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Analysis
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max time kernel
148s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
23/05/2024, 20:52
Static task
static1
Behavioral task
behavioral1
Sample
2024-05-23_2daedc9104ad05d3189cccd79726850e_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-23_2daedc9104ad05d3189cccd79726850e_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-23_2daedc9104ad05d3189cccd79726850e_cryptolocker.exe
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Size
52KB
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MD5
2daedc9104ad05d3189cccd79726850e
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SHA1
87e9ef4e7841c15d99af9b0c84ad68b5060b7452
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SHA256
2480d7025b9f7db326bc3c5e7242f6c5fb1afa9d532522c0fb8886e7f18cc074
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SHA512
ff0525d124769e4deb5a7a1c85a44ba995518674d23540f8072fc3369dd1cb96a33587aa5593fb71b4a48768cb286d11b07623251fc941d66b54f0422ea5b1f9
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SSDEEP
768:79inqyNR/QtOOtEvwDpjBK/rJ+Nw8qnTHGfS0:79mqyNhQMOtEvwDpjBxe8GGfz
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral1/memory/2224-0-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral1/files/0x000e0000000126b8-11.dat CryptoLocker_rule2 behavioral1/memory/2004-16-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2224-15-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_rule2 -
Detection of Cryptolocker Samples 4 IoCs
resource yara_rule behavioral1/memory/2224-0-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral1/files/0x000e0000000126b8-11.dat CryptoLocker_set1 behavioral1/memory/2004-16-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 behavioral1/memory/2224-15-0x0000000000500000-0x000000000050F000-memory.dmp CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 2004 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 2224 2024-05-23_2daedc9104ad05d3189cccd79726850e_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 2224 wrote to memory of 2004 2224 2024-05-23_2daedc9104ad05d3189cccd79726850e_cryptolocker.exe 28 PID 2224 wrote to memory of 2004 2224 2024-05-23_2daedc9104ad05d3189cccd79726850e_cryptolocker.exe 28 PID 2224 wrote to memory of 2004 2224 2024-05-23_2daedc9104ad05d3189cccd79726850e_cryptolocker.exe 28 PID 2224 wrote to memory of 2004 2224 2024-05-23_2daedc9104ad05d3189cccd79726850e_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-23_2daedc9104ad05d3189cccd79726850e_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-23_2daedc9104ad05d3189cccd79726850e_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2224 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:2004
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
52KB
MD5f182ee71095ddc9c7f0b4d7d37f20dde
SHA1e6619013e05bd41753ad73c50c140d416bec5aa5
SHA256fb94efc374e36d6ad8fdd6542b239423429eac613780cfa25bda41f947cf5ecc
SHA5121ed63b91538372f9ec10750d5df31a08a8e044ae612afb0bd16498526d4d538aa8046e6e28f683cb203c6f51725c21a21bed5e20e3f5afc3a8fe34ac99aa4143