c74873d7b8cc622379ed49bd0b0e477167ae176aa329b01338666ec4c1a4426b

Target

manual64.dll
Size

184KB
MD5

d35a5caf8af43432ec2f5a2318b20597
SHA1

8fd8f62a848a1d9c1ff18c7bc16e8a6d2c67c37e
SHA256

c74873d7b8cc622379ed49bd0b0e477167ae176aa329b01338666ec4c1a4426b
SHA512

7de9c021c2e64c564ba8ac5c0f1914718c240a382bc717dd7e93122a0a51c849c263ae0438eae5c324ca1e5c3d346c2a09ab7fc63bbaa598e3973943a5d84263

Score

8^/10

ransomware

Malware Config

Signatures

Modifies extensions of user files 11 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File renamed	C:\Users\Admin\Pictures\CheckpointClear.png => \??\c:\Users\Admin\Pictures\CheckpointClear.png.quantum	rundll32.exe
File renamed	C:\Users\Admin\Pictures\HideGrant.raw => \??\c:\Users\Admin\Pictures\HideGrant.raw.quantum	rundll32.exe
File renamed	C:\Users\Admin\Pictures\LimitPing.png => \??\c:\Users\Admin\Pictures\LimitPing.png.quantum	rundll32.exe
File renamed	C:\Users\Admin\Pictures\ResetCompress.png => \??\c:\Users\Admin\Pictures\ResetCompress.png.quantum	rundll32.exe
File renamed	C:\Users\Admin\Pictures\ResizeWrite.raw => \??\c:\Users\Admin\Pictures\ResizeWrite.raw.quantum	rundll32.exe
File renamed	C:\Users\Admin\Pictures\UseOut.tif => \??\c:\Users\Admin\Pictures\UseOut.tif.quantum	rundll32.exe
File renamed	C:\Users\Admin\Pictures\DisableRegister.tif => \??\c:\Users\Admin\Pictures\DisableRegister.tif.quantum	rundll32.exe
File renamed	C:\Users\Admin\Pictures\DismountFind.png => \??\c:\Users\Admin\Pictures\DismountFind.png.quantum	rundll32.exe
File renamed	C:\Users\Admin\Pictures\EnterCopy.crw => \??\c:\Users\Admin\Pictures\EnterCopy.crw.quantum	rundll32.exe
File renamed	C:\Users\Admin\Pictures\JoinPush.crw => \??\c:\Users\Admin\Pictures\JoinPush.crw.quantum	rundll32.exe
File renamed	C:\Users\Admin\Pictures\MoveOpen.raw => \??\c:\Users\Admin\Pictures\MoveOpen.raw.quantum	rundll32.exe

Drops desktop.ini file(s) 24 IoCs

description	ioc	Process
File opened for modification	\??\c:\Users\Public\Downloads\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Public\Videos\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Admin\Contacts\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Admin\Desktop\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Admin\Downloads\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Admin\Music\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Public\AccountPictures\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Public\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Public\Documents\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Public\Pictures\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Admin\Documents\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Admin\Favorites\Links\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Admin\OneDrive\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Admin\Pictures\Camera Roll\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Admin\Searches\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Admin\Videos\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Public\Music\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Admin\Favorites\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Admin\Links\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Admin\Pictures\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Admin\Saved Games\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Admin\Pictures\Saved Pictures\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Public\Desktop\desktop.ini	rundll32.exe
File opened for modification	\??\c:\Users\Public\Libraries\desktop.ini	rundll32.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	\??\c:\Program Files\README_TO_DECRYPT.html	rundll32.exe
File created	\??\c:\Program Files (x86)\README_TO_DECRYPT.html	rundll32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\.quantum\shell\Open\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\.quantum	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\.quantum\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\.quantum\shell\Open	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000_Classes\.quantum\shell\Open\command\ = "explorer.exe README_TO_DECRYPT.html"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4648	rundll32.exe
4648	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeRestorePrivilege	4648	rundll32.exe
Token: SeDebugPrivilege	4648	rundll32.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4648 wrote to memory of 4740	4648	rundll32.exe	69
PID 4648 wrote to memory of 4740	4648	rundll32.exe	69
PID 4740 wrote to memory of 4784	4740	cmd.exe	71
PID 4740 wrote to memory of 4784	4740	cmd.exe	71

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
4784	attrib.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\manual64.dll,#1
1⤵
- Modifies extensions of user files
- Drops desktop.ini file(s)
- Drops file in Program Files directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4648
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\\00018A49.bat" "C:\Users\Admin\AppData\Local\Temp\manual64.dll""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4740
- - C:\Windows\system32\attrib.exe
    attrib -s -r -h "C:\Users\Admin\AppData\Local\Temp\manual64.dll"
    3⤵
    - Views/modifies file attributes
    PID:4784

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

T1158

Privilege Escalation

Defense Evasion

Hidden Files and Directories

T1158

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/4648-114-0x000001CD72340000-0x000001CD72432000-memory.dmp

Filesize
968KB

Download