MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5491fcd61ab5265371cd23d171a7e793be1f33dc2e7f8a08d1feb11fa7be8283. 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: 15


Intelligence 15 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5491fcd61ab5265371cd23d171a7e793be1f33dc2e7f8a08d1feb11fa7be8283
SHA3-384 hash: fc3aac45664477c61d418986d2bb0977946c062407f8e849b44b1cc165085fcf1ca64a4161c87d1e83651ea77b492711
SHA1 hash: 0ce9208ccb4f86f91a5bb740582e8341fd59a038
MD5 hash: 49d3a9f796be84730216fb3be64111d4
humanhash: double-vermont-nitrogen-network
File name:5491fcd61ab5265371cd23d171a7e793be1f33dc2e7f8a08d1feb11fa7be8283
Download: download sample
Signature AgentTesla
Create hunting rule
File size:13'824 bytes
First seen:2024-03-05 13:25:06 UTC
Last seen:2024-03-05 15:28:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 192:TEoncgnbPuol3W9mvvwaXjNDDOroJxgH/8pEttP+h1ZJeS9X6a1h5m4aE6:AoccbjP3XjNDiUfVEXon151h5AE
Threatray 5'145 similar samples on MalwareBazaar
TLSH T13D521A1473EC4723E2FA9B7AD8F12160137AFEAB6523DB1E1CC4154B1C65B508DA1B63
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) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
347
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5491fcd61ab5265371cd23d171a7e793be1f33dc2e7f8a08d1feb11fa7be8283
Verdict:
Malicious activity
Analysis date:
2024-03-05 13:25:02 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/387276b7-cea1-4533-8ad7-b02d5d8fb785

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.KeyloggerX-gen.23199.4917.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP POST request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed packed smartassembly smart_assembly
Link:
https://www.filescan.io/uploads/65e71d6d3b77ec652565fa77/reports/1978a1a4-fd17-4029-a22a-cae08468ac28/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/5491fcd61ab5265371cd23d171a7e793be1f33dc2e7f8a08d1feb11fa7be8283
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:
Suspicious
Link:
https://analyze.intezer.com/analyses/7da434e5-5c65-4dfa-bd3d-7b74b02c536e
Result
Threat name:
AgentTesla, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1403435
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
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)
Queries sensitive video device information (via WMI, Win32_VideoController, 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 steal Mail credentials (via file / registry access)
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected PureLog Stealer
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1403435 Sample: YPw9XeRM2O.exe Startdate: 05/03/2024 Architecture: WINDOWS Score: 100 30 api.telegram.org 2->30 32 www.example.com 2->32 34 2 other IPs or domains 2->34 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for URL or domain 2->48 52 10 other signatures 2->52 7 YPw9XeRM2O.exe 16 5 2->7         started        12 Neiui.exe 14 4 2->12         started        14 Neiui.exe 2->14         started        signatures3 50 Uses the Telegram API (likely for C&C communication) 30->50 process4 dnsIp5 36 remisat.com.uy 192.254.232.209, 443, 49709, 49716 UNIFIEDLAYER-AS-1US United States 7->36 38 www.example.com 93.184.216.34, 49708, 49710, 49715 EDGECASTUS European Union 7->38 24 C:\Users\user\AppData\Roaming24eiui.exe, PE32 7->24 dropped 54 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->54 56 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->56 58 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->58 60 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 7->60 16 YPw9XeRM2O.exe 2 7->16         started        62 Multi AV Scanner detection for dropped file 12->62 64 Machine Learning detection for dropped file 12->64 20 Neiui.exe 2 12->20         started        22 Neiui.exe 14->22         started        file6 signatures7 process8 dnsIp9 26 ip-api.com 208.95.112.1, 49711, 49723, 49729 TUT-ASUS United States 16->26 28 api.telegram.org 149.154.167.220, 443, 49712, 49724 TELEGRAMRU United Kingdom 16->28 40 Tries to steal Mail credentials (via file / registry access) 22->40 42 Tries to harvest and steal browser information (history, passwords, etc) 22->42 signatures10
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/5491fcd61ab5265371cd23d171a7e793be1f33dc2e7f8a08d1feb11fa7be8283
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5491fcd61ab5265371cd23d171a7e793be1f33dc2e7f8a08d1feb11fa7be8283/
Threat name:
ByteCode-MSIL.Trojan.PureLogStealer
Create hunting rule
Status:
Malicious
First seen:
2024-02-25 03:18:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ksi7zvq2wutfg4onepixdj7hso7b6m64fz7yucgr72yr7j56qkbq._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
02c8eebae0079db6819c4f7d157715e362600d98a25a9f0c9c2bb26d4ef28752
AgentTesla
15ed690489e8c1fe0d2e74ed0a241eb1b66a440a542744dbb540e4a0c171b89a
AgentTesla
2c5ac5f3342284ce40a4f199f9a2c1ec372e5063d4e6cea5b99936ff357797c0
AgentTesla
435a9413255eab9eb0aa6c6439dfabdecc47785eec10aaf9a59a0619cb564cff
AgentTesla
5491fcd61ab5265371cd23d171a7e793be1f33dc2e7f8a08d1feb11fa7be8283
AgentTesla
+ 5'135 additional samples on MalwareBazaar
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:zgrat keylogger persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/240305-qphg7sfg8t/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Detect ZGRat V1
ZGRat
Malware Config
C2 Extraction:
https://api.telegram.org/bot6788300365:AAHk2GTWUvl7PlvMxXk2M1D_7e1yYgg26zE/
Unpacked files
SH256 hash:
5491fcd61ab5265371cd23d171a7e793be1f33dc2e7f8a08d1feb11fa7be8283
MD5 hash:
49d3a9f796be84730216fb3be64111d4
SHA1 hash:
0ce9208ccb4f86f91a5bb740582e8341fd59a038
Detections:
PureCrypter_Stage1
Create hunting rule
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/4756f599-9bf4-4b6c-8e95-f436d2f7d78a/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5491fcd61ab5/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/5491fcd61ab5265371cd23d171a7e793be1f33dc2e7f8a08d1feb11fa7be8283

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:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:MSIL_TinyDownloader_Generic
Create hunting rule
Author:albertzsigovits
Description:Detects small-sized dotNET downloaders
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.

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

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