849 similar samples on MalwareBazaar
TLSH T105662A13AFDC4D97FEE623B7646552C8DEB8E867C7D2A306300DA0A90B2D7444E53663
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 abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
306
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Wjjfcrewq.exe
Verdict:
Malicious activity
Analysis date:
2023-04-05 18:42:44 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
Searching for the window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
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)
Yara detected AgentTesla
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 842094 Sample: Wjjfcrewq.exe Startdate: 05/04/2023 Architecture: WINDOWS Score: 100 51 Multi AV Scanner detection for submitted file 2->51 53 Yara detected AgentTesla 2->53 55 Machine Learning detection for sample 2->55 57 Yara detected Generic Downloader 2->57 7 Wjjfcrewq.exe 1 5 2->7         started        11 Btrxusly.exe 2 2->11         started        13 Btrxusly.exe 1 2->13         started        process3 file4 35 C:\Users\user\AppData\...\Btrxusly.exe, PE32 7->35 dropped 37 C:\Users\...\Btrxusly.exe:Zone.Identifier, ASCII 7->37 dropped 39 C:\Users\user\AppData\...\Wjjfcrewq.exe.log, ASCII 7->39 dropped 59 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->59 61 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->61 63 Encrypted powershell cmdline option found 7->63 15 Wjjfcrewq.exe 7 7->15         started        19 powershell.exe 16 7->19         started        65 Multi AV Scanner detection for dropped file 11->65 67 Machine Learning detection for dropped file 11->67 69 Injects a PE file into a foreign processes 11->69 21 Btrxusly.exe 11->21         started        23 powershell.exe 13 11->23         started        25 Btrxusly.exe 13->25         started        27 powershell.exe 13->27         started        signatures5 process6 dnsIp7 41 cp5ua.hyperhost.ua 91.235.128.141, 49708, 49709, 49710 ITLASUA Ukraine 15->41 43 Installs a global keyboard hook 15->43 29 conhost.exe 19->29         started        31 conhost.exe 23->31         started        45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 25->45 47 Tries to steal Mail credentials (via file / registry access) 25->47 49 Tries to harvest and steal browser information (history, passwords, etc) 25->49 33 conhost.exe 27->33         started        signatures8 process9
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-04-05 16:54:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
28
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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
Unpacked files
SH256 hash:
ff8c24bce1eb009f0d5c47a09b96caf02726c285cea0d635082ad4da27e63d1b
MD5 hash:
9d6ec6072ee1814a4a01d1eb3fb67ba1
SHA1 hash:
d0b416de1c900b6bcb35dc182b2e8744f16c3289
SH256 hash:
f59ff98ea2749e7948a5650f0830c90f42e581dd3b7f6ee6f88ba19a4c24a51c
MD5 hash:
f41b241136c262a4deeb84569cd7acb9
SHA1 hash:
d0a98f8b18d0580ef9a68f59b8ad06655c168034
SH256 hash:
e55ae01dcc4765511247d5d4fdbbee21c36634ea1c6f6f9ec7b43bf09ffd99ee
MD5 hash:
062fe535929ad0e82064643895bd7006
SHA1 hash:
a9d7a36b3e1b31d98bbe63ebaae484031e72b5ec
SH256 hash:
f06390d772932400286cb5c5ed7c35db3178f2a56b824edbff4ee9e1badc47d6
MD5 hash:
721895f6ecf9c54778e9860a59355faa
SHA1 hash:
98cb81cc8ac935cf9560a2691ab8e584f2655270
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.

Comments