MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b65ce1c907f8cb2e4ed1bc4936bb96e5378bf79df64e7193b682312caef766d. 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: 16


Intelligence 16 IOCs YARA 10 File information Comments 1

SHA256 hash: 6b65ce1c907f8cb2e4ed1bc4936bb96e5378bf79df64e7193b682312caef766d
SHA3-384 hash: 856681b9ad95786b284c227571f28fef313cb1e6d0ce81937a92015c114fa9765aa7531a7c1ec0dfded669de13f030a6
SHA1 hash: 63d6170ecff7087f912de383ad6a955942430078
MD5 hash: fcbf20665e1d447ad4f79c51c05c6d9c
humanhash: august-wolfram-oscar-helium
File name:fcbf20665e1d447ad4f79c51c05c6d9c
Download: download sample
Signature AgentTesla
File size:506'416 bytes
First seen:2023-01-18 20:59:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 12288:aY5Qg+AuoiPDXaAvAD5Ma6smourS5NjUYyEN:aYaVaIAVuod4U
Threatray 20'640 similar samples on MalwareBazaar
TLSH T119B49B7D616348B3F29342FD0D39D9529E755DE028E0848D29BF3EA5463BAAB04FC613
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon ccb2f8d4d4f8b2cc (1 x AgentTesla)
Reporter zbetcheckin
Tags:32 AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
247
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
SecuriteInfo.com.Exploit.MathType-Obfs.Gen.24181.10083
Verdict:
Malicious activity
Analysis date:
2023-01-18 13:31:49 UTC
Tags:
macros ole-embedded loader exploit cve-2017-11882 agenttesla

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

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
No Threat
Threat level:
  10/10
Confidence:
83%
Tags:
overlay packed shell32.dll
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.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the hosts file
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 Generic Downloader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 786917 Sample: 9bttXXiefu.exe Startdate: 18/01/2023 Architecture: WINDOWS Score: 100 32 Snort IDS alert for network traffic 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 5 other signatures 2->38 7 9bttXXiefu.exe 19 2->7         started        10 gafp.exe 2->10         started        process3 file4 26 C:\Users\user\AppData\Local\...\wrvzoblj.exe, PE32 7->26 dropped 13 wrvzoblj.exe 1 2 7->13         started        48 Multi AV Scanner detection for dropped file 10->48 50 Contains functionality to detect sleep reduction / modifications 10->50 17 WerFault.exe 3 10 10->17         started        signatures5 process6 file7 28 C:\Users\user\AppData\Roaming\rdfp\gafp.exe, PE32 13->28 dropped 52 Multi AV Scanner detection for dropped file 13->52 54 Detected unpacking (changes PE section rights) 13->54 56 Detected unpacking (overwrites its own PE header) 13->56 58 4 other signatures 13->58 19 wrvzoblj.exe 15 2 13->19         started        signatures8 process9 dnsIp10 30 api.telegram.org 149.154.167.220, 443, 49714 TELEGRAMRU United Kingdom 19->30 24 C:\Windows\System32\drivers\etc\hosts, ASCII 19->24 dropped 40 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 19->40 42 Tries to steal Mail credentials (via file / registry access) 19->42 44 Tries to harvest and steal ftp login credentials 19->44 46 2 other signatures 19->46 file11 signatures12
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2023-01-18 12:44:07 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
20 of 26 (76.92%)
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 behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
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
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
Executes dropped EXE
AgentTesla payload
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot2134979594:AAFk4QkrlHlt2a-q-EhIoHZBbzxSH0QxiBI/sendDocument
Unpacked files
SH256 hash:
400573925eee66c6904c6c109bf48f6195ba176f1618bf5c684141bd579179f9
MD5 hash:
fb2e59889a877a0bcf0e5b7f09e7a285
SHA1 hash:
de32c703c8b0fe64334fa7b799b0c61952ebdae8
SH256 hash:
6b65ce1c907f8cb2e4ed1bc4936bb96e5378bf79df64e7193b682312caef766d
MD5 hash:
fcbf20665e1d447ad4f79c51c05c6d9c
SHA1 hash:
63d6170ecff7087f912de383ad6a955942430078
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_AgentTesla_d3ac2b2f
Author:Elastic Security
Rule name:win_agent_tesla_ab4444e9
Author:Johannes Bader
Description:detects Agent Tesla
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information


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

Web download

AgentTesla

Executable exe 6b65ce1c907f8cb2e4ed1bc4936bb96e5378bf79df64e7193b682312caef766d

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-01-18 20:59:55 UTC

url : hxxp://192.3.189.141/GIB.exe