8da455738971a9c0abe1edc19cc7eb509d3123fc55424522379b815979e2bcd7

Analysis

max time kernel
150s
max time network
34s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
25/03/2023, 23:40

Target

bios/SCPH-77001_USA_Con_0220_20060210_v15_[33BDFC9C].rom1
Size

4.0MB
MD5

79b4880006769a1af9b0a6c7302cc18d
SHA1

747e36b086aceceb300c72c0d1bbab38e2920e63
SHA256

98da02e0b2d264a438b4c3a918dd533641dcd9363e902413d1f424b0dbd2deb9
SHA512

bf667aca51496c205263da3a2a8ad269d1d2a2a139ef292fb61c178bf154fdbf00b148d2205cb53341b54434427c20983ea13857507263eb388e6975eb807f62
SSDEEP

98304:J1IAIIIEINIgIwILIhk0Ay07JuVHQgAaCbpuHqwV6qwVndGo2oipEjo2OkG:Jh0AhUHPAa2uH76qGn7UI+

Score

3^/10

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

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\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\.rom1\ = "rom1_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\rom1_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\rom1_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\rom1_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\rom1_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\rom1_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\.rom1	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000_CLASSES\rom1_auto_file\shell\Read	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1316 wrote to memory of 1044	1316	cmd.exe	29
PID 1316 wrote to memory of 1044	1316	cmd.exe	29
PID 1316 wrote to memory of 1044	1316	cmd.exe	29
PID 1044 wrote to memory of 1916	1044	rundll32.exe	30
PID 1044 wrote to memory of 1916	1044	rundll32.exe	30
PID 1044 wrote to memory of 1916	1044	rundll32.exe	30
PID 1044 wrote to memory of 1916	1044	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\bios\SCPH-77001_USA_Con_0220_20060210_v15_[33BDFC9C].rom1
1⤵
- Suspicious use of WriteProcessMemory
PID:1316
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\bios\SCPH-77001_USA_Con_0220_20060210_v15_[33BDFC9C].rom1
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1044
- - 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\bios\SCPH-77001_USA_Con_0220_20060210_v15_[33BDFC9C].rom1"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1916

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact