MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 93f9a92e6630c227a522031f2cfbc4b94d31bc1e922487055b64a726e28a00b5. 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 6 File information Comments

SHA256 hash: 93f9a92e6630c227a522031f2cfbc4b94d31bc1e922487055b64a726e28a00b5
SHA3-384 hash: bcd2c45618540155ad3f0c96729d2c8d72942f4fc56b45b5d215be71228484ab542c572cfd6dd04f8f45348a9aad0f81
SHA1 hash: 6aeea953151ee84355b2f61d6c2628a259b338fd
MD5 hash: 0549b518def7a39dc10cd58aed9eaaa0
humanhash: hot-delaware-vegan-india
File name:hstu7qjewywuow.exe
Download: download sample
Signature AgentTesla
File size:675'840 bytes
First seen:2023-09-04 07:38:04 UTC
Last seen:2023-09-04 07:39:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:q+fOZ1SB8bfn8aPc0TameVnDReZnJSmXPH+BCfHQF:lWZkBafn7CVnDcZwmkCk
Threatray 5'543 similar samples on MalwareBazaar
TLSH T198E4230862992723C271C7FAD190B32013F177856332E21C7DE465DBAE6AF095EA478F
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
272
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
hstu7qjewywuow.exe
Verdict:
Malicious activity
Analysis date:
2023-09-04 07:39:49 UTC
Tags:
agenttesla stealer

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

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Sample uses string decryption to hide its real strings
Sigma detected: Scheduled temp file as task from temp location
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1302701 Sample: hstu7qjewywuow.exe Startdate: 04/09/2023 Architecture: WINDOWS Score: 100 53 Found malware configuration 2->53 55 Antivirus / Scanner detection for submitted sample 2->55 57 Sigma detected: Scheduled temp file as task from temp location 2->57 59 7 other signatures 2->59 7 hstu7qjewywuow.exe 7 2->7         started        11 VabWykNwl.exe 5 2->11         started        13 MmRKwR.exe 3 2->13         started        15 MmRKwR.exe 2->15         started        process3 file4 49 C:\Users\user\AppData\Roaming\VabWykNwl.exe, PE32 7->49 dropped 51 C:\Users\user\AppData\Local\...\tmp2842.tmp, XML 7->51 dropped 67 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->67 69 Uses schtasks.exe or at.exe to add and modify task schedules 7->69 71 Adds a directory exclusion to Windows Defender 7->71 17 hstu7qjewywuow.exe 2 5 7->17         started        21 powershell.exe 23 7->21         started        23 schtasks.exe 1 7->23         started        73 Antivirus detection for dropped file 11->73 75 Multi AV Scanner detection for dropped file 11->75 77 Machine Learning detection for dropped file 11->77 25 VabWykNwl.exe 11->25         started        27 schtasks.exe 1 11->27         started        29 VabWykNwl.exe 11->29         started        79 Injects a PE file into a foreign processes 15->79 31 MmRKwR.exe 15->31         started        33 schtasks.exe 15->33         started        35 MmRKwR.exe 15->35         started        signatures5 process6 file7 45 C:\Users\user\AppData\Roaming\...\MmRKwR.exe, PE32 17->45 dropped 47 C:\Users\user\...\MmRKwR.exe:Zone.Identifier, ASCII 17->47 dropped 61 Tries to steal Mail credentials (via file / registry access) 17->61 63 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->63 37 conhost.exe 21->37         started        39 conhost.exe 23->39         started        41 conhost.exe 27->41         started        65 Tries to harvest and steal browser information (history, passwords, etc) 31->65 43 conhost.exe 33->43         started        signatures8 process9
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2023-08-31 08:01:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
17 of 24 (70.83%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
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 user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
2ac2f55e15fd8da559f99925ceee9166ca978e94cbc53a5cb29bf02d0a76ac7f
MD5 hash:
1081db0b25581c7958e6fbff4d9aa64a
SHA1 hash:
bcb0e0fe844884a5b0d05cd3b0cc5fd7a5ff53b9
SH256 hash:
067b3eac2cfd4bf653028d69aee6f8523303553a5ebea0ac0840d05fd8ef0026
MD5 hash:
6cf215aebb8752dac9e7b1cc4c33ffa7
SHA1 hash:
941f6deeb3e17a787a6de19fd1ca8927ca378f3a
SH256 hash:
c094444932babf732e788625413d66665af54fa789015decb7e2da3d3ab25dc3
MD5 hash:
49204dbac9267797c9f6679a4bac06ec
SHA1 hash:
5590f19a53f6e6a88d14adfbc83ea1cd7ae002c7
SH256 hash:
93f9a92e6630c227a522031f2cfbc4b94d31bc1e922487055b64a726e28a00b5
MD5 hash:
0549b518def7a39dc10cd58aed9eaaa0
SHA1 hash:
6aeea953151ee84355b2f61d6c2628a259b338fd
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:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
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 93f9a92e6630c227a522031f2cfbc4b94d31bc1e922487055b64a726e28a00b5

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments