Overview
overview
3Static
static
1CVE-2023-3...sample
windows7-x64
3CVE-2023-3...sample
windows7-x64
3CVE-2023-3...sample
windows7-x64
3CVE-2023-3...sample
windows7-x64
3CVE-2023-3...sample
windows7-x64
3CVE-2023-3...sample
windows7-x64
3CVE-2023-3...sample
windows7-x64
3CVE-2023-3...sample
windows7-x64
3CVE-2023-3...sample
windows7-x64
3CVE-2023-3...sample
windows7-x64
3CVE-2023-3...sample
windows7-x64
3CVE-2023-3...sample
windows7-x64
3CVE-2023-3...sample
windows7-x64
3CVE-2023-3...oit.py
windows7-x64
3CVE-2023-3...pt.bat
windows7-x64
1Analysis
-
max time kernel
18s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
08-05-2024 07:01
Static task
static1
Behavioral task
behavioral1
Sample
CVE-2023-38831/.git/hooks/applypatch-msg.sample
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
CVE-2023-38831/.git/hooks/commit-msg.sample
Resource
win7-20240221-en
Behavioral task
behavioral3
Sample
CVE-2023-38831/.git/hooks/fsmonitor-watchman.sample
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
CVE-2023-38831/.git/hooks/post-update.sample
Resource
win7-20240221-en
Behavioral task
behavioral5
Sample
CVE-2023-38831/.git/hooks/pre-applypatch.sample
Resource
win7-20240215-en
Behavioral task
behavioral6
Sample
CVE-2023-38831/.git/hooks/pre-commit.sample
Resource
win7-20240220-en
Behavioral task
behavioral7
Sample
CVE-2023-38831/.git/hooks/pre-merge-commit.sample
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
CVE-2023-38831/.git/hooks/pre-push.sample
Resource
win7-20231129-en
Behavioral task
behavioral9
Sample
CVE-2023-38831/.git/hooks/pre-rebase.sample
Resource
win7-20240221-en
Behavioral task
behavioral10
Sample
CVE-2023-38831/.git/hooks/pre-receive.sample
Resource
win7-20240419-en
Behavioral task
behavioral11
Sample
CVE-2023-38831/.git/hooks/prepare-commit-msg.sample
Resource
win7-20240221-en
Behavioral task
behavioral12
Sample
CVE-2023-38831/.git/hooks/push-to-checkout.sample
Resource
win7-20240221-en
Behavioral task
behavioral13
Sample
CVE-2023-38831/.git/hooks/update.sample
Resource
win7-20240215-en
Behavioral task
behavioral14
Sample
CVE-2023-38831/exploit.py
Resource
win7-20240220-en
Behavioral task
behavioral15
Sample
CVE-2023-38831/script.bat
Resource
win7-20240221-en
General
-
Target
CVE-2023-38831/.git/hooks/commit-msg.sample
-
Size
896B
-
MD5
579a3c1e12a1e74a98169175fb913012
-
SHA1
ee1ed5aad98a435f2020b6de35c173b75d9affac
-
SHA256
1f74d5e9292979b573ebd59741d46cb93ff391acdd083d340b94370753d92437
-
SHA512
d6bb7fa747f4625adf1877f546565cbe812ca7dd4168f7e9068e6732555d8737eba549546cf5946649e3f38de82d173aaf9c160a4c9f9445655258b4c5f955eb
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Modifies registry class 9 IoCs
Processes:
rundll32.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\sample_auto_file rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\sample_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_Classes\Local Settings rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\sample_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.sample rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.sample\ = "sample_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\sample_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\sample_auto_file\shell\Read\command rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\sample_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
AcroRd32.exepid process 2712 AcroRd32.exe 2712 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
cmd.exerundll32.exedescription pid process target process PID 1928 wrote to memory of 2672 1928 cmd.exe rundll32.exe PID 1928 wrote to memory of 2672 1928 cmd.exe rundll32.exe PID 1928 wrote to memory of 2672 1928 cmd.exe rundll32.exe PID 2672 wrote to memory of 2712 2672 rundll32.exe AcroRd32.exe PID 2672 wrote to memory of 2712 2672 rundll32.exe AcroRd32.exe PID 2672 wrote to memory of 2712 2672 rundll32.exe AcroRd32.exe PID 2672 wrote to memory of 2712 2672 rundll32.exe AcroRd32.exe
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\CVE-2023-38831\.git\hooks\commit-msg.sample1⤵
- Suspicious use of WriteProcessMemory
PID:1928 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\CVE-2023-38831\.git\hooks\commit-msg.sample2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2672 -
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\CVE-2023-38831\.git\hooks\commit-msg.sample"3⤵
- Suspicious use of SetWindowsHookEx
PID:2712
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEventsFilesize
3KB
MD5b09c4238077f8ca2d1d30f5895dbafa1
SHA1cd8e97796961c985cf6107b73dcc71a713a1ea11
SHA256a70deff570cafff48d7ecf245e70e1a6dee04c9f9cbbf49b402522da6770d52f
SHA51253399ebba45c2ff78d1a77e682aef462b70ce5090e503992e70567d3ea2f4411c029bb38a0ce13c9239fd12d96247f76470e81a3f1d1b22724d6593567a10cec