MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a08f4d1ae49bdf31dd619d68869091c84037c093977b40c28aa7863e458f53f. 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 5 File information Comments

SHA256 hash: 1a08f4d1ae49bdf31dd619d68869091c84037c093977b40c28aa7863e458f53f
SHA3-384 hash: d4fe138fdc8a88f9a77a849ba36e8122603a2652077d9fc5f5621ffa8179b3da56688d0b46e036d0202653e997686f50
SHA1 hash: a828e08d2fb849c7a9e5f3587812bab56fc19f52
MD5 hash: fb81f2afcd1dd281de355a9a23ceabe5
humanhash: north-virginia-alpha-violet
File name:Re DIMMER SRL - Oferta PAGET C+A 09.07_pdf.exe
Download: download sample
Signature AgentTesla
File size:16'896 bytes
First seen:2022-09-08 06:39:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 96:I6wwbWs4LqrBziL2ZV1opn3YUzIlJCThsMeKFUIfzNt:kg0L5IVCd3YUziJ2hyvO
Threatray 19'255 similar samples on MalwareBazaar
TLSH T11172910273E8CBA9EEE617B9B9A303410677FE41B420CE2DD4D4725E5DB53C209926E3
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 991d754d4d554569 (4 x Formbook, 1 x AgentTesla)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
316
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Re DIMMER SRL - Oferta PAGET C+A 09.07_pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-09-08 06:41:21 UTC
Tags:
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
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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, AsyncRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Encrypted powershell cmdline option found
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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 AsyncRAT
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected MSILDownloaderGeneric
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 699448 Sample: Re DIMMER SRL - Oferta PAGE... Startdate: 08/09/2022 Architecture: WINDOWS Score: 100 50 Malicious sample detected (through community Yara rule) 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 Yara detected AgentTesla 2->54 56 14 other signatures 2->56 7 Re DIMMER SRL - Oferta PAGET C+A 09.07_pdf.exe 16 7 2->7         started        12 Lelvq.exe 14 3 2->12         started        14 Lelvq.exe 2 2->14         started        process3 dnsIp4 34 cdn.discordapp.com 162.159.134.233, 443, 49706 CLOUDFLARENETUS United States 7->34 26 C:\Users\user\AppData\Roaming\...\Lelvq.exe, PE32 7->26 dropped 28 C:\Users\user\...\Lelvq.exe:Zone.Identifier, ASCII 7->28 dropped 30 Re DIMMER SRL - Of...A 09.07_pdf.exe.log, ASCII 7->30 dropped 58 Encrypted powershell cmdline option found 7->58 60 Injects a PE file into a foreign processes 7->60 16 Re DIMMER SRL - Oferta PAGET C+A 09.07_pdf.exe 2 7->16         started        20 powershell.exe 16 7->20         started        36 162.159.129.233, 443, 49716 CLOUDFLARENETUS United States 12->36 38 192.168.2.1 unknown unknown 12->38 62 Multi AV Scanner detection for dropped file 12->62 64 Machine Learning detection for dropped file 12->64 22 powershell.exe 12->22         started        40 162.159.133.233, 443, 49718 CLOUDFLARENETUS United States 14->40 file5 signatures6 process7 dnsIp8 32 api.telegram.org 149.154.167.220, 443, 49719 TELEGRAMRU United Kingdom 16->32 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->42 44 Tries to steal Mail credentials (via file / registry access) 16->44 46 Tries to harvest and steal ftp login credentials 16->46 48 Tries to harvest and steal browser information (history, passwords, etc) 16->48 24 conhost.exe 20->24         started        signatures9 process10
Threat name:
ByteCode-MSIL.Downloader.PsDownload
Status:
Malicious
First seen:
2022-09-07 13:17:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
18 of 26 (69.23%)
Threat level:
  3/5
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 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
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/bot5573324852:AAHIZ4Q-DwFDzqPmvNO-b6oPMlnlWj8EfMY/sendDocument
Unpacked files
SH256 hash:
1a08f4d1ae49bdf31dd619d68869091c84037c093977b40c28aa7863e458f53f
MD5 hash:
fb81f2afcd1dd281de355a9a23ceabe5
SHA1 hash:
a828e08d2fb849c7a9e5f3587812bab56fc19f52
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:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_Discord_Attachments_URL
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an Discord Attachments URL. This is often used by Malware to download further payloads
Rule name:SUSP_PE_Discord_Attachment_Oct21_1
Author:Florian Roth
Description:Detects suspicious executable with reference to a Discord attachment (often used for malware hosting on a legitimate FQDN)
Reference:Internal Research

File information


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

Malspam

AgentTesla

Executable exe 1a08f4d1ae49bdf31dd619d68869091c84037c093977b40c28aa7863e458f53f

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments