MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f591f3b46cc1844550906abe587a1d82b96b37bac5621c1937ab8b0552258417. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f591f3b46cc1844550906abe587a1d82b96b37bac5621c1937ab8b0552258417
SHA3-384 hash: 263e5280a022f72e631429f568b049a8235cb585ba2340069a196ea04046a840edad735dc239b967b73efe5b8655e646
SHA1 hash: b2d50a2baca82a5a900a0cdc83921ee33ec5f558
MD5 hash: a95f9a75b4460b7983279a879c9ec0f9
humanhash: freddie-oven-yellow-winner
File name:a95f9a75b4460b7983279a879c9ec0f9.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:634'880 bytes
First seen:2023-07-19 06:42:22 UTC
Last seen:2023-07-19 12:30:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:0PYPfY7NWu5uZY6rmFpXUhNUSKpOILx6Peo:0PYPgwuKYtwUfO0x6Pe
Threatray 5'361 similar samples on MalwareBazaar
TLSH T148D4229092FD8A33C5E427F467A0FB6246B0DFC92429EA9A9FD3FDD6B04374001456A7
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 d4c08486a2a0c0d4 (7 x AgentTesla, 2 x Formbook, 2 x NanoCore)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
274
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
a95f9a75b4460b7983279a879c9ec0f9.exe
Verdict:
Malicious activity
Analysis date:
2023-07-19 06:46:40 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/b07cecbe-e530-4cd7-8614-811a5805d07b

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/424506/
Detection(s):
SecuriteInfo.com.Trojan.DownLoaderNET.666.27953.31520.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo formbook packed remcos
Link:
https://www.filescan.io/uploads/64b785f88ca71f19e0893884/reports/05d1cdbc-2dec-4df8-91b0-77fe1aebd8fd/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/f591f3b46cc1844550906abe587a1d82b96b37bac5621c1937ab8b0552258417
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/876e6b8e-889c-4994-b28e-be5a53eac3cd
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1275698
Signature
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for sample
May check the online IP address of the machine
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
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
Behaviour
Behavior Graph:
Download SVG
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f591f3b46cc1844550906abe587a1d82b96b37bac5621c1937ab8b0552258417/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-07-18 19:47:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
21 of 25 (84.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6wi7hndmygcekueqnk7fq6q5qk4wwn52yvrbygjxvofqkurfqqlq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
2c4d72ac436fbd83a5e3138bd493bee423663f054dfbbc55c5cc50e13f5723f2
AgentTesla
327a8152267ef86944cbbba1a38e0cdf19872538d6d138d160b094911cac0183
AgentTesla
449947dedfa89870f0f4d5dc86edc66c4656a6f94504167bbe4f803cd5c16076
AgentTesla
4ed2a8e2291ca6f9684acf27a278a2667b703af3c4c67f9bc92eeddb6dede245
AgentTesla
6a3bc2efcecdd25c5257e19e630b5785dc9e8ebb259773d40d2fc4c19e377285
AgentTesla
8b2a9586bcf26045ba196d4714d8c628feb5d8eed4604ff82c6e3625b67a9437
AgentTesla
ae50c62b53bbc6a13083d2940285b2fa57ed71a53c3c28dbe867539d50a3bec4
AgentTesla
b8affa2c64dd1a3661fd9ea46581ea09b733871562c2d080f2c81923e7275961
AgentTesla
cc4fdb08add53fb88359e79433559140f40f61edd79058e62a83a7ae1761093a
AgentTesla
ccc2705cc016a910af89b39b5beeca2885eedd714cca5ab153b416c201d0ea96
AgentTesla
+ 5'351 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/230719-hgxcdshb2z/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Program crash
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:
45b5a61e4a8f4025d3e94f407c0e84a2cde427a918f2a5446278e22117da1d4c
MD5 hash:
ca775551666be768a9241f43eec98b87
SHA1 hash:
fbbd937067a24c48ee5274d3fa2881a991e64f3c
Link:
https://www.unpac.me/results/a7562fab-6a8c-496a-905a-3dbd23923a16/
SH256 hash:
53f2ad060cf771aa4f197df5789cee95959480c244a0b392bb450c8ce7311d77
MD5 hash:
37e82d3e2864e27b34f5fbacaea759c3
SHA1 hash:
a87024a466e052bff09a170bb8c6f374f6c84c32
Link:
https://www.unpac.me/results/a7562fab-6a8c-496a-905a-3dbd23923a16/
SH256 hash:
4ab7692279a42b6f38bbe0efeda6634a2b4fa0d0cb7da1228532b7a9ace6f55c
MD5 hash:
b6d75a5c60fbf6654b04ea34d78cdd53
SHA1 hash:
a78263a3a45d69dec5408750f41d4f0b5fe4e305
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/a7562fab-6a8c-496a-905a-3dbd23923a16/
Parent samples :
ae50c62b53bbc6a13083d2940285b2fa57ed71a53c3c28dbe867539d50a3bec4
327a8152267ef86944cbbba1a38e0cdf19872538d6d138d160b094911cac0183
2c4d72ac436fbd83a5e3138bd493bee423663f054dfbbc55c5cc50e13f5723f2
cc4fdb08add53fb88359e79433559140f40f61edd79058e62a83a7ae1761093a
f591f3b46cc1844550906abe587a1d82b96b37bac5621c1937ab8b0552258417
SH256 hash:
16614352cfbd2dbab942aef8b55125586434b713b7db8e098ac57d8bada3a329
MD5 hash:
a0df7d4eeff6cb37f77136c8c62ccf90
SHA1 hash:
0c791242bd90be36d2c3bf733e2c9481739276d0
Link:
https://www.unpac.me/results/a7562fab-6a8c-496a-905a-3dbd23923a16/
SH256 hash:
f591f3b46cc1844550906abe587a1d82b96b37bac5621c1937ab8b0552258417
MD5 hash:
a95f9a75b4460b7983279a879c9ec0f9
SHA1 hash:
b2d50a2baca82a5a900a0cdc83921ee33ec5f558
Link:
https://www.unpac.me/results/a7562fab-6a8c-496a-905a-3dbd23923a16/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f591f3b46cc1/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/f591f3b46cc1844550906abe587a1d82b96b37bac5621c1937ab8b0552258417

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:AgentTeslaV4
Create hunting rule
Author:Rony (r0ny_123)
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:MSIL_SUSP_OBFUSC_XorStringsNet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
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 f591f3b46cc1844550906abe587a1d82b96b37bac5621c1937ab8b0552258417

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2676394/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/424506/

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