MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 506cd82114715316ac634852726575bca6bbb040ddef761d253cc6e26562330f. 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: 506cd82114715316ac634852726575bca6bbb040ddef761d253cc6e26562330f
SHA3-384 hash: 38e61d576acc37841423a5f360200e52db08321ae611cfaa87266847051bc59191b6b4af39061c3c5a86e13815552909
SHA1 hash: 1cb8a71e0b16e1f69699e47b177f650cbac1de72
MD5 hash: ecba5fa0fffd2e9dbdbc43d93df14547
humanhash: uncle-asparagus-purple-apart
File name:fatura64383,pdf.exe
Download: download sample
Signature AgentTesla
File size:499'825 bytes
First seen:2023-01-30 09:04:02 UTC
Last seen:2023-01-30 18:26:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 431 x GuLoader)
ssdeep 6144:8Ya69pFXx6GWXDQIExMQFrotH3Pjg/sICQGNW2vSZxmwxds5W:8YXpFXx7WXDQIOFrG72CQGNWESZjds5W
Threatray 20'200 similar samples on MalwareBazaar
TLSH T121B4F8C118CFC41EC35E3633A5A0C52968D4CA326457632DB31ABF8EF43B74A574E6A9
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 f0f0e84dc4e4e4f8 (5 x SnakeKeylogger, 4 x AgentTesla, 1 x a310Logger)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
5
# of downloads :
187
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
fatura64383,pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-01-30 09:19:58 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
Reading critical registry keys
Сreating synchronization primitives
DNS request
Sending a custom TCP request
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
Stealing user critical data
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
No Threat
Threat level:
  2/10
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
Creates multiple autostart registry keys
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Maps a DLL or memory area into another process
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 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: 794156 Sample: fatura64383,pdf.exe Startdate: 30/01/2023 Architecture: WINDOWS Score: 100 46 Snort IDS alert for network traffic 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 Yara detected Telegram RAT 2->50 52 2 other signatures 2->52 7 fatura64383,pdf.exe 19 2->7         started        10 ptyvwpsmhgptqy.exe 2->10         started        13 ptyvwpsmhgptqy.exe 2->13         started        process3 file4 28 C:\Users\user\AppData\Local\...\mvvsznzlov.o, DOS 7->28 dropped 30 C:\Users\user\AppData\Local\...\grhzapwvm.exe, PE32 7->30 dropped 15 grhzapwvm.exe 1 2 7->15         started        62 Multi AV Scanner detection for dropped file 10->62 19 WerFault.exe 3 10 10->19         started        21 WerFault.exe 10 13->21         started        signatures5 process6 dnsIp7 32 C:\Users\user\AppData\...\ptyvwpsmhgptqy.exe, PE32 15->32 dropped 38 Multi AV Scanner detection for dropped file 15->38 40 Detected unpacking (creates a PE file in dynamic memory) 15->40 42 Detected unpacking (overwrites its own PE header) 15->42 44 5 other signatures 15->44 24 grhzapwvm.exe 17 3 15->24         started        34 192.168.2.1 unknown unknown 21->34 file8 signatures9 process10 dnsIp11 36 api.telegram.org 149.154.167.220, 443, 49716 TELEGRAMRU United Kingdom 24->36 54 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->54 56 Tries to steal Mail credentials (via file / registry access) 24->56 58 Creates multiple autostart registry keys 24->58 60 Tries to harvest and steal browser information (history, passwords, etc) 24->60 signatures12
Threat name:
Win32.Trojan.Nemesis
Status:
Malicious
First seen:
2023-01-30 07:55:35 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
14 of 26 (53.85%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
collection persistence spyware stealer
Behaviour
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
Executes dropped EXE
Unpacked files
SH256 hash:
a4b15d52cd2023984675989885558ee3a3f1861f19e5a6e70c739cb7ab2d292b
MD5 hash:
6d916d831c705c438836414c982b111c
SHA1 hash:
69aac11469c139fa20244a9d13d8483d93e4fc16
SH256 hash:
7090e3ba77e440a8f28a951a1cdfdfdf05cc58c744b0a3ecb14b09b53d9d2df0
MD5 hash:
77c5567cd09996c4514e74789fb6bd1d
SHA1 hash:
4dae38d3ca3692dc7c5cae8c9525095cea7ac0b5
SH256 hash:
e88a481258239e9f6b3f11389e7f9d0945b08c89161b13cf7d0a170f22835b33
MD5 hash:
cce9c55b58a35735c66a5c5a38f0e468
SHA1 hash:
42334a981e2eea6921856954325cf5586f5959b9
SH256 hash:
506cd82114715316ac634852726575bca6bbb040ddef761d253cc6e26562330f
MD5 hash:
ecba5fa0fffd2e9dbdbc43d93df14547
SHA1 hash:
1cb8a71e0b16e1f69699e47b177f650cbac1de72
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: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 506cd82114715316ac634852726575bca6bbb040ddef761d253cc6e26562330f

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments