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Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240419-en -
resource tags
arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system -
submitted
26/05/2024, 04:03
Static task
static1
Behavioral task
behavioral1
Sample
2024-05-26_fd47664a1a3951b8eab4d2f82c5d12fa_cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-05-26_fd47664a1a3951b8eab4d2f82c5d12fa_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-05-26_fd47664a1a3951b8eab4d2f82c5d12fa_cryptolocker.exe
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Size
96KB
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MD5
fd47664a1a3951b8eab4d2f82c5d12fa
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SHA1
63f84e6a96ec037edb779dddb1544d00d51c18fe
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SHA256
8a19963bc478e299ddba603f212a1de8e78a581589dcacd656f44de22a1f65a2
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SHA512
d2b60f09343d0ed0d1894796a6c3bed742bf98ac96411e3033b79b1f0837904dbc7905da457835b1f7da85d9a9909a5eb247dd4d37ba55f2badc0a3cb6dd0d13
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRiWNa9mktJyqdm:xj+VGMOtEvwDpjubwQEIiVmkuqQ
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral1/memory/1740-1-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral1/files/0x000b000000012279-11.dat CryptoLocker_rule2 behavioral1/memory/2024-15-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2024-25-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 -
Detection of Cryptolocker Samples 4 IoCs
resource yara_rule behavioral1/memory/1740-1-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral1/files/0x000b000000012279-11.dat CryptoLocker_set1 behavioral1/memory/2024-15-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral1/memory/2024-25-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 -
Detects executables built or packed with MPress PE compressor 4 IoCs
resource yara_rule behavioral1/memory/1740-1-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/files/0x000b000000012279-11.dat INDICATOR_EXE_Packed_MPress behavioral1/memory/2024-15-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/2024-25-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress -
Executes dropped EXE 1 IoCs
pid Process 2024 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 1740 2024-05-26_fd47664a1a3951b8eab4d2f82c5d12fa_cryptolocker.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1740 wrote to memory of 2024 1740 2024-05-26_fd47664a1a3951b8eab4d2f82c5d12fa_cryptolocker.exe 28 PID 1740 wrote to memory of 2024 1740 2024-05-26_fd47664a1a3951b8eab4d2f82c5d12fa_cryptolocker.exe 28 PID 1740 wrote to memory of 2024 1740 2024-05-26_fd47664a1a3951b8eab4d2f82c5d12fa_cryptolocker.exe 28 PID 1740 wrote to memory of 2024 1740 2024-05-26_fd47664a1a3951b8eab4d2f82c5d12fa_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-26_fd47664a1a3951b8eab4d2f82c5d12fa_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-26_fd47664a1a3951b8eab4d2f82c5d12fa_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1740 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:2024
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
97KB
MD567b2c74cfce72dc7e40ce9318b9456f0
SHA16048264e244feabe09259e297dbbd710adeb2882
SHA256213533111f0e588da0a3114b97e2f7df8e3332ec223265c05f2d19b559bd9f46
SHA51262b30abd29c287fb4dd4374f2a68550a3664852cff234731a689cae25314f8d539145e2672fe7324a4ad308e615d8a244f043a6ffa2ec84f7154ed3c44e5b22d