MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d427c7aa883916f8c251c. 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: 11


Intelligence 11 IOCs 1 YARA 3 File information Comments

SHA256 hash: fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d427c7aa883916f8c251c
SHA3-384 hash: 0932fa1bce876e3bf7a74c8309671aa2ec06a262fb9a456eb33cb9aed1cb33a6e148546821f9ee6ddd7491327c2820c5
SHA1 hash: 19dad72451cb471f9762a6a7c72e57f2f17197bf
MD5 hash: 10dcb9e5aabe78f2bf22481b70658d15
humanhash: beryllium-arizona-alanine-bravo
File name:fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe
Download: download sample
Signature AgentTesla
File size:1'506'816 bytes
First seen:2022-10-03 09:35:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:pnjoI3rQqH/jnWZQzjFeM6DJOjB9sTTHyodgEGqURVOpsc534IToHIRiBOaIOvkz:hLHbnYQb6VO9RSscqNc
Threatray 19'588 similar samples on MalwareBazaar
TLSH T1D4654BF4A0AF08E5E8075DC1597CBDE6467275F3CDC80960137DB6048FBB9AA6E0858E
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon ae53d212dbc8ccca (2 x SnakeKeylogger, 2 x AgentTesla, 1 x RemcosRAT)
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla C2:
http://45.155.165.63/3ip/inc/523ecb38582a9c.php

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://45.155.165.63/3ip/inc/523ecb38582a9c.php https://threatfox.abuse.ch/ioc/866126/

Intelligence


File Origin
# of uploads :
1
# of downloads :
272
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Сreating synchronization primitives
Sending an HTTP POST request
Creating a window
Setting a keyboard event handler
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
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 Costura Assembly Loader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 714887 Sample: fc23a4a16e5f2ad4467d969f7a5... Startdate: 03/10/2022 Architecture: WINDOWS Score: 100 32 Snort IDS alert for network traffic 2->32 34 Multi AV Scanner detection for domain / URL 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 7 other signatures 2->38 6 fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe 1 4 2->6         started        10 offi.exe 1 2->10         started        12 offi.exe 2->12         started        process3 file4 24 C:\Users\user\AppData\Roaming\doc\offi.exe, PE32 6->24 dropped 26 C:\Users\user\...\offi.exe:Zone.Identifier, ASCII 6->26 dropped 28 fc23a4a16e5f2ad446...9d3d33ef3d4.exe.log, ASCII 6->28 dropped 40 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->40 42 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->42 44 Injects a PE file into a foreign processes 6->44 14 fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d4.exe 15 2 6->14         started        46 Antivirus detection for dropped file 10->46 48 Multi AV Scanner detection for dropped file 10->48 50 Machine Learning detection for dropped file 10->50 18 offi.exe 14 2 10->18         started        20 offi.exe 2 12->20         started        22 offi.exe 12->22         started        signatures5 process6 dnsIp7 30 45.155.165.63, 49708, 49709, 49710 AGROSVITUA Russian Federation 14->30 52 Installs a global keyboard hook 14->52 54 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->54 56 Tries to steal Mail credentials (via file / registry access) 20->56 58 Tries to harvest and steal ftp login credentials 20->58 60 Tries to harvest and steal browser information (history, passwords, etc) 20->60 signatures8
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-10-03 09:36:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
18 of 25 (72.00%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Malware Config
C2 Extraction:
http://45.155.165.63/3ip/inc/523ecb38582a9c.php
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
a6acfe617040a5005be0d1675756dc9f09596d3bb2bb3ebc8a2c6881b8c4cfd7
MD5 hash:
db843358b89f4074346cab346720ab06
SHA1 hash:
94d77a5f2d66f20baf557ad30c3ab284665980d9
SH256 hash:
81fd314b2501d6c4edc81ea5e273ce409070818e76a42cc2899a11e3d67ebf67
MD5 hash:
a61750464d306b0833a246ed5b6f473d
SHA1 hash:
7c9f2514db14875ebb8fdf1ed816fce59f1b039f
SH256 hash:
63500cd11953ba9d8e961750f2588a36af59eeb6adf56c4be466936342987810
MD5 hash:
d2b77c74105155424ca0fcc17429a35b
SHA1 hash:
784b03800de5d8993a1e0d7b6adc6a23ef5402f4
SH256 hash:
fc23a4a16e5f2ad4467d969f7a53b5a67d9d3d33ef3d427c7aa883916f8c251c
MD5 hash:
10dcb9e5aabe78f2bf22481b70658d15
SHA1 hash:
19dad72451cb471f9762a6a7c72e57f2f17197bf
Malware family:
AgentTesla.v3
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments