Analysis
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max time kernel
150s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20240611-en -
resource tags
arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system -
submitted
13-06-2024 02:54
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-13_75c5171aa865369eb8c6d860074f4a0f_cryptolocker.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
2024-06-13_75c5171aa865369eb8c6d860074f4a0f_cryptolocker.exe
Resource
win10v2004-20240611-en
General
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Target
2024-06-13_75c5171aa865369eb8c6d860074f4a0f_cryptolocker.exe
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Size
2.0MB
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MD5
75c5171aa865369eb8c6d860074f4a0f
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SHA1
eb815b9aa256f02037735b5efa52fd09780809a7
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SHA256
d7fdaad9f23ee00a78943348d53f3d56928ac5c03558ae09c085655ffa19f949
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SHA512
0ef2ec3b5387f62f27f5ca503543a8640c06bec9f19e322fa42dc9c75261fe678ee021b0471022c445865db2295510e74a50e96d6aa7f4d45859dd5a5c2d4ed2
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SSDEEP
49152:Z9FYSZ72CT32laA+iHAg9lVF1lVF1lVFkUEiiCX/:JjGzP
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral1/memory/2016-1-0x0000000000500000-0x000000000063E000-memory.dmp CryptoLocker_rule2 behavioral1/files/0x000b000000012295-11.dat CryptoLocker_rule2 behavioral1/memory/1432-25-0x0000000000500000-0x000000000063E000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2016-23-0x0000000000500000-0x000000000063E000-memory.dmp CryptoLocker_rule2 -
Detection of Cryptolocker Samples 4 IoCs
resource yara_rule behavioral1/memory/2016-1-0x0000000000500000-0x000000000063E000-memory.dmp CryptoLocker_set1 behavioral1/files/0x000b000000012295-11.dat CryptoLocker_set1 behavioral1/memory/1432-25-0x0000000000500000-0x000000000063E000-memory.dmp CryptoLocker_set1 behavioral1/memory/2016-23-0x0000000000500000-0x000000000063E000-memory.dmp CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 1432 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2016 2024-06-13_75c5171aa865369eb8c6d860074f4a0f_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 2016 wrote to memory of 1432 2016 2024-06-13_75c5171aa865369eb8c6d860074f4a0f_cryptolocker.exe 28 PID 2016 wrote to memory of 1432 2016 2024-06-13_75c5171aa865369eb8c6d860074f4a0f_cryptolocker.exe 28 PID 2016 wrote to memory of 1432 2016 2024-06-13_75c5171aa865369eb8c6d860074f4a0f_cryptolocker.exe 28 PID 2016 wrote to memory of 1432 2016 2024-06-13_75c5171aa865369eb8c6d860074f4a0f_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-06-13_75c5171aa865369eb8c6d860074f4a0f_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-13_75c5171aa865369eb8c6d860074f4a0f_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2016 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:1432
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.0MB
MD5fc373e51596b2f66a3000a955e4c24eb
SHA15ea673ab3a04b201c085dde107c7caef8601875d
SHA256e559821586b3690013ba46e049828afa62e3172646621481e2f576130427123b
SHA5126f2887e1e36b27524f72b378778ae10ddd869e208d271acd4c441265f972c70a4f1aaf5a6a6f23ffe60bf3e59d128c9112abc4d91ab16a3975f073bcbb49fde0