MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b8172f51acd81794ecb8e7f69f07316d7c0b0b6c21750bbe8888db892fb7f8f. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2b8172f51acd81794ecb8e7f69f07316d7c0b0b6c21750bbe8888db892fb7f8f
SHA3-384 hash: 77406a39906344532f3666496d031ce993e44c98d60846f615cac7a7bb3f6c61b2702d81a3f225d984d10a45421fd24f
SHA1 hash: cc342170863dfdb888c3635f731956a9028e770a
MD5 hash: 2577aac1507e269325b75863245be938
humanhash: alanine-mexico-dakota-social
File name:PO.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:616'448 bytes
First seen:2023-10-05 08:28:01 UTC
Last seen:2023-10-05 08:31:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:R8zS55mFzKi6PkU1AYPPuKQvDxLX/sMwsrtKfntEWmOYcoac3Ta24hA:Rf55qWi6PkU1tPDkBwsrYfGWVxohm24W
TLSH T10DD42305112C9B84DB7D87321C3F4EE20B715F67F18EF6A62EACE79A459D8148240F97
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 cocaman
Tags:AgentTesla exe Shipping

Intelligence

File Origin
# of uploads :
2
# of downloads :
254
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
PO.exe
Verdict:
Malicious activity
Analysis date:
2023-10-05 08:39:08 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/fa97e128-4fed-48ed-8561-78786970dc06

