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Analysis
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max time kernel
149s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
22/02/2024, 06:05
Static task
static1
Behavioral task
behavioral1
Sample
2024-02-22_c36f08de0e4fd891e5b296fa1aff3ef9_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-22_c36f08de0e4fd891e5b296fa1aff3ef9_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-22_c36f08de0e4fd891e5b296fa1aff3ef9_cryptolocker.exe
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Size
60KB
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MD5
c36f08de0e4fd891e5b296fa1aff3ef9
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SHA1
33edd804164f63a79015ddac3581f11b704dd8c0
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SHA256
4b67fec7eb0d4f6994dd39774e22745e3bdc882ba771cd158544732eed16122c
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SHA512
6fcf9bc10adced6c87b1d4307428e3d4dad8d4f0a07f840061cea0e8575b3893c9f2eff94c40be8921f7e63c34ff6cf64fcf4b294aa95b070ef7945fe92c8c24
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SSDEEP
1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMTI3:TCjsIOtEvwDpj5HE/OUHnSMp
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
resource yara_rule behavioral1/memory/2492-0-0x0000000000500000-0x000000000050E000-memory.dmp CryptoLocker_rule2 behavioral1/files/0x0008000000012254-11.dat CryptoLocker_rule2 behavioral1/memory/2492-15-0x0000000000500000-0x000000000050E000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2052-16-0x0000000000500000-0x000000000050E000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2052-26-0x0000000000500000-0x000000000050E000-memory.dmp CryptoLocker_rule2 -
Detection of Cryptolocker Samples 5 IoCs
resource yara_rule behavioral1/memory/2492-0-0x0000000000500000-0x000000000050E000-memory.dmp CryptoLocker_set1 behavioral1/files/0x0008000000012254-11.dat CryptoLocker_set1 behavioral1/memory/2492-15-0x0000000000500000-0x000000000050E000-memory.dmp CryptoLocker_set1 behavioral1/memory/2052-16-0x0000000000500000-0x000000000050E000-memory.dmp CryptoLocker_set1 behavioral1/memory/2052-26-0x0000000000500000-0x000000000050E000-memory.dmp CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 2052 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2492 2024-02-22_c36f08de0e4fd891e5b296fa1aff3ef9_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 2492 wrote to memory of 2052 2492 2024-02-22_c36f08de0e4fd891e5b296fa1aff3ef9_cryptolocker.exe 28 PID 2492 wrote to memory of 2052 2492 2024-02-22_c36f08de0e4fd891e5b296fa1aff3ef9_cryptolocker.exe 28 PID 2492 wrote to memory of 2052 2492 2024-02-22_c36f08de0e4fd891e5b296fa1aff3ef9_cryptolocker.exe 28 PID 2492 wrote to memory of 2052 2492 2024-02-22_c36f08de0e4fd891e5b296fa1aff3ef9_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-02-22_c36f08de0e4fd891e5b296fa1aff3ef9_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-22_c36f08de0e4fd891e5b296fa1aff3ef9_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2492 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:2052
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60KB
MD58c9a6d3cd257796b6f5a745e5b670070
SHA10354224884846d9803a0c0bb5c831f3a38ae85f7
SHA256615b6ea9eea6539b9f351566885da9a091fad08b2964aefe03954c7c30eb5da2
SHA512633dbe5208d799965dd9348eec69cfd59153047b30100106b5a235145f3ebcb980e7750f86852af016e2a5933fee1d48b94cbafba98f11b3e7f7bf2a5265d214