c2b88b7c0e3a630f69c35d3d476a01c38f83fca3efbba10e55188e0264ff56d6

Analysis

max time kernel
151s
max time network
40s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
20-05-2023 16:53

Target

CCleaner.Technician.6.12.10490.Portable/Other/Source/_CCleanerPortableInstaller.nsi
Size

17KB
MD5

0bb9a76eb7d3ec27349c7a4865ae820b
SHA1

8893c96ec64383da352e3cc9e6c5e46cc1e9e041
SHA256

8bb0edc9deb8f63faa50e8c51ec62f919ba3c55eaa33702545dd36b5d49ba5c4
SHA512

f94e8985c545ee5f558874e718237c5fb201b21e5d1dac486ac7d752e65c4473d444c7f44ca2487e9108e1f225cafb981dd99477cbe934dc550d6ac1105999ef
SSDEEP

384:QBUAU2Hy+zKlJ1O3fRqqIgwrHioXmKdTRgpxd/D40kkxYj2w6dkRlOa/gqeHh++C:QBuaav

Score

3^/10

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

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\nsi_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\nsi_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\nsi_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\nsi_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\.nsi	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\.nsi\ = "nsi_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\nsi_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\nsi_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1808	AcroRd32.exe
1808	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1204 wrote to memory of 668	1204	cmd.exe	29
PID 1204 wrote to memory of 668	1204	cmd.exe	29
PID 1204 wrote to memory of 668	1204	cmd.exe	29
PID 668 wrote to memory of 1808	668	rundll32.exe	31
PID 668 wrote to memory of 1808	668	rundll32.exe	31
PID 668 wrote to memory of 1808	668	rundll32.exe	31
PID 668 wrote to memory of 1808	668	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\CCleaner.Technician.6.12.10490.Portable\Other\Source\_CCleanerPortableInstaller.nsi
1⤵
- Suspicious use of WriteProcessMemory
PID:1204
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\CCleaner.Technician.6.12.10490.Portable\Other\Source\_CCleanerPortableInstaller.nsi
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:668
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\CCleaner.Technician.6.12.10490.Portable\Other\Source\_CCleanerPortableInstaller.nsi"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1808

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact