MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1188a9a401d21e901cd3a52875c91c56d33b27c32ffa7631a7a1fcbd166c906. 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



AsyncRAT


Vendor detections: 16


Intelligence 16 IOCs YARA 5 File information Comments

SHA256 hash: a1188a9a401d21e901cd3a52875c91c56d33b27c32ffa7631a7a1fcbd166c906
SHA3-384 hash: 38cd78cd73af8624ff9f90d3c6fb6d656c97cc9d9b18ea8c4c4c46be7b7e4666aadf5f8b7a06c4af5cb138130578dcd1
SHA1 hash: 48d3ed078d0f80f5f58ba890ccdced0aa273df43
MD5 hash: 33589bf899445d41b704d343064952c4
humanhash: eighteen-comet-network-social
File name:SEA - SO#L539 (SO+INV+PKG+ISF+VGM).scr
Download: download sample
Signature AsyncRAT
File size:480'768 bytes
First seen:2024-09-12 07:23:01 UTC
Last seen:2024-09-12 08:24:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:Ii3hBXHSMveQwSrfnUUizPca2BsleGNFGA:BiM2/SDxizU9Bs6A
TLSH T188A4017877BCEB58C5A947B14934E27117B67E4EE028E3068FDAACE7B8663045E00753
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) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter threatcat_ch
Tags:AsyncRAT exe xworm

Intelligence


File Origin
# of uploads :
2
# of downloads :
421
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SEA - SO#L539 (SO+INV+PKG+ISF+VGM).scr
Verdict:
Malicious activity
Analysis date:
2024-09-12 07:23:21 UTC
Tags:
xworm remote

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Execution Generic Infostealer Static Stealth Msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Creating a process with a hidden window
Adding an exclusion to Microsoft Defender
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade 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:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
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 video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Suricata IDS alerts for network traffic
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected XWorm
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1509894 Sample: SEA - SO#L539 (SO+INV+PKG+I... Startdate: 12/09/2024 Architecture: WINDOWS Score: 100 41 18.31.95.13.in-addr.arpa 2->41 45 Multi AV Scanner detection for domain / URL 2->45 47 Suricata IDS alerts for network traffic 2->47 49 Found malware configuration 2->49 51 17 other signatures 2->51 9 SEA - SO#L539 (SO+INV+PKG+ISF+VGM).scr.exe 3 2->9         started        signatures3 process4 file5 37 SEA - SO#L539 (SO+...SF+VGM).scr.exe.log, ASCII 9->37 dropped 55 Injects a PE file into a foreign processes 9->55 13 SEA - SO#L539 (SO+INV+PKG+ISF+VGM).scr.exe 6 9->13         started        18 SEA - SO#L539 (SO+INV+PKG+ISF+VGM).scr.exe 9->18         started        signatures6 process7 dnsIp8 43 104.250.180.178, 49717, 7061 M247GB United States 13->43 39 C:\Users\user\AppData\Roaming\XClient.exe, PE32 13->39 dropped 57 Adds a directory exclusion to Windows Defender 13->57 20 powershell.exe 23 13->20         started        23 powershell.exe 23 13->23         started        25 powershell.exe 23 13->25         started        27 powershell.exe 13->27         started        file9 signatures10 process11 signatures12 53 Loading BitLocker PowerShell Module 20->53 29 conhost.exe 20->29         started        31 conhost.exe 23->31         started        33 conhost.exe 25->33         started        35 conhost.exe 27->35         started        process13
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2024-09-12 07:24:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
12 of 38 (31.58%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:xworm discovery execution rat trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Drops startup file
Loads dropped DLL
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Xworm
Malware Config
C2 Extraction:
104.250.180.178:7061
Unpacked files
SH256 hash:
ff57bbd0fdc684ed0081786d06e4f13e786807d36805be88be2f65bbc2fbf554
MD5 hash:
f70c347e94362392dfee769e00d0a9a4
SHA1 hash:
f7bc0a6a399c53871afa99eaeae1c132e9422f07
Detections:
XWorm win_xworm_w0 MALWARE_Win_XWorm win_mal_XWorm INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA MALWARE_Win_AsyncRAT
SH256 hash:
9cef497fcf4796f72b1f1e895cf01eeb68a91bb2e33dc024d4f1941a1d2ba308
MD5 hash:
e8459739ab3882811af175eea4a737d2
SHA1 hash:
5bc2a4185e2bf37f063c3de775dd4a35cc7d56e3
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
c59a72e874640d2d2c5669edc14fdeb82a72cbacde61679907d2926b8ed79d08
MD5 hash:
b37fc99b846edbde0d0f36bee1760849
SHA1 hash:
0016396b048dcbda5b87742c32678f706db6362c
SH256 hash:
a1188a9a401d21e901cd3a52875c91c56d33b27c32ffa7631a7a1fcbd166c906
MD5 hash:
33589bf899445d41b704d343064952c4
SHA1 hash:
48d3ed078d0f80f5f58ba890ccdced0aa273df43
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: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

AsyncRAT

Executable exe a1188a9a401d21e901cd3a52875c91c56d33b27c32ffa7631a7a1fcbd166c906

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments