MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 86b4bb9ea11ac97ecf7390c0e4e2979b69c294c22c65931ff734926c9540a0fd. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments

SHA256 hash: 86b4bb9ea11ac97ecf7390c0e4e2979b69c294c22c65931ff734926c9540a0fd
SHA3-384 hash: 85f267be0b87b2dba2185045812171806fd4d15edcf39cb7627950d481bfecc5ca241b6c5f981308a4cf0ad7f804c405
SHA1 hash: 294b44bd36def4972debf2df395369209a9b72af
MD5 hash: fe240d3d66e6220cf0bc1b517f95c420
humanhash: bulldog-undress-east-quebec
File name:Purchase Order.exe
Download: download sample
Signature AgentTesla
File size:1'007'616 bytes
First seen:2020-11-09 14:52:59 UTC
Last seen:2020-11-15 23:18:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'643 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:KXIBvQ9lTv6ajBp6byajebSaqf1Do6GJhMH6FpfMHV:SH9llw1oHy4faV
Threatray 1'146 similar samples on MalwareBazaar
TLSH 9A25124854AA238AD47333AD5B743981C3B4DA5772F8C9E3029CBBB1EE8DC355B71A05
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
4
# of downloads :
83
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Using the Windows Management Instrumentation requests
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Moving of the original file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Signature
.NET source code contains very large array initializations
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Moves itself to temp directory
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 detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 312340 Sample: Purchase Order.exe Startdate: 09/11/2020 Architecture: WINDOWS Score: 88 19 Multi AV Scanner detection for submitted file 2->19 21 Yara detected AgentTesla 2->21 23 .NET source code contains very large array initializations 2->23 25 5 other signatures 2->25 6 Purchase Order.exe 15 3 2->6         started        process3 file4 17 C:\Users\user\...\Purchase Order.exe.log, ASCII 6->17 dropped 27 Injects a PE file into a foreign processes 6->27 10 Purchase Order.exe 2 6->10         started        13 Purchase Order.exe 6->13         started        15 Purchase Order.exe 6->15         started        signatures5 process6 signatures7 29 Moves itself to temp directory 10->29
Threat name:
ByteCode-MSIL.Ransomware.TeslaCrypt
Status:
Malicious
First seen:
2020-11-09 14:52:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
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
AgentTesla
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information


The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other

Comments