Analysis
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max time kernel
149s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
05-09-2024 12:14
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-05_b5b155bc71370cdf2340f4644e68e41c_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-09-05_b5b155bc71370cdf2340f4644e68e41c_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-05_b5b155bc71370cdf2340f4644e68e41c_cryptolocker.exe
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Size
48KB
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MD5
b5b155bc71370cdf2340f4644e68e41c
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SHA1
ad1eb2ac404cd65bf9ffacdd17587c32791215cf
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SHA256
018ecfe6233ac6ffc603948af9ac0c94fd084c1a152b37b84745d9f33d010867
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SHA512
bab0af6cf35bd6ad06abee896fe3cf7961e3bd8602d27fd57d8b322419758be37068d81187b26138eb6cf81ee41b75923a0cc7e2533bbbeb4d20880466d70a4c
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SSDEEP
768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLaHaMMm2X3dXL:V6QFElP6n+gMQMOtEvwDpjyaHaXrL
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2344 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 2300 2024-09-05_b5b155bc71370cdf2340f4644e68e41c_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 2024-09-05_b5b155bc71370cdf2340f4644e68e41c_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 2300 wrote to memory of 2344 2300 2024-09-05_b5b155bc71370cdf2340f4644e68e41c_cryptolocker.exe 30 PID 2300 wrote to memory of 2344 2300 2024-09-05_b5b155bc71370cdf2340f4644e68e41c_cryptolocker.exe 30 PID 2300 wrote to memory of 2344 2300 2024-09-05_b5b155bc71370cdf2340f4644e68e41c_cryptolocker.exe 30 PID 2300 wrote to memory of 2344 2300 2024-09-05_b5b155bc71370cdf2340f4644e68e41c_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-09-05_b5b155bc71370cdf2340f4644e68e41c_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-05_b5b155bc71370cdf2340f4644e68e41c_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2300 -
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:2344
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
48KB
MD5dfcd37c488d63e996bd02c4178731f74
SHA1edef287e1d10d9c82080aa1e3ebc688fb2d4bb93
SHA256a12871edc7eabf58162731cf6571b669d11977825765e0ab0d7487b3d894e20b
SHA51296683a5d8ca4013791d51099dcd676a45d22e775183b59120baabc299d1bca2a9739e545236ad918c7ae888f1b1426c4f31538da0cee21bbb8e0f93a5e8526d5