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Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
15/04/2024, 12:02
Static task
static1
Behavioral task
behavioral1
Sample
2024-04-15_cc1a18fabb960c215d97fc94d8965877_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-15_cc1a18fabb960c215d97fc94d8965877_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-15_cc1a18fabb960c215d97fc94d8965877_cryptolocker.exe
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Size
94KB
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MD5
cc1a18fabb960c215d97fc94d8965877
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SHA1
ecfe1ea4540642428b6d1579c92b1910b858c86a
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SHA256
d819174d1c295682a4d192fd28759a2f6920fae132ebb07c49f787d7a787d3be
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SHA512
4476be96162cfaffbfd56a716b4d110e4f05290f3235af3856e896e77377135eea24b953317c139f061c55617e99006277c518f0b412748d547f769b1a5eea5a
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SSDEEP
1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwMgo:V6a+pOtEvwDpjtzE
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000b000000012256-10.dat CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x000b000000012256-10.dat CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 1284 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 2156 2024-04-15_cc1a18fabb960c215d97fc94d8965877_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 2156 wrote to memory of 1284 2156 2024-04-15_cc1a18fabb960c215d97fc94d8965877_cryptolocker.exe 28 PID 2156 wrote to memory of 1284 2156 2024-04-15_cc1a18fabb960c215d97fc94d8965877_cryptolocker.exe 28 PID 2156 wrote to memory of 1284 2156 2024-04-15_cc1a18fabb960c215d97fc94d8965877_cryptolocker.exe 28 PID 2156 wrote to memory of 1284 2156 2024-04-15_cc1a18fabb960c215d97fc94d8965877_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-04-15_cc1a18fabb960c215d97fc94d8965877_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-15_cc1a18fabb960c215d97fc94d8965877_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2156 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:1284
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
94KB
MD5a0a055586aabe1e277e54ba968193993
SHA183c842b99f8faf0455fe15d34a4947719c1242a7
SHA25617e92511b42a13e09f31e2ae34d6828d07a8245cd0b96efa0b42a3c7e28679f7
SHA5120fe9eb71309d1c36373814d6c9ab5d07d0a3a2e08ec3f19ed95fafa3e249eb146bb5c8a9478600dd91464e5bc025ec6cd396c2c25d0ae0b01e58880f3ffbe21d