e5b98f79e84d434b44fe4dab6b0e7823772d32744249a8fb9fb2288d0b354b21

Resubmissions

07-07-2024 12:33

240707-prjydasclk 3

Analysis

max time kernel
120s
max time network
129s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
07-07-2024 12:33

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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-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\rom1_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\rom1_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_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-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\rom1_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\.rom1\ = "rom1_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\.rom1	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\rom1_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\rom1_auto_file\	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2616	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2616	AcroRd32.exe
2616	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2356 wrote to memory of 2600	2356	cmd.exe	31
PID 2356 wrote to memory of 2600	2356	cmd.exe	31
PID 2356 wrote to memory of 2600	2356	cmd.exe	31
PID 2600 wrote to memory of 2616	2600	rundll32.exe	32
PID 2600 wrote to memory of 2616	2600	rundll32.exe	32
PID 2600 wrote to memory of 2616	2600	rundll32.exe	32
PID 2600 wrote to memory of 2616	2600	rundll32.exe	32

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:2356
- 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:2600
- - 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:2616

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
6dd6df0f785ec1e4fe5b2fc6d75a42c6

SHA1
68bd374005a28f5e2f0ce97919852d0efdcdd845

SHA256
5697047a0b7a1ee9dcabe70f73771e23d57a15ff5c2243298710c05cb9089a9a

SHA512
eb467fa6564089ee02a63890695a10cb269ce527458abd3fd95da55d695c5fc9c751ecce78c33b40e35ce1f77c83d6c7be4502b5049249db27239f256518be0d

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