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Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
11/03/2024, 17:27
Static task
static1
Behavioral task
behavioral1
Sample
2024-03-11_353ee9e7b3e2202ccbdab8c736bf81d8_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-03-11_353ee9e7b3e2202ccbdab8c736bf81d8_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-11_353ee9e7b3e2202ccbdab8c736bf81d8_cryptolocker.exe
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Size
49KB
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MD5
353ee9e7b3e2202ccbdab8c736bf81d8
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SHA1
78e25846df478c0de08d661a455e40a4e740d59f
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SHA256
21c4511bebd4fc2a23f970409f16c540c4ff7fd76152cd510691a9aa16610a00
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SHA512
4f448cc3f9218d916b59eadb4327df0aeaf7e988a8bee61aef894f67df9e8b2392d7ee6ee3c5f84e3984afad8dbda80096b91d6f0401d7a00b192ceb3385f06d
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWE6BLbjG9RzhwaSvaB:xj+VGMOtEvwDpjy+TRB
Malware Config
Signatures
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Detection of CryptoLocker Variants 6 IoCs
resource yara_rule behavioral1/memory/2180-1-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral1/files/0x000c0000000133b0-11.dat CryptoLocker_rule2 behavioral1/memory/2180-13-0x0000000000640000-0x0000000000650000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2924-17-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2180-15-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2924-27-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 -
Detection of Cryptolocker Samples 6 IoCs
resource yara_rule behavioral1/memory/2180-1-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral1/files/0x000c0000000133b0-11.dat CryptoLocker_set1 behavioral1/memory/2180-13-0x0000000000640000-0x0000000000650000-memory.dmp CryptoLocker_set1 behavioral1/memory/2924-17-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral1/memory/2180-15-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral1/memory/2924-27-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 -
Detects executables built or packed with MPress PE compressor 6 IoCs
resource yara_rule behavioral1/memory/2180-1-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/files/0x000c0000000133b0-11.dat INDICATOR_EXE_Packed_MPress behavioral1/memory/2180-13-0x0000000000640000-0x0000000000650000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/2924-17-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/2180-15-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/2924-27-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress -
Executes dropped EXE 1 IoCs
pid Process 2924 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2180 2024-03-11_353ee9e7b3e2202ccbdab8c736bf81d8_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 2180 wrote to memory of 2924 2180 2024-03-11_353ee9e7b3e2202ccbdab8c736bf81d8_cryptolocker.exe 28 PID 2180 wrote to memory of 2924 2180 2024-03-11_353ee9e7b3e2202ccbdab8c736bf81d8_cryptolocker.exe 28 PID 2180 wrote to memory of 2924 2180 2024-03-11_353ee9e7b3e2202ccbdab8c736bf81d8_cryptolocker.exe 28 PID 2180 wrote to memory of 2924 2180 2024-03-11_353ee9e7b3e2202ccbdab8c736bf81d8_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-03-11_353ee9e7b3e2202ccbdab8c736bf81d8_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-11_353ee9e7b3e2202ccbdab8c736bf81d8_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2180 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:2924
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
49KB
MD5087fac8895cc739f202f71175bc58f7e
SHA1046fba0799db2245e898d3b4a9625d5abbcea609
SHA256cd8ad8f5e6452ec81262bfd9fedef42881e29fc5c86d983e8bf50fece2325634
SHA512f8473a5051af7203b04e2a9b58dd36e881c58ac4bca9e76815a7200ac5c0f0dd6c3e5f2a4a709c830e158b240bc3a7d22b08edb08604a687ca0f6a12cdeff0cf