e5b98f79e84d434b44fe4dab6b0e7823772d32744249a8fb9fb2288d0b354b21

Analysis

max time kernel
102s
max time network
18s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
22/08/2024, 23:28 UTC

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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

discovery

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Modifies registry class 9 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\erom_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\erom_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\erom_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\erom_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_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-1-5-21-2172136094-3310281978-782691160-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\erom_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\.erom	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\.erom\ = "erom_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2748	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2748	AcroRd32.exe
2748	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2504 wrote to memory of 2548	2504	cmd.exe	30
PID 2504 wrote to memory of 2548	2504	cmd.exe	30
PID 2504 wrote to memory of 2548	2504	cmd.exe	30
PID 2548 wrote to memory of 2748	2548	rundll32.exe	31
PID 2548 wrote to memory of 2748	2548	rundll32.exe	31
PID 2548 wrote to memory of 2748	2548	rundll32.exe	31
PID 2548 wrote to memory of 2748	2548	rundll32.exe	31

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:2504
- 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:2548
- - 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⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2748

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
3KB

MD5
598077b925a5cb36b0f6a38825743ba5

SHA1
5f74d6fda86f50968a0fb4d3580301dc3217d02a

SHA256
7d22279cbeb584175cd48b29d5b1e13b3589d4b92d33b994f12e49e89f9610f8

SHA512
1d234410d500043b942e8ba67b398cf60ac8e6f5386e9ad5d81c12a18aaa6c377ed09fcc3b535a806d43810c63d165ef027cc7bccaa8a576f24cd66d87948cb2

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