ea3c62424756f7a053d8b3167415b10fa6bba9600110cfbd73c4c557491263fa

Analysis

max time kernel
1215s
max time network
1219s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
26-08-2024 19:40

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General

Target

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

1KB
MD5

4d0e109090d32a0a334680ce78897a48
SHA1

b853130372f2a50beeb6127b7160ad818e65a079
SHA256

0d23820767ece5f5f10261840b37f61d44e0579ec65626730ac67a47f471ad8b
SHA512

635ddc868ab91fb54b505e75adbafacab7a4c38dfc9a3206c80b2a0a631a797d6dfd9dbafd227a26a0ca2eec304309caa52db45c3c2315c8a248ca591228f565

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
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\sh_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\sh_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\.sh	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\sh_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\sh_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\.sh\ = "sh_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\sh_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\sh_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid process

2988 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2988 AcroRd32.exe
2988 AcroRd32.exe

pid	process
2988	AcroRd32.exe

pid	process
2988	AcroRd32.exe
2988	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2244 wrote to memory of 3028	2244	cmd.exe	rundll32.exe
PID 2244 wrote to memory of 3028	2244	cmd.exe	rundll32.exe
PID 2244 wrote to memory of 3028	2244	cmd.exe	rundll32.exe
PID 3028 wrote to memory of 2988	3028	rundll32.exe	AcroRd32.exe
PID 3028 wrote to memory of 2988	3028	rundll32.exe	AcroRd32.exe
PID 3028 wrote to memory of 2988	3028	rundll32.exe	AcroRd32.exe
PID 3028 wrote to memory of 2988	3028	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Stockfish-15.1_Windows_32bit\source\tests\reprosearch.sh
1⤵
- Suspicious use of WriteProcessMemory
PID:2244

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\reprosearch.sh
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3028

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\reprosearch.sh"
3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2988

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
6ab33e069b0c8c8a93e69e2189c42e58

SHA1
76adf2d29c031c3c40b88ffe7be80e529c6d2313

SHA256
5a4c704c911f1d56313d628a7c215308fd36f457a40e69791ff283d512d7739c

SHA512
762f75b603ecc5dc9e3c308d8e3facd4711d056a6ab4449674681b72007b1368a446175922405a1a092d02e4592853c5fb62b8ca137cfe89e2e047f0c3706742

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