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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
16/04/2024, 04:38
Static task
static1
Behavioral task
behavioral1
Sample
2024-04-16_3c3136149667fde60ed0c51da91b12de_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-16_3c3136149667fde60ed0c51da91b12de_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-16_3c3136149667fde60ed0c51da91b12de_cryptolocker.exe
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Size
48KB
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MD5
3c3136149667fde60ed0c51da91b12de
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SHA1
ee99b6c8bc1722f10f893f23e90620a297c5e903
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SHA256
49fcfa897454898a1299c085a3b36e1398f4cadfbe52322db4e203a4041d29c5
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SHA512
b8dadd66f8ead1cf74aa14fe2a1792c04b55f2cf3aa52dee4ddb921dd427a6fe89ed2e1de307a378c61775790a8851988da608f2082d3402218b5d3885c42d9a
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWE6BLbjG9RzhwaN4NOn:xj+VGMOtEvwDpjy+TN4g
Malware Config
Signatures
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Detection of CryptoLocker Variants 6 IoCs
resource yara_rule behavioral1/memory/2136-1-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral1/files/0x000a000000013a71-11.dat CryptoLocker_rule2 behavioral1/memory/2136-15-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral1/memory/3052-17-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2136-13-0x0000000002880000-0x0000000002890000-memory.dmp CryptoLocker_rule2 behavioral1/memory/3052-27-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 -
Detection of Cryptolocker Samples 6 IoCs
resource yara_rule behavioral1/memory/2136-1-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral1/files/0x000a000000013a71-11.dat CryptoLocker_set1 behavioral1/memory/2136-15-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral1/memory/3052-17-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral1/memory/2136-13-0x0000000002880000-0x0000000002890000-memory.dmp CryptoLocker_set1 behavioral1/memory/3052-27-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 -
Detects executables built or packed with MPress PE compressor 6 IoCs
resource yara_rule behavioral1/memory/2136-1-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/files/0x000a000000013a71-11.dat INDICATOR_EXE_Packed_MPress behavioral1/memory/2136-15-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/3052-17-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/2136-13-0x0000000002880000-0x0000000002890000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/3052-27-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress -
Executes dropped EXE 1 IoCs
pid Process 3052 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2136 2024-04-16_3c3136149667fde60ed0c51da91b12de_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 2136 wrote to memory of 3052 2136 2024-04-16_3c3136149667fde60ed0c51da91b12de_cryptolocker.exe 28 PID 2136 wrote to memory of 3052 2136 2024-04-16_3c3136149667fde60ed0c51da91b12de_cryptolocker.exe 28 PID 2136 wrote to memory of 3052 2136 2024-04-16_3c3136149667fde60ed0c51da91b12de_cryptolocker.exe 28 PID 2136 wrote to memory of 3052 2136 2024-04-16_3c3136149667fde60ed0c51da91b12de_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-04-16_3c3136149667fde60ed0c51da91b12de_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-16_3c3136149667fde60ed0c51da91b12de_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2136 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:3052
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
48KB
MD595f2c0040259b19f34026d166e4c491f
SHA1662deef4860baa8fae7317c42901f18109ad9be6
SHA2564ee50839246ea66663a1fe1d001215331049ba9e6264cb25fb2484b1f0051d74
SHA5127f4f9851a94c8d67bb38a35823d9bbaf5e0d9d74b8443410c559ed0094140c1ab5c86a4d030848662830e8d4a6d22792743311cb5f2aad520ccc41604bf39acb