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Analysis
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max time kernel
149s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
07/06/2024, 12:45
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-07_7dda9206ad450e42c7f478c9d68c510c_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-06-07_7dda9206ad450e42c7f478c9d68c510c_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-07_7dda9206ad450e42c7f478c9d68c510c_cryptolocker.exe
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Size
44KB
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MD5
7dda9206ad450e42c7f478c9d68c510c
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SHA1
3b400b72f4c694156a21f8aba9b2a0d1e0338860
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SHA256
e439a00b6fce8f493892689a9b4399a5a76ac686652d7355945ac329a13942ea
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SHA512
dabedb651e013b28af61ee6358ebf6f8bdc9287be878788bd2550678c3dab764903e92be5ecd649e00a345fce462999e8ea6ad9c7c628fb38747c995b74e7d3f
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SSDEEP
768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqh6/CtXabM08:6j+1NMOtEvwDpjrR2XabMH
Malware Config
Signatures
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Detection of CryptoLocker Variants 6 IoCs
resource yara_rule behavioral1/memory/2208-0-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral1/files/0x000a0000000122ec-11.dat CryptoLocker_rule2 behavioral1/memory/2208-13-0x00000000005C0000-0x00000000005CF000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2208-16-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2192-25-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2192-26-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 -
Detection of Cryptolocker Samples 6 IoCs
resource yara_rule behavioral1/memory/2208-0-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral1/files/0x000a0000000122ec-11.dat CryptoLocker_set1 behavioral1/memory/2208-13-0x00000000005C0000-0x00000000005CF000-memory.dmp CryptoLocker_set1 behavioral1/memory/2208-16-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral1/memory/2192-25-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral1/memory/2192-26-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 -
Detects executables built or packed with MPress PE compressor 6 IoCs
resource yara_rule behavioral1/memory/2208-0-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/files/0x000a0000000122ec-11.dat INDICATOR_EXE_Packed_MPress behavioral1/memory/2208-13-0x00000000005C0000-0x00000000005CF000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/2208-16-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/2192-25-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/2192-26-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress -
Executes dropped EXE 1 IoCs
pid Process 2192 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2208 2024-06-07_7dda9206ad450e42c7f478c9d68c510c_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 2208 wrote to memory of 2192 2208 2024-06-07_7dda9206ad450e42c7f478c9d68c510c_cryptolocker.exe 28 PID 2208 wrote to memory of 2192 2208 2024-06-07_7dda9206ad450e42c7f478c9d68c510c_cryptolocker.exe 28 PID 2208 wrote to memory of 2192 2208 2024-06-07_7dda9206ad450e42c7f478c9d68c510c_cryptolocker.exe 28 PID 2208 wrote to memory of 2192 2208 2024-06-07_7dda9206ad450e42c7f478c9d68c510c_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-06-07_7dda9206ad450e42c7f478c9d68c510c_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-07_7dda9206ad450e42c7f478c9d68c510c_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2208 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:2192
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
44KB
MD5840edd060b7888caff71b7f0b56df280
SHA1e8f758e49afbba07c6b539a430d4aa09af26489d
SHA256e0e6f41111af3f100b1e06481a8beb2e42d830c9f8c07cb83d4edf624d729c87
SHA512d5fd1cf806f0ac1649d5746b57c07ef26285e89a1bd7a781f0df720e4345bae9c70e43859cc30731b1020e6016b79fc865657ef771fa296505a6851c5d182866