8fc52df7b6f8c39c5c7efcc75c2159570a6aa6beb27e01c4a13b742ab59f0a17

Analysis

max time kernel
150s
max time network
31s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
16-05-2023 15:16

Target

FS/cache/recovery/last_kmsg.10
Size

272KB
MD5

06435a5d45ce54836ca7bd81245e1c9a
SHA1

eb538a4a3b5fa0d74c223052cc79d9cf46b682f0
SHA256

9b2fb399cbd37080e2edd94887153b06a500467d42dd9c13f0567623def89eea
SHA512

6a65b25f356faff4176ba5c0df0a49abb1fa3bfbf86f38490fa89d99cfcd4e96b460cbb5339bc9226736bd28d1fd71a81c89329f149973b76b7f1e49d97aefce
SSDEEP

3072:ACj1wHxp3hCcP/CRVRvbR6RkXReRbO5y45lPDiuT+OuxTWvVbSbylDaEq2BUXsPZ:ACjqmcHCfNb4KXIpO5y45lPm49rrG2kS

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 10 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\.10\ = "10_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\10_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\10_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\10_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\10_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\10_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\.10	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000_CLASSES\10_auto_file\shell\Read	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1764 wrote to memory of 1028	1764	cmd.exe	29
PID 1764 wrote to memory of 1028	1764	cmd.exe	29
PID 1764 wrote to memory of 1028	1764	cmd.exe	29
PID 1028 wrote to memory of 1364	1028	rundll32.exe	31
PID 1028 wrote to memory of 1364	1028	rundll32.exe	31
PID 1028 wrote to memory of 1364	1028	rundll32.exe	31
PID 1028 wrote to memory of 1364	1028	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\FS\cache\recovery\last_kmsg.10
1⤵
- Suspicious use of WriteProcessMemory
PID:1764
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\FS\cache\recovery\last_kmsg.10
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1028
- - 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\FS\cache\recovery\last_kmsg.10"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1364

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact