MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66b4079397c29474bf588016a173ceb34a8969942bb98f1fc3e32b80a43c8866. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 66b4079397c29474bf588016a173ceb34a8969942bb98f1fc3e32b80a43c8866
SHA3-384 hash: 46fb84f7a05cc36b864d61275ed89a02609f115210ee1496ff621896a3ce17692b45b6d929d2f24a987b95902593792e
SHA1 hash: 7097bd53d997b6f78010547883f3147733d80772
MD5 hash: 148f2e0eabbcb2ff549ca462cdae58ff
humanhash: whiskey-thirteen-eighteen-yellow
File name:SecuriteInfo.com.Win32.RATX-gen.11177.12998
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'185'280 bytes
First seen:2023-06-14 17:34:14 UTC
Last seen:2023-06-18 15:58:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:ST0WYuEfq3kSmHY/97GuvKWdB0p44Iw7r:Syi3kTYw0rHq8wH
Threatray 5'412 similar samples on MalwareBazaar
TLSH T11945D43D9CBD5237A674C6A6CF94B826F094D3B731121D39A8D35285862BD4B3AC313E
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 :
2
# of downloads :
284
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Win32.RATX-gen.11177.12998
Verdict:
Malicious activity
Analysis date:
2023-06-14 17:36:42 UTC
Tags:
rat agenttesla
Link:
https://app.any.run/tasks/a2130c87-a79f-4eb7-969e-b01b9376a82c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
XorStringsNET
Create hunting rule
Link:
https://www.capesandbox.com/analysis/398931/
Detection(s):
SecuriteInfo.com.Win32.RATX-gen.11177.12998.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin packed
Link:
https://www.filescan.io/uploads/6489fa47d4ede67cf1a60aad/reports/11bd0946-b201-43e8-a31f-38fd3983ce44/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/66b4079397c29474bf588016a173ceb34a8969942bb98f1fc3e32b80a43c8866
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/443238ec-ca56-4776-b71c-6217bbf7ce9b
Result
Threat name:
AgentTesla, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1254745
Signature
.NET source code contains very large strings
Antivirus detection for URL or domain
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for domain / URL
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)
Yara detected AgentTesla
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/66b4079397c29474bf588016a173ceb34a8969942bb98f1fc3e32b80a43c8866/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-06-15 04:29:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
14 of 24 (58.33%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=m22ape4xykkhjp2yqalkc46ownfis2mufo4y6h6d4mvybjb4rbta._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
34a8585e0643993caaaa6c3fcd9933354087422062d3c887dada1d65b570bfb3
AgentTesla
416529937e7d4b862e92650310ecc0ecdcb2aa8f43fcb8fa0dece926e5963203
AgentTesla
49d6624bc410c9c12b48720165564f7b46633f3df09451cd2acf7e2b5bf33318
AgentTesla
58036d338d5e813b0143524d21a140f38d8b58f1a531b72f7ce4a82091380185
AgentTesla
60e1ed8c3c6bc9d9ef48d6e2129a75c8d39deb97844ab5b17944539e4400f24a
AgentTesla
9ff3cd3ff6bb45bd888b2eaeebef3aef2784182df2ef03449d435098166882ba
AgentTesla
ac7983522d429ba0141b567f6e7606e4c8f11065f976f306c4222a2110d8a2da
AgentTesla
b1d6939bbb4a9f66306d13bd4b0cd7a59fbe69c451c3bd2df836a65c1114f70a
AgentTesla
e40bff3bb093b2bdc11d7e1d5a990db99b3a914dc74a1aec2d28662da10cde9b
AgentTesla
e5abfba23ff6a7b7a2b51024addef4335a6046f13af844a912778e057e9dee45
AgentTesla
+ 5'402 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230614-v5z5eabh66/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
4e07d951264f618e1c017128c72da2000145ec7b9f3af1205f5053fad8adfc2c
MD5 hash:
b9ed84f54700a9a8f4c8184165e0a450
SHA1 hash:
bd02f458357725daa9f77c342eaa133dc3257427
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/211fa9f8-28b9-4008-b938-23f7f7d9b6f2/
Parent samples :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 hash:
c83bb0af642d25f42432fe5a23cc246697f5be99bf9b98ac8e1332b62e6ba8d4
MD5 hash:
75b0835846ed347227f6bfd5c3e7ac5f
SHA1 hash:
b0e670194387adfd692118ea8a85ce0befa852b6
Link:
https://www.unpac.me/results/211fa9f8-28b9-4008-b938-23f7f7d9b6f2/
SH256 hash:
c5292e88249c021018ea6248830be0755e44823adaa046b7740487739ed80aa6
MD5 hash:
846002c825d2ec3d32c189689d06699e
SHA1 hash:
7a2c1741362286c80b9bf2211a9d07828834cf77
Link:
https://www.unpac.me/results/211fa9f8-28b9-4008-b938-23f7f7d9b6f2/
SH256 hash:
f8dbc6077f6b01c6eec334061d687ff1b291a2aa5513cf1e0b5bde4a8dbc5588
MD5 hash:
15aab611795bcbf2758052944013be1a
SHA1 hash:
772a1002b111e117cf3b1e9f0cabda4894777399
Link:
https://www.unpac.me/results/211fa9f8-28b9-4008-b938-23f7f7d9b6f2/
SH256 hash:
e1ace24500bbcd469111bf2ba8189aa6936c3d0bbb488128fbb4ea2cbc17d4a1
MD5 hash:
ecbf53b10687df19b5d2aa0b13657072
SHA1 hash:
259e12ae2f35da32fd58a46df7be6fcb352f7d83
Link:
https://www.unpac.me/results/211fa9f8-28b9-4008-b938-23f7f7d9b6f2/
SH256 hash:
66b4079397c29474bf588016a173ceb34a8969942bb98f1fc3e32b80a43c8866
MD5 hash:
148f2e0eabbcb2ff549ca462cdae58ff
SHA1 hash:
7097bd53d997b6f78010547883f3147733d80772
Link:
https://www.unpac.me/results/211fa9f8-28b9-4008-b938-23f7f7d9b6f2/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/66b4079397c2/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/66b4079397c29474bf588016a173ceb34a8969942bb98f1fc3e32b80a43c8866

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.

Cape
Cape
https://www.capesandbox.com/analysis/398931/

Comments