93e74a120a4e456ac3005231f41687958fd279feaf9108f7fc7f5e78d0ab1254

Analysis

max time kernel
151s
max time network
33s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
29-05-2023 13:27

Target

overrides/config/CoroUtil/BlockDestruction.cfg
Size

667B
MD5

ddbb7536081c6b6ac3372ac442455d56
SHA1

5835e3cf9994d2dd9fb471059227f6e255be14c7
SHA256

49bb4e07052eecee39bb2d92d0ba716c72f7a095ff6cb3bd3b3fc77908ba525e
SHA512

5ca0d6f1192d8a19ba1b62dd8687aa0dd1688923558f81a7c3f4ddf628c61feced921f76a00af201fc919baf1ed04e82a1577f4566516179ca812f21182065ef

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

Suspicious use of SetWindowsHookEx 3 IoCs

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 1864	1720	cmd.exe	29
PID 1720 wrote to memory of 1864	1720	cmd.exe	29
PID 1720 wrote to memory of 1864	1720	cmd.exe	29
PID 1864 wrote to memory of 1524	1864	rundll32.exe	30
PID 1864 wrote to memory of 1524	1864	rundll32.exe	30
PID 1864 wrote to memory of 1524	1864	rundll32.exe	30
PID 1864 wrote to memory of 1524	1864	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\overrides\config\CoroUtil\BlockDestruction.cfg
1⤵
- Suspicious use of WriteProcessMemory
PID:1720
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\overrides\config\CoroUtil\BlockDestruction.cfg
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1864
- - 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\overrides\config\CoroUtil\BlockDestruction.cfg"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1524

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact