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
45s -
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 08:59
Static task
static1
Behavioral task
behavioral1
Sample
CVE-2023-38831/.git/hooks/applypatch-msg.sample
Resource
win7-20240215-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
win7-20231129-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
win7-20240220-en
Behavioral task
behavioral6
Sample
CVE-2023-38831/.git/hooks/pre-commit.sample
Resource
win7-20240221-en
Behavioral task
behavioral7
Sample
CVE-2023-38831/.git/hooks/pre-merge-commit.sample
Resource
win7-20240419-en
Behavioral task
behavioral8
Sample
CVE-2023-38831/.git/hooks/pre-push.sample
Resource
win7-20240221-en
Behavioral task
behavioral9
Sample
CVE-2023-38831/.git/hooks/pre-rebase.sample
Resource
win7-20240215-en
Behavioral task
behavioral10
Sample
CVE-2023-38831/.git/hooks/pre-receive.sample
Resource
win7-20240221-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
win7-20240419-en
Behavioral task
behavioral13
Sample
CVE-2023-38831/.git/hooks/update.sample
Resource
win7-20231129-en
Behavioral task
behavioral14
Sample
CVE-2023-38831/exploit.py
Resource
win7-20240221-en
Behavioral task
behavioral15
Sample
CVE-2023-38831/script.bat
Resource
win7-20240220-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-1-5-21-3452737119-3959686427-228443150-1000_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\sample_auto_file\shell\Read\command 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 -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
AcroRd32.exepid process 2388 AcroRd32.exe 2388 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
cmd.exerundll32.exedescription pid process target process PID 2276 wrote to memory of 2644 2276 cmd.exe rundll32.exe PID 2276 wrote to memory of 2644 2276 cmd.exe rundll32.exe PID 2276 wrote to memory of 2644 2276 cmd.exe rundll32.exe PID 2644 wrote to memory of 2388 2644 rundll32.exe AcroRd32.exe PID 2644 wrote to memory of 2388 2644 rundll32.exe AcroRd32.exe PID 2644 wrote to memory of 2388 2644 rundll32.exe AcroRd32.exe PID 2644 wrote to memory of 2388 2644 rundll32.exe AcroRd32.exe
Processes
-
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:2276 -
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:2644 -
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:2388
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEventsFilesize
3KB
MD50371dc75963d2d3623b868b8517a616d
SHA1c7ea4c004494b8b4f6f7ee9dce6f60fbcd8c201f
SHA25662cfd97a15cdabf71915659b08aca37eb460b96e06587f01a380d19a9ead8d8f
SHA512ffbee7bd4dfa83941573a4ba75544382118a10e1762dae74901a9a9af1040f07f7e654fe97e3dd40e62165b211b9c4e37227ec755974d4ec8632fab091a17b2a