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/post-update.sample
-
Size
189B
-
MD5
2b7ea5cee3c49ff53d41e00785eb974c
-
SHA1
b614c2f63da7dca9f1db2e7ade61ef30448fc96c
-
SHA256
81765af2daef323061dcbc5e61fc16481cb74b3bac9ad8a174b186523586f6c5
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SHA512
473ad124642571656276bf83b9ff63ab1804d3c23a5bdae52391c6f70a894849ac60c10c9d31deff3938922ce83b68b1e60c11592bbf7ea503f4acd39968cefa
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-1-5-21-2297530677-1229052932-2803917579-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\sample_auto_file rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\sample_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.sample rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\sample_auto_file\shell\Read\command rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\sample_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.sample\ = "sample_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\sample_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\sample_auto_file\shell rundll32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
AcroRd32.exepid process 2604 AcroRd32.exe 2604 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
cmd.exerundll32.exedescription pid process target process PID 2936 wrote to memory of 3004 2936 cmd.exe rundll32.exe PID 2936 wrote to memory of 3004 2936 cmd.exe rundll32.exe PID 2936 wrote to memory of 3004 2936 cmd.exe rundll32.exe PID 3004 wrote to memory of 2604 3004 rundll32.exe AcroRd32.exe PID 3004 wrote to memory of 2604 3004 rundll32.exe AcroRd32.exe PID 3004 wrote to memory of 2604 3004 rundll32.exe AcroRd32.exe PID 3004 wrote to memory of 2604 3004 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\post-update.sample1⤵
- Suspicious use of WriteProcessMemory
PID:2936 -
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\post-update.sample2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3004 -
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\post-update.sample"3⤵
- Suspicious use of SetWindowsHookEx
PID:2604
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
MD57ba52006512c989e57311140c0855ae8
SHA105f9b8b88795954f45ec36b1534444292ce97f8b
SHA25634add4ca5cc9083829601a2d7a9a197688de82513436ebd10f959062ae806c24
SHA5121eaf7d3488bcc97414557418b6d1446f5416c00b018b6645d44c3650757a0a8d922e085f16399b3f97231da77a8343426f2bc5f9fff5e46acb0e44d3237caf4e