MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3735e53d6bd12bc0dad5af1f6e67a6edf728f45cddbeb1d3ea0caf09c16fe04. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: b3735e53d6bd12bc0dad5af1f6e67a6edf728f45cddbeb1d3ea0caf09c16fe04
SHA3-384 hash: ceff210915f5312b5c81d494ab084b29753d4afdd88d796c575f48cf886d419113cf6c53fb05b8616d22ea6e9e7f6deb
SHA1 hash: fbd38393b171712b0b944e512f92e9778d884f10
MD5 hash: f93e56f59bcb14ced89778ca311ed51e
humanhash: arizona-avocado-may-steak
File name:SecuriteInfo.com.Win32.RATX-gen.6711.1335
Download: download sample
Signature AgentTesla
File size:1'199'616 bytes
First seen:2022-11-25 07:33:44 UTC
Last seen:2022-12-03 09:53:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:/SR22mYaeMGimDjaDluNDGEJ/CJE+q4Nd+K3MfAeRD5LnEU:/atYGioeDOjJCys80eFJE
Threatray 20'243 similar samples on MalwareBazaar
TLSH T1DE45EFE0D04B900DCAF826FA0635637FCF5B6C707CE86AE92BC739BB4AB2955254D501
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 00ecd0f8e8d0c400 (4 x SnakeKeylogger, 2 x Formbook, 2 x AgentTesla)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
255
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
M.V HONG KONG SPIRIT.rar
Verdict:
Malicious activity
Analysis date:
2022-11-25 07:33:43 UTC
Tags:
agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
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
Encrypted powershell cmdline option found
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)
May check the online IP address of the machine
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)
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 753700 Sample: SecuriteInfo.com.Win32.RATX... Startdate: 25/11/2022 Architecture: WINDOWS Score: 100 52 api.telegram.org 2->52 62 Snort IDS alert for network traffic 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 Antivirus / Scanner detection for submitted sample 2->66 68 7 other signatures 2->68 8 SecuriteInfo.com.Win32.RATX-gen.6711.1335.exe 1 5 2->8         started        12 Jogwfb.exe 2 2->12         started        14 Jogwfb.exe 1 2->14         started        signatures3 process4 file5 36 C:\Users\user\AppData\Roaming\...\Jogwfb.exe, PE32 8->36 dropped 38 C:\Users\user\...\Jogwfb.exe:Zone.Identifier, ASCII 8->38 dropped 40 SecuriteInfo.com.W...n.6711.1335.exe.log, ASCII 8->40 dropped 70 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->70 72 May check the online IP address of the machine 8->72 74 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->74 76 Injects a PE file into a foreign processes 8->76 16 SecuriteInfo.com.Win32.RATX-gen.6711.1335.exe 15 3 8->16         started        20 powershell.exe 16 8->20         started        78 Antivirus detection for dropped file 12->78 80 Multi AV Scanner detection for dropped file 12->80 82 Machine Learning detection for dropped file 12->82 22 Jogwfb.exe 12->22         started        24 powershell.exe 12->24         started        26 Jogwfb.exe 12->26         started        84 Encrypted powershell cmdline option found 14->84 28 powershell.exe 14->28         started        signatures6 process7 dnsIp8 42 api.telegram.org 149.154.167.220, 443, 49722, 49725 TELEGRAMRU United Kingdom 16->42 44 api.ipify.org.herokudns.com 3.232.242.170, 443, 49718 AMAZON-AESUS United States 16->44 46 api.ipify.org 16->46 54 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->54 56 Tries to steal Mail credentials (via file / registry access) 16->56 58 Tries to harvest and steal ftp login credentials 16->58 60 2 other signatures 16->60 30 conhost.exe 20->30         started        48 54.91.59.199, 443, 49724 AMAZON-AESUS United States 22->48 50 api.ipify.org 22->50 32 conhost.exe 24->32         started        34 conhost.exe 28->34         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-11-25 07:34:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
24 of 41 (58.54%)
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
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:
https://api.telegram.org/bot1897716112:AAEAtOCkOV8umHBB93Og24bkiIdUKReGK44/
Unpacked files
SH256 hash:
3f6dacc0461dfe9de7146ae1acc6b458b83889b4dbf99c3987c60271d81b8e1f
MD5 hash:
de79d6f5a737b5114e00da47ee77ded8
SHA1 hash:
b6affdc9543ec79d8e111cda6ff3b153fee977db
Detections:
AgentTesla
SH256 hash:
a13487d8f4d949f984c243f5ea8046da046a036e49fd1f30c1350c93baeb2f99
MD5 hash:
cef037a53cdf5f958b6b932b5e3340e2
SHA1 hash:
aeb3d96a99d0b1e3905b51dab3dd428871cdcee9
SH256 hash:
b3735e53d6bd12bc0dad5af1f6e67a6edf728f45cddbeb1d3ea0caf09c16fe04
MD5 hash:
f93e56f59bcb14ced89778ca311ed51e
SHA1 hash:
fbd38393b171712b0b944e512f92e9778d884f10
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: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