MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b536513867d9991572cef648d74c9a141a113f25b429f62ac11b2994c89fb832. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: b536513867d9991572cef648d74c9a141a113f25b429f62ac11b2994c89fb832
SHA3-384 hash: ef12aee805e3a03d489191e0babbf1f0d989b4a5d8c7bc5965f0c4ba326a39f40de85e9a332f0d38579334a460b82674
SHA1 hash: 4b0ffb47610c82e4b0cafb024d242406ad10d9e4
MD5 hash: 07e589bde9e13b8736c14c2dabcdf8bc
humanhash: table-blossom-friend-robert
File name:gibson.exe
Download: download sample
Signature AgentTesla
File size:39'936 bytes
First seen:2022-08-18 19:36:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 192:vTN3z4iEqHt8rHa+n7DMfN4vAiuCxlnWy0blrrY98uwnSfn8AQ/+G0:vJt8jpn7wfN4ILGlWX5rru8uj0j/+G
Threatray 54 similar samples on MalwareBazaar
TLSH T1C503E68462B50E22CDA7023658E6EEF3562C4EC1594ECF6ED4C4FF0B39726B5C81B524
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon ee5636aeea35a5e9 (11 x Formbook, 7 x AgentTesla, 3 x AsyncRAT)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
363
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SOA.xlsx
Verdict:
Malicious activity
Analysis date:
2022-08-18 19:16:56 UTC
Tags:
encrypted exploit CVE-2017-11882 loader

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

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Creating a file
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending an HTTP GET request to an infection source
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Verdict:
UNKNOWN
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, AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for URL or domain
Encrypted powershell cmdline option found
Injects files into Windows application
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
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)
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AgentTesla
Yara detected AsyncRAT
Yara detected Generic Downloader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 686522 Sample: gibson.exe Startdate: 18/08/2022 Architecture: WINDOWS Score: 100 51 Snort IDS alert for network traffic 2->51 53 Multi AV Scanner detection for domain / URL 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 10 other signatures 2->57 7 gibson.exe 16 7 2->7         started        12 Qxwhwp.exe 14 4 2->12         started        14 Qxwhwp.exe 2->14         started        process3 dnsIp4 45 192.227.173.33, 49706, 49711, 49712 AS-COLOCROSSINGUS United States 7->45 39 C:\Users\user\AppData\Roaming\...\Qxwhwp.exe, PE32 7->39 dropped 41 C:\Users\user\...\Qxwhwp.exe:Zone.Identifier, ASCII 7->41 dropped 43 C:\Users\user\AppData\...\gibson.exe.log, ASCII 7->43 dropped 59 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->59 61 Encrypted powershell cmdline option found 7->61 16 InstallUtil.exe 7->16         started        19 powershell.exe 17 7->19         started        21 InstallUtil.exe 2 7->21         started        63 Multi AV Scanner detection for dropped file 12->63 65 Machine Learning detection for dropped file 12->65 67 Injects files into Windows application 12->67 23 powershell.exe 17 12->23         started        25 InstallUtil.exe 12->25         started        27 powershell.exe 14->27         started        29 InstallUtil.exe 14->29         started        31 InstallUtil.exe 14->31         started        file5 signatures6 process7 signatures8 47 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->47 49 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 16->49 33 conhost.exe 19->33         started        35 conhost.exe 23->35         started        37 conhost.exe 27->37         started        process9
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2022-08-18 19:36:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
20 of 26 (76.92%)
Threat level:
  2/5
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 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
Drops file in Drivers directory
AgentTesla payload
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot2134979594:AAFk4QkrlHlt2a-q-EhIoHZBbzxSH0QxiBI/sendDocument
Unpacked files
SH256 hash:
b536513867d9991572cef648d74c9a141a113f25b429f62ac11b2994c89fb832
MD5 hash:
07e589bde9e13b8736c14c2dabcdf8bc
SHA1 hash:
4b0ffb47610c82e4b0cafb024d242406ad10d9e4
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:INDICATOR_EXE_Packed_SmartAssembly
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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