MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f8e71538897265a9978fd64c698f44966807ae8dcf460d842fbf5d95f93c1514. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f8e71538897265a9978fd64c698f44966807ae8dcf460d842fbf5d95f93c1514
SHA3-384 hash: 3cdfa6034e382d7171d8f04ec6593bcd1ce743919ea9dc6cf66a5ea21233af0384cc7bce607571f2e705760675fbe87c
SHA1 hash: 54f328f7714d75b26b96788ca6a30ae38b466f93
MD5 hash: 34d5ac3d1433b0aaee1e9fd7e032bb7a
humanhash: angel-queen-four-nineteen
File name:invoice.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:992'768 bytes
First seen:2021-05-12 13:48:51 UTC
Last seen:2021-05-14 05:07:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:VeJ2II6jwNI+I3CkkS4eHYiowXFhEMA/YZUAqcIVN:QJSiokkS40HoehEMWsWV
Threatray 5'314 similar samples on MalwareBazaar
TLSH 9D2512953225EA14C37D977184C984C303FD7E01AFA9CA1B6CD57A8DED71A3EAD0062B
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
4
# of downloads :
104
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/155349/
Detection(s):
SecuriteInfo.com.Scr.Malcodegdn30.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/779919
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Modifies the hosts file
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 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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f8e71538897265a9978fd64c698f44966807ae8dcf460d842fbf5d95f93c1514/
Threat name:
ByteCode-MSIL.Trojan.Stelega
Create hunting rule
Status:
Malicious
First seen:
2021-05-12 11:20:14 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7dtrkoejojs2tf4p2zggtd2eszuaplunz5da3bbpx5ozl6j4cuka._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
43a41d6ef8788ee60b4fcf90d5741dae5dcf0a5d58f1b1f38bdf59298d2840bc
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7708f18b689a00ae80ca94d859dc0cd45b5ed325dd6dec34ea517ce3a4f7c072
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83bf33f59a2317bc1dd4457798cae79e2d607d511cf12c3c0cff36886fe20d19
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8a3e6eba5ffc2a598f2f7d4b2c1a73c845f8c1660ed47c0cdc1df48844f7f1eb
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946d932af402b5296889f82c65c54a96617ac2bdc5f787ab81e2ab7077f418c9
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9ecab8874967c53279d62d6fece35433adf4d296ac81d255e7ea61bea88d399a
AgentTesla
aa128e8000ef9197eed67a5b6f27454e0c1b1878ed7546394fde472d42836eb9
AgentTesla
c9af30b2a800c774844eee76e019d10b72c4637adbccd34a6de3bcc8a4f32ba4
AgentTesla
f0d328b8d12d32d2bc29faac2f18c30b74a2e99053113fe7e9d8068408e46299
AgentTesla
f97b20de4d8f123a11901c5dee2121c2c5b6f6d6baea3cb26404c53f5f681822
AgentTesla
+ 5'304 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210512-7e5mntv3c2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f8e71538897265a9978fd64c698f44966807ae8dcf460d842fbf5d95f93c1514

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

AgentTesla

Executable exe f8e71538897265a9978fd64c698f44966807ae8dcf460d842fbf5d95f93c1514

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/155349/

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