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Analysis
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max time kernel
0s -
max time network
156s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
10/06/2024, 02:25
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-10_ffb5e536307cf11067f864e3833217db_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-06-10_ffb5e536307cf11067f864e3833217db_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-10_ffb5e536307cf11067f864e3833217db_cryptolocker.exe
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Size
49KB
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MD5
ffb5e536307cf11067f864e3833217db
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SHA1
9bbe338b2297d33cba61a7053ff5800e31d2f2c7
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SHA256
1438c035b7bd29cf71ae2eb3728474d47224d4baf18bc0c36e66653947860abd
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SHA512
17bd4cf5c201b33155702bd839effefa8958c5381af8b2a535aa2650af522afe9ae9d4e7f82c6d9a0e6d7307dfd1733290cd47e75caece1d96f817d98ea8c7e6
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWE6BLbjG9RzhwaRhAEFo:xj+VGMOtEvwDpjy+TRhxu
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
resource yara_rule behavioral1/memory/1668-0-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral1/files/0x000d00000001228c-11.dat CryptoLocker_rule2 behavioral1/memory/2224-16-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral1/memory/1668-15-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2224-26-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 -
Detection of Cryptolocker Samples 5 IoCs
resource yara_rule behavioral1/memory/1668-0-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral1/files/0x000d00000001228c-11.dat CryptoLocker_set1 behavioral1/memory/2224-16-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral1/memory/1668-15-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral1/memory/2224-26-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 -
Detects executables built or packed with MPress PE compressor 5 IoCs
resource yara_rule behavioral1/memory/1668-0-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/files/0x000d00000001228c-11.dat INDICATOR_EXE_Packed_MPress behavioral1/memory/2224-16-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/1668-15-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/2224-26-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress -
Executes dropped EXE 1 IoCs
pid Process 2224 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 1668 2024-06-10_ffb5e536307cf11067f864e3833217db_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 1668 wrote to memory of 2224 1668 2024-06-10_ffb5e536307cf11067f864e3833217db_cryptolocker.exe 28 PID 1668 wrote to memory of 2224 1668 2024-06-10_ffb5e536307cf11067f864e3833217db_cryptolocker.exe 28 PID 1668 wrote to memory of 2224 1668 2024-06-10_ffb5e536307cf11067f864e3833217db_cryptolocker.exe 28 PID 1668 wrote to memory of 2224 1668 2024-06-10_ffb5e536307cf11067f864e3833217db_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-06-10_ffb5e536307cf11067f864e3833217db_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-10_ffb5e536307cf11067f864e3833217db_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1668 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:2224
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
49KB
MD5b36259ad63ebb94ef8f6480cff491452
SHA1810e4c51aeb8284efb08b3d12f0a229bf8ec97e0
SHA256e1832ac2af83851f70e2563f9fd6479aec601c81e6173ff8ef7da0a62b652a1d
SHA5129fe6fa35b3b48c21fe1fe6206d9ad84e7dd5fd88374d74428d8868bf2110643c87b55da588d147917e7f0562752d826e336a66c400628507f30e2d0f5d66ef90