MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31b559963b9db1c2ef361b4374b2e855d502f6b6d371c3b1351aae843e4e2916. 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: 10


Intelligence 10 IOCs YARA 6 File information Comments 1

SHA256 hash: 31b559963b9db1c2ef361b4374b2e855d502f6b6d371c3b1351aae843e4e2916
SHA3-384 hash: 40f2b29605af3194a293426053a328550b870faecd810093d0e5ac196bf851608aca710f95cbd39578c68c4176b544d8
SHA1 hash: 959f42340262930d8cfddf32ba73849e17f6c51d
MD5 hash: cec19e6774d987c24d44e2e51c74d59b
humanhash: north-wyoming-five-florida
File name:cec19e6774d987c24d44e2e51c74d59b
Download: download sample
Signature AgentTesla
File size:12'288 bytes
First seen:2022-03-02 19:47:32 UTC
Last seen:2022-03-02 22:39:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 192:i7TxZSrrydzm8y2DcvBckhW7jut+RQng4WZrWb:i7lZ8y1PypZmjuQMWZrW
Threatray 20'958 similar samples on MalwareBazaar
TLSH T1C542F943D3DF4A35C9956A32A97312D441FFDF42E817661F9C31320B1EB2A988D91722
File icon (PE):PE icon
dhash icon 00e49baba4940080 (1 x AgentTesla)
Reporter zbetcheckin
Tags:32 AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
226
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Running batch commands
DNS request
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed vbc.exe
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Creates an undocumented autostart registry key
Encrypted powershell cmdline option found
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
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)
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-03-02 19:48:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
20 of 27 (74.07%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
31b559963b9db1c2ef361b4374b2e855d502f6b6d371c3b1351aae843e4e2916
MD5 hash:
cec19e6774d987c24d44e2e51c74d59b
SHA1 hash:
959f42340262930d8cfddf32ba73849e17f6c51d
Malware family:
Agent Tesla 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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
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.

Web download

AgentTesla

Executable exe 31b559963b9db1c2ef361b4374b2e855d502f6b6d371c3b1351aae843e4e2916

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-03-02 19:47:35 UTC

url : hxxp://13.234.239.130/__cloud88save/vbc.exe