ea3c62424756f7a053d8b3167415b10fa6bba9600110cfbd73c4c557491263fa

Analysis

max time kernel
1561s
max time network
1564s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
26-08-2024 19:40

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General

Target

Stockfish-15.1_Windows_32bit/source/tests/perft.sh
Size

1KB
MD5

fda7330da7a680113098d05ed751d90a
SHA1

a6a6ca2fe2fa9992c0fb94c22f7ab6e4d4536b76
SHA256

09fbfe4942060c40763a1afe6d1d43cb08816f1b90506fab5567adb56ca8c7d7
SHA512

eba2b3efc35c2ddd85bb86ba8332cbf10afbe9e5e3e3f4d5fe0df8e0afde85687ce4579b8754757711e7d8da7c83522a3ad6ea995bef57e9d6a060af93eb8707

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-1-5-21-940600906-3464502421-4240639183-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\sh_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\sh_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\sh_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\sh_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\.sh	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\.sh\ = "sh_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\sh_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000_CLASSES\sh_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

2476 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2476 AcroRd32.exe
2476 AcroRd32.exe

pid	process
2476	AcroRd32.exe

pid	process
2476	AcroRd32.exe
2476	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1996 wrote to memory of 2652	1996	cmd.exe	rundll32.exe
PID 1996 wrote to memory of 2652	1996	cmd.exe	rundll32.exe
PID 1996 wrote to memory of 2652	1996	cmd.exe	rundll32.exe
PID 2652 wrote to memory of 2476	2652	rundll32.exe	AcroRd32.exe
PID 2652 wrote to memory of 2476	2652	rundll32.exe	AcroRd32.exe
PID 2652 wrote to memory of 2476	2652	rundll32.exe	AcroRd32.exe
PID 2652 wrote to memory of 2476	2652	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Stockfish-15.1_Windows_32bit\source\tests\perft.sh
1⤵
- Suspicious use of WriteProcessMemory
PID:1996

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\tests\perft.sh
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2652

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\tests\perft.sh"
3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2476

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
b31a370b853bf3dc4ca5736785c28693

SHA1
f2326f5d586c2426540d0656d36c324621ea4493

SHA256
15d7c497e6a601ba93c42e2334a74a0949bbc72e48e54507c795e0843d990c48

SHA512
72efa637dcb06cf5b679baef95f926e9e0d01bd8e55cc6c9fef80a71839ef2183710bdd678258fb40aa92af634685acb07f84c483fa6717d705418dd16a5ee2a

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