e5b98f79e84d434b44fe4dab6b0e7823772d32744249a8fb9fb2288d0b354b21

Analysis

max time kernel
150s
max time network
118s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
07-12-2023 16:09

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General

Target

SCPH-70004_BIOS_V12_PAL_200.rom1
Size

512KB
MD5

82dc50fa18e636850f557c4ea66c7bfd
SHA1

cc44355ded232a2ba5309bb24d4cd55af08696b2
SHA256

b86fbccaa111ca7497630337dafea7da7320fc4f924ada22b92145ef806e7b42
SHA512

ec1dc6cf74dfc34f01fbbcc2e0f11bb32d7a52101f8ebbd4ca10268165fe2639efa98e018f0a6ae58f74a491461ab301b9dbf9213687731cc2fb4dcb1e22317b
SSDEEP

6144:DBFsXCSZ3B4YEXxyCpmDqoPYmMsHw1SiXWIXjxqJ4Li:1Sf3ounMsMjq4O

Score

3^/10

Malware Config

Signatures

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-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\rom1_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\rom1_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\.rom1	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\rom1_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\rom1_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_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-1-5-21-3470981204-343661084-3367201002-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\.rom1\ = "rom1_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\rom1_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2708	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2708	AcroRd32.exe
2708	AcroRd32.exe
2708	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2336 wrote to memory of 2564	2336	cmd.exe	29
PID 2336 wrote to memory of 2564	2336	cmd.exe	29
PID 2336 wrote to memory of 2564	2336	cmd.exe	29
PID 2564 wrote to memory of 2708	2564	rundll32.exe	30
PID 2564 wrote to memory of 2708	2564	rundll32.exe	30
PID 2564 wrote to memory of 2708	2564	rundll32.exe	30
PID 2564 wrote to memory of 2708	2564	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\SCPH-70004_BIOS_V12_PAL_200.rom1
1⤵
- Suspicious use of WriteProcessMemory
PID:2336
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\SCPH-70004_BIOS_V12_PAL_200.rom1
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2564
- - 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\SCPH-70004_BIOS_V12_PAL_200.rom1"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
a200f3d35b516dcd11083f6702a8278d

SHA1
70382d64dbea784c1a1953c21c6f7592e15316f2

SHA256
5ef1c12f9129c4ff9eaae6c7b638e6c5ed295c4279e6a1d7a45ec585395d78d4

SHA512
91da523ab728e72a8ee5a8a5d8d4d47df47c0037b59916718df8653ebc63d4e784c14fa9056a47ef5fa605590c1f88eaa4539fa6c4f8321d7b29570dd005d76b

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