MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb306fbcb97613c5f71e7e2ba7787dbc12734cd722c54518c48cd216d1a01b17. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fb306fbcb97613c5f71e7e2ba7787dbc12734cd722c54518c48cd216d1a01b17
SHA3-384 hash: ed9ad52225b4b1a1c8f0bfd066927ef4cb980ee251de32e005d55f2cc319d1d8e70b2ea4cafb707e8f1da1717cdc7ce6
SHA1 hash: bf326e1f63ea0ca27ec757eb8dead944ac2501ce
MD5 hash: 584cda82ad7a50ced635191c21323794
humanhash: alabama-ohio-equal-washington
File name:R F Q.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:681'984 bytes
First seen:2023-05-24 11:04:06 UTC
Last seen:2023-06-05 12:14:47 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:Hi9iTB2QwN/oMVf7HvIEt0IIjuywwQRAHjAA:Fu7PV0I9yAA
Threatray 3'108 similar samples on MalwareBazaar
TLSH T177E4313D6CB61D239438FA9E86D47027B5298B23B74F4A25C3C357863A2D82777C216D
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 threatcat_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
6
# of downloads :
277
Origin country :
CH CH
Vendor Threat Intelligence
Detection:
XorStringsNET
Create hunting rule
Link:
https://www.capesandbox.com/analysis/391136/
Detection(s):
Sanesecurity.Rogue.0hr.20230522-1936.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Sending a custom TCP request
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
comodo packed remcos
Link:
https://www.filescan.io/uploads/646def5f81bccac79df73441/reports/6d8ff962-785b-4af8-862f-782d42531c92/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/fb306fbcb97613c5f71e7e2ba7787dbc12734cd722c54518c48cd216d1a01b17
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/8a493ece-b346-489a-a4cb-572fefeeb92b
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1241542
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large strings
Allocates memory in foreign processes
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fb306fbcb97613c5f71e7e2ba7787dbc12734cd722c54518c48cd216d1a01b17/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-05-22 16:33:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7myg7pfzoyj4l5y6pyv2o6d5xqjhgtgxelcukggertjbnunadmlq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
207101f6912ab3d1db4eb31783037685cade90fbc6ed91dffc1c53138b8436ff
AgentTesla
45724089400b978774c70254e03cacf1df986161104c4a5691af5d9eff8f46c1
AgentTesla
6ff0433a9bb7d6a3a7dd345dbf1c12850ec13d3e72898815ed595c9605752dbe
AgentTesla
74d26f4b119393b4528ff36ae1ed9ddf2fd9b6e36f3dbd9c7456ad692687905c
AgentTesla
8067342812e8fee9dc78b51e57c8c9402598bbfa7742355e2e58bc77ce6be38d
AgentTesla
89aac1da79c39c6dca27fbd441600f2fc6b72e051d3e31e6c6738f4fa84698b8
AgentTesla
aafc668d03f2fa59132b86a640f41eac2d2221053152524d99fcc61b7a56c5e4
AgentTesla
adbfb6e8fe8258eb1f95f737e75c5b28e42cfd901f3733c1748189efca49a2f1
AgentTesla
d1e8e37069c510b2fbd087386e0d25d5641a1726aa9f99530f531ace16927ba9
AgentTesla
+ 3'098 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/230524-m6tp1scg31/
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
AgentTesla
Unpacked files
SH256 hash:
a7e471f7bc560488312d57e885bb4cfc423587a0d84abbb3073a820f7cd0e209
MD5 hash:
e7709a907be0cdb6ff7eb99daee97c6c
SHA1 hash:
bb3f6871c40f54070b53947bf6958d410ea8bac1
Link:
https://www.unpac.me/results/6e04df84-61e1-4145-87b0-4c589693f031/
SH256 hash:
47de093dc340d1fcb3f6f9f6a06532d8153ec9a93203ede03e0a1800795ef6c2
MD5 hash:
3103841a51b96306cc35c393f6a4f797
SHA1 hash:
50e3898feb3decb8fc5f2cf78da3c57aa7432c7e
Link:
https://www.unpac.me/results/6e04df84-61e1-4145-87b0-4c589693f031/
SH256 hash:
4e657e88d634dc1d1562b5f3e80c688068fcdb1b4d847bbccdda8d89789a3641
MD5 hash:
00aa26d16c4a94a8ebf37d7306f35e4e
SHA1 hash:
0fca5fcd23f1aef42afffb27aa78e1a5c16d1f1d
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/6e04df84-61e1-4145-87b0-4c589693f031/
Parent samples :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 hash:
fb306fbcb97613c5f71e7e2ba7787dbc12734cd722c54518c48cd216d1a01b17
MD5 hash:
584cda82ad7a50ced635191c21323794
SHA1 hash:
bf326e1f63ea0ca27ec757eb8dead944ac2501ce
Link:
https://www.unpac.me/results/6e04df84-61e1-4145-87b0-4c589693f031/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fb306fbcb976/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.97
Link:
https://yomi.yoroi.company/submissions/fb306fbcb97613c5f71e7e2ba7787dbc12734cd722c54518c48cd216d1a01b17

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: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.

Malspam

AgentTesla

zip 1922d1a2c9ed339c8d1ddaf5809426cd5bf426eb28def26128fd3579e51c96e6

AgentTesla

Executable exe fb306fbcb97613c5f71e7e2ba7787dbc12734cd722c54518c48cd216d1a01b17

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/391136/
  
Dropped by
SHA256 1922d1a2c9ed339c8d1ddaf5809426cd5bf426eb28def26128fd3579e51c96e6
  
Dropped by
MD5 954731ec7e7154d8589e3b0740a8f38b

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