MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8344b15b9177b70916a48f8b8852747d6b7cb179e6d3edf5eac1692751b132fe. 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



XWorm


Vendor detections: 12


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: 8344b15b9177b70916a48f8b8852747d6b7cb179e6d3edf5eac1692751b132fe
SHA3-384 hash: 0d20f75e70f3edf72bc36a975611865a1a83985c86facea5b4c06986a6d716b7ddcd26cde7904c64bae76bf18227072e
SHA1 hash: c45efc31b2277d02383946a90394ca4db1f703af
MD5 hash: 087c075bc4fe5fe242b5c66c29869864
humanhash: lake-ink-west-floor
File name:file
Download: download sample
Signature XWorm
File size:192'000 bytes
First seen:2024-11-05 10:47:45 UTC
Last seen:2024-11-05 12:42:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 2afc6980a7ebf889d0553bb0b21b68dd (2 x XWorm, 1 x LummaStealer)
ssdeep 3072:TqWg0oaxBGieuvQTtv6c/mTRPyZqqiIdhI+czv/gJQE7zK+l+2aVbUucM5W65S:TgP8GiHvQTV+d/qi25eKfU2cbNcM5U
TLSH T10014BE05B5C2C0B3FDA7583119E4C9B5AA3DB9625B20ADDB2394037D0F326C3963692F
TrID 49.9% (.EXE) Win64 Executable (generic) (10522/11/4)
21.3% (.EXE) Win32 Executable (generic) (4504/4/1)
9.6% (.EXE) OS/2 Executable (generic) (2029/13)
9.5% (.EXE) Generic Win/DOS Executable (2002/3)
9.4% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter Bitsight
Tags:exe xworm


Avatar
Bitsight
url: http://45.149.241.37/w.exe

Intelligence


File Origin
# of uploads :
28
# of downloads :
408
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-11-05 10:49:39 UTC
Tags:
xworm remote opendir loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
70%
Tags:
malware
Result
Verdict:
Clean
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
crypto microsoft_visual_cc packed packed packer_detected
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:
LummaC, XWorm
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
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Found malware configuration
Injects a PE file into a foreign processes
LummaC encrypted strings found
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 video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Silenttrinity Stager Msbuild Activity
Suricata IDS alerts for network traffic
Writes to foreign memory regions
Yara detected LummaC Stealer
Yara detected XWorm
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1549146 Sample: file.exe Startdate: 05/11/2024 Architecture: WINDOWS Score: 100 37 servicedny.site 2->37 39 seallysl.site 2->39 41 11 other IPs or domains 2->41 49 Suricata IDS alerts for network traffic 2->49 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 11 other signatures 2->55 9 file.exe 1 2->9         started        signatures3 process4 signatures5 65 Contains functionality to inject code into remote processes 9->65 67 Writes to foreign memory regions 9->67 69 Allocates memory in foreign processes 9->69 71 Injects a PE file into a foreign processes 9->71 12 MSBuild.exe 15 6 9->12         started        16 MSBuild.exe 9->16         started        19 WerFault.exe 21 16 9->19         started        21 conhost.exe 9->21         started        process6 dnsIp7 45 45.149.241.37, 49734, 52888, 7000 UUNETUS Germany 12->45 33 C:\Users\user\AppData\Local\Temp\loifti.exe, PE32 12->33 dropped 23 loifti.exe 1 12->23         started        47 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 16->47 35 C:\ProgramData\Microsoft\...\Report.wer, Unicode 19->35 dropped file8 signatures9 process10 signatures11 57 Multi AV Scanner detection for dropped file 23->57 59 Machine Learning detection for dropped file 23->59 61 Injects a PE file into a foreign processes 23->61 63 LummaC encrypted strings found 23->63 26 loifti.exe 23->26         started        29 WerFault.exe 20 16 23->29         started        31 conhost.exe 23->31         started        process12 dnsIp13 43 steamcommunity.com 104.102.49.254, 443, 52889 AKAMAI-ASUS United States 26->43
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2024-11-05 10:48:10 UTC
File Type:
PE (Exe)
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:xworm discovery rat trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Detect Xworm Payload
Xworm
Xworm family
Malware Config
C2 Extraction:
45.149.241.37:7000
Unpacked files
SH256 hash:
8344b15b9177b70916a48f8b8852747d6b7cb179e6d3edf5eac1692751b132fe
MD5 hash:
087c075bc4fe5fe242b5c66c29869864
SHA1 hash:
c45efc31b2277d02383946a90394ca4db1f703af
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

XWorm

Executable exe 8344b15b9177b70916a48f8b8852747d6b7cb179e6d3edf5eac1692751b132fe

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download

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
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW
WIN_CRYPT_APIUses Windows Crypt APIADVAPI32.dll::CryptAcquireContextA

Comments