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Analysis
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max time kernel
148s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240419-en -
resource tags
arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system -
submitted
12/05/2024, 05:27
Static task
static1
Behavioral task
behavioral1
Sample
2024-05-12_61870e78e62a15111cdc239bae6a3b92_cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-05-12_61870e78e62a15111cdc239bae6a3b92_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-12_61870e78e62a15111cdc239bae6a3b92_cryptolocker.exe
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Size
51KB
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MD5
61870e78e62a15111cdc239bae6a3b92
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SHA1
faf234bfba6b93693fa891824b92e5595d07ae2a
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SHA256
c007da949c3fb75ebc64dc5f1845a98fad80220a0ce7522a345b3cb25bc6bb32
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SHA512
24c6c0ee537030b84af22f7f3aaafd0220713f6de417c57321c32c9c7a2569d6db59e013f41ae7b921f60a749121fb497b288fafece07f12e7293aaa122e7acb
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SSDEEP
768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaaEqbIu55id3AMWZp8o:X6QFElP6n+gJQMOtEvwDpjB0GIWiWLp
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x0007000000012120-10.dat CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral1/files/0x0007000000012120-10.dat CryptoLocker_set1 -
Executes dropped EXE 1 IoCs
pid Process 1984 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 2264 2024-05-12_61870e78e62a15111cdc239bae6a3b92_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 2264 wrote to memory of 1984 2264 2024-05-12_61870e78e62a15111cdc239bae6a3b92_cryptolocker.exe 28 PID 2264 wrote to memory of 1984 2264 2024-05-12_61870e78e62a15111cdc239bae6a3b92_cryptolocker.exe 28 PID 2264 wrote to memory of 1984 2264 2024-05-12_61870e78e62a15111cdc239bae6a3b92_cryptolocker.exe 28 PID 2264 wrote to memory of 1984 2264 2024-05-12_61870e78e62a15111cdc239bae6a3b92_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-12_61870e78e62a15111cdc239bae6a3b92_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-12_61870e78e62a15111cdc239bae6a3b92_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2264 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:1984
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
51KB
MD5eece0b9137e2dd6666ae97625495bb72
SHA1c8ce0529e2526bbbd5612ac1e3e5757e2e506d3d
SHA256e8b246a3458e4cb5fa8123d65186ef204d97176e27b4ba6e57df0e5d2a10c8c7
SHA512957dddb38b3a5503c940fad068f8c8a4f37f8aada2f42c768c1b575c091c23296a137bee7b8b0331bd80cda8e59e3a74a74384ca6c222d7b448f5fcb62df81a0