390d7472201e8ea9bdc6c7fa2b4ab1f6faca02071f1f997037cc5f52759a9cb6

Resubmissions

12-11-2021 18:04

211112-wnzb8aahhm 10

19-11-2020 10:08

201119-rhwlt38jrx 10

18-11-2020 17:26

201118-htd4fq29va 10

Analysis

max time kernel
300s
max time network
318s
platform
windows10_x64
resource
win10-en-20211014
submitted
12-11-2021 18:04

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General

Target

ForceOp 2.8.7 - By RaiSence.exe
Size

1.0MB
MD5

0a88ebdd3ae5ab0b006d4eaa2f5bc4b2
SHA1

6bf1215ac7b1fde54442a9d075c84544b6e80d50
SHA256

26509645fe956ff1b7c540b935f88817281b65413c62da67e597eaefb2406680
SHA512

54c8cde607bd33264c61dbe750a34f8dd190dfa400fc063b61efcd4426f0635c8de42bc3daf8befb14835856b4477fec3bdc8806c555e49684528ff67dd45f37

Score

10^/10

Malware Config

Signatures

Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 2744 created 1276	2744	WerFault.exe	82

Executes dropped EXE 2 IoCs

pid	Process
2012	wincommon.exe
1276	svchost.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

pid	pid_target	Process	procid_target
2744	1276	WerFault.exe	82

Creates scheduled task(s) 1 TTPs 3 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1028	schtasks.exe
2128	schtasks.exe
1872	schtasks.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000_Classes\Local Settings	ForceOp 2.8.7 - By RaiSence.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2012	wincommon.exe
1276	svchost.exe
2744	WerFault.exe
2744	WerFault.exe
2744	WerFault.exe
2744	WerFault.exe
2744	WerFault.exe
2744	WerFault.exe
2744	WerFault.exe
2744	WerFault.exe
2744	WerFault.exe
2744	WerFault.exe
2744	WerFault.exe
2744	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2012	wincommon.exe
Token: SeDebugPrivilege	1276	svchost.exe
Token: SeDebugPrivilege	2744	WerFault.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2592 wrote to memory of 3952	2592	ForceOp 2.8.7 - By RaiSence.exe	70
PID 2592 wrote to memory of 3952	2592	ForceOp 2.8.7 - By RaiSence.exe	70
PID 2592 wrote to memory of 3952	2592	ForceOp 2.8.7 - By RaiSence.exe	70
PID 2592 wrote to memory of 3176	2592	ForceOp 2.8.7 - By RaiSence.exe	71
PID 2592 wrote to memory of 3176	2592	ForceOp 2.8.7 - By RaiSence.exe	71
PID 2592 wrote to memory of 3176	2592	ForceOp 2.8.7 - By RaiSence.exe	71
PID 3952 wrote to memory of 860	3952	WScript.exe	72
PID 3952 wrote to memory of 860	3952	WScript.exe	72
PID 3952 wrote to memory of 860	3952	WScript.exe	72
PID 860 wrote to memory of 2012	860	cmd.exe	74
PID 860 wrote to memory of 2012	860	cmd.exe	74
PID 2012 wrote to memory of 1872	2012	wincommon.exe	76
PID 2012 wrote to memory of 1872	2012	wincommon.exe	76
PID 2012 wrote to memory of 1028	2012	wincommon.exe	78
PID 2012 wrote to memory of 1028	2012	wincommon.exe	78
PID 2012 wrote to memory of 2128	2012	wincommon.exe	80
PID 2012 wrote to memory of 2128	2012	wincommon.exe	80
PID 2012 wrote to memory of 1276	2012	wincommon.exe	82
PID 2012 wrote to memory of 1276	2012	wincommon.exe	82

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:2592
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\intofont\1Udi0TDz635jTrMWFNrE4kqnOIuYIi.vbe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3952
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\intofont\xLg6v1j1ZJy5DZ1pz826KfZq2BmfLM.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:860
  - - C:\intofont\wincommon.exe
      "C:\intofont\wincommon.exe"
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2012
    - - C:\Windows\SYSTEM32\schtasks.exe
        
        "schtasks" /create /tn "dllhost" /sc ONLOGON /tr "'C:\odt\dllhost.exe'" /rl HIGHEST /f
        5⤵
        Creates scheduled task(s)
        
        PID:1872
    - - C:\Windows\SYSTEM32\schtasks.exe
        
        "schtasks" /create /tn "explorer" /sc ONLOGON /tr "'C:\intofont\explorer.exe'" /rl HIGHEST /f
        5⤵
        Creates scheduled task(s)
        
        PID:1028
    - - C:\Windows\SYSTEM32\schtasks.exe
        
        "schtasks" /create /tn "svchost" /sc ONLOGON /tr "'C:\Users\Default User\svchost.exe'" /rl HIGHEST /f
        5⤵
        Creates scheduled task(s)
        
        PID:2128
    - - C:\Users\Default User\svchost.exe
        
        "C:\Users\Default User\svchost.exe"
        5⤵
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1276
      - C:\Windows\system32\WerFault.exe
        
        C:\Windows\system32\WerFault.exe -u -p 1276 -s 1824
        6⤵
        Suspicious use of NtCreateProcessExOtherParentProcess
        Program crash
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:2744
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\intofont\msg.vbs"
  2⤵
  PID:3176

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1276-140-0x000000001BC02000-0x000000001BC03000-memory.dmp

Filesize
4KB

Download
memory/2012-128-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/2012-131-0x0000000002220000-0x0000000002221000-memory.dmp

Filesize
4KB

Download
memory/2012-130-0x0000000000930000-0x0000000000932000-memory.dmp

Filesize
8KB

Download