e5b98f79e84d434b44fe4dab6b0e7823772d32744249a8fb9fb2288d0b354b21

Resubmissions

07-07-2024 12:33

240707-prjydasclk 3

Analysis

max time kernel
119s
max time network
126s
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.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-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\erom_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\.erom	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\erom_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\erom_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\.erom\ = "erom_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\erom_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\erom_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000_CLASSES\erom_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
2880	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2880	AcroRd32.exe
2880	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1848 wrote to memory of 2240	1848	cmd.exe	31
PID 1848 wrote to memory of 2240	1848	cmd.exe	31
PID 1848 wrote to memory of 2240	1848	cmd.exe	31
PID 2240 wrote to memory of 2880	2240	rundll32.exe	32
PID 2240 wrote to memory of 2880	2240	rundll32.exe	32
PID 2240 wrote to memory of 2880	2240	rundll32.exe	32
PID 2240 wrote to memory of 2880	2240	rundll32.exe	32

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:1848
- 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:2240
- - 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:2880

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
95ebb8d7501345a72850208ce56aca81

SHA1
3f89565413a4c63aa6160b0f5cf3fcda88eb2de3

SHA256
f62376ce1b4190f696b3ab7154b62fe221d5b8bad90fd81bc676b48b48f184ec

SHA512
a6ead5c47969e1b41b9f1dc3918d1c9f78550509778d9a2069a679e10e27c2fbcc71f0827e136728d0caf37fd437ce1a4ad35de2067b4e35a743e1f091aa2375

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