e5b98f79e84d434b44fe4dab6b0e7823772d32744249a8fb9fb2288d0b354b21

Resubmissions

07-07-2024 12:33

240707-prjydasclk 3

Analysis

max time kernel
122s
max time network
128s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
07-07-2024 12:33

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General

Target

SCPH-70004_BIOS_V12_PAL_200.bin
Size

4.0MB
MD5

dc752f160044f2ed5fc1f4964db2a095
SHA1

434bc0b4eb4827da0773ec0795aadc5162569a07
SHA256

d6653f4e93be2f6f9e9d690a934f26cf0f6ad4e348b69f41ef736732c3a6685b
SHA512

ed6c29df4646cca20999b82d90f359ead80e879d66334b6c79d29a9db5f8f9a24435ec62223c395120f9535598e13c5abeedf14ae85be20fb336b4c8211ac230
SSDEEP

49152:e0F7LxETm8tXP/D4vvBWO8b92oqmFOsU38VuSGcEcB:e0FJx5Bd8xDGVMdG

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-1-5-21-2660163958-4080398480-1122754539-1000_CLASSES\bin_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2660163958-4080398480-1122754539-1000_CLASSES\bin_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2660163958-4080398480-1122754539-1000_CLASSES\.bin	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2660163958-4080398480-1122754539-1000_CLASSES\bin_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2660163958-4080398480-1122754539-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2660163958-4080398480-1122754539-1000_CLASSES\.bin\ = "bin_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2660163958-4080398480-1122754539-1000_CLASSES\bin_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2660163958-4080398480-1122754539-1000_CLASSES\bin_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2660163958-4080398480-1122754539-1000_CLASSES\bin_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2576	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2576	AcroRd32.exe
2576	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2816 wrote to memory of 2584	2816	cmd.exe	32
PID 2816 wrote to memory of 2584	2816	cmd.exe	32
PID 2816 wrote to memory of 2584	2816	cmd.exe	32
PID 2584 wrote to memory of 2576	2584	rundll32.exe	33
PID 2584 wrote to memory of 2576	2584	rundll32.exe	33
PID 2584 wrote to memory of 2576	2584	rundll32.exe	33
PID 2584 wrote to memory of 2576	2584	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\SCPH-70004_BIOS_V12_PAL_200.bin
1⤵
- Suspicious use of WriteProcessMemory
PID:2816
- 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.bin
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2584
- - 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.bin"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2576

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
e5635493dedcaae6a2c2d5e6e936318e

SHA1
b22b93f9d848ac973d170e6b63ea6c9affff0588

SHA256
46b40d079061e762bd1641da1d0f2554893695a5595ab968ba1d1d67758b2fb7

SHA512
96f15e19a72e7d96d1dd1a0793147298a7c930fcb58c70bd7e17cc844bb290f33490698065bf9cd237a4522c91235782d24b24a1a1223d9df5185ee5eac6f6fc

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