d91912b4b945e88e881e54573390e6723cfc41916b6546453b59e60f9beee337

Analysis

max time kernel
1788s
max time network
1806s
platform
windows10_x64
resource
win10v20201028
submitted
20-11-2020 14:34

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General

Target

ForceOp 2.8.7 - By RaiSence.exe

Score

10^/10

Malware Config

Signatures

Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

Processes:

WerFault.exe

description pid process target process

PID 184 created 2744 184 WerFault.exe Idle.exe
Executes dropped EXE 2 IoCs

Processes:

wincommon.exeIdle.exe

pid process

3876 wincommon.exe
2744 Idle.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

184 2744 WerFault.exe Idle.exe
Creates scheduled task(s) 1 TTPs 5 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exe

pid process

3576 schtasks.exe
2424 schtasks.exe
3604 schtasks.exe
1480 schtasks.exe
2324 schtasks.exe
Modifies registry class 1 IoCs

Processes:

ForceOp 2.8.7 - By RaiSence.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000_Classes\Local Settings ForceOp 2.8.7 - By RaiSence.exe

description	pid	process	target process
PID 184 created 2744	184	WerFault.exe	Idle.exe

pid	pid_target	process	target process
184	2744	WerFault.exe	Idle.exe

pid	process
3576	schtasks.exe
2424	schtasks.exe
3604	schtasks.exe
1480	schtasks.exe
2324	schtasks.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000_Classes\Local Settings	ForceOp 2.8.7 - By RaiSence.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

wincommon.exeIdle.exeWerFault.exe

pid	process
3876	wincommon.exe
2744	Idle.exe
184	WerFault.exe
184	WerFault.exe
184	WerFault.exe
184	WerFault.exe
184	WerFault.exe
184	WerFault.exe
184	WerFault.exe
184	WerFault.exe
184	WerFault.exe
184	WerFault.exe
184	WerFault.exe
184	WerFault.exe
184	WerFault.exe
184	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

wincommon.exeIdle.exeWerFault.exe

description pid process

Token: SeDebugPrivilege 3876 wincommon.exe
Token: SeDebugPrivilege 2744 Idle.exe
Token: SeDebugPrivilege 184 WerFault.exe

description	pid	process
Token: SeDebugPrivilege	3876	wincommon.exe
Token: SeDebugPrivilege	2744	Idle.exe
Token: SeDebugPrivilege	184	WerFault.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

ForceOp 2.8.7 - By RaiSence.exeWScript.execmd.exewincommon.exe

description	pid	process	target process
PID 732 wrote to memory of 3308	732	ForceOp 2.8.7 - By RaiSence.exe	WScript.exe
PID 732 wrote to memory of 3308	732	ForceOp 2.8.7 - By RaiSence.exe	WScript.exe
PID 732 wrote to memory of 3308	732	ForceOp 2.8.7 - By RaiSence.exe	WScript.exe
PID 732 wrote to memory of 504	732	ForceOp 2.8.7 - By RaiSence.exe	WScript.exe
PID 732 wrote to memory of 504	732	ForceOp 2.8.7 - By RaiSence.exe	WScript.exe
PID 732 wrote to memory of 504	732	ForceOp 2.8.7 - By RaiSence.exe	WScript.exe
PID 3308 wrote to memory of 3712	3308	WScript.exe	cmd.exe
PID 3308 wrote to memory of 3712	3308	WScript.exe	cmd.exe
PID 3308 wrote to memory of 3712	3308	WScript.exe	cmd.exe
PID 3712 wrote to memory of 3876	3712	cmd.exe	wincommon.exe
PID 3712 wrote to memory of 3876	3712	cmd.exe	wincommon.exe
PID 3876 wrote to memory of 1480	3876	wincommon.exe	schtasks.exe
PID 3876 wrote to memory of 1480	3876	wincommon.exe	schtasks.exe
PID 3876 wrote to memory of 2324	3876	wincommon.exe	schtasks.exe
PID 3876 wrote to memory of 2324	3876	wincommon.exe	schtasks.exe
PID 3876 wrote to memory of 3576	3876	wincommon.exe	schtasks.exe
PID 3876 wrote to memory of 3576	3876	wincommon.exe	schtasks.exe
PID 3876 wrote to memory of 2424	3876	wincommon.exe	schtasks.exe
PID 3876 wrote to memory of 2424	3876	wincommon.exe	schtasks.exe
PID 3876 wrote to memory of 3604	3876	wincommon.exe	schtasks.exe
PID 3876 wrote to memory of 3604	3876	wincommon.exe	schtasks.exe
PID 3876 wrote to memory of 2744	3876	wincommon.exe	Idle.exe
PID 3876 wrote to memory of 2744	3876	wincommon.exe	Idle.exe

