ea3c62424756f7a053d8b3167415b10fa6bba9600110cfbd73c4c557491263fa

Analysis

max time kernel
1563s
max time network
1566s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
26-08-2024 19:40

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General

Target

Stockfish-15.1_Windows_32bit/source/.git/hooks/pre-rebase.sample
Size

4KB
MD5

56e45f2bcbc8226d2b4200f7c46371bf
SHA1

288efdc0027db4cfd8b7c47c4aeddba09b6ded12
SHA256

4febce867790052338076f4e66cc47efb14879d18097d1d61c8261859eaaa7b3
SHA512

00d21d5d72386c3d9b5a1c36ba85201f730556a8295d4353af54af7892ab81010d42aff209ec1fda61c54e4dda3737cea5fda64f09d40ce5004ae28239565025
SSDEEP

96:vJ7EgXasqXq6zaqK1ep8m5MDVUT2bTEwEWDhG38deyig9yhCLtQH:vJ4gXasI1zaqKwUTHhzeyil4tm

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

Processes:

AcroRd32.exe

description ioc process

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

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

Modifies registry class 9 IoCs

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\sample_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\.sample\ = "sample_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\sample_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\sample_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\.sample	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\sample_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\sample_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\sample_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2788 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2788 AcroRd32.exe
2788 AcroRd32.exe

pid	process
2788	AcroRd32.exe

pid	process
2788	AcroRd32.exe
2788	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2872 wrote to memory of 2692	2872	cmd.exe	rundll32.exe
PID 2872 wrote to memory of 2692	2872	cmd.exe	rundll32.exe
PID 2872 wrote to memory of 2692	2872	cmd.exe	rundll32.exe
PID 2692 wrote to memory of 2788	2692	rundll32.exe	AcroRd32.exe
PID 2692 wrote to memory of 2788	2692	rundll32.exe	AcroRd32.exe
PID 2692 wrote to memory of 2788	2692	rundll32.exe	AcroRd32.exe
PID 2692 wrote to memory of 2788	2692	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Stockfish-15.1_Windows_32bit\source\.git\hooks\pre-rebase.sample
1⤵
- Suspicious use of WriteProcessMemory
PID:2872

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Stockfish-15.1_Windows_32bit\source\.git\hooks\pre-rebase.sample
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2692

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\Stockfish-15.1_Windows_32bit\source\.git\hooks\pre-rebase.sample"
3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2788

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Filesize
3KB

MD5
f2697c6290c0538e978f5dc6d8f10378

SHA1
fd3f31019c92e913f33302b4be965ea70389de5f

SHA256
041e6d88220ce9d2a5ac4c1d83860cc738c6ab530d8bfb61c58dc5d5c12c0ee5

SHA512
041e8f22bfed19a7b5024d40cdb5a1866384c24473d835cbf1050e2bd3bc43efd4ba0d0c763e2a0efcfe93dae4b0ef70a539dd4632456b42106236f31df2c30d

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