a2d3d6430f6775951cf988d960cfae4093d7a1e4d0f684ddfffaf4599ace9a71

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\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
3888	joinResult.exe
3232	VyprVPN.exe
1012	1111.exe
2756	Clipper.exe
580	WinService.exe
3524	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-1-5-21-3341490333-719741536-2920803124-1000\Control Panel\International\Geo\Nation	1111.exe

Loads dropped DLL 2 IoCs

pid	Process
1028	VyprVPN.exe
3888	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 2 IoCs

pid	Process
1012	1111.exe
1012	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
behavioral24/files/0x000100000001ab95-2.dat	nsis_installer_1
behavioral24/files/0x000100000001ab95-2.dat	nsis_installer_2
behavioral24/files/0x000100000001ab95-5.dat	nsis_installer_1
behavioral24/files/0x000100000001ab95-5.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
1464	schtasks.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1036	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1012	1111.exe
1012	1111.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2756	Clipper.exe
Token: SeDebugPrivilege	580	WinService.exe
Token: SeDebugPrivilege	3524	WinService.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1012	1111.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1028 wrote to memory of 3888	1028	VyprVPN.exe	75
PID 1028 wrote to memory of 3888	1028	VyprVPN.exe	75
PID 1028 wrote to memory of 3888	1028	VyprVPN.exe	75
PID 1028 wrote to memory of 3232	1028	VyprVPN.exe	76
PID 1028 wrote to memory of 3232	1028	VyprVPN.exe	76
PID 1028 wrote to memory of 3232	1028	VyprVPN.exe	76
PID 3888 wrote to memory of 1012	3888	joinResult.exe	78
PID 3888 wrote to memory of 1012	3888	joinResult.exe	78
PID 3888 wrote to memory of 1012	3888	joinResult.exe	78
PID 3888 wrote to memory of 2756	3888	joinResult.exe	79
PID 3888 wrote to memory of 2756	3888	joinResult.exe	79
PID 2756 wrote to memory of 1464	2756	Clipper.exe	81
PID 2756 wrote to memory of 1464	2756	Clipper.exe	81
PID 2756 wrote to memory of 580	2756	Clipper.exe	83
PID 2756 wrote to memory of 580	2756	Clipper.exe	83
PID 1012 wrote to memory of 3568	1012	1111.exe	84
PID 1012 wrote to memory of 3568	1012	1111.exe	84
PID 1012 wrote to memory of 3568	1012	1111.exe	84
PID 3568 wrote to memory of 1036	3568	cmd.exe	86
PID 3568 wrote to memory of 1036	3568	cmd.exe	86
PID 3568 wrote to memory of 1036	3568	cmd.exe	86

C:\Users\Admin\AppData\Local\Temp\VPN\VyprVPN.exe
"C:\Users\Admin\AppData\Local\Temp\VPN\VyprVPN.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1028
- 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:3888
- - 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:1012
  - - 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:3568
    - - C:\Windows\SysWOW64\PING.EXE
        
        ping 1.1.1.1 -n 3 -w 3000
        5⤵
        Runs ping.exe
        
        PID:1036
- - 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:2756
  - - 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:1464
  - - C:\Users\Admin\WinService.exe
      "C:\Users\Admin\WinService.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      PID:580
- C:\Users\Admin\AppData\Roaming\1337\VyprVPN.exe
  "C:\Users\Admin\AppData\Roaming\1337\VyprVPN.exe"
  2⤵
  - Executes dropped EXE
  PID:3232

C:\Users\Admin\WinService.exe
C:\Users\Admin\WinService.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3524

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/580-32-0x00007FFC48760000-0x00007FFC4914C000-memory.dmp

Filesize
9.9MB

Download
memory/1012-24-0x0000000003B10000-0x0000000003B11000-memory.dmp

Filesize
4KB

Download
memory/1012-20-0x0000000003910000-0x0000000003911000-memory.dmp

Filesize
4KB

Download
memory/1012-22-0x0000000003910000-0x0000000003911000-memory.dmp

Filesize
4KB

Download
memory/2756-23-0x0000000000FC0000-0x0000000000FC1000-memory.dmp

Filesize
4KB

Download
memory/2756-18-0x00007FFC48760000-0x00007FFC4914C000-memory.dmp

Filesize
9.9MB

Download
memory/3232-8-0x0000000072FA0000-0x000000007368E000-memory.dmp

Filesize
6.9MB

Download
memory/3232-27-0x0000000005820000-0x0000000005821000-memory.dmp

Filesize
4KB

Download
memory/3232-26-0x00000000055D0000-0x00000000055D1000-memory.dmp

Filesize
4KB

Download
memory/3232-21-0x0000000005660000-0x0000000005661000-memory.dmp

Filesize
4KB

Download
memory/3232-19-0x0000000005AC0000-0x0000000005AC1000-memory.dmp

Filesize
4KB

Download
memory/3232-14-0x0000000005510000-0x0000000005511000-memory.dmp

Filesize
4KB

Download
memory/3232-9-0x00000000009F0000-0x00000000009F1000-memory.dmp

Filesize
4KB

Download
memory/3524-38-0x00007FFC48760000-0x00007FFC4914C000-memory.dmp

Filesize
9.9MB

Download