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
48s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-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
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Target
CVE-2023-38831/.git/hooks/pre-applypatch.sample
-
Size
424B
-
MD5
054f9ffb8bfe04a599751cc757226dda
-
SHA1
f208287c1a92525de9f5462e905a9d31de1e2d75
-
SHA256
e15c5b469ea3e0a695bea6f2c82bcf8e62821074939ddd85b77e0007ff165475
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SHA512
cb78aa7e9b9c146e5db65d86dd83f04e2b6942a06fab50c704a0fd900683f3b6ad1164e74afe2f267f6da91cdff0b9ab07713e12cefc6f8d741b5df194f4fda6
Malware Config
Signatures
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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-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.sample rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.sample\ = "sample_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\sample_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\sample_auto_file\shell\Read\command rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\sample_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\sample_auto_file rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\sample_auto_file\shell rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_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-1-5-21-2721934792-624042501-2768869379-1000_Classes\Local Settings rundll32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
AcroRd32.exepid process 2836 AcroRd32.exe 2836 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
cmd.exerundll32.exedescription pid process target process PID 2500 wrote to memory of 2684 2500 cmd.exe rundll32.exe PID 2500 wrote to memory of 2684 2500 cmd.exe rundll32.exe PID 2500 wrote to memory of 2684 2500 cmd.exe rundll32.exe PID 2684 wrote to memory of 2836 2684 rundll32.exe AcroRd32.exe PID 2684 wrote to memory of 2836 2684 rundll32.exe AcroRd32.exe PID 2684 wrote to memory of 2836 2684 rundll32.exe AcroRd32.exe PID 2684 wrote to memory of 2836 2684 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-applypatch.sample1⤵
- Suspicious use of WriteProcessMemory
PID:2500 -
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-applypatch.sample2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2684 -
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-applypatch.sample"3⤵
- Suspicious use of SetWindowsHookEx
PID:2836
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
MD5de15170566e69f3e91034c99cbd77d20
SHA1fdbccfc58d4d58fabdf760bc3acca24037e6e5db
SHA25614158bb25596d94d8ade5da91db08079e468414e760627bd57f9ea0510f32fd1
SHA512c9ae85d9e0eb264c8aeb20d90144dd6acf7c4de85d80d5b5ee58280af0a5e135dcac5813172fe4dd02eb4063b25ce32cdbda9333a9afe86d61a93f6e9a4776b2