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/pre-rebase.sample
-
Size
4KB
-
MD5
56e45f2bcbc8226d2b4200f7c46371bf
-
SHA1
288efdc0027db4cfd8b7c47c4aeddba09b6ded12
-
SHA256
4febce867790052338076f4e66cc47efb14879d18097d1d61c8261859eaaa7b3
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SHA512
00d21d5d72386c3d9b5a1c36ba85201f730556a8295d4353af54af7892ab81010d42aff209ec1fda61c54e4dda3737cea5fda64f09d40ce5004ae28239565025
-
SSDEEP
96:vJ7EgXasqXq6zaqK1ep8m5MDVUT2bTEwEWDhG38deyig9yhCLtQH:vJ4gXasI1zaqKwUTHhzeyil4tm
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-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\.sample rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\.sample\ = "sample_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\sample_auto_file\shell rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\sample_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\sample_auto_file rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\sample_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\sample_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\sample_auto_file\shell\Read\command rundll32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
AcroRd32.exepid process 2976 AcroRd32.exe 2976 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
cmd.exerundll32.exedescription pid process target process PID 2992 wrote to memory of 2596 2992 cmd.exe rundll32.exe PID 2992 wrote to memory of 2596 2992 cmd.exe rundll32.exe PID 2992 wrote to memory of 2596 2992 cmd.exe rundll32.exe PID 2596 wrote to memory of 2976 2596 rundll32.exe AcroRd32.exe PID 2596 wrote to memory of 2976 2596 rundll32.exe AcroRd32.exe PID 2596 wrote to memory of 2976 2596 rundll32.exe AcroRd32.exe PID 2596 wrote to memory of 2976 2596 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\pre-rebase.sample1⤵
- Suspicious use of WriteProcessMemory
PID:2992 -
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\pre-rebase.sample2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2596 -
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\pre-rebase.sample"3⤵
- Suspicious use of SetWindowsHookEx
PID:2976
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
MD5cc62b28eec042fc3ce40b5c1ca8f95f1
SHA1e10eb2b41f0645b2d7cbd91e8f958ef759171558
SHA256d6bbd7be8286639763cac77ed690e0ef6664d1f9a0470a08f2390480b5cd2d30
SHA512e81a1b23d76851efa10c17e8fad5663d15e3e8ad5b90132825bc98004c7d8b85d792024b04e2cd583daeee79e0b155423b912ae5d76fb70d41acefdc9fd12ef3