MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1feadf16ad13dde154e2cbd1ea50df42ad148765496292d15b30e2b642160dd. 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 1

SHA256 hash: a1feadf16ad13dde154e2cbd1ea50df42ad148765496292d15b30e2b642160dd
SHA3-384 hash: 85e8e2758f8368e80b7eb5778aeded6ecf4ccb5c666b6e54b09ca85a33d70ae8ee9ea4379beec408feea02e979b6eb1e
SHA1 hash: 1f55cae7b7bcbda3c3ec5c62106fdf486d7d0739
MD5 hash: 64b4b1007780467558fe2e6559e73a34
humanhash: hawaii-mexico-alaska-lithium
File name:Quotation QU1921.exe
Download: download sample
Signature AgentTesla
File size:584'192 bytes
First seen:2021-04-19 16:46:50 UTC
Last seen:2021-04-20 05:17:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:nmsPqPf0kJQam1V/MsLhuHpRXbB5u0/E2G2TIva78azRRRRR/:kpJQam1V/9urvuKciealRRRRR/
Threatray 4'128 similar samples on MalwareBazaar
TLSH ECC41222A3589723E2BA7BB8816315101BF6F91AEB33E61A3F8514FD3453F51C950B93
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
3
# of downloads :
93
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Quotation QU1921.exe
Verdict:
Malicious activity
Analysis date:
2021-04-19 16:55:02 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
Creating a window
Sending a custom TCP request
Sending a UDP request
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
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
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 (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Gathering data
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
Suspicious use of SetThreadContext
AgentTesla Payload
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:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
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.

Malspam

AgentTesla

Executable exe a1feadf16ad13dde154e2cbd1ea50df42ad148765496292d15b30e2b642160dd

(this sample)

  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment

Comments



Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-04-19 17:02:30 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0009] Anti-Behavioral Analysis::Virtual Machine Detection