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

Processes:

joinResult.exeVyprVPN.exe1111.exeClipper.exeWinService.exeWinService.exe

pid process

4252 joinResult.exe
2800 VyprVPN.exe
3200 1111.exe
3220 Clipper.exe
912 WinService.exe
4456 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

Processes:

1111.exe

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

Processes:

VyprVPN.exejoinResult.exe

pid process

4764 VyprVPN.exe
4252 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

Processes:

1111.exe

pid process

3200 1111.exe
3200 1111.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

pid	process
4252	joinResult.exe
2800	VyprVPN.exe
3200	1111.exe
3220	Clipper.exe
912	WinService.exe
4456	WinService.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Control Panel\International\Geo\Nation	1111.exe

pid	process
4764	VyprVPN.exe
4252	joinResult.exe

pid	process
3200	1111.exe
3200	1111.exe

NSIS installer 4 IoCs

installer

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\1337\joinResult.exe	nsis_installer_1
C:\Users\Admin\AppData\Roaming\1337\joinResult.exe	nsis_installer_2
C:\Users\Admin\AppData\Roaming\1337\joinResult.exe	nsis_installer_1
C:\Users\Admin\AppData\Roaming\1337\joinResult.exe	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

Processes:

schtasks.exe

pid process

552 schtasks.exe
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1192 PING.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

1111.exe

pid process

3200 1111.exe
3200 1111.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Clipper.exeWinService.exeWinService.exe

description pid process

Token: SeDebugPrivilege 3220 Clipper.exe
Token: SeDebugPrivilege 912 WinService.exe
Token: SeDebugPrivilege 4456 WinService.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

1111.exe

pid process

3200 1111.exe

pid	process
552	schtasks.exe

pid	process
1192	PING.EXE

pid	process
3200	1111.exe
3200	1111.exe

description	pid	process
Token: SeDebugPrivilege	3220	Clipper.exe
Token: SeDebugPrivilege	912	WinService.exe
Token: SeDebugPrivilege	4456	WinService.exe

pid	process
3200	1111.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

VyprVPN.exejoinResult.exeClipper.exe1111.execmd.exe

description	pid	process	target process
PID 4764 wrote to memory of 4252	4764	VyprVPN.exe	joinResult.exe
PID 4764 wrote to memory of 4252	4764	VyprVPN.exe	joinResult.exe
PID 4764 wrote to memory of 4252	4764	VyprVPN.exe	joinResult.exe
PID 4764 wrote to memory of 2800	4764	VyprVPN.exe	VyprVPN.exe
PID 4764 wrote to memory of 2800	4764	VyprVPN.exe	VyprVPN.exe
PID 4764 wrote to memory of 2800	4764	VyprVPN.exe	VyprVPN.exe
PID 4252 wrote to memory of 3200	4252	joinResult.exe	1111.exe
PID 4252 wrote to memory of 3200	4252	joinResult.exe	1111.exe
PID 4252 wrote to memory of 3200	4252	joinResult.exe	1111.exe
PID 4252 wrote to memory of 3220	4252	joinResult.exe	Clipper.exe
PID 4252 wrote to memory of 3220	4252	joinResult.exe	Clipper.exe
PID 3220 wrote to memory of 552	3220	Clipper.exe	schtasks.exe
PID 3220 wrote to memory of 552	3220	Clipper.exe	schtasks.exe
PID 3220 wrote to memory of 912	3220	Clipper.exe	WinService.exe
PID 3220 wrote to memory of 912	3220	Clipper.exe	WinService.exe
PID 3200 wrote to memory of 1604	3200	1111.exe	cmd.exe
PID 3200 wrote to memory of 1604	3200	1111.exe	cmd.exe
PID 3200 wrote to memory of 1604	3200	1111.exe	cmd.exe
PID 1604 wrote to memory of 1192	1604	cmd.exe	PING.EXE
PID 1604 wrote to memory of 1192	1604	cmd.exe	PING.EXE
PID 1604 wrote to memory of 1192	1604	cmd.exe	PING.EXE

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:4764

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:4252

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:3200

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:1604

C:\Windows\SysWOW64\PING.EXE
ping 1.1.1.1 -n 3 -w 3000
5⤵
- Runs ping.exe
PID:1192

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:3220

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:552

C:\Users\Admin\WinService.exe
"C:\Users\Admin\WinService.exe"
4⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:912

