MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a36ea228a2f251f0f6bacdf0831428f629e44a8d9736eb4b47307e59d6bb8f2. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3a36ea228a2f251f0f6bacdf0831428f629e44a8d9736eb4b47307e59d6bb8f2
SHA3-384 hash: 5b65a4384e1745289a7c13e83c920f6a183d0abaa51289501da3436bbf53a1182f0dfd50f6a02357198f8487d7930312
SHA1 hash: c7742023f1d99343c89828a2a98afaacc31233dc
MD5 hash: f98c55e1ce3bdd2126daf7d528c48b1a
humanhash: hawaii-twenty-hydrogen-network
File name:SecuriteInfo.com.W32.MSIL_Agent.GIL.gen.Eldorado.20044.1173
Download: download sample
Signature AgentTesla
Create hunting rule
File size:801'280 bytes
First seen:2023-09-22 05:30:56 UTC
Last seen:2023-09-22 14:44:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 12288:MiQRBDrnhAFT/8TSL3po1QQj8ze65Qz8ZTUgwqW:xQRBDLkxLZo1QQjkeR8lp
Threatray 5'655 similar samples on MalwareBazaar
TLSH T175055C56BBD8CA53D09F2BB6F8B01A042BF9E449F262E74F2A4842ED1C477415D8136F
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)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
304
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.W32.MSIL_Agent.GIL.gen.Eldorado.20044.1173
Verdict:
Malicious activity
Analysis date:
2023-09-22 09:06:56 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/b02479f3-1c9e-4282-b4d8-37dfd7c97d2e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/450547/
Detection(s):
SecuriteInfo.com.W32.MSIL_Agent.GIL.gen.Eldorado.20044.1173.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Sending an HTTP GET request
Creating a file in the %AppData% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Creating a window
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin masquerade packed replace
Link:
https://www.filescan.io/uploads/650d269a83a0c6425dfc1e55/reports/ed971ed6-639f-4350-826b-b1128baa22a7/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/3a36ea228a2f251f0f6bacdf0831428f629e44a8d9736eb4b47307e59d6bb8f2
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/50cb779b-b70f-47f1-9a01-8369e97fb9a1
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1312741
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Creates multiple autostart registry keys
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
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 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 Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1312741 Sample: SecuriteInfo.com.W32.MSIL_A... Startdate: 22/09/2023 Architecture: WINDOWS Score: 100 52 Snort IDS alert for network traffic 2->52 54 Multi AV Scanner detection for domain / URL 2->54 56 Found malware configuration 2->56 58 8 other signatures 2->58 6 SecuriteInfo.com.W32.MSIL_Agent.GIL.gen.Eldorado.20044.1173.exe 16 5 2->6         started        11 Mrbxzmhs.exe 14 5 2->11         started        13 Mrbxzmhs.exe 2->13         started        15 2 other processes 2->15 process3 dnsIp4 50 qu.ax 92.118.112.119, 443, 49699, 49702 GUDAEV-ASRU Russian Federation 6->50 34 C:\Users\user\AppData\Roaming\Mrbxzmhs.exe, PE32 6->34 dropped 74 Creates multiple autostart registry keys 6->74 76 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 6->76 17 aspnet_compiler.exe 16 4 6->17         started        22 svchost.exe 6->22         started        78 Multi AV Scanner detection for dropped file 11->78 80 Machine Learning detection for dropped file 11->80 24 aspnet_compiler.exe 3 11->24         started        26 aspnet_compiler.exe 13->26         started        28 conhost.exe 15->28         started        30 conhost.exe 15->30         started        file5 signatures6 process7 dnsIp8 36 amtechprinting.com 64.188.2.244, 49701, 49705, 49729 ASN-QUADRANET-GLOBALUS United States 17->36 38 mail.amtechprinting.com 17->38 46 2 other IPs or domains 17->46 32 C:\Users\user\AppData\Roaming\...\My App.exe, PE32 17->32 dropped 60 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->60 62 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->62 64 May check the online IP address of the machine 17->64 66 Creates multiple autostart registry keys 17->66 40 mail.amtechprinting.com 24->40 48 2 other IPs or domains 24->48 42 mail.amtechprinting.com 26->42 44 api.ipify.org 26->44 68 Tries to steal Mail credentials (via file / registry access) 26->68 70 Tries to harvest and steal browser information (history, passwords, etc) 26->70 72 Hides that the sample has been downloaded from the Internet (zone.identifier) 26->72 file9 signatures10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3a36ea228a2f251f0f6bacdf0831428f629e44a8d9736eb4b47307e59d6bb8f2/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-09-22 03:10:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
20 of 36 (55.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hi3ouiukf4sr6d3lvtpqqmkcr5rj4rfi3fzw5nfuomd6lhllxdza._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
3c3bfc4353b8c082ab7c4202df58d8008cd322258c4c5505d387cf3a128b78ee
AgentTesla
4a6391439592ce3581a5d2c8f6195cc7e582d69222cf0e23d6bb0e8962abd1c2
AgentTesla
4dd2b1081222991f76595cae95f0e3b47f56b2cef85177fee637a2534196dfc7
AgentTesla
7deb65a2ec42de8489a8b8283a8927b3ec8301e4297e5daadc58f172b9c289db
AgentTesla
b48a5ebf4d21ce938606b70952e053ff15581a50d96e1e2cec000a8173edade3
AgentTesla
d56f7dbd535d973bc8b14f22c58ab9c658e0bbe3f3139e7c16c619dba98ec664
AgentTesla
+ 5'645 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230922-f7pzwsde4t/
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
Adds Run key to start application
Looks up external IP address via web service
AgentTesla
Unpacked files
SH256 hash:
3a36ea228a2f251f0f6bacdf0831428f629e44a8d9736eb4b47307e59d6bb8f2
MD5 hash:
f98c55e1ce3bdd2126daf7d528c48b1a
SHA1 hash:
c7742023f1d99343c89828a2a98afaacc31233dc
Link:
https://www.unpac.me/results/a4357b1c-f578-4366-9e3a-2bf5e71bde93/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3a36ea228a2f/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/3a36ea228a2f251f0f6bacdf0831428f629e44a8d9736eb4b47307e59d6bb8f2

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:NET
Create hunting rule
Author:malware-lu
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

zip 720dc225118987d570bf472f9552164c1b58120d06ab45d2b305b851c787e6f5

AgentTesla

Executable exe 3a36ea228a2f251f0f6bacdf0831428f629e44a8d9736eb4b47307e59d6bb8f2

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/450547/
  
Dropped by
SHA256 720dc225118987d570bf472f9552164c1b58120d06ab45d2b305b851c787e6f5
  
Dropped by
MD5 9b16df9c14b4f913509dcad68ddb927f

Comments