MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e03f7cbee9ba8443d200f1bcc47101185dcdc27b965b0ce9b650a0aae4c40492. 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



PureCrypter


Vendor detections: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: e03f7cbee9ba8443d200f1bcc47101185dcdc27b965b0ce9b650a0aae4c40492
SHA3-384 hash: 757ff1591cdd19ea4f81b51e9983e00db7f511cb4106d87101077de85077b9a4ccfa5262ca3d09db9495090c7b7a3dcf
SHA1 hash: 2be923d8dc05abe584621a4bff5c9178cf43777a
MD5 hash: 4feef1aae6a0fec7806c2c0fbbee297e
humanhash: michigan-diet-alabama-harry
File name:Payment_Confirmation_230721pdf.exe
Download: download sample
Signature PureCrypter
File size:54'784 bytes
First seen:2023-07-21 09:38:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 768:qgyiRquYaRH/+MSlKphRUsSnDK3EaC8l2bP3SScNY8nfRqTuM+1+S:q1iRTYqNuKZUsgDK3EaqL36G8ETugS
Threatray 5'618 similar samples on MalwareBazaar
TLSH T1E633F9A2351C59D6FE6D6277E86F888606606C7B87E1586DB48FF3220172313851FE3E
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 2b534545c565534d (12 x AgentTesla, 1 x PureCrypter, 1 x NanoCore)
Reporter lowmal3
Tags:exe purecrypter

Intelligence


File Origin
# of uploads :
1
# of downloads :
347
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Payment_Confirmation_230721pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-07-21 09:40:46 UTC
Tags:
agenttesla stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
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
Found malware configuration
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 dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample has a suspicious name (potential lure to open the executable)
Sample uses string decryption to hide its real strings
Snort IDS alert for network traffic
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)
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1277346 Sample: Payment_Confirmation_230721... Startdate: 21/07/2023 Architecture: WINDOWS Score: 100 49 Snort IDS alert for network traffic 2->49 51 Found malware configuration 2->51 53 Yara detected Telegram RAT 2->53 55 8 other signatures 2->55 6 Jlkdxmtdq.exe 14 5 2->6         started        10 Payment_Confirmation_230721pdf.exe 16 5 2->10         started        13 Jlkdxmtdq.exe 2 2->13         started        process3 dnsIp4 27 192.168.2.1 unknown unknown 6->27 57 Multi AV Scanner detection for dropped file 6->57 59 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->59 61 May check the online IP address of the machine 6->61 63 Machine Learning detection for dropped file 6->63 15 Jlkdxmtdq.exe 2 6->15         started        29 files.catbox.moe 108.181.20.35, 443, 49692, 49695 ASN852CA Canada 10->29 21 C:\Users\user\AppData\Roaming\Jlkdxmtdq.exe, PE32 10->21 dropped 23 C:\Users\...\Jlkdxmtdq.exe:Zone.Identifier, ASCII 10->23 dropped 25 C:\...\Payment_Confirmation_230721pdf.exe.log, ASCII 10->25 dropped 65 Injects a PE file into a foreign processes 10->65 19 Payment_Confirmation_230721pdf.exe 2 10->19         started        file5 signatures6 process7 dnsIp8 31 173.231.16.76, 443, 49697 WEBNXUS United States 15->31 33 api.ipify.org 15->33 41 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->41 43 Tries to steal Mail credentials (via file / registry access) 15->43 45 Tries to harvest and steal browser information (history, passwords, etc) 15->45 35 api4.ipify.org 104.237.62.211, 443, 49693 WEBNXUS United States 19->35 37 api.telegram.org 149.154.167.220, 443, 49694, 49701 TELEGRAMRU United Kingdom 19->37 39 api.ipify.org 19->39 47 Installs a global keyboard hook 19->47 signatures9
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-07-21 09:39:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
19 of 25 (76.00%)
Threat level:
  5/5
Result
Malware family:
purecrypter
Score:
  10/10
Tags:
family:agenttesla family:purecrypter collection downloader keylogger loader persistence spyware stealer trojan
Behaviour
Modifies system certificate store
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
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
PureCrypter
Malware Config
C2 Extraction:
https://files.catbox.moe/730d8u.wav
https://api.telegram.org/bot5866125639:AAHczhVa6KsnPdrAfpcJqJMrQ8ZeqF9Y-b0/
Unpacked files
SH256 hash:
e03f7cbee9ba8443d200f1bcc47101185dcdc27b965b0ce9b650a0aae4c40492
MD5 hash:
4feef1aae6a0fec7806c2c0fbbee297e
SHA1 hash:
2be923d8dc05abe584621a4bff5c9178cf43777a
Malware family:
AgentTesla.v4
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: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

PureCrypter

Executable exe e03f7cbee9ba8443d200f1bcc47101185dcdc27b965b0ce9b650a0aae4c40492

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments