MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf3631806c04d8c76aff535c2155d6de15bc1ee2ae80dc407ad62e817988692c. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments

SHA256 hash: bf3631806c04d8c76aff535c2155d6de15bc1ee2ae80dc407ad62e817988692c
SHA3-384 hash: 48ab6253fe70728f0fb957ad29a045c1ed2f42cd48a4f00ef55c76662ffbe921c9e13b636bb42aa3fd4232780cf8b2de
SHA1 hash: a566f9131e4fb55da693af46cd3a583ab480d179
MD5 hash: 8d21977592d1613878e6cd169c680e6c
humanhash: freddie-undress-uniform-quiet
File name:cargo details PDF.exe
Download: download sample
Signature AgentTesla
File size:325'632 bytes
First seen:2023-02-27 18:50:08 UTC
Last seen:2023-02-27 20:30:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 429 x GuLoader)
ssdeep 6144:PYa6gP/s2xWLXV5IRKR8LD4GwJzx3412pMf1Gv0K:PYePfYLXV5IY8LDgqg6cv0K
Threatray 959 similar samples on MalwareBazaar
TLSH T1236422149BE2C4A7D5D3C7722D3025DAAFA5B42609B95FCF27509E4E3D32261D70AF02
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 b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter cocaman
Tags:AgentTesla exe payment Shipping

Intelligence


File Origin
# of uploads :
3
# of downloads :
197
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
cargo details PDF.exe
Verdict:
Malicious activity
Analysis date:
2023-02-27 18:51:03 UTC
Tags:
n/a

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
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Reading critical registry keys
Setting a keyboard event handler
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Verdict:
Suspicious
Threat level:
  5/10
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.spyw.evad
Score:
100 / 100
Signature
Contains functionality to register a low level keyboard hook
Creates multiple autostart registry keys
Detected unpacking (creates a PE file in dynamic memory)
Installs a global keyboard hook
Machine Learning detection for sample
Maps a DLL or memory area into another process
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)
Tries to harvest and steal browser information (history, passwords, etc)
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 signatures2 2 Behavior Graph ID: 816306 Sample: cargo details PDF.exe Startdate: 27/02/2023 Architecture: WINDOWS Score: 100 51 Multi AV Scanner detection for submitted file 2->51 53 Yara detected Telegram RAT 2->53 55 Yara detected AgentTesla 2->55 57 2 other signatures 2->57 7 cargo details PDF.exe 19 2->7         started        10 kgpyueaj.exe 2->10         started        13 kgpyueaj.exe 2->13         started        process3 file4 33 C:\Users\user\AppData\Local\...\enqqmibqz.exe, PE32 7->33 dropped 15 enqqmibqz.exe 1 2 7->15         started        67 Multi AV Scanner detection for dropped file 10->67 19 WerFault.exe 3 10 10->19         started        21 WerFault.exe 10 13->21         started        signatures5 process6 file7 35 C:\Users\user\AppData\...\kgpyueaj.exe, PE32 15->35 dropped 43 Multi AV Scanner detection for dropped file 15->43 45 Detected unpacking (creates a PE file in dynamic memory) 15->45 47 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->47 49 5 other signatures 15->49 23 enqqmibqz.exe 17 3 15->23         started        27 enqqmibqz.exe 15->27         started        29 enqqmibqz.exe 15->29         started        31 enqqmibqz.exe 15->31         started        signatures8 process9 dnsIp10 37 api4.ipify.org 173.231.16.76, 443, 49713 WEBNXUS United States 23->37 39 api.telegram.org 149.154.167.220, 443, 49715 TELEGRAMRU United Kingdom 23->39 41 api.ipify.org 23->41 59 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->59 61 Tries to steal Mail credentials (via file / registry access) 23->61 63 Creates multiple autostart registry keys 23->63 65 2 other signatures 23->65 signatures11
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-02-27 02:09:18 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
17 of 25 (68.00%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: MapViewOfSection
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
Executes dropped EXE
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
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5662683474:AAFvSjyPXTiwhBPcFi8of3_-_FCdfhhN8x0/
Unpacked files
SH256 hash:
302042ffd2efec0dae61f6ad84d2ed5f593d6a745489062d08ad71f432c5ede0
MD5 hash:
d4a4483340de89ae7f988f96932a7cc8
SHA1 hash:
77a1a58ffc3883b54f17c175049a238465f61922
SH256 hash:
f0b650cd97198102a907f6ce394c0955fbba45c80eb4a8b5aa4ecd31b7292e70
MD5 hash:
a5d3681999ab68e9a4e0a5aa2d6e076d
SHA1 hash:
5353197561d18734d2f4f59af8badc8b9527f9a4
SH256 hash:
382356089c571c204fe19878308dd066797892ffe4e467cbd396ea95762d25bf
MD5 hash:
b1429e1bf1b9ef90f605497cf7692c17
SHA1 hash:
b6effd4e171eb957bd455fa24b941ca9f6eccef7
SH256 hash:
bf3631806c04d8c76aff535c2155d6de15bc1ee2ae80dc407ad62e817988692c
MD5 hash:
8d21977592d1613878e6cd169c680e6c
SHA1 hash:
a566f9131e4fb55da693af46cd3a583ab480d179
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:pe_imphash
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
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.

Malspam

AgentTesla

Executable exe bf3631806c04d8c76aff535c2155d6de15bc1ee2ae80dc407ad62e817988692c

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 c2b13b11d521af6cec457a3c95d1b8d1978d2bc4152fdd0e415582fd033b44a5

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