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Launching a process
Restart of the analyzed sample
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  10/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/651e73951e07d7e1e9b18b1f/reports/239ee511-4834-4e23-b8e9-279464e9a5b4/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/2b8172f51acd81794ecb8e7f69f07316d7c0b0b6c21750bbe8888db892fb7f8f
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:
Malicious
Link:
https://analyze.intezer.com/analyses/191797a9-e380-4906-af40-478bcd4d01f9
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1320002
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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)
Sigma detected: Scheduled temp file as task from temp location
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1320002 Sample: PO.exe Startdate: 05/10/2023 Architecture: WINDOWS Score: 100 36 quartieri97italy.com.ng 2->36 38 mail.quartieri97italy.com.ng 2->38 40 2 other IPs or domains 2->40 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus / Scanner detection for submitted sample 2->48 50 Sigma detected: Scheduled temp file as task from temp location 2->50 52 8 other signatures 2->52 8 skUDsHmuZWLF.exe 5 2->8         started        11 PO.exe 7 2->11         started        signatures3 process4 file5 54 Antivirus detection for dropped file 8->54 56 Multi AV Scanner detection for dropped file 8->56 58 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->58 60 Machine Learning detection for dropped file 8->60 14 skUDsHmuZWLF.exe 14 2 8->14         started        17 schtasks.exe 1 8->17         started        32 C:\Users\user\AppData\...\skUDsHmuZWLF.exe, PE32 11->32 dropped 34 C:\Users\user\AppData\Local\...\tmp6F4D.tmp, XML 11->34 dropped 62 Uses schtasks.exe or at.exe to add and modify task schedules 11->62 64 Adds a directory exclusion to Windows Defender 11->64 66 Injects a PE file into a foreign processes 11->66 19 PO.exe 15 2 11->19         started        22 powershell.exe 23 11->22         started        24 schtasks.exe 1 11->24         started        signatures6 process7 dnsIp8 68 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->68 70 Tries to steal Mail credentials (via file / registry access) 14->70 72 Tries to harvest and steal browser information (history, passwords, etc) 14->72 26 conhost.exe 17->26         started        42 api4.ipify.org 104.237.62.212, 443, 49710, 49712 WEBNXUS United States 19->42 44 quartieri97italy.com.ng 104.194.10.93, 49711, 49713, 587 RELIABLESITEUS United States 19->44 28 conhost.exe 22->28         started        30 conhost.exe 24->30         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2b8172f51acd81794ecb8e7f69f07316d7c0b0b6c21750bbe8888db892fb7f8f/
Threat name:
ByteCode-MSIL.Trojan.LokiBot
Create hunting rule
Status:
Malicious
First seen:
2023-10-05 01:27:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=foaxf5i2zwaxstwlrz7wt4dtc3l4bmfwyilvbo7ircg3rex3p6hq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Result
Malware family:
n/a
Score:
  10/10
Tags:
spyware stealer
Link:
https://tria.ge/reports/231005-kc1kcshf5s/
Behaviour
Creates scheduled task(s)
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
b1270dc9ec3f22c6fd2296239426ac7c48589589580d4a1b3da8188920b22a63
MD5 hash:
5c904da8528cfb1b87b15a6aa7c059cd
SHA1 hash:
f0a192969485d1bc34bf52adf37d9c20176d6b85
Link:
https://www.unpac.me/results/d9ca285e-cd02-4f04-8fb1-ac405f7cfd8b/
SH256 hash:
af10a81d30ea6c14a0857caa64697f78672a941419d679b34eedb82e080ad46b
MD5 hash:
ec0b80883f0b18fb75a48dd18795f514
SHA1 hash:
afe9537c27362b6769a1df0ad414b8e58d34ea40
Link:
https://www.unpac.me/results/d9ca285e-cd02-4f04-8fb1-ac405f7cfd8b/
SH256 hash:
e2ba13fb1ec0d56ce840824c423ec65a0cab3a6ea29ae186eff2d8919d522549
MD5 hash:
917f77374ff5297704a6687c380964cc
SHA1 hash:
8777728b711dc04d3fc09e3624a10103157fed25
Link:
https://www.unpac.me/results/d9ca285e-cd02-4f04-8fb1-ac405f7cfd8b/
SH256 hash:
533e861b08497465ebd3e92369b05676878b20ffe1d9c6ddaca6b67eef2fba3e
MD5 hash:
5447d17c4514efe0c6da477b4c7a7fc1
SHA1 hash:
49812422206bb7575ebf84faf832f0139f1264dd
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
Link:
https://www.unpac.me/results/d9ca285e-cd02-4f04-8fb1-ac405f7cfd8b/
Parent samples :
2b8172f51acd81794ecb8e7f69f07316d7c0b0b6c21750bbe8888db892fb7f8f
d9ad9317df9b6b82209b435142a8825f1af5ba8aa431bdc1d51878888eb01985
b86d717a0ca63281cc2b52db5384f3749701d21bed519af5ff9e07012e4ec30e
ea85d3b8e5460295de4961afc0dada2d5251369539869353ec2aa6003772207c
c54a3c60bc528e8594c813c61a2f929666e0f22a3ca837612b9cd48442721853
dcd14bbac870c363f3ac5a4726643576990b1c5b7ca3374d9d1b59b22168534b
cab72bb12ebebf2ea413f76234f75ba43b2792f8bf0489eb6a63a6aef2f9ac54
12b0e9070b1cb188d48c3b702307c7c544e0f4e9126b6552653b5bf72c9530f3
SH256 hash:
2b8172f51acd81794ecb8e7f69f07316d7c0b0b6c21750bbe8888db892fb7f8f
MD5 hash:
2577aac1507e269325b75863245be938
SHA1 hash:
cc342170863dfdb888c3635f731956a9028e770a
Link:
https://www.unpac.me/results/d9ca285e-cd02-4f04-8fb1-ac405f7cfd8b/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2b8172f51acd/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/2b8172f51acd81794ecb8e7f69f07316d7c0b0b6c21750bbe8888db892fb7f8f

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:NETexecutableMicrosoft
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 7db3f3f228621a9991fe193d4f8b755a43bb743e6793cb2e42b1409f9404de0a

AgentTesla

Executable exe 2b8172f51acd81794ecb8e7f69f07316d7c0b0b6c21750bbe8888db892fb7f8f

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 7db3f3f228621a9991fe193d4f8b755a43bb743e6793cb2e42b1409f9404de0a
  
Dropped by
SHA256 a142e9505268b8ede2a0be7684e8f268fc4ac56940d465384acc698105307897
  
Dropped by
MD5 d6f9ace9f5dd2c92acb3f5e521d8b163
  
Dropped by
MD5 374f28acaffedb2fee1fa13a04406cf4

Comments