C:\Users\Admin\AppData\Local\Temp\ForceOp 2.8.7 - By RaiSence.exe
"C:\Users\Admin\AppData\Local\Temp\ForceOp 2.8.7 - By RaiSence.exe"
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:732

C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\intofont\1Udi0TDz635jTrMWFNrE4kqnOIuYIi.vbe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3308

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\intofont\xLg6v1j1ZJy5DZ1pz826KfZq2BmfLM.bat" "
3⤵
- Suspicious use of WriteProcessMemory
PID:3712

C:\intofont\wincommon.exe
"C:\intofont\wincommon.exe"
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3876

C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "services" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\services.exe'" /rl HIGHEST /f
5⤵
- Creates scheduled task(s)
PID:1480

C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "svchost" /sc ONLOGON /tr "'C:\ProgramData\WindowsHolographicDevices\SpatialStore\svchost.exe'" /rl HIGHEST /f
5⤵
- Creates scheduled task(s)
PID:2324

C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "svchost" /sc ONLOGON /tr "'C:\intofont\svchost.exe'" /rl HIGHEST /f
5⤵
- Creates scheduled task(s)
PID:3576

C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\RuntimeBroker.exe'" /rl HIGHEST /f
5⤵
- Creates scheduled task(s)
PID:2424

C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "Idle" /sc ONLOGON /tr "'C:\PerfLogs\Idle.exe'" /rl HIGHEST /f
5⤵
- Creates scheduled task(s)
PID:3604

C:\PerfLogs\Idle.exe
"C:\PerfLogs\Idle.exe"
5⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2744

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2744 -s 1784
6⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:184

C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\intofont\msg.vbs"
2⤵
PID:504

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\PerfLogs\Idle.exe

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C:\PerfLogs\Idle.exe

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C:\intofont\1Udi0TDz635jTrMWFNrE4kqnOIuYIi.vbe

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C:\intofont\MOS

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C:\intofont\msg.vbs

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C:\intofont\wincommon.exe

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C:\intofont\wincommon.exe

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C:\intofont\xLg6v1j1ZJy5DZ1pz826KfZq2BmfLM.bat

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memory/184-58-0x0000022932090000-0x0000022932091000-memory.dmp

Filesize
4KB

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memory/184-57-0x0000022932090000-0x0000022932091000-memory.dmp

Filesize
4KB

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memory/184-40-0x0000022931220000-0x0000022931221000-memory.dmp

Filesize
4KB

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memory/184-39-0x0000022931220000-0x0000022931221000-memory.dmp

Filesize
4KB

Download
memory/504-14-0x0000000000000000-mapping.dmp

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memory/1480-27-0x0000000000000000-mapping.dmp

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memory/2324-28-0x0000000000000000-mapping.dmp

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memory/2424-30-0x0000000000000000-mapping.dmp

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memory/2744-48-0x0000000000000000-mapping.dmp

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memory/2744-55-0x0000000000000000-mapping.dmp

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memory/2744-32-0x0000000000000000-mapping.dmp

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memory/2744-52-0x0000000000000000-mapping.dmp

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memory/2744-51-0x0000000000000000-mapping.dmp

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memory/2744-35-0x00007FF99FA60000-0x00007FF9A044C000-memory.dmp

Filesize
9.9MB

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memory/2744-56-0x0000000000000000-mapping.dmp

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memory/2744-54-0x0000000000000000-mapping.dmp

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memory/2744-42-0x0000000000000000-mapping.dmp

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memory/2744-44-0x0000000000000000-mapping.dmp

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memory/2744-43-0x0000000000000000-mapping.dmp

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memory/2744-45-0x0000000000000000-mapping.dmp

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memory/2744-47-0x0000000000000000-mapping.dmp

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memory/2744-46-0x0000000000000000-mapping.dmp

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memory/2744-53-0x0000000000000000-mapping.dmp

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memory/2744-50-0x0000000000000000-mapping.dmp

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memory/2744-49-0x0000000000000000-mapping.dmp

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memory/3308-1-0x0000000000000000-mapping.dmp

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memory/3576-29-0x0000000000000000-mapping.dmp

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memory/3604-31-0x0000000000000000-mapping.dmp

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memory/3712-19-0x0000000000000000-mapping.dmp

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memory/3876-23-0x00007FF99FA60000-0x00007FF9A044C000-memory.dmp

Filesize
9.9MB

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memory/3876-24-0x0000000000A00000-0x0000000000A01000-memory.dmp

Filesize
4KB

Download
memory/3876-26-0x000000001C430000-0x000000001C431000-memory.dmp

Filesize
4KB

Download
memory/3876-20-0x0000000000000000-mapping.dmp

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