Analysis
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max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
21-11-2024 07:38
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-21_8c998b91fc444b23579c8939ea4acbbd_cryptolocker.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
2024-11-21_8c998b91fc444b23579c8939ea4acbbd_cryptolocker.exe
Resource
win10v2004-20241007-en
General
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Target
2024-11-21_8c998b91fc444b23579c8939ea4acbbd_cryptolocker.exe
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Size
62KB
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MD5
8c998b91fc444b23579c8939ea4acbbd
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SHA1
411f1ccec9f1eb20fe96ec87f0f0efab3da8ff19
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SHA256
86ae9ea215a781b4ab6166d9916a9ec67ff2b123f79c872a7867006534fcc6ac
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SHA512
32a4d2ffc39f6497aa5fcae474fca82be2f17f1d60cacf1e773d9a9de0914f7d36af205b2ec6c57046c230a3806d82d92109b52633a6847e0e1bc3e763a5bc4d
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SSDEEP
1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ36ucJ:ZVxkGOtEvwDpjcaW
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
misid.exepid process 1948 misid.exe -
Loads dropped DLL 1 IoCs
Processes:
2024-11-21_8c998b91fc444b23579c8939ea4acbbd_cryptolocker.exepid process 2064 2024-11-21_8c998b91fc444b23579c8939ea4acbbd_cryptolocker.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
misid.exe2024-11-21_8c998b91fc444b23579c8939ea4acbbd_cryptolocker.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language misid.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-11-21_8c998b91fc444b23579c8939ea4acbbd_cryptolocker.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
2024-11-21_8c998b91fc444b23579c8939ea4acbbd_cryptolocker.exedescription pid process target process PID 2064 wrote to memory of 1948 2064 2024-11-21_8c998b91fc444b23579c8939ea4acbbd_cryptolocker.exe misid.exe PID 2064 wrote to memory of 1948 2064 2024-11-21_8c998b91fc444b23579c8939ea4acbbd_cryptolocker.exe misid.exe PID 2064 wrote to memory of 1948 2064 2024-11-21_8c998b91fc444b23579c8939ea4acbbd_cryptolocker.exe misid.exe PID 2064 wrote to memory of 1948 2064 2024-11-21_8c998b91fc444b23579c8939ea4acbbd_cryptolocker.exe misid.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-11-21_8c998b91fc444b23579c8939ea4acbbd_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-11-21_8c998b91fc444b23579c8939ea4acbbd_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2064 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1948
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
63KB
MD57a66c80864c2785c12fcb33cce3c814c
SHA1a6312a046201e3406f1dfc70b10f623190c76e43
SHA256ff8358fee9ea17c51b0e888533cc82d42e56a94c954735e3296c4fbe92d279df
SHA512b78aaa264f99c12a31c9d3cff0757cd047d4ecaf03803ca2d0575ec3c498c519c3aae5dcef606f8e33e37c9a647e8e0f6d5fe0cc8c1012d70c308b6296090887