e5b98f79e84d434b44fe4dab6b0e7823772d32744249a8fb9fb2288d0b354b21

Analysis

max time kernel
122s
max time network
127s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
22-08-2024 23:28

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General

Target

rom1.bin
Size

195KB
MD5

44552702b05697a14ccbe2ca22ee7139
SHA1

47d2ec4b342649e4c391043ab915d4435f9d180d
SHA256

41de2047af8382988bfd568035ff26eec5f1cabc3efe773680546aa00a82857d
SHA512

28b02c3a83f6107aa277fd86da8e8bb8d7273ec76aab9090dbc2ebb7ce3d1ea2ae9d41973894cc904b0dadcdaf9d8f1d8ae4e49e506e2d46890184075b441d79
SSDEEP

3072:6MP0Tk3xqZ7Ngv9DG+1iu/APblMy81qEjRGELgua:6K0dZ7Ngv9DGoiCqHAa

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
Key created	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\bin_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\.bin\ = "bin_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\bin_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\bin_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\bin_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\bin_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\.bin	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\bin_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2812	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2812	AcroRd32.exe
2812	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 2912	2692	cmd.exe	31
PID 2692 wrote to memory of 2912	2692	cmd.exe	31
PID 2692 wrote to memory of 2912	2692	cmd.exe	31
PID 2912 wrote to memory of 2812	2912	rundll32.exe	32
PID 2912 wrote to memory of 2812	2912	rundll32.exe	32
PID 2912 wrote to memory of 2812	2912	rundll32.exe	32
PID 2912 wrote to memory of 2812	2912	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\rom1.bin
1⤵
- Suspicious use of WriteProcessMemory
PID:2692
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\rom1.bin
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2912
- - 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\rom1.bin"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2812

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
00c9f627e33cbcc253fed7aeb2b17143

SHA1
2925aaacd0c47545904850a58867dfe0c0d71cfb

SHA256
98ddc6ed99c587225fd9f6bb02ffa826f1527f27e002dbceee4bb661900f2ebd

SHA512
b9a2228207e39ed402de3854283c3970c9b37f2f828fd93183ae72707aecdcb1a7073eec28a20f7960ed5ee636c0be7d111751c837414af9cf56c653578c8f2e

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