e5b98f79e84d434b44fe4dab6b0e7823772d32744249a8fb9fb2288d0b354b21

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
03-02-2024 19:31

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General

Target

SCPH-70004_BIOS_V12_PAL_200.erom
Size

3.0MB
MD5

9feb1fdeadd6232a13b95e60b34ccef9
SHA1

ec0121bb8e2a209044309780d2efc2559c9a0ef1
SHA256

e5bcd5925c1f22de48d49c3895dd421d167faddc033aac628f5facfba90ceef3
SHA512

fa80cf49166165bc016f53da894dc62c2c9362cbeeb08b1b8546f1f49a9d207beb04cb8ec711be9191b11b563ca963f357e36792edd9a767aabf7418e9e07ea4
SSDEEP

49152:pdAqdAivUd7r3JgqK3m1R+DXNotHFTuMvFgwLcgSGouxwKSXaDZ3PFu:g5MkLJgroohotHFTTrcgSGUXstg

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
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\.erom\ = "erom_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\erom_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\erom_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\erom_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\erom_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\erom_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\erom_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\.erom	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2816	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2816	AcroRd32.exe
2816	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2104 wrote to memory of 2728	2104	cmd.exe	29
PID 2104 wrote to memory of 2728	2104	cmd.exe	29
PID 2104 wrote to memory of 2728	2104	cmd.exe	29
PID 2728 wrote to memory of 2816	2728	rundll32.exe	30
PID 2728 wrote to memory of 2816	2728	rundll32.exe	30
PID 2728 wrote to memory of 2816	2728	rundll32.exe	30
PID 2728 wrote to memory of 2816	2728	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\SCPH-70004_BIOS_V12_PAL_200.erom
1⤵
- Suspicious use of WriteProcessMemory
PID:2104
- 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.erom
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2728
- - 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.erom"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2816

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
420e5231cc650bf1e1d7ddb77aeeb598

SHA1
82f37076e457216ca18401328cee8befb1453ef4

SHA256
52c7562f8b0b8be29d36b68ba5cbbe3e3ac034c0db3dd9cb5975263b3c6125fa

SHA512
2ea8a678f21a84676376dad5bff63f3595651d78ad47cf1a607ba3fae1de8d4f0082963c8f95dd88b3d43bf4fb967b27e3fd4998c228f960c2f382840187a2f5

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