Analysis
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max time kernel
150s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
21-11-2024 07:41
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-21_f634b76e3b7e399bb0d149d945a41e88_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-11-21_f634b76e3b7e399bb0d149d945a41e88_cryptolocker.exe
Resource
win10v2004-20241007-en
General
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Target
2024-11-21_f634b76e3b7e399bb0d149d945a41e88_cryptolocker.exe
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Size
73KB
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MD5
f634b76e3b7e399bb0d149d945a41e88
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SHA1
50678c49232ee774f54865baf7b75f3de33de19e
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SHA256
4018e75be60acefac3e57e32c978f14f3637fdb1f1da6edf798ce423ca2d70a0
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SHA512
07c7284c1bf3eb610c4411e6635fe6827cdedde25abb0fb3005bbe2bff70418fffaf7137ad172e398987ff03336f8fdb5cfc91c15059f4ee71074d2796e542db
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SSDEEP
768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4ZPsED3VK2+ZtyOjgO4r9vFAg2rq2g1B/Rx:vj+jsMQMOtEvwDpj5HZYTjipvF24p
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
misid.exepid process 1880 misid.exe -
Loads dropped DLL 1 IoCs
Processes:
2024-11-21_f634b76e3b7e399bb0d149d945a41e88_cryptolocker.exepid process 2204 2024-11-21_f634b76e3b7e399bb0d149d945a41e88_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:
2024-11-21_f634b76e3b7e399bb0d149d945a41e88_cryptolocker.exemisid.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-11-21_f634b76e3b7e399bb0d149d945a41e88_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language misid.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
2024-11-21_f634b76e3b7e399bb0d149d945a41e88_cryptolocker.exedescription pid process target process PID 2204 wrote to memory of 1880 2204 2024-11-21_f634b76e3b7e399bb0d149d945a41e88_cryptolocker.exe misid.exe PID 2204 wrote to memory of 1880 2204 2024-11-21_f634b76e3b7e399bb0d149d945a41e88_cryptolocker.exe misid.exe PID 2204 wrote to memory of 1880 2204 2024-11-21_f634b76e3b7e399bb0d149d945a41e88_cryptolocker.exe misid.exe PID 2204 wrote to memory of 1880 2204 2024-11-21_f634b76e3b7e399bb0d149d945a41e88_cryptolocker.exe misid.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-11-21_f634b76e3b7e399bb0d149d945a41e88_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-11-21_f634b76e3b7e399bb0d149d945a41e88_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2204 -
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:1880
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
73KB
MD503458a81a5386857109b2128b543608a
SHA1ffe3d7ad26550d6ed9f695adbd56573649f46ddf
SHA256262505533ccb3016af6c736c1799f1f50f72289e422e6173ff1efba752d2ba50
SHA5126622d5c0a240b07d958d10f9510ec08126e21b6bf492afee0cd5e8a2f04db1c18978c1fe924d4bd2dd5b4da4d15ffbee8688b0a58b5aa1c9c1eab260d9283a0f