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Analysis
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max time kernel
149s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
07/09/2024, 08:23
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-07_780a356aeb532188c460d4af5b1446c5_cryptolocker.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
2024-09-07_780a356aeb532188c460d4af5b1446c5_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-07_780a356aeb532188c460d4af5b1446c5_cryptolocker.exe
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Size
49KB
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MD5
780a356aeb532188c460d4af5b1446c5
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SHA1
99b16dead669ed02e5ec94798bce615876047abc
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SHA256
ff444abe2ef4783528da9633644b2877b3dc5f394023fee698006eb168b5f6f3
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SHA512
80a321711387c0bbffb75205ba745db2b663b54c4c2a21588bfa2e0bd3d244419df8998d2925d0c52248f74764c2532b174634edb22912b8d7401080caae66f6
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SSDEEP
768:bIDOw9UiaCHfjnE0Sf88AvvP1oghYvm9/6D8jnPx9UnuDLlD+w/:bIDOw9a0Dwo3P1ojvUSD4PInyD1
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2792 lossy.exe -
Loads dropped DLL 1 IoCs
pid Process 2120 2024-09-07_780a356aeb532188c460d4af5b1446c5_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 2024-09-07_780a356aeb532188c460d4af5b1446c5_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language lossy.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2120 wrote to memory of 2792 2120 2024-09-07_780a356aeb532188c460d4af5b1446c5_cryptolocker.exe 30 PID 2120 wrote to memory of 2792 2120 2024-09-07_780a356aeb532188c460d4af5b1446c5_cryptolocker.exe 30 PID 2120 wrote to memory of 2792 2120 2024-09-07_780a356aeb532188c460d4af5b1446c5_cryptolocker.exe 30 PID 2120 wrote to memory of 2792 2120 2024-09-07_780a356aeb532188c460d4af5b1446c5_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-09-07_780a356aeb532188c460d4af5b1446c5_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-07_780a356aeb532188c460d4af5b1446c5_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2120 -
C:\Users\Admin\AppData\Local\Temp\lossy.exe"C:\Users\Admin\AppData\Local\Temp\lossy.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2792
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
49KB
MD51955804f24e60f7fdf1b157ae7ae12a6
SHA13c4de09d57d64ca6c5e790c5c0ea3c44a1fe53c0
SHA25683f40a8c4bbfe08d5e0651428c3327ca216decc482a4a3797b8aeed64faf28ad
SHA5122d7fedd22f2799d011cb9659eeb632295c0513aa3ad00ef90b1bad3aa49fe156804b471984aa0d38e03f3984d71ce082fd42014f0010b018525155679398ba6b