MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 57b74cd71a6c2c665e5c60dcbd5e181febe3cc7d088d5354d756b08794ee94b3. 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: 14


Intelligence 14 IOCs YARA 8 File information Comments

SHA256 hash: 57b74cd71a6c2c665e5c60dcbd5e181febe3cc7d088d5354d756b08794ee94b3
SHA3-384 hash: bf5809d3b04014ee930b2cd2c8c8adca6306f3cb64bdaca02ffa5e935e4d5aab3d3f7527c1ef67505736b70c0c102eea
SHA1 hash: f7edf6c5208ce2828e46651b041bbfa46fdf2abd
MD5 hash: 6ff6699b13744fe18fd603c5ac254710
humanhash: five-harry-eight-venus
File name:6ff6699b13744fe18fd603c5ac254710.exe
Download: download sample
Signature AgentTesla
File size:221'696 bytes
First seen:2021-10-11 18:41:48 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 3072:VGWVyC2BXAR7QAOJoWysUs8UE9sOIS8wscMsnx1rYhdub30M+GwVtFKUc2V:V/R7QAHuUL9NIW48xqaTNw7cUc
Threatray 11'427 similar samples on MalwareBazaar
TLSH T1F02418166754D420CB5F417FC416820831B1DB03A72AD7DF5AA6D8FA2F812CEF92B8E5
Reporter abuse_ch
Tags:AgentTesla exe Telegram

Intelligence


File Origin
# of uploads :
1
# of downloads :
290
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
6ff6699b13744fe18fd603c5ac254710.exe
Verdict:
Malicious activity
Analysis date:
2021-10-11 19:35:20 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
Launching a process
Creating a file in the %temp% directory
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
hacktool keylogger obfuscated packed
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Contains functionality to register a low level keyboard hook
Found malware configuration
Installs a global keyboard hook
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)
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)
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Infostealer.DarkStealer
Status:
Malicious
First seen:
2021-09-14 23:53:02 UTC
AV detection:
33 of 45 (73.33%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
outlook_office_path
outlook_win_path
Accesses Microsoft Outlook profiles
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Malware Config
C2 Extraction:
https://api.telegram.org/bot1620445910:AAF2v81NoINJsu_XXnpGet1YDm-NxnznaIE/sendDocument
Unpacked files
SH256 hash:
57b74cd71a6c2c665e5c60dcbd5e181febe3cc7d088d5354d756b08794ee94b3
MD5 hash:
6ff6699b13744fe18fd603c5ac254710
SHA1 hash:
f7edf6c5208ce2828e46651b041bbfa46fdf2abd
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Telegram_Exfiltration_Via_Api
Author:lsepaolo
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 57b74cd71a6c2c665e5c60dcbd5e181febe3cc7d088d5354d756b08794ee94b3

(this sample)

  
Delivery method
Distributed via web download

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