MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b47228784086e39923d8ee4ac620e0c5497ffc2af8dc1a8cffa0fe0a47d2b613. 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 5 File information Comments

SHA256 hash: b47228784086e39923d8ee4ac620e0c5497ffc2af8dc1a8cffa0fe0a47d2b613
SHA3-384 hash: d5e382bcf8dbfaaacdbe1326bee011c58eae23a9430c247a4ab18233487c5df00bbcf7f25f9d04bd2fd03d185f604f60
SHA1 hash: 3ea51224a38ea21bc32ecb8eb6c04eed4a2970bc
MD5 hash: 65fa1e4712829fefa40c9e737626f30d
humanhash: colorado-nineteen-gee-nine
File name:Payment Slip 14th.exe
Download: download sample
Signature AgentTesla
File size:313'856 bytes
First seen:2022-06-14 21:18:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:6fubY71cE4H+l2PTxXdp0iVIj2hoRosgYV:6fWs2b9/0zVRoS
TLSH T1B864E1567E98C5A3C4584B30D873E77619B7AEA338148853FE44BF8E3E71B647826834
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 ccdc94a430a0ecf8 (1 x AgentTesla)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
315
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Payment Slip 14th.exe
Verdict:
Malicious activity
Analysis date:
2022-06-14 21:21:33 UTC
Tags:
keylogger stealer agenttesla

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

Behaviour
Searching for the window
Launching a process
Sending an HTTP GET request
Сreating synchronization primitives
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Sending an HTTP GET request to an infection source
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated 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 detection for URL or domain
Executable has a suspicious name (potential lure to open the executable)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 645760 Sample: Payment Slip 14th.exe Startdate: 14/06/2022 Architecture: WINDOWS Score: 100 37 Snort IDS alert for network traffic 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus detection for URL or domain 2->41 43 11 other signatures 2->43 7 Payment Slip 14th.exe 15 3 2->7         started        12 newapp.exe 4 2->12         started        14 newapp.exe 3 2->14         started        process3 dnsIp4 35 2.58.149.2, 49756, 80 GBTCLOUDUS Netherlands 7->35 31 C:\Users\user\...\Payment Slip 14th.exe.log, ASCII 7->31 dropped 53 Writes to foreign memory regions 7->53 55 Injects a PE file into a foreign processes 7->55 16 InstallUtil.exe 16 8 7->16         started        21 powershell.exe 18 7->21         started        23 conhost.exe 12->23         started        25 conhost.exe 14->25         started        file5 signatures6 process7 dnsIp8 33 api.telegram.org 149.154.167.220, 443, 49801, 49806 TELEGRAMRU United Kingdom 16->33 29 C:\Users\user\AppData\Roaming\...\newapp.exe, PE32 16->29 dropped 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->45 47 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->47 49 Tries to steal Mail credentials (via file / registry access) 16->49 51 5 other signatures 16->51 27 conhost.exe 21->27         started        file9 signatures10 process11
Threat name:
Win32.Dropper.Generic
Status:
Suspicious
First seen:
2022-06-14 09:40:55 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
7 of 40 (17.50%)
Threat level:
  3/5
Verdict:
malicious
Label(s):
agenttesla
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
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5421147975:AAGrsGnLOHZfFv7yHuj3hZdQSOVmPodIAVI/sendDocument
Unpacked files
SH256 hash:
b47228784086e39923d8ee4ac620e0c5497ffc2af8dc1a8cffa0fe0a47d2b613
MD5 hash:
65fa1e4712829fefa40c9e737626f30d
SHA1 hash:
3ea51224a38ea21bc32ecb8eb6c04eed4a2970bc
Malware family:
AgentTesla
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:INDICATOR_EXE_Packed_SmartAssembly
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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.

Malspam

AgentTesla

Executable exe b47228784086e39923d8ee4ac620e0c5497ffc2af8dc1a8cffa0fe0a47d2b613

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments