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Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
30/04/2024, 04:26
Static task
static1
Behavioral task
behavioral1
Sample
2024-04-30_0d30335f8dc869f5308abf7915a2a224_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-30_0d30335f8dc869f5308abf7915a2a224_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-30_0d30335f8dc869f5308abf7915a2a224_cryptolocker.exe
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Size
67KB
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MD5
0d30335f8dc869f5308abf7915a2a224
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SHA1
218366e48b5f9a5a484d753cac1447c041867f89
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SHA256
c92de2f91039c83fc5108bdec3894e21463d9313bab5a25506c5014dec369ebe
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SHA512
c21af0bc225ff852b5044619a073d888f4dc1a6da5a1c09cdf6c107072a04a908136bdeb54b7077d257eed590f3b4e443611cbaec91a6c67d83736f13a2b3e56
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUNsYD/X:i5nkFGMOtEvwDpjNbwQEI8UZDv
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
resource yara_rule behavioral1/memory/944-0-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral1/files/0x000c0000000122e4-11.dat CryptoLocker_rule2 behavioral1/memory/1836-17-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral1/memory/944-16-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral1/memory/1836-27-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 -
Detection of Cryptolocker Samples 4 IoCs
resource yara_rule behavioral1/memory/944-0-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral1/memory/1836-17-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral1/memory/944-16-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral1/memory/1836-27-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 -
Detects executables built or packed with MPress PE compressor 5 IoCs
resource yara_rule behavioral1/memory/944-0-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/files/0x000c0000000122e4-11.dat INDICATOR_EXE_Packed_MPress behavioral1/memory/1836-17-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/944-16-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/1836-27-0x0000000000500000-0x000000000050F000-memory.dmp INDICATOR_EXE_Packed_MPress -
Executes dropped EXE 1 IoCs
pid Process 1836 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 944 2024-04-30_0d30335f8dc869f5308abf7915a2a224_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 944 wrote to memory of 1836 944 2024-04-30_0d30335f8dc869f5308abf7915a2a224_cryptolocker.exe 28 PID 944 wrote to memory of 1836 944 2024-04-30_0d30335f8dc869f5308abf7915a2a224_cryptolocker.exe 28 PID 944 wrote to memory of 1836 944 2024-04-30_0d30335f8dc869f5308abf7915a2a224_cryptolocker.exe 28 PID 944 wrote to memory of 1836 944 2024-04-30_0d30335f8dc869f5308abf7915a2a224_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-04-30_0d30335f8dc869f5308abf7915a2a224_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-30_0d30335f8dc869f5308abf7915a2a224_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:944 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:1836
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
67KB
MD517bd0cbd5dcff90ad70698e997b1e503
SHA18021605a4869e63c0fc8a61ce6b25105805dd757
SHA25651b037699795729b94dbd936caba57f1faf646b60885552a5fd057e6d46b39db
SHA512add020246219a934bbea65c2a2b222e5a6258939e8671a9d2715488467a84c7caab41ca0135f5ac881f4186c601b90a47f454ca79a9cb8514ea869047c725638