Analysis
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max time kernel
150s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
25/08/2024, 07:05
Static task
static1
Behavioral task
behavioral1
Sample
2024-08-25_ebac594e6703841d586fcf467c88554e_cryptolocker.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
2024-08-25_ebac594e6703841d586fcf467c88554e_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-08-25_ebac594e6703841d586fcf467c88554e_cryptolocker.exe
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Size
80KB
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MD5
ebac594e6703841d586fcf467c88554e
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SHA1
4080dcffcdcb5974938bed5ef78fdd30d116079a
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SHA256
9d91046e6498b5120c674204042d5a3acbdb0f0b32d74a6152dc31205ec987f4
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SHA512
896dbe2183356f10a55534b299c6aea6947fc071af033339352bc01205d22454f1d919c4701bac850e6712a006d6f093b1c8deaf842e141b647d341befec1b53
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SSDEEP
1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfIufk:vCjsIOtEvwDpj5H9YvQd2Q
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2488 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2608 2024-08-25_ebac594e6703841d586fcf467c88554e_cryptolocker.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-08-25_ebac594e6703841d586fcf467c88554e_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language misid.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2608 wrote to memory of 2488 2608 2024-08-25_ebac594e6703841d586fcf467c88554e_cryptolocker.exe 31 PID 2608 wrote to memory of 2488 2608 2024-08-25_ebac594e6703841d586fcf467c88554e_cryptolocker.exe 31 PID 2608 wrote to memory of 2488 2608 2024-08-25_ebac594e6703841d586fcf467c88554e_cryptolocker.exe 31 PID 2608 wrote to memory of 2488 2608 2024-08-25_ebac594e6703841d586fcf467c88554e_cryptolocker.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-08-25_ebac594e6703841d586fcf467c88554e_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-08-25_ebac594e6703841d586fcf467c88554e_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2608 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2488
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
80KB
MD5cfc575db5eb3c8794fcb3e5b5be95a62
SHA19bfae3b749b5377528c0b8c65e783d9a15817b2b
SHA2563a97cca6e0849ee0391129eef1f2626086a9d5771ab0d1a859437b88616b91c2
SHA512dd35549a245393837f0afb841ceb7258291e5099b184734feba10192e8c35f65b62a4dd390d4d441ec73d7b1a3a600ff4ca5d84d1ef01e08ed7d85281266a3b9