strrat | 4e0ddcd303f27c01dcc8a35a9bd821c53fb7dcca474ac7f0c84d3c6451e9f778

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	x.exe

Blocklisted process makes network request 6 IoCs

flow	pid	Process
5	2284	powershell.exe
6	2284	powershell.exe
9	2492	wscript.exe
11	2492	wscript.exe
14	2492	wscript.exe
15	2492	wscript.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

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

Query Registry

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	x.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	x.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Antimalware Service Executable.JS	WScript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Antimalware Service Executable.JS	wscript.exe

Executes dropped EXE 3 IoCs

pid	Process
3036	EmbraTor Mac Smash Bullet.exe
1668	x.exe
1052	CL_Debug_Log.txt

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Wine	x.exe

Loads dropped DLL 4 IoCs

pid	Process
2320	14052163e50c197697c64b143.exe
2320	14052163e50c197697c64b143.exe
2564	WScript.exe
1668	x.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\Antimalware Service Executable = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Antimalware Service Executable.JS\""	WScript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Antimalware Service Executable = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Antimalware Service Executable.JS\""	WScript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\Antimalware Service Executable = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Antimalware Service Executable.JS\""	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Antimalware Service Executable = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Antimalware Service Executable.JS\""	wscript.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
8	ip-api.com

AutoIT Executable 4 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/1668-78-0x0000000001290000-0x00000000024B6000-memory.dmp	autoit_exe
behavioral1/files/0x0006000000016056-86.dat	autoit_exe
behavioral1/memory/1668-93-0x0000000001290000-0x00000000024B6000-memory.dmp	autoit_exe
behavioral1/files/0x0007000000015f1b-90.dat	autoit_exe

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

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

persistence

Scheduled Task/Job

pid	Process
2332	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2284	powershell.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2284	powershell.exe
Token: SeRestorePrivilege	1052	CL_Debug_Log.txt
Token: 35	1052	CL_Debug_Log.txt
Token: SeSecurityPrivilege	1052	CL_Debug_Log.txt
Token: SeSecurityPrivilege	1052	CL_Debug_Log.txt

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1668	x.exe
1668	x.exe
1668	x.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1668	x.exe
1668	x.exe
1668	x.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3036	EmbraTor Mac Smash Bullet.exe

Suspicious use of WriteProcessMemory 48 IoCs

description	pid	Process	procid_target
PID 2320 wrote to memory of 2404	2320	14052163e50c197697c64b143.exe	28
PID 2320 wrote to memory of 2404	2320	14052163e50c197697c64b143.exe	28
PID 2320 wrote to memory of 2404	2320	14052163e50c197697c64b143.exe	28
PID 2320 wrote to memory of 2404	2320	14052163e50c197697c64b143.exe	28
PID 2320 wrote to memory of 2564	2320	14052163e50c197697c64b143.exe	29
PID 2320 wrote to memory of 2564	2320	14052163e50c197697c64b143.exe	29
PID 2320 wrote to memory of 2564	2320	14052163e50c197697c64b143.exe	29
PID 2320 wrote to memory of 2564	2320	14052163e50c197697c64b143.exe	29
PID 2320 wrote to memory of 2680	2320	14052163e50c197697c64b143.exe	30
PID 2320 wrote to memory of 2680	2320	14052163e50c197697c64b143.exe	30
PID 2320 wrote to memory of 2680	2320	14052163e50c197697c64b143.exe	30
PID 2320 wrote to memory of 2680	2320	14052163e50c197697c64b143.exe	30
PID 2320 wrote to memory of 2728	2320	14052163e50c197697c64b143.exe	31
PID 2320 wrote to memory of 2728	2320	14052163e50c197697c64b143.exe	31
PID 2320 wrote to memory of 2728	2320	14052163e50c197697c64b143.exe	31
PID 2320 wrote to memory of 2728	2320	14052163e50c197697c64b143.exe	31
PID 2680 wrote to memory of 2284	2680	WScript.exe	32
PID 2680 wrote to memory of 2284	2680	WScript.exe	32
PID 2680 wrote to memory of 2284	2680	WScript.exe	32
PID 2680 wrote to memory of 2284	2680	WScript.exe	32
PID 2320 wrote to memory of 3036	2320	14052163e50c197697c64b143.exe	34
PID 2320 wrote to memory of 3036	2320	14052163e50c197697c64b143.exe	34
PID 2320 wrote to memory of 3036	2320	14052163e50c197697c64b143.exe	34
PID 2320 wrote to memory of 3036	2320	14052163e50c197697c64b143.exe	34
PID 2404 wrote to memory of 2492	2404	WScript.exe	35
PID 2404 wrote to memory of 2492	2404	WScript.exe	35
PID 2404 wrote to memory of 2492	2404	WScript.exe	35
PID 2404 wrote to memory of 2492	2404	WScript.exe	35
PID 2564 wrote to memory of 1668	2564	WScript.exe	37
PID 2564 wrote to memory of 1668	2564	WScript.exe	37
PID 2564 wrote to memory of 1668	2564	WScript.exe	37
PID 2564 wrote to memory of 1668	2564	WScript.exe	37
PID 1668 wrote to memory of 1052	1668	x.exe	38
PID 1668 wrote to memory of 1052	1668	x.exe	38
PID 1668 wrote to memory of 1052	1668	x.exe	38
PID 1668 wrote to memory of 1052	1668	x.exe	38
PID 1668 wrote to memory of 2112	1668	x.exe	44
PID 1668 wrote to memory of 2112	1668	x.exe	44
PID 1668 wrote to memory of 2112	1668	x.exe	44
PID 1668 wrote to memory of 2112	1668	x.exe	44
PID 2112 wrote to memory of 2332	2112	cmd.exe	46
PID 2112 wrote to memory of 2332	2112	cmd.exe	46
PID 2112 wrote to memory of 2332	2112	cmd.exe	46
PID 2112 wrote to memory of 2332	2112	cmd.exe	46
PID 1668 wrote to memory of 2680	1668	x.exe	47
PID 1668 wrote to memory of 2680	1668	x.exe	47
PID 1668 wrote to memory of 2680	1668	x.exe	47
PID 1668 wrote to memory of 2680	1668	x.exe	47

C:\Users\Admin\AppData\Local\Temp\14052163e50c197697c64b143.exe
"C:\Users\Admin\AppData\Local\Temp\14052163e50c197697c64b143.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2320
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Antimalware Service Executable.JS"
  2⤵
  - Drops startup file
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2404
- - C:\Windows\SysWOW64\wscript.exe
    "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\Antimalware Service Executable.JS"
    3⤵
    - Blocklisted process makes network request
    - Drops startup file
    - Adds Run key to start application
    PID:2492
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\MsMpEng.js"
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2564
- - C:\Users\Admin\AppData\Local\Temp\x.exe
    "C:\Users\Admin\AppData\Local\Temp\x.exe"
    3⤵
    - Identifies VirtualBox via ACPI registry values (likely anti-VM)
    - Checks BIOS information in registry
    - Executes dropped EXE
    - Identifies Wine through registry keys
    - Loads dropped DLL
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    - Suspicious use of WriteProcessMemory
    PID:1668
  - - C:\Users\Admin\AppData\Local\Temp\CL_Debug_Log.txt
      C:\Users\Admin\AppData\Local\Temp\CL_Debug_Log.txt e -p"JDQJndnqwdnqw2139dn21n3b312idDQDB" "C:\Users\Admin\AppData\Local\Temp\CR_Debug_Log.txt" -o"C:\Users\Admin\AppData\Local\Temp\"
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      PID:1052
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c schtasks.exe /Create /XML "C:\Users\Admin\AppData\Local\Temp\SystemCheck.xml" /TN "System\SystemCheck"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2112
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks.exe /Create /XML "C:\Users\Admin\AppData\Local\Temp\SystemCheck.xml" /TN "System\SystemCheck"
        5⤵
        Creates scheduled task(s)
        
        PID:2332
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c For /L %i In (0,0,0) Do (del "C:\Users\Admin\AppData\Local\Temp\x.exe"&&timeout /t 0&&if not exist "C:\Users\Admin\AppData\Local\Temp\x.exe" exit)
      4⤵
      PID:2680
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Windows Driver Foundation.vbs"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2680
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -executionpolicy remotesigned -File "C:\ProgramData\rrrrrrrr.ps1"
    3⤵
    - Blocklisted process makes network request
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2284
- C:\Program Files\Java\jre7\bin\javaw.exe
  "C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Local\Temp\Java Install.jar"
  2⤵
  PID:2728
- C:\Users\Admin\AppData\Local\Temp\EmbraTor Mac Smash Bullet.exe
  "C:\Users\Admin\AppData\Local\Temp\EmbraTor Mac Smash Bullet.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:3036

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

Defense Evasion

Modify Registry

T1112

Virtualization/Sandbox Evasion

Credential Access

Discovery

Query Registry

System Information Discovery

T1082

Virtualization/Sandbox Evasion