MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4e4d31c038b40c4267f2757def2a94a87d47f934b265cfe2b298274751a1ea48. 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: 17


Intelligence 17 IOCs YARA 9 File information Comments

SHA256 hash: 4e4d31c038b40c4267f2757def2a94a87d47f934b265cfe2b298274751a1ea48
SHA3-384 hash: 538031966b022bf1f7bfc866e8dd9e07ce8de226994852cf52a9c6b9f336a20136e42dfde4d1530914134dd4c2f08526
SHA1 hash: dbc148ff48b1d524ab5d65d87701c53e25a448b9
MD5 hash: f645c39596545a4c9ff1fae2c1df4719
humanhash: december-indigo-august-blue
File name:SecuriteInfo.com.Win32.PWSX-gen.19939.26903
Download: download sample
Signature AgentTesla
File size:779'256 bytes
First seen:2023-09-07 17:33:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:jYj4k4yJu5zM85pm/Fb55Jnz4YlBEMO+kfrg+dWC9OTxtq:xhyJu5zL5pGxnz4eWrE+gC42
Threatray 5'504 similar samples on MalwareBazaar
TLSH T160F44A47BA4789BAE67417B6C29A180413F4DE8633AFDB0BF5CA33A50863376DC05527
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 f6f1b5e6c486b3c9 (1 x AgentTesla)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
308
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
SecuriteInfo.com.Win32.PWSX-gen.19939.26903
Verdict:
Malicious activity
Analysis date:
2023-09-07 17:34:28 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 file in the %AppData% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Reading critical registry keys
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a system process
Stealing user critical data
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay 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:
spre.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus detection for URL or domain
Found malware configuration
Injects a PE file into a foreign processes
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
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: MSBuild connects to smtp port
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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1305624 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 07/09/2023 Architecture: WINDOWS Score: 100 29 tse1.mm.bing.net 2->29 53 Found malware configuration 2->53 55 Antivirus detection for URL or domain 2->55 57 Multi AV Scanner detection for submitted file 2->57 59 7 other signatures 2->59 7 SecuriteInfo.com.Win32.PWSX-gen.19939.26903.exe 1 5 2->7         started        11 Yjsurolkq.exe 5 2->11         started        13 Yjsurolkq.exe 4 2->13         started        signatures3 process4 file5 27 C:\Users\user\AppData\Roaming\Yjsurolkq.exe, PE32 7->27 dropped 61 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->61 63 Writes to foreign memory regions 7->63 65 Allocates memory in foreign processes 7->65 15 MSBuild.exe 15 2 7->15         started        19 MSBuild.exe 7->19         started        67 Multi AV Scanner detection for dropped file 11->67 69 Machine Learning detection for dropped file 11->69 71 Injects a PE file into a foreign processes 11->71 21 MSBuild.exe 2 11->21         started        23 MSBuild.exe 2 13->23         started        25 MSBuild.exe 13->25         started        signatures6 process7 dnsIp8 31 server1.sqsendy.shop 63.250.35.178, 49724, 49726, 49731 NAMECHEAP-NETUS United States 15->31 33 api4.ipify.org 64.185.227.156, 443, 49723, 49730 WEBNXUS United States 15->33 35 api.ipify.org 15->35 43 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 19->43 45 May check the online IP address of the machine 19->45 37 104.237.62.212, 443, 49725 WEBNXUS United States 21->37 39 api.ipify.org 21->39 41 api.ipify.org 23->41 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->47 49 Tries to steal Mail credentials (via file / registry access) 23->49 51 Tries to harvest and steal browser information (history, passwords, etc) 23->51 signatures9
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2023-09-07 17:34:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
18 of 24 (75.00%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
outlook_office_path
outlook_win_path
Drops file in System32 directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
AgentTesla
Unpacked files
SH256 hash:
fa4e9bc233f32f1cdc604de9eb10450e8a3d9f086a34acf142ba8fdd7204fa28
MD5 hash:
cb6f70b5939b8183af593a2888c2ec79
SHA1 hash:
ff571c346f9b75c2175007059ec8e9de1eae30e6
SH256 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
SH256 hash:
c8c2bbfbd3a251303f8b5a9458e2d129a70cce8018147b4e5d44ba7ab04eb0f0
MD5 hash:
fedd2ef77ccb405c5fbd73b309918880
SHA1 hash:
2323b481da176dca25fdd8c78ed4c82fe829f9f9
SH256 hash:
4e4d31c038b40c4267f2757def2a94a87d47f934b265cfe2b298274751a1ea48
MD5 hash:
f645c39596545a4c9ff1fae2c1df4719
SHA1 hash:
dbc148ff48b1d524ab5d65d87701c53e25a448b9
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
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_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
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