strrat | 4e0ddcd303f27c01dcc8a35a9bd821c53fb7dcca474ac7f0c84d3c6451e9f778

Virtualization/Sandbox Evasion

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

Blocklisted process makes network request 14 IoCs

flow	pid	Process
3	4336	wscript.exe
8	4336	wscript.exe
11	1440	powershell.exe
12	1440	powershell.exe
14	4336	wscript.exe
17	4336	wscript.exe
18	4336	wscript.exe
24	4336	wscript.exe
25	4336	wscript.exe
30	4336	wscript.exe
31	4336	wscript.exe
33	4336	wscript.exe
34	4336	wscript.exe
35	4336	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
4948	EmbraTor Mac Smash Bullet.exe
2472	x.exe
4652	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-1-5-21-1739856679-3467441365-73334005-1000\Software\Wine	x.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
4540	icacls.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-1-5-21-1739856679-3467441365-73334005-1000\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-1-5-21-1739856679-3467441365-73334005-1000\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
2	ip-api.com

AutoIT Executable 7 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/2472-116-0x0000000000B70000-0x0000000001D96000-memory.dmp	autoit_exe
behavioral2/memory/2472-117-0x0000000000B70000-0x0000000001D96000-memory.dmp	autoit_exe
behavioral2/memory/2472-118-0x0000000000B70000-0x0000000001D96000-memory.dmp	autoit_exe
behavioral2/memory/2472-132-0x0000000000B70000-0x0000000001D96000-memory.dmp	autoit_exe
behavioral2/files/0x000800000001abd2-139.dat	autoit_exe
behavioral2/files/0x000900000001abcf-145.dat	autoit_exe
behavioral2/memory/2472-151-0x0000000000B70000-0x0000000001D96000-memory.dmp	autoit_exe

Drops file in Program Files directory 12 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\dll\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\dll\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\symbols\dll\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\dll\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\dll\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\symbols\dll\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jvm.pdb	javaw.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
636	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
716	timeout.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1739856679-3467441365-73334005-1000_Classes\Local Settings	14052163e50c197697c64b143.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1440	powershell.exe
1440	powershell.exe
1440	powershell.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1440	powershell.exe
Token: SeRestorePrivilege	4652	CL_Debug_Log.txt
Token: 35	4652	CL_Debug_Log.txt
Token: SeSecurityPrivilege	4652	CL_Debug_Log.txt
Token: SeSecurityPrivilege	4652	CL_Debug_Log.txt

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2472	x.exe
2472	x.exe
2472	x.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2472	x.exe
2472	x.exe
2472	x.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4948	EmbraTor Mac Smash Bullet.exe

Suspicious use of WriteProcessMemory 40 IoCs

description	pid	Process	procid_target
PID 2900 wrote to memory of 4228	2900	14052163e50c197697c64b143.exe	73
PID 2900 wrote to memory of 4228	2900	14052163e50c197697c64b143.exe	73
PID 2900 wrote to memory of 4228	2900	14052163e50c197697c64b143.exe	73
PID 2900 wrote to memory of 60	2900	14052163e50c197697c64b143.exe	74
PID 2900 wrote to memory of 60	2900	14052163e50c197697c64b143.exe	74
PID 2900 wrote to memory of 60	2900	14052163e50c197697c64b143.exe	74
PID 2900 wrote to memory of 4964	2900	14052163e50c197697c64b143.exe	75
PID 2900 wrote to memory of 4964	2900	14052163e50c197697c64b143.exe	75
PID 2900 wrote to memory of 4964	2900	14052163e50c197697c64b143.exe	75
PID 2900 wrote to memory of 4548	2900	14052163e50c197697c64b143.exe	76
PID 2900 wrote to memory of 4548	2900	14052163e50c197697c64b143.exe	76
PID 2900 wrote to memory of 4948	2900	14052163e50c197697c64b143.exe	77
PID 2900 wrote to memory of 4948	2900	14052163e50c197697c64b143.exe	77
PID 2900 wrote to memory of 4948	2900	14052163e50c197697c64b143.exe	77
PID 4964 wrote to memory of 1440	4964	WScript.exe	78
PID 4964 wrote to memory of 1440	4964	WScript.exe	78
PID 4964 wrote to memory of 1440	4964	WScript.exe	78
PID 4548 wrote to memory of 4540	4548	javaw.exe	80
PID 4548 wrote to memory of 4540	4548	javaw.exe	80
PID 4228 wrote to memory of 4336	4228	WScript.exe	82
PID 4228 wrote to memory of 4336	4228	WScript.exe	82
PID 4228 wrote to memory of 4336	4228	WScript.exe	82
PID 60 wrote to memory of 2472	60	WScript.exe	86
PID 60 wrote to memory of 2472	60	WScript.exe	86
PID 60 wrote to memory of 2472	60	WScript.exe	86
PID 2472 wrote to memory of 4652	2472	x.exe	87
PID 2472 wrote to memory of 4652	2472	x.exe	87
PID 2472 wrote to memory of 4652	2472	x.exe	87
PID 2472 wrote to memory of 1068	2472	x.exe	89
PID 2472 wrote to memory of 1068	2472	x.exe	89
PID 2472 wrote to memory of 1068	2472	x.exe	89
PID 1068 wrote to memory of 636	1068	cmd.exe	91
PID 1068 wrote to memory of 636	1068	cmd.exe	91
PID 1068 wrote to memory of 636	1068	cmd.exe	91
PID 2472 wrote to memory of 4888	2472	x.exe	92
PID 2472 wrote to memory of 4888	2472	x.exe	92
PID 2472 wrote to memory of 4888	2472	x.exe	92
PID 4888 wrote to memory of 716	4888	cmd.exe	94
PID 4888 wrote to memory of 716	4888	cmd.exe	94
PID 4888 wrote to memory of 716	4888	cmd.exe	94

C:\Users\Admin\AppData\Local\Temp\14052163e50c197697c64b143.exe
"C:\Users\Admin\AppData\Local\Temp\14052163e50c197697c64b143.exe"
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2900
- 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:4228
- - 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:4336
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\MsMpEng.js"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:60
- - 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
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    - Suspicious use of WriteProcessMemory
    PID:2472
  - - 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:4652
  - - 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:1068
    - - 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:636
  - - 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⤵
      Suspicious use of WriteProcessMemory
      PID:4888
    - - C:\Windows\SysWOW64\timeout.exe
        
        timeout /t 0
        5⤵
        Delays execution with timeout.exe
        
        PID:716
- 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:4964
- - 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:1440
- C:\Program Files\Java\jre-1.8\bin\javaw.exe
  "C:\Program Files\Java\jre-1.8\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Local\Temp\Java Install.jar"
  2⤵
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:4548
- - C:\Windows\system32\icacls.exe
    C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
    3⤵
    - Modifies file permissions
    PID:4540
- 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:4948

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

File and Directory Permissions Modification

T1222

Modify Registry

T1112

Virtualization/Sandbox Evasion

Credential Access

Discovery

Query Registry

System Information Discovery

T1082

Virtualization/Sandbox Evasion