MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 82ae77432f1ac93ff479711d35ac59f44f3347f022abc203533689ec755ed959. 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 4 File information Comments

SHA256 hash: 82ae77432f1ac93ff479711d35ac59f44f3347f022abc203533689ec755ed959
SHA3-384 hash: 8b5702692095982806502ac4841bdfecf13d3cc9f73bcb42293046f5838adff4c0f628e5d9e60af6a94414dd6fa22ef3
SHA1 hash: 22f43e9cd68cfd86d4144daf4429bb8f34b2ca6b
MD5 hash: ea88a571b3c79fa1bb7759a4aac7a4ec
humanhash: tennessee-stream-march-papa
File name:fattura firmata_pdf________________________________________.exe
Download: download sample
Signature AgentTesla
File size:124'928 bytes
First seen:2022-02-01 20:17:50 UTC
Last seen:2022-02-01 21:58:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 768:T8aNPNfb2VFoIGcezZ3maHiYMwN8Agw3nZPHbzYKi:wadNfb2VFoIQ2NAVZDza
Threatray 14'654 similar samples on MalwareBazaar
TLSH T1C2C34EF5E774B919F010C93CF99982703AF8EF609F325542B469763A197E2BC2D224E4
File icon (PE):PE icon
dhash icon f8cc86969686cce0 (26 x AgentTesla, 1 x Loki, 1 x QuasarRAT)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
173
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
DNS request
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
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.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Allocates memory in foreign processes
Encrypted powershell cmdline option found
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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)
Sigma detected: Suspicious Encoded PowerShell Command Line
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected MSILDownloaderGeneric
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Downloader.PsDownload
Status:
Malicious
First seen:
2022-02-01 20:18:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
29
AV detection:
19 of 28 (67.86%)
Threat level:
  3/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
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:
82ae77432f1ac93ff479711d35ac59f44f3347f022abc203533689ec755ed959
MD5 hash:
ea88a571b3c79fa1bb7759a4aac7a4ec
SHA1 hash:
22f43e9cd68cfd86d4144daf4429bb8f34b2ca6b
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:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_PE_Discord_Attachment_Oct21_1
Author:Florian Roth
Description:Detects suspicious executable with reference to a Discord attachment (often used for malware hosting on a legitimate FQDN)
Reference:Internal Research

File information


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

Malspam

AgentTesla

Executable exe 82ae77432f1ac93ff479711d35ac59f44f3347f022abc203533689ec755ed959

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments