MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83d3644a239ef9f0353c7387c55f76c1c5aa30eb1d261b5035aff03db365e9f8. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 83d3644a239ef9f0353c7387c55f76c1c5aa30eb1d261b5035aff03db365e9f8
SHA3-384 hash: 57fbaccc3b4c6572cefa910c79b1fddf9d4d2825ff5f40f8009d1f58e8a4be3bd8f4a9510d109abe6d9917637c4ec399
SHA1 hash: 526e1e553d4ec1779f8a1052470d8786199f6d9b
MD5 hash: 5cea347d6984102fc1ca70a11d8309c3
humanhash: skylark-spaghetti-shade-mockingbird
File name:5cea347d6984102fc1ca70a11d8309c3.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:648'704 bytes
First seen:2023-06-23 11:51:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:J2iNG4/mNUAf7hNroGh9gU6BsMjZeoN3uhpDFjyHID:J1M4/QUi7oGOBsMlnN+pDtyS
TLSH T12ED4121622940F19F53F9FF925B44560C3B2FA519B02F23E6FE620F105A3B519E02B6B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon e0cc8e8e8eccccf0 (19 x AgentTesla, 8 x Loki, 7 x Formbook)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
256
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
a27108028e83aea3675a1fae0bae2f85.rtf
Verdict:
Malicious activity
Analysis date:
2023-06-23 11:39:13 UTC
Tags:
exploit cve-2017-11882 loader agenttesla
Link:
https://app.any.run/tasks/9f8e54f9-8cc5-4fef-b005-293958153394

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/402169/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Searching for the window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6495876320eac562407a14d5/reports/6509663f-6c66-4930-a744-c7787b773ae3/overview
Verdict:
Malicious
Labled as:
Strictor.Generic
Link:
https://www.hybrid-analysis.com/sample/83d3644a239ef9f0353c7387c55f76c1c5aa30eb1d261b5035aff03db365e9f8
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/1992b072-57a3-46d5-9a34-1bc824469429
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1260424
Signature
.NET source code contains potential unpacker
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/83d3644a239ef9f0353c7387c55f76c1c5aa30eb1d261b5035aff03db365e9f8/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-06-23 10:54:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
19 of 24 (79.17%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qpjwisrdt347anj4ood4kx3wyhc2umhldutbwubvv7yd3m3f5h4a._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230623-n1qa3see88/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
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
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5883003878:AAFpBckcmgDz5oo6UOQWuJ2RAQECqFqj0yM/
Unpacked files
SH256 hash:
0d9df219a2958884825ef7484d35ebd0723929d1921fbf6cb2173d867728fcbe
MD5 hash:
60ccf6007960a6ce567c2240c15f8071
SHA1 hash:
c0c1a580dff0aee522ff9b45ecf71a4b8de8bcf1
Link:
https://www.unpac.me/results/7a530a0d-baad-4112-81d9-92481c6fc3c6/
SH256 hash:
9d6c73e273a966a4ed1d93350392d965792ddf5ad201bfa28b8adcec2e344db5
MD5 hash:
adac60763fcfe4d5f4ad323046e79500
SHA1 hash:
9ced772a90ddec9fffde8c745225ad289f3f087e
Link:
https://www.unpac.me/results/7a530a0d-baad-4112-81d9-92481c6fc3c6/
SH256 hash:
867c70bd4fb8c0b35a98109c398d54c47d3042dca3e91fad56a4449fca9bbec3
MD5 hash:
ddc8615f9751995ed3950b1ca6977412
SHA1 hash:
62350c8523f0ff5cda8979330237c66c19d27c74
Link:
https://www.unpac.me/results/7a530a0d-baad-4112-81d9-92481c6fc3c6/
SH256 hash:
1176e2ea26b891fb317eea937724eeb5d1d203b257752630eff0402511aeb619
MD5 hash:
2d3af296e65a27fd4d2f11db7deeb482
SHA1 hash:
5866748ae12d7b4c27fb2a3027f124d5cc7d9efb
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/7a530a0d-baad-4112-81d9-92481c6fc3c6/
Parent samples :
83d3644a239ef9f0353c7387c55f76c1c5aa30eb1d261b5035aff03db365e9f8
9e778ed10d6543b0b16f50bbb021181e2cd1d6e9ab230f28492eeb45838c3893
SH256 hash:
83d3644a239ef9f0353c7387c55f76c1c5aa30eb1d261b5035aff03db365e9f8
MD5 hash:
5cea347d6984102fc1ca70a11d8309c3
SHA1 hash:
526e1e553d4ec1779f8a1052470d8786199f6d9b
Link:
https://www.unpac.me/results/7a530a0d-baad-4112-81d9-92481c6fc3c6/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/83d3644a239e/report/overview.html
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/83d3644a239ef9f0353c7387c55f76c1c5aa30eb1d261b5035aff03db365e9f8

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.

Web download

AgentTesla

Executable exe 83d3644a239ef9f0353c7387c55f76c1c5aa30eb1d261b5035aff03db365e9f8

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2649114/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/402169/

Comments