C:\Users\Admin\AppData\Roaming\1337\VyprVPN.exe
"C:\Users\Admin\AppData\Roaming\1337\VyprVPN.exe"
2⤵
- Executes dropped EXE
PID:2800

C:\Users\Admin\WinService.exe
C:\Users\Admin\WinService.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4456

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

C:\Users\Admin\AppData\Roaming\1337\1111.exe

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C:\Users\Admin\AppData\Roaming\1337\1111.exe

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C:\Users\Admin\AppData\Roaming\1337\Clipper.exe

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C:\Users\Admin\AppData\Roaming\1337\Clipper.exe

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C:\Users\Admin\AppData\Roaming\1337\VyprVPN.exe

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C:\Users\Admin\AppData\Roaming\1337\VyprVPN.exe

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C:\Users\Admin\AppData\Roaming\1337\joinResult.exe

MD5
79022fbafee9fe740a5230f87bd33171

SHA1
42bf0f7bf41009fd0009535a8b1162cbe60dce6f

SHA256
640c30cfa519be11c02c4e51bf18979a93266887cc9ef19076b3d0f1f20528b6

SHA512
48e0d4a18d99dce4398de73895a157e13293115b52ee5158f9ea6fc73c4d5f4133e1cebba14ff5482b8c4f7dfeebfe3b003df1caf351314f1cc16944818df4b3

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C:\Users\Admin\AppData\Roaming\1337\joinResult.exe

MD5
79022fbafee9fe740a5230f87bd33171

SHA1
42bf0f7bf41009fd0009535a8b1162cbe60dce6f

SHA256
640c30cfa519be11c02c4e51bf18979a93266887cc9ef19076b3d0f1f20528b6

SHA512
48e0d4a18d99dce4398de73895a157e13293115b52ee5158f9ea6fc73c4d5f4133e1cebba14ff5482b8c4f7dfeebfe3b003df1caf351314f1cc16944818df4b3

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C:\Users\Admin\WinService.exe

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C:\Users\Admin\WinService.exe

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C:\Users\Admin\WinService.exe

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\Users\Admin\AppData\Local\Temp\nsl891D.tmp\System.dll

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\Users\Admin\AppData\Local\Temp\nsy8DF0.tmp\System.dll

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memory/552-28-0x0000000000000000-mapping.dmp

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memory/912-32-0x00007FF93F450000-0x00007FF93FE3C000-memory.dmp

Filesize
9.9MB

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memory/912-29-0x0000000000000000-mapping.dmp

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memory/1192-36-0x0000000000000000-mapping.dmp

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memory/1604-35-0x0000000000000000-mapping.dmp

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memory/2800-8-0x0000000073060000-0x000000007374E000-memory.dmp

Filesize
6.9MB

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memory/2800-9-0x0000000000610000-0x0000000000611000-memory.dmp

Filesize
4KB

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memory/2800-3-0x0000000000000000-mapping.dmp

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memory/2800-11-0x0000000005170000-0x0000000005171000-memory.dmp

Filesize
4KB

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memory/2800-15-0x0000000005770000-0x0000000005771000-memory.dmp

Filesize
4KB

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memory/2800-20-0x0000000005310000-0x0000000005311000-memory.dmp

Filesize
4KB

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memory/2800-26-0x0000000005150000-0x0000000005151000-memory.dmp

Filesize
4KB

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memory/2800-27-0x00000000054A0000-0x00000000054A1000-memory.dmp

Filesize
4KB

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memory/3200-21-0x0000000002F10000-0x0000000002F11000-memory.dmp

Filesize
4KB

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memory/3200-24-0x0000000003010000-0x0000000003011000-memory.dmp

Filesize
4KB

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memory/3200-12-0x0000000000000000-mapping.dmp

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memory/3200-22-0x0000000002F10000-0x0000000002F11000-memory.dmp

Filesize
4KB

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memory/3220-23-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

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memory/3220-13-0x0000000000000000-mapping.dmp

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memory/3220-19-0x00007FF93F450000-0x00007FF93FE3C000-memory.dmp

Filesize
9.9MB

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memory/4252-1-0x0000000000000000-mapping.dmp

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memory/4456-38-0x00007FF93F450000-0x00007FF93FE3C000-memory.dmp

Filesize
9.9MB

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