MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f13fe7c53a790d33a00e6bd4e5763b1a333a6613311daf6c54cc85420335f383. 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: 16


Intelligence 16 IOCs YARA 5 File information Comments

SHA256 hash: f13fe7c53a790d33a00e6bd4e5763b1a333a6613311daf6c54cc85420335f383
SHA3-384 hash: 5a8875c4349aeecc027fb78c026d9657bbc82dcfc15fbc45b41f36ee8b95a378c24063692d7de1e5cfbd5d2651b773fb
SHA1 hash: 7d54bee154efda04776b40cdfabe14500f15eed1
MD5 hash: 32bf7811478da89d1257f02c1adcf81b
humanhash: monkey-oklahoma-moon-bluebird
File name:NOV.RFQ#94567890_MATERIALS_TIANJIN_INTERNATIONAL_CO_LTD.exe
Download: download sample
Signature AgentTesla
File size:14'848 bytes
First seen:2023-11-03 07:38:00 UTC
Last seen:2023-11-03 09:20:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 192:lBFRb9VrPAjvUdQQE8KgHoTvcN4xWEepev5Ez9X7lj92SHxtoNiVOt8/Psc4tV4J:fPsbU88DHoTPcj7DZ/Ct8/ExsF2T
Threatray 1'331 similar samples on MalwareBazaar
TLSH T1F3623A4493BC8733ED4F1BBD99B603530BB1F7106426EA4F64CC20477E026522A6A3BE
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 74f4d4d4d498b4d4 (6 x AgentTesla, 2 x RemcosRAT, 1 x PureCrypter)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
300
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
NOV.RFQ#94567890_MATERIALS_TIANJIN_INTERNATIONAL_CO_LTD.exe
Verdict:
Malicious activity
Analysis date:
2023-11-03 09:47:42 UTC
Tags:
stealer agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Sending an HTTP GET request
Creating a window
Creating a file in the %temp% directory
Launching a process
Searching for synchronization primitives
Searching for the window
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Malicious
Threat level:
  10/10
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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
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)
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: 1336464 Sample: NOV.RFQ#94567890_MATERIALS_... Startdate: 03/11/2023 Architecture: WINDOWS Score: 100 35 qu.ax 2->35 37 api4.ipify.org 2->37 39 2 other IPs or domains 2->39 49 Multi AV Scanner detection for domain / URL 2->49 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 8 other signatures 2->55 8 NOV.RFQ#94567890_MATERIALS_TIANJIN_INTERNATIONAL_CO_LTD.exe 20 7 2->8         started        13 Xvfav.exe 14 5 2->13         started        15 Xvfav.exe 2->15         started        signatures3 process4 dnsIp5 41 qu.ax 92.118.112.4, 443, 49713, 49731 GUDAEV-ASRU Russian Federation 8->41 29 C:\Users\user\AppData\Roaming\Xvfav.exe, PE32 8->29 dropped 57 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->57 59 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->59 61 Injects a PE file into a foreign processes 8->61 17 NOV.RFQ#94567890_MATERIALS_TIANJIN_INTERNATIONAL_CO_LTD.exe 2 8->17         started        21 EXCEL.EXE 184 93 8->21         started        63 Multi AV Scanner detection for dropped file 13->63 23 Xvfav.exe 13->23         started        25 Xvfav.exe 15->25         started        file6 signatures7 process8 dnsIp9 31 api4.ipify.org 104.237.62.212, 443, 49718, 49735 WEBNXUS United States 17->31 33 api.telegram.org 149.154.167.220, 443, 49722, 49726 TELEGRAMRU United Kingdom 17->33 27 splwow64.exe 21->27         started        43 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 25->43 45 Tries to steal Mail credentials (via file / registry access) 25->45 47 Tries to harvest and steal browser information (history, passwords, etc) 25->47 signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.SnakeKeyLogger
Status:
Malicious
First seen:
2023-11-03 07:39:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
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/bot6544360047:AAHg5eBKiMyprEzAKwEmWL_6OSTuaaiN0Xc/
Unpacked files
SH256 hash:
f13fe7c53a790d33a00e6bd4e5763b1a333a6613311daf6c54cc85420335f383
MD5 hash:
32bf7811478da89d1257f02c1adcf81b
SHA1 hash:
7d54bee154efda04776b40cdfabe14500f15eed1
Detections:
PureCrypter_Stage1
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:MSIL_TinyDownloader_Generic
Author:albertzsigovits
Description:Detects small-sized dotNET downloaders
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
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 f13fe7c53a790d33a00e6bd4e5763b1a333a6613311daf6c54cc85420335f383

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments