Analysis
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max time kernel
150s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
23/01/2024, 21:03
Static task
static1
Behavioral task
behavioral1
Sample
2024-01-23_dbd86559f81ca4467bda44a8eef801c8_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-23_dbd86559f81ca4467bda44a8eef801c8_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-23_dbd86559f81ca4467bda44a8eef801c8_cryptolocker.exe
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Size
60KB
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MD5
dbd86559f81ca4467bda44a8eef801c8
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SHA1
cc6494c2d15eb684d1008aae878bf36e50d92993
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SHA256
2c8c2f531c188bf3e1f0a42a3628d22a044999e76a51e99e40a043ae1ffe2744
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SHA512
483de60b7ab6674e222e8857ded7e9a6eb7b71df00b0fe4aa4ebdb4de7390ed552960ba76d8bfd0dc75afd9c237cec60a703e6813ed31e8e4f7c63f2be007c56
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SSDEEP
1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMm:TCjsIOtEvwDpj5HE/OUHnSM1
Malware Config
Signatures
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Detection of CryptoLocker Variants 7 IoCs
resource yara_rule behavioral1/memory/2436-0-0x0000000000500000-0x000000000050E000-memory.dmp CryptoLocker_rule2 behavioral1/files/0x000e000000012247-11.dat CryptoLocker_rule2 behavioral1/memory/2436-15-0x0000000000500000-0x000000000050E000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2436-14-0x0000000002480000-0x000000000248E000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2752-17-0x0000000000500000-0x000000000050E000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2436-27-0x0000000002480000-0x000000000248E000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2752-28-0x0000000000500000-0x000000000050E000-memory.dmp CryptoLocker_rule2 -
Detection of Cryptolocker Samples 7 IoCs
resource yara_rule behavioral1/memory/2436-0-0x0000000000500000-0x000000000050E000-memory.dmp CryptoLocker_set1 behavioral1/files/0x000e000000012247-11.dat CryptoLocker_set1 behavioral1/memory/2436-15-0x0000000000500000-0x000000000050E000-memory.dmp CryptoLocker_set1 behavioral1/memory/2436-14-0x0000000002480000-0x000000000248E000-memory.dmp CryptoLocker_set1 behavioral1/memory/2752-17-0x0000000000500000-0x000000000050E000-memory.dmp CryptoLocker_set1 behavioral1/memory/2436-27-0x0000000002480000-0x000000000248E000-memory.dmp CryptoLocker_set1 behavioral1/memory/2752-28-0x0000000000500000-0x000000000050E000-memory.dmp CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 2752 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2436 2024-01-23_dbd86559f81ca4467bda44a8eef801c8_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 2436 wrote to memory of 2752 2436 2024-01-23_dbd86559f81ca4467bda44a8eef801c8_cryptolocker.exe 28 PID 2436 wrote to memory of 2752 2436 2024-01-23_dbd86559f81ca4467bda44a8eef801c8_cryptolocker.exe 28 PID 2436 wrote to memory of 2752 2436 2024-01-23_dbd86559f81ca4467bda44a8eef801c8_cryptolocker.exe 28 PID 2436 wrote to memory of 2752 2436 2024-01-23_dbd86559f81ca4467bda44a8eef801c8_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-01-23_dbd86559f81ca4467bda44a8eef801c8_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-23_dbd86559f81ca4467bda44a8eef801c8_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2436 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:2752
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60KB
MD500072a8ad65b08b9354ccb4384500023
SHA10d86778ffab0bd3e690d2ee76cf57516ed11c36a
SHA2561046907ce9465d74be83ea0c17549dcd9e11deadc20f32b4d01740fd0a7e68e8
SHA51296523642306600c55b1d2e573ea66cdce93201bd7dacc605350796cf81d7758a05d2772390f3940bec0265d584e2ebcb8d17c074c4094054151f8ddd9f42a38a