ea3c62424756f7a053d8b3167415b10fa6bba9600110cfbd73c4c557491263fa

Analysis

max time kernel
1440s
max time network
1444s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-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/fsmonitor-watchman.sample
Size

4KB
MD5

a0b2633a2c8e97501610bd3f73da66fc
SHA1

0ec0ec9ac11111433d17ea79e0ae8cec650dcfa4
SHA256

e0549964e93897b519bd8e333c037e51fff0f88ba13e086a331592bf801fa1d0
SHA512

5168643c1768ec83554a9066754507a781b6d14251a46a469222d462efc6ca87a72c90679154e8a723349c91e7772b32ac9b08dfe313cded0ee0a6f17885079e
SSDEEP

96:GFCscBOvOFXDgRvi/3UCwN4ZlkRo/j5SpoNOBoi+geBIzCa:GFCsEOmWRa8CwN4ZqRo7geEk3IzCa

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-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\sample_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\sample_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\.sample	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\.sample\ = "sample_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\sample_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\sample_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\sample_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_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

2960 AcroRd32.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

AcroRd32.exe

pid process

2960 AcroRd32.exe
2960 AcroRd32.exe

pid	process
2960	AcroRd32.exe

pid	process
2960	AcroRd32.exe
2960	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2440 wrote to memory of 2816	2440	cmd.exe	rundll32.exe
PID 2440 wrote to memory of 2816	2440	cmd.exe	rundll32.exe
PID 2440 wrote to memory of 2816	2440	cmd.exe	rundll32.exe
PID 2816 wrote to memory of 2960	2816	rundll32.exe	AcroRd32.exe
PID 2816 wrote to memory of 2960	2816	rundll32.exe	AcroRd32.exe
PID 2816 wrote to memory of 2960	2816	rundll32.exe	AcroRd32.exe
PID 2816 wrote to memory of 2960	2816	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\fsmonitor-watchman.sample
1⤵
- Suspicious use of WriteProcessMemory
PID:2440

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\fsmonitor-watchman.sample
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2816

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\fsmonitor-watchman.sample"
3⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2960

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
83c4d3262f66a5a63994dea464d5b20c

SHA1
c6d3cf44685a098863c62e8487f4ee211b29397d

SHA256
32b4bbc7168394b5eec05bb3f3dfedf173dbfeed5e248a72a5de8c7b235af4d7

SHA512
c0c4d43c3950bc9b2c67eabc016901e248e4d09cdc27375ba5cce95338f121a461d4ba4168ad4ccd5d08b832559e4e7e5a855985629382df74911a3895622467

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