MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 59cf1e86d967229dce88f3580f5a4e5332b49def248c055f43529cf808d169f1. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments

SHA256 hash: 59cf1e86d967229dce88f3580f5a4e5332b49def248c055f43529cf808d169f1
SHA3-384 hash: 65636d4f8ef5b9c484ee136d29a972fc67acfa162c04779c2bce0c95937adb756f039bdbd78c14d1c2da584763b64cf9
SHA1 hash: 2e361fbec1abf57a8eb08ee7917b00d7daf15cff
MD5 hash: 408c22c4970aebc61a9a8203d0d49de4
humanhash: avocado-orange-apart-don
File name:Zamówienie zakupu ZM220403_pdf .exe
Download: download sample
Signature AgentTesla
File size:17'920 bytes
First seen:2022-09-23 09:50:01 UTC
Last seen:2022-09-23 10:50:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'659 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 96:75NufDIrfeER79rNBO1+BQIdjIVLlmMqtlnfXCdJSihfSYons6ixZ6ZZkugeH6qc:1o7cxBOc9OLlL28n9/CK6EtNV
Threatray 19'327 similar samples on MalwareBazaar
TLSH T1B0823E6EB6CBC64AD05445F2486382E418A7FE55AD72CBAD71EEB73C5BF33880805760
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 7ce6e69292caced4 (7 x AgentTesla)
Reporter Anonymous
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
362
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Creating a file
Using the Windows Management Instrumentation requests
Creating a window
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
Sending an HTTP GET request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
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
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)
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 ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (a lot of spaces)
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 dnsIp2 2 Behavior Graph ID: 708364 Sample: Zam#U00f3wienie zakupu ZM22... Startdate: 23/09/2022 Architecture: WINDOWS Score: 100 43 api.telegram.org 2->43 55 Snort IDS alert for network traffic 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Multi AV Scanner detection for submitted file 2->59 61 13 other signatures 2->61 8 Zam#U00f3wienie zakupu ZM220403_pdf                                              .exe 16 7 2->8         started        13 Egrqip.exe 14 4 2->13         started        15 Egrqip.exe 3 2->15         started        signatures3 process4 dnsIp5 45 103.207.39.154, 49707, 49710, 49711 VNPT-AS-VNVNPTCorpVN Viet Nam 8->45 35 C:\Users\user\AppData\Roaming\...grqip.exe, PE32 8->35 dropped 37 C:\Users\user\...grqip.exe:Zone.Identifier, ASCII 8->37 dropped 39 Zam#U00f3wienie za...           .exe.log, ASCII 8->39 dropped 63 Encrypted powershell cmdline option found 8->63 65 Injects a PE file into a foreign processes 8->65 17 Zam#U00f3wienie zakupu ZM220403_pdf                                              .exe 2 8->17         started        21 powershell.exe 16 8->21         started        67 Multi AV Scanner detection for dropped file 13->67 69 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 13->69 71 Machine Learning detection for dropped file 13->71 73 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 13->73 23 powershell.exe 13->23         started        25 Egrqip.exe 13->25         started        27 powershell.exe 15->27         started        file6 signatures7 process8 dnsIp9 41 api.telegram.org 149.154.167.220, 443, 49712, 49713 TELEGRAMRU United Kingdom 17->41 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->47 49 Tries to steal Mail credentials (via file / registry access) 17->49 51 Tries to harvest and steal ftp login credentials 17->51 53 Tries to harvest and steal browser information (history, passwords, etc) 17->53 29 conhost.exe 21->29         started        31 conhost.exe 23->31         started        33 conhost.exe 27->33         started        signatures10 process11
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2022-09-23 05:41:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
20 of 40 (50.00%)
Threat level:
  5/5
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/bot5630874250:AAEDuunIn-R-MBj31dAwDrUJIyI2VkuBgP4/
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
59cf1e86d967229dce88f3580f5a4e5332b49def248c055f43529cf808d169f1
MD5 hash:
408c22c4970aebc61a9a8203d0d49de4
SHA1 hash:
2e361fbec1abf57a8eb08ee7917b00d7daf15cff
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: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.

Comments