MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1bf9e8d217baf7a33931f25d96ff9eab4c24f9702beaa41a91bcab3745a1875. 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 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c1bf9e8d217baf7a33931f25d96ff9eab4c24f9702beaa41a91bcab3745a1875
SHA3-384 hash: 9472037c29251198a0fd988e742d7b90fa549e2b0dc1c9d3347dde0f53a67706814828865bed3cdfb61de3d77d7a0a8d
SHA1 hash: 6dca4a5e851e1ccae98afba16d01a5f9b9553c59
MD5 hash: 543e7940dd0ac8e9e42c0120515ec6b6
humanhash: twelve-enemy-wolfram-mexico
File name:PO3311926.exe
Download: download sample
Signature XWorm
Create hunting rule
File size:948'030 bytes
First seen:2024-04-29 09:26:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 12e12319f1029ec4f8fcbed7e82df162 (389 x DCRat, 52 x RedLineStealer, 51 x Formbook)
ssdeep 24576:ETbBv5rUDQHX7JRUOYeQ6lm6eFGa6mPcyGJmK:2BzrJWOYeMMoGr
Threatray 2'429 similar samples on MalwareBazaar
TLSH T1A4151202BEC19873C57208366A65A721B93DBE601F658EDF67C05A6CEE311C0D735BA3
TrID 89.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.5% (.EXE) Win64 Executable (generic) (10523/12/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon 70cce8b2e8e8e071 (2 x SnakeKeylogger, 1 x XWorm, 1 x VIPKeylogger)
Reporter adrian__luca
Tags:exe xworm

Intelligence

File Origin
# of uploads :
1
# of downloads :
337
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c1bf9e8d217baf7a33931f25d96ff9eab4c24f9702beaa41a91bcab3745a1875.exe
Verdict:
Malicious activity
Analysis date:
2024-04-29 09:33:30 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/4f949baa-792d-4485-a221-660759bcd29a

