Analysis
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max time kernel
149s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
14-10-2024 03:48
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-14_b527c0928aa5a70f9d26767c91f90cf5_cryptolocker.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
2024-10-14_b527c0928aa5a70f9d26767c91f90cf5_cryptolocker.exe
Resource
win10v2004-20241007-en
General
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Target
2024-10-14_b527c0928aa5a70f9d26767c91f90cf5_cryptolocker.exe
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Size
49KB
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MD5
b527c0928aa5a70f9d26767c91f90cf5
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SHA1
f35f34f20c1f008b96de97c37b973fdd457726b8
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SHA256
c8f090729530813e942467ff04178c9dec99b83be9cbfddefb5d568128c7a478
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SHA512
fbb8359b8757f115307e12fe6221470e197afd7338759e700c021d7ff6e23fb817f8080013a45a785c292cab9247d8060bb61e6e0431ab473b5f539b06ca2dd0
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SSDEEP
768:P6LsoVEeegiZPvEhHSP+gp/QtOOtEvwDpjBBMLZdzuqpXsiE8Wq/Dpkcs:P6Q0ElP6G+gJQMOtEvwDpjB8WMlfs
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2156 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 2736 2024-10-14_b527c0928aa5a70f9d26767c91f90cf5_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 2024-10-14_b527c0928aa5a70f9d26767c91f90cf5_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language asih.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2736 wrote to memory of 2156 2736 2024-10-14_b527c0928aa5a70f9d26767c91f90cf5_cryptolocker.exe 30 PID 2736 wrote to memory of 2156 2736 2024-10-14_b527c0928aa5a70f9d26767c91f90cf5_cryptolocker.exe 30 PID 2736 wrote to memory of 2156 2736 2024-10-14_b527c0928aa5a70f9d26767c91f90cf5_cryptolocker.exe 30 PID 2736 wrote to memory of 2156 2736 2024-10-14_b527c0928aa5a70f9d26767c91f90cf5_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-14_b527c0928aa5a70f9d26767c91f90cf5_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-14_b527c0928aa5a70f9d26767c91f90cf5_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2736 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2156
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
49KB
MD5ccae43631870738d53756486193c85bb
SHA12facb725ac68739c6c95442bb06e6c454310071d
SHA256196d6567c1c3ce4faedcbfa549cd19e6a91c43d9dcde2a50dc605dfb519da79c
SHA512a5768aac6e7aa39114a75e7a49a7e41d9141c670fccdf896368a9cea741dd8352214082fbd8f2cd47d74949751ca24b78ee56b560fc024a8ab708f6441d2b4a9