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Analysis
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max time kernel
148s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
17/10/2024, 16:34
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-17_e652e3bddc276cd5076d14e773410c6d_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-17_e652e3bddc276cd5076d14e773410c6d_cryptolocker.exe
Resource
win10v2004-20241007-en
General
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Target
2024-10-17_e652e3bddc276cd5076d14e773410c6d_cryptolocker.exe
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Size
75KB
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MD5
e652e3bddc276cd5076d14e773410c6d
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SHA1
33741f3ce5f3c2004a04a36a0692cc96b8cdb1d7
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SHA256
c20300516b4c4475e4a7a010f00976da950e7af258a07aa74526ab94488e0409
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SHA512
d88f6f3535ac5b95d58fdb5840d3d9f3ac6d2fb1009f5cd9c05aa19e31220996676e5e4a33fd24bc85029b64acdd225577968a76fa4c33084dfd1b7fc401b8b9
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SSDEEP
1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfIufE:vCjsIOtEvwDpj5H9YvQd2w
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2752 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2656 2024-10-17_e652e3bddc276cd5076d14e773410c6d_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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-10-17_e652e3bddc276cd5076d14e773410c6d_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language misid.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2656 wrote to memory of 2752 2656 2024-10-17_e652e3bddc276cd5076d14e773410c6d_cryptolocker.exe 30 PID 2656 wrote to memory of 2752 2656 2024-10-17_e652e3bddc276cd5076d14e773410c6d_cryptolocker.exe 30 PID 2656 wrote to memory of 2752 2656 2024-10-17_e652e3bddc276cd5076d14e773410c6d_cryptolocker.exe 30 PID 2656 wrote to memory of 2752 2656 2024-10-17_e652e3bddc276cd5076d14e773410c6d_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-17_e652e3bddc276cd5076d14e773410c6d_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-17_e652e3bddc276cd5076d14e773410c6d_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2656 -
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:2752
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
76KB
MD52f9d30bbf7cc4d36c75b7ce95b2a8524
SHA16cc6fa15c65d28323d69f19cb2479d6a6df0913b
SHA2568b8a75936bb95f58cc51d9cec3fa35c821aefe2f4e8e96b2047b2ae0dbfbde02
SHA51229273bd620e73f6eb2705f8eada92bd3d0fcb4869d4d8e94299637f4dd5ee55fd5bb291db65dc56e4a1a1234efa36bc182cd1036e5015d90b044661cac521526