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
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a UDP request
Creating a file
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %AppData% directory
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/c1bf9e8d217baf7a33931f25d96ff9eab4c24f9702beaa41a91bcab3745a1875
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/e9979c4f-75d8-4815-8918-684ab9a6318b
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1433216
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Creates multiple autostart registry keys
Found API chain indicative of sandbox detection
Found malware configuration
Injects a PE file into a foreign processes
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses ipconfig to lookup or modify the Windows network settings
Uses schtasks.exe or at.exe to add and modify task schedules
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected AntiVM autoit script
Yara detected Autoit Injector
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1433216 Sample: PO3311926.exe Startdate: 29/04/2024 Architecture: WINDOWS Score: 100 92 Found malware configuration 2->92 94 Multi AV Scanner detection for dropped file 2->94 96 Multi AV Scanner detection for submitted file 2->96 98 12 other signatures 2->98 11 PO3311926.exe 3 28 2->11         started        15 sdadbtvsh.bin.exe 1 2->15         started        17 sdadbtvsh.bin.exe 2->17         started        19 7 other processes 2->19 process3 dnsIp4 68 C:\Users\user\AppData\Local\...\sdadbtvsh.bin, PE32 11->68 dropped 70 C:\Users\user\AppData\Local\Temp\...\vjpj.vbe, Unicode 11->70 dropped 72 C:\Users\user\AppData\Local\...\nngqrvwq.xl, data 11->72 dropped 104 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 11->104 22 wscript.exe 1 11->22         started        106 Multi AV Scanner detection for dropped file 15->106 108 Found API chain indicative of sandbox detection 15->108 110 Creates multiple autostart registry keys 15->110 25 RegSvcs.exe 15->25         started        112 Writes to foreign memory regions 17->112 114 Allocates memory in foreign processes 17->114 116 Injects a PE file into a foreign processes 17->116 27 RegSvcs.exe 17->27         started        84 192.168.2.8, 138, 443, 49251 unknown unknown 19->84 86 239.255.255.250 unknown Reserved 19->86 29 chrome.exe 19->29         started        32 conhost.exe 19->32         started        34 conhost.exe 19->34         started        36 4 other processes 19->36 file5 signatures6 process7 dnsIp8 100 Windows Scripting host queries suspicious COM object (likely to drop second stage) 22->100 38 cmd.exe 1 22->38         started        40 cmd.exe 1 22->40         started        43 cmd.exe 1 22->43         started        90 www.google.com 142.250.191.196, 443, 49712, 49713 GOOGLEUS United States 29->90 signatures9 process10 signatures11 45 sdadbtvsh.bin 1 25 38->45         started        49 conhost.exe 38->49         started        102 Uses ipconfig to lookup or modify the Windows network settings 40->102 51 conhost.exe 40->51         started        53 ipconfig.exe 1 40->53         started        55 conhost.exe 43->55         started        57 ipconfig.exe 1 43->57         started        process12 file13 76 C:\Users\user\wrse\sdadbtvsh.bin.exe, PE32 45->76 dropped 78 C:\Users\user\wrse\sdadbtvsh.bin, PE32 45->78 dropped 80 C:\Users\user\AppData\...\sdadbtvsh.bin.exe, PE32 45->80 dropped 82 C:\Users\user\wrse\nngqrvwq.xl, data 45->82 dropped 122 Multi AV Scanner detection for dropped file 45->122 124 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 45->124 126 Writes to foreign memory regions 45->126 128 2 other signatures 45->128 59 RegSvcs.exe 1 4 45->59         started        signatures14 process15 dnsIp16 88 102.165.14.26, 5007 ASDETUKhttpwwwheficedcomGB South Africa 59->88 74 C:\Users\user\AppData\Roaming\RegSvcs.exe, PE32 59->74 dropped 118 Creates multiple autostart registry keys 59->118 120 Uses schtasks.exe or at.exe to add and modify task schedules 59->120 64 schtasks.exe 1 59->64         started        file17 signatures18 process19 process20 66 conhost.exe 64->66         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c1bf9e8d217baf7a33931f25d96ff9eab4c24f9702beaa41a91bcab3745a1875
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c1bf9e8d217baf7a33931f25d96ff9eab4c24f9702beaa41a91bcab3745a1875/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2024-04-26 11:12:42 UTC
File Type:
PE (Exe)
Extracted files:
77
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=yg7z5djbpoxxum4td4s5s37z5k2met4xak7kuqnjdpflg5c2db2q._file
Verdict:
unknown
Similar samples:
05cbc7fb269ecdc757ccd48938f19c93b736fc33eb9e65b7a9c1a788b75ee6c7
XWorm
432c99b8f1108ed0d94b7b1e620b230f8f55c47ca62c0fcdd1a3afac8548f239
XWorm
526539d41092e31a6eb4097cc93b55285d758b41e992d11c1819767306f08f30
XWorm
ac15d82441447b30e13ba57c3c2ab12dae50e7396c74991393bd225f3784aab9
XWorm
c2958b80b0f33e4725e2c8aed24dbb259d68198a970385afa3ed2e8df0280a08
XWorm
e601a9b4dc605b4e283a5b97ed2cb16da2e754b7a6c27585c6f0d1cdbed99094
XWorm
f56bd344f2e9650ba6def3340bc5ac26472ea615744b38786d5445a75a0e51b4
XWorm
+ 2'419 additional samples on MalwareBazaar
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm persistence rat trojan
Link:
https://tria.ge/reports/240429-lesg7sfb78/
Behaviour
Creates scheduled task(s)
Gathers network information
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Detect Xworm Payload
Xworm
Malware Config
C2 Extraction:
102.165.14.26:5007
Unpacked files
SH256 hash:
3fce07bd7e220e97a1b141da155444f95aba7b5e4325f6a5edb262c025c1e5a9
MD5 hash:
eeaa0f5d82e56659c80fa84d588bf870
SHA1 hash:
a1aea1de9c42e1ef8c186ef6246dd318040e66de
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/ea2e95a2-fcb6-46e9-bf6c-ec00305762a7/
Parent samples :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 hash:
c1bf9e8d217baf7a33931f25d96ff9eab4c24f9702beaa41a91bcab3745a1875
MD5 hash:
543e7940dd0ac8e9e42c0120515ec6b6
SHA1 hash:
6dca4a5e851e1ccae98afba16d01a5f9b9553c59
Link:
https://www.unpac.me/results/ea2e95a2-fcb6-46e9-bf6c-ec00305762a7/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c1bf9e8d217b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c1bf9e8d217baf7a33931f25d96ff9eab4c24f9702beaa41a91bcab3745a1875

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MALWARE_Win_XWorm
Create hunting rule
Author:ditekSHen
Description:Detects XWorm
Rule name:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SelfExtractingRAR
Create hunting rule
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:Windows_Trojan_Xworm_732e6c12
Create hunting rule
Author:Elastic Security
Rule name:win_xwormmm_s1_6f74
Create hunting rule
Author:Johannes Bader
Description:detects unpacked Xwormmm samples

File information

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

Malspam

XWorm

Executable exe c1bf9e8d217baf7a33931f25d96ff9eab4c24f9702beaa41a91bcab3745a1875

(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
Reviews
IDCapabilitiesEvidence
GDI_PLUS_APIInterfaces with Graphicsgdiplus.dll::GdiplusStartup
gdiplus.dll::GdiplusShutdown
gdiplus.dll::GdipAlloc
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::AttachConsole
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileMappingW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW

Comments