MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 173aa58b574b905cf4c9182d9e1c56d400d477d386d928887c6471dfdf19688b. 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: 13


Intelligence 13 IOCs YARA 8 File information Comments

SHA256 hash: 173aa58b574b905cf4c9182d9e1c56d400d477d386d928887c6471dfdf19688b
SHA3-384 hash: 197f7c58bf5811fb1fd71a9f350958943d3fb087e926caa1cfb85ecedc404303b8d507159d62051332e999b5bba3acf8
SHA1 hash: b5c1b4188e297a16215a33b0a833dce90137c68f
MD5 hash: a73fc15cd59372575fcae03c78b20a49
humanhash: stairway-arizona-mobile-moon
File name:a73fc15cd59372575fcae03c78b20a49.exe
Download: download sample
Signature AgentTesla
File size:221'696 bytes
First seen:2021-08-03 07:41:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 6144:OXbIe99QwU7yX1e70Aw3xAwOCMYKXPkUlI7U:OLIewbWe70Aw3xAwOF4
Threatray 7'737 similar samples on MalwareBazaar
TLSH T1CB2418166715D420CB5F417FC41AC21831F1D707972AD38F5AA6D8FA2F862CEF92A8E4
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
157
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a73fc15cd59372575fcae03c78b20a49.exe
Verdict:
Malicious activity
Analysis date:
2021-08-03 07:43:12 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
Using the Windows Management Instrumentation requests
Sending a UDP request
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 Telegram RAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
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:
2021-08-03 07:42:03 UTC
AV detection:
31 of 46 (67.39%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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/bot1848104837:AAGyG0hi_VP31PmMNbynbZPjJ66-QVsVr2Y/sendDocument
Unpacked files
SH256 hash:
173aa58b574b905cf4c9182d9e1c56d400d477d386d928887c6471dfdf19688b
MD5 hash:
a73fc15cd59372575fcae03c78b20a49
SHA1 hash:
b5c1b4188e297a16215a33b0a833dce90137c68f
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 173aa58b574b905cf4c9182d9e1c56d400d477d386d928887c6471dfdf19688b

(this sample)

  
Delivery method
Distributed via web download

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