d91912b4b945e88e881e54573390e6723cfc41916b6546453b59e60f9beee337

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, C:\\Users\\Admin\\WinService.exe"	Clipper.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, C:\\Users\\Admin\\WinService.exe"	Clipper.exe

Executes dropped EXE 6 IoCs

pid	Process
3772	joinResult.exe
3120	VyprVPN.exe
3304	1111.exe
2816	Clipper.exe
492	WinService.exe
2024	WinService.exe

Checks computer location settings 2 TTPs 1 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-1-5-21-1985363256-3005190890-1182679451-1000\Control Panel\International\Geo\Nation	1111.exe

Loads dropped DLL 2 IoCs

pid	Process
540	VyprVPN.exe
3772	joinResult.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3304	1111.exe

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

System Information Discovery
T1082

NSIS installer 4 IoCs

installer

resource	yara_rule
behavioral30/files/0x000100000001abc4-2.dat	nsis_installer_1
behavioral30/files/0x000100000001abc4-2.dat	nsis_installer_2
behavioral30/files/0x000100000001abc4-3.dat	nsis_installer_1
behavioral30/files/0x000100000001abc4-3.dat	nsis_installer_2

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

T1053

pid	Process
1920	schtasks.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1896	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3304	1111.exe
3304	1111.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2816	Clipper.exe
Token: SeDebugPrivilege	492	WinService.exe
Token: SeDebugPrivilege	2024	WinService.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3304	1111.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 540 wrote to memory of 3772	540	VyprVPN.exe	75
PID 540 wrote to memory of 3772	540	VyprVPN.exe	75
PID 540 wrote to memory of 3772	540	VyprVPN.exe	75
PID 540 wrote to memory of 3120	540	VyprVPN.exe	76
PID 540 wrote to memory of 3120	540	VyprVPN.exe	76
PID 540 wrote to memory of 3120	540	VyprVPN.exe	76
PID 3772 wrote to memory of 3304	3772	joinResult.exe	77
PID 3772 wrote to memory of 3304	3772	joinResult.exe	77
PID 3772 wrote to memory of 3304	3772	joinResult.exe	77
PID 3772 wrote to memory of 2816	3772	joinResult.exe	78
PID 3772 wrote to memory of 2816	3772	joinResult.exe	78
PID 2816 wrote to memory of 1920	2816	Clipper.exe	79
PID 2816 wrote to memory of 1920	2816	Clipper.exe	79
PID 2816 wrote to memory of 492	2816	Clipper.exe	81
PID 2816 wrote to memory of 492	2816	Clipper.exe	81
PID 3304 wrote to memory of 3628	3304	1111.exe	82
PID 3304 wrote to memory of 3628	3304	1111.exe	82
PID 3304 wrote to memory of 3628	3304	1111.exe	82
PID 3628 wrote to memory of 1896	3628	cmd.exe	84
PID 3628 wrote to memory of 1896	3628	cmd.exe	84
PID 3628 wrote to memory of 1896	3628	cmd.exe	84

C:\Users\Admin\AppData\Local\Temp\VyprVPN.exe
"C:\Users\Admin\AppData\Local\Temp\VyprVPN.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:540
- C:\Users\Admin\AppData\Roaming\1337\joinResult.exe
  "C:\Users\Admin\AppData\Roaming\1337\joinResult.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:3772
- - C:\Users\Admin\AppData\Roaming\1337\1111.exe
    "C:\Users\Admin\AppData\Roaming\1337\1111.exe"
    3⤵
    - Executes dropped EXE
    - Checks computer location settings
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3304
  - - C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C ping 1.1.1.1 -n 3 -w 3000 > Nul & Del /f /q "C:\Users\Admin\AppData\Roaming\1337\1111.exe"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3628
    - - C:\Windows\SysWOW64\PING.EXE
        
        ping 1.1.1.1 -n 3 -w 3000
        5⤵
        Runs ping.exe
        
        PID:1896
- - C:\Users\Admin\AppData\Roaming\1337\Clipper.exe
    "C:\Users\Admin\AppData\Roaming\1337\Clipper.exe"
    3⤵
    - Modifies WinLogon for persistence
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2816
  - - C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /sc MINUTE /mo 1 /tn "Windows Service" /tr "C:\Users\Admin\WinService.exe" /f
      4⤵
      Creates scheduled task(s)
      PID:1920
  - - C:\Users\Admin\WinService.exe
      "C:\Users\Admin\WinService.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      PID:492
- C:\Users\Admin\AppData\Roaming\1337\VyprVPN.exe
  "C:\Users\Admin\AppData\Roaming\1337\VyprVPN.exe"
  2⤵
  - Executes dropped EXE
  PID:3120

C:\Users\Admin\WinService.exe
C:\Users\Admin\WinService.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2024

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Winlogon Helper DLL

T1004

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/492-25-0x00007FF9A7730000-0x00007FF9A811C000-memory.dmp

Filesize
9.9MB

Download
memory/2024-38-0x00007FF9A77D0000-0x00007FF9A81BC000-memory.dmp

Filesize
9.9MB

Download
memory/2816-14-0x00007FF9A7730000-0x00007FF9A811C000-memory.dmp

Filesize
9.9MB

Download
memory/2816-19-0x0000000000420000-0x0000000000421000-memory.dmp

Filesize
4KB

Download
memory/3120-18-0x00000000731F0000-0x00000000738DE000-memory.dmp

Filesize
6.9MB

Download
memory/3120-35-0x0000000005540000-0x0000000005541000-memory.dmp

Filesize
4KB

Download
memory/3120-36-0x0000000005840000-0x0000000005841000-memory.dmp

Filesize
4KB

Download
memory/3120-28-0x0000000000A10000-0x0000000000A11000-memory.dmp

Filesize
4KB

Download
memory/3120-30-0x00000000055A0000-0x00000000055A1000-memory.dmp

Filesize
4KB

Download
memory/3120-31-0x0000000005B40000-0x0000000005B41000-memory.dmp

Filesize
4KB

Download
memory/3120-32-0x00000000056E0000-0x00000000056E1000-memory.dmp

Filesize
4KB

Download
memory/3304-16-0x00000000038E0000-0x00000000038E1000-memory.dmp

Filesize
4KB

Download
memory/3304-17-0x0000000003AE0000-0x0000000003AE1000-memory.dmp

Filesize
4KB

Download
memory/3304-15-0x00000000038E0000-0x00000000038E1000-memory.dmp

Filesize
4KB

Download