Analysis
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max time kernel
146s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
11/03/2024, 14:54
Static task
static1
Behavioral task
behavioral1
Sample
2024-03-11_f9976bb0ea78e0f7a407ba262993c8e0_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-11_f9976bb0ea78e0f7a407ba262993c8e0_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-11_f9976bb0ea78e0f7a407ba262993c8e0_cryptolocker.exe
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Size
38KB
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MD5
f9976bb0ea78e0f7a407ba262993c8e0
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SHA1
2899b0fe93e1be9182847b75acf59bdbde4c70a8
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SHA256
ee63c12512371bbd3af6aa445de2ced241868392f71373c4d900bc04683bbc23
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SHA512
40e7450ba588bc16dd76a2c17068d1abc5c8ffd044eacac56ae7c43b5bb91e6b26421dac7f0d72f7ffe2e57d4c30cae0c76283f67c597fff4fe3021ff37a8b01
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SSDEEP
768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen7JEgx3OvRxN32RJ:bxNrC7kYo1Fxf3s06gYvRbW
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral1/files/0x000c0000000122fc-10.dat CryptoLocker_rule2 -
Executes dropped EXE 1 IoCs
pid Process 2036 pissa.exe -
Loads dropped DLL 1 IoCs
pid Process 1720 2024-03-11_f9976bb0ea78e0f7a407ba262993c8e0_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 1720 wrote to memory of 2036 1720 2024-03-11_f9976bb0ea78e0f7a407ba262993c8e0_cryptolocker.exe 28 PID 1720 wrote to memory of 2036 1720 2024-03-11_f9976bb0ea78e0f7a407ba262993c8e0_cryptolocker.exe 28 PID 1720 wrote to memory of 2036 1720 2024-03-11_f9976bb0ea78e0f7a407ba262993c8e0_cryptolocker.exe 28 PID 1720 wrote to memory of 2036 1720 2024-03-11_f9976bb0ea78e0f7a407ba262993c8e0_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-03-11_f9976bb0ea78e0f7a407ba262993c8e0_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-11_f9976bb0ea78e0f7a407ba262993c8e0_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1720 -
C:\Users\Admin\AppData\Local\Temp\pissa.exe"C:\Users\Admin\AppData\Local\Temp\pissa.exe"2⤵
- Executes dropped EXE
PID:2036
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
38KB
MD59cd9923bc2b3be1def0473b49e17daa5
SHA1a9453f6905baa61afc7cfc53259c463348c4d1da
SHA2560eafa4979cacb67e6d7a0d2ccb342063643cef9ec6b8d1f3b7d7b6f0ff43579d
SHA51246f742218c252ed36d533a00f16172c41b7b00190f8aa260bd748e38e233709ef2eb1bd6795673456cd3eefdd49373b4d9a058c87e50f81475b7cca69d938458