MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ff35e95ff9ded617358d381b1a6ff7ad41b91a72ed823c827c756884a1c0c802. 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 3 File information Comments

SHA256 hash: ff35e95ff9ded617358d381b1a6ff7ad41b91a72ed823c827c756884a1c0c802
SHA3-384 hash: 64b8a5f13cff7b5cdbf2b53a534677254f5a0bd767176d1334fd2a081e709d0348e8121ec49f0f189ea933bcf690b975
SHA1 hash: c6a47777fe3078408471497087c3df23b3c39997
MD5 hash: 83979988b7eee53f987fd8ed71d3147f
humanhash: nevada-purple-failed-foxtrot
File name:rJASBillOfLading-TPE36494384_PDF.exe
Download: download sample
Signature AgentTesla
File size:380'928 bytes
First seen:2023-12-08 13:21:26 UTC
Last seen:2023-12-08 15:32:29 UTC
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:ax0VDXxQyrWwyJkeY+Js0OdOM2nY8U/MI6Cv1QBRc++dYB6ZZY32fX/pnneU5jk:y0VLxQyrWscT+8U/+
Threatray 3'917 similar samples on MalwareBazaar
TLSH T19F8439DDBF450A53CB9F6AFB904A8B02B7648546BE03E34F64B0DE540DC63859A293D3
TrID 40.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
32.2% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
7.3% (.SCR) Windows screen saver (13097/50/3)
5.8% (.EXE) Win64 Executable (generic) (10523/12/4)
3.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
File icon (PE):PE icon
dhash icon ecdcc8e8e0f8cca2 (1 x AgentTesla)
Reporter FXOLabs
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
283
Origin country :
BR BR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Sending a custom TCP request
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
DNS request
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
91%
Tags:
masquerade
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, PureLog Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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 Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1356245 Sample: rJASBillOfLading-TPE3649438... Startdate: 08/12/2023 Architecture: WINDOWS Score: 100 30 mailbuilderbuilder.com 2->30 32 api4.ipify.org 2->32 34 api.ipify.org 2->34 44 Multi AV Scanner detection for domain / URL 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 9 other signatures 2->50 7 rJASBillOfLading-TPE36494384_PDF.exe 16 5 2->7         started        12 Gvcvmdubbv.exe 14 5 2->12         started        14 Gvcvmdubbv.exe 2 2->14         started        signatures3 process4 dnsIp5 36 103.228.36.104, 49700, 49708, 49709 INFONET-AS-INInfonetonlinesolutionsprivatelimitedIN India 7->36 22 C:\Users\user\AppData\...behaviorgraphvcvmdubbv.exe, PE32 7->22 dropped 52 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->52 54 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->54 56 Injects a PE file into a foreign processes 7->56 16 rJASBillOfLading-TPE36494384_PDF.exe 2 7->16         started        58 Multi AV Scanner detection for dropped file 12->58 20 Gvcvmdubbv.exe 2 12->20         started        file6 signatures7 process8 dnsIp9 24 mailbuilderbuilder.com 34.154.74.85, 49707, 49714, 587 ATGS-MMD-ASUS United States 16->24 26 api4.ipify.org 173.231.16.77, 443, 49706 WEBNXUS United States 16->26 28 104.237.62.212, 443, 49713 WEBNXUS United States 20->28 38 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->38 40 Tries to steal Mail credentials (via file / registry access) 20->40 42 Tries to harvest and steal browser information (history, passwords, etc) 20->42 signatures10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-12-08 02:20:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
13 of 23 (56.52%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
ff35e95ff9ded617358d381b1a6ff7ad41b91a72ed823c827c756884a1c0c802
MD5 hash:
83979988b7eee53f987fd8ed71d3147f
SHA1 hash:
c6a47777fe3078408471497087c3df23b3c39997
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:NET
Author:malware-lu
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 ff35e95ff9ded617358d381b1a6ff7ad41b91a72ed823c827c756884a1c0c802

(this sample)

  
Delivery method
Distributed via e-mail attachment

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