MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6238e191d91549d630dc1b2132c2d9bb184a4c01add302a6bdaa4caa5c0a040a. 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: 10


Intelligence 10 IOCs 1 YARA 4 File information Comments

SHA256 hash: 6238e191d91549d630dc1b2132c2d9bb184a4c01add302a6bdaa4caa5c0a040a
SHA3-384 hash: 7f624b99bd891df00296743b5e9bee8f734575ca02557acb0dfc1776cad2d18f69feb0ce517bac51e904d2e1f02b5997
SHA1 hash: d3704f2dec752b2d8e816cf1a433d53e4295a5a0
MD5 hash: 7ee5c82209d63f7a448691f304d8f0c0
humanhash: lima-fillet-sierra-oven
File name:MT0678813.exe
Download: download sample
Signature AgentTesla
File size:177'152 bytes
First seen:2022-06-20 14:54:29 UTC
Last seen:2022-06-20 19:52:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 384:LLfyKL1goAcfskkyk0en3xyuGoNPXzeXNoqjroor64oS3Z0x:LLlgWN2GoBeXNoq/oor64o8Zu
Threatray 18'193 similar samples on MalwareBazaar
TLSH T165046D5FED04AC8CCA7509FB2B35C3406D687E42AE1F46DD238CF68B8272545663C6E9
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 00ecd0f0f0d0c400 (9 x AgentTesla, 2 x BluStealer, 1 x SnakeKeylogger)
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla C2:
http://62.197.136.167/flip/inc/1cd1e844dad621.php

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://62.197.136.167/flip/inc/1cd1e844dad621.php https://threatfox.abuse.ch/ioc/717126/

Intelligence


File Origin
# of uploads :
3
# of downloads :
272
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %temp% subdirectories
Enabling the 'hidden' option for files in the %temp% directory
Reading critical registry keys
Sending an HTTP POST request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Unauthorized injection to a system process
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.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for URL or domain
Creates multiple autostart registry keys
Document exploit detected (process start blacklist hit)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Injects files into Windows application
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 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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 648910 Sample: MT0678813.exe Startdate: 20/06/2022 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Antivirus detection for URL or domain 2->51 53 6 other signatures 2->53 7 MT0678813.exe 16 7 2->7         started        12 Rvkkghcc.exe 14 2 2->12         started        14 excel.exe 4 2->14         started        16 2 other processes 2->16 process3 dnsIp4 45 www.sanipass-solutions.fr 164.132.235.17, 49741, 49758, 49762 OVHFR France 7->45 35 C:\Users\user\AppData\...\Rvkkghcc.exe, PE32 7->35 dropped 37 C:\Users\...\Rvkkghcc.exe:Zone.Identifier, ASCII 7->37 dropped 39 C:\Users\user\AppData\...\MT0678813.exe.log, ASCII 7->39 dropped 63 Creates multiple autostart registry keys 7->63 65 Writes to foreign memory regions 7->65 67 Injects a PE file into a foreign processes 7->67 18 InstallUtil.exe 16 4 7->18         started        23 cmd.exe 1 7->23         started        69 Multi AV Scanner detection for dropped file 12->69 71 Machine Learning detection for dropped file 12->71 73 Document exploit detected (process start blacklist hit) 14->73 75 Injects files into Windows application 14->75 25 conhost.exe 14->25         started        27 conhost.exe 16->27         started        file5 signatures6 process7 dnsIp8 41 62.197.136.167, 49759, 49780, 80 SPRINTLINKUS Netherlands 18->41 43 192.168.2.1 unknown unknown 18->43 33 C:\Users\user\AppData\Local\...\excel.exe, PE32 18->33 dropped 55 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->55 57 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->57 59 Tries to steal Mail credentials (via file / registry access) 18->59 61 6 other signatures 18->61 29 conhost.exe 23->29         started        31 timeout.exe 1 23->31         started        file9 signatures10 process11
Threat name:
Win32.Trojan.Pwsx
Status:
Malicious
First seen:
2022-06-20 14:55:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer suricata trojan
Behaviour
Delays execution with timeout.exe
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
AgentTesla
suricata: ET MALWARE AgentTesla Communicating with CnC Server
Malware Config
C2 Extraction:
http://62.197.136.167/flip/inc/1cd1e844dad621.php
Unpacked files
SH256 hash:
6238e191d91549d630dc1b2132c2d9bb184a4c01add302a6bdaa4caa5c0a040a
MD5 hash:
7ee5c82209d63f7a448691f304d8f0c0
SHA1 hash:
d3704f2dec752b2d8e816cf1a433d53e4295a5a0
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:exploit_any_poppopret
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
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