ea3c62424756f7a053d8b3167415b10fa6bba9600110cfbd73c4c557491263fa

Analysis

max time kernel
1559s
max time network
1562s
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/applypatch-msg.sample
Size

478B
MD5

ce562e08d8098926a3862fc6e7905199
SHA1

4de88eb95a5e93fd27e78b5fb3b5231a8d8917dd
SHA256

0223497a0b8b033aa58a3a521b8629869386cf7ab0e2f101963d328aa62193f7
SHA512

536cce804d84e25813993efdd240537b52d00ce9cdcecf1982f85096d56a521290104c825c00b370b2752201952a9616a3f4e28c5d27a5b4e4842101a2ff9bee

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_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\.sample	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\sample_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_Classes\Local Settings	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

2816 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2816 AcroRd32.exe
2816 AcroRd32.exe

pid	process
2816	AcroRd32.exe

pid	process
2816	AcroRd32.exe
2816	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1976 wrote to memory of 2924	1976	cmd.exe	rundll32.exe
PID 1976 wrote to memory of 2924	1976	cmd.exe	rundll32.exe
PID 1976 wrote to memory of 2924	1976	cmd.exe	rundll32.exe
PID 2924 wrote to memory of 2816	2924	rundll32.exe	AcroRd32.exe
PID 2924 wrote to memory of 2816	2924	rundll32.exe	AcroRd32.exe
PID 2924 wrote to memory of 2816	2924	rundll32.exe	AcroRd32.exe
PID 2924 wrote to memory of 2816	2924	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\applypatch-msg.sample
1⤵
- Suspicious use of WriteProcessMemory
PID:1976

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\applypatch-msg.sample
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2924

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\applypatch-msg.sample"
3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2816

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
7b48731a4a1a4d601d67ccbf7c4cbc3f

SHA1
10f09b7cf4c8a3dd337c600287111f9f660b655e

SHA256
28cd6ad57fee81e45f7b1d55f24d2309451e131f042eee710fcb9f1d47841663

SHA512
8bdc5bcff48921742e790978cb7333ecd02dc5e6d07313348aeead7a8d865f14ee191ef07fbfd236ef5f59a000c0f63a1da115b08f25486f2151bf3b942e1f4b

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