Analysis
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max time kernel
148s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
07/08/2024, 08:47
Static task
static1
Behavioral task
behavioral1
Sample
2024-08-07_1af96f3df896e372d866bc3f870d4b5f_cryptolocker.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
2024-08-07_1af96f3df896e372d866bc3f870d4b5f_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-08-07_1af96f3df896e372d866bc3f870d4b5f_cryptolocker.exe
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Size
393KB
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MD5
1af96f3df896e372d866bc3f870d4b5f
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SHA1
0dd00f9f6624f37189aa023a8af36bc04c9add29
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SHA256
73dddf15d94254daa2a16d04424a537dde3b1107b5c1d906aa9573b0eb46c3da
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SHA512
2991105d6155f04775992995765ab89e79a0bf72b12449474fcc586f87fe4da952404ec4c92ed9dd55db3ae68d7e326fef8a6875f1caf052b9daa54674e5deb7
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SSDEEP
6144:nnOsaQgAOjvrZFODJjBz3j1jTqQy6v2GGnugOtihzXRr:nnOflT/ZFIjBz3xjTxynGUOUhXRr
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2800 hasfj.exe -
Loads dropped DLL 1 IoCs
pid Process 2732 2024-08-07_1af96f3df896e372d866bc3f870d4b5f_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 2024-08-07_1af96f3df896e372d866bc3f870d4b5f_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language hasfj.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2732 wrote to memory of 2800 2732 2024-08-07_1af96f3df896e372d866bc3f870d4b5f_cryptolocker.exe 30 PID 2732 wrote to memory of 2800 2732 2024-08-07_1af96f3df896e372d866bc3f870d4b5f_cryptolocker.exe 30 PID 2732 wrote to memory of 2800 2732 2024-08-07_1af96f3df896e372d866bc3f870d4b5f_cryptolocker.exe 30 PID 2732 wrote to memory of 2800 2732 2024-08-07_1af96f3df896e372d866bc3f870d4b5f_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-08-07_1af96f3df896e372d866bc3f870d4b5f_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-08-07_1af96f3df896e372d866bc3f870d4b5f_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2732 -
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2800
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
394KB
MD522dbc83b481d8be6cd3385199475c894
SHA17ab9cfda9e3b021d485a1656a4b25f884054bda2
SHA256d6042d761b3938e9d7882180aa6c4093d075f8438ea7c4b13b92480d12a8ebd6
SHA512e2b9fbdffdf59ea080ab49b1603b07e0c0d6be8162379223528d091ab8a4ac8eab253b782fff5536e671e3fae2e54c2b6f6e72764bad209251650c814c14dd2d