MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 663451636c9a3ca0013887bcd4433cce5b890f862e9ba01b94d2060d4d4c0c70. 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 4 File information Comments

SHA256 hash: 663451636c9a3ca0013887bcd4433cce5b890f862e9ba01b94d2060d4d4c0c70
SHA3-384 hash: 38f9e56197ba1d477faec09be988241205a7c02d3ffbad626ad297d09a56fbd5f1482d5191e7d1f7a6687d624b28377c
SHA1 hash: 6062d59129aea7b717296b2c3ee1cc9281945ffb
MD5 hash: 54f371fe39b10632e80c834ddb28e202
humanhash: artist-island-golf-december
File name:SecuriteInfo.com.Variant.Strictor.267077.32285.17804
Download: download sample
Signature AgentTesla
File size:868'864 bytes
First seen:2022-06-03 12:45:32 UTC
Last seen:2022-06-03 13:33:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:GeSYqoo+mBVOX3rBqm204Oltat8H8NM89F:GeSWoR6X31qm2POrWR68
Threatray 17'794 similar samples on MalwareBazaar
TLSH T11805BF802DD886CDD6E706F69C52F300722E7D0E56968F9ABF937704A4B12D14A7938F
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 0f47090c0c0a470f (23 x AgentTesla, 5 x Formbook, 1 x SnakeKeylogger)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
348
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
SecuriteInfo.com.Variant.Strictor.267077.32285.17804
Verdict:
Malicious activity
Analysis date:
2022-06-03 12:52:33 UTC
Tags:
opendir trojan rat agenttesla stealer

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

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-debug anti-vm control.exe obfuscated packed replace.exe
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.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
Document exploit detected (process start blacklist hit)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects files into Windows application
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
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 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 ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 638830 Sample: SecuriteInfo.com.Variant.St... Startdate: 03/06/2022 Architecture: WINDOWS Score: 100 48 Snort IDS alert for network traffic 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Antivirus detection for URL or domain 2->52 54 6 other signatures 2->54 7 SecuriteInfo.com.Variant.Strictor.267077.32285.exe 7 2->7         started        11 excel.exe 2->11         started        13 excel.exe 2->13         started        process3 file4 32 C:\Users\user\AppData\...QtvEPEqPg.exe, PE32 7->32 dropped 34 C:\Users\user\AppData\Local\...\tmpEAEF.tmp, XML 7->34 dropped 36 SecuriteInfo.com.V...67077.32285.exe.log, ASCII 7->36 dropped 56 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->56 58 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->58 60 Uses schtasks.exe or at.exe to add and modify task schedules 7->60 15 SecuriteInfo.com.Variant.Strictor.267077.32285.exe 17 5 7->15         started        20 powershell.exe 25 7->20         started        22 schtasks.exe 1 7->22         started        62 Multi AV Scanner detection for dropped file 11->62 64 Adds a directory exclusion to Windows Defender 11->64 66 Document exploit detected (process start blacklist hit) 11->66 68 Injects files into Windows application 13->68 signatures5 process6 dnsIp7 38 136.144.41.76, 49790, 49798, 80 WORLDSTREAMNL Netherlands 15->38 28 C:\Users\user\AppData\Roaming\...\excel.exe, PE32 15->28 dropped 30 C:\Users\user\...\excel.exe:Zone.Identifier, ASCII 15->30 dropped 40 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->40 42 Tries to steal Mail credentials (via file / registry access) 15->42 44 Tries to harvest and steal ftp login credentials 15->44 46 3 other signatures 15->46 24 conhost.exe 20->24         started        26 conhost.exe 22->26         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Worm.LovGate
Status:
Malicious
First seen:
2022-06-03 11:15:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer suricata trojan
Behaviour
Creates scheduled task(s)
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
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
suricata: ET MALWARE AgentTesla Communicating with CnC Server
Malware Config
C2 Extraction:
http://136.144.41.76/sttwo/inc/bcd1a4ee0cf2c7.php
Unpacked files
SH256 hash:
664e0b633703c57f00aaf4100349678a55e3c843a8a1c0c26d3f6dd901b9b5f8
MD5 hash:
483462f5f38024ceb677edbfae3c3041
SHA1 hash:
ae09e181d4a03b2250a19209eabeb2381977d39d
SH256 hash:
b15db859b0dd5666393ea4d47bf27d1720d5bbf749ffcf52543be0ee7963a253
MD5 hash:
9d3b556cc8f9e35802c0db10a41149aa
SHA1 hash:
90baefe9f28557016858c59b0c58706ffe805877
SH256 hash:
b736ebeeff758088e7d7e875dd7fd901556f5828ed3a7564cfbf5caf68f71d67
MD5 hash:
7724fd71ee331bbd6031c7aa9e6eb8a4
SHA1 hash:
30ac7ba6df3e702387e152931bc9af016f300778
SH256 hash:
879c29560b21be7d9b69ca27ca4756df86e080fa3e34cb191aad5cb1e5f05504
MD5 hash:
30b6a54a992eae921a2eb8c5ea130911
SHA1 hash:
1c83f0319bffe007077c6656418c9b7344d5affe
SH256 hash:
663451636c9a3ca0013887bcd4433cce5b890f862e9ba01b94d2060d4d4c0c70
MD5 hash:
54f371fe39b10632e80c834ddb28e202
SHA1 hash:
6062d59129aea7b717296b2c3ee1cc9281945ffb
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: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