Analysis
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max time kernel
150s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
09/09/2024, 20:26
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-09_6bf35e0b4fa4d1d33e6fe5549d8cd7ab_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-09-09_6bf35e0b4fa4d1d33e6fe5549d8cd7ab_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-09_6bf35e0b4fa4d1d33e6fe5549d8cd7ab_cryptolocker.exe
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Size
42KB
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MD5
6bf35e0b4fa4d1d33e6fe5549d8cd7ab
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SHA1
b34774fc16ef8ec9adb4ea3687b80176c80f200a
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SHA256
8bdfa28c05cc70902255a8b7376567e569c87fca08fac9a09cfb10941999c448
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SHA512
ff005c207bb87d621d7e318763b38f740e4bc584e579a133b45c0ca99c5efb10652581efea62f786d3d23236dab6160e0200985c5b8ba9eb6805e9599baf9a34
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SSDEEP
768:bA74zYcgT/Ekd0ryfjPIunqpeNswmT3HwnCk:bA6YcA/X6G0W143QL
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2804 hasfj.exe -
Loads dropped DLL 1 IoCs
pid Process 3020 2024-09-09_6bf35e0b4fa4d1d33e6fe5549d8cd7ab_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 2024-09-09_6bf35e0b4fa4d1d33e6fe5549d8cd7ab_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 3020 wrote to memory of 2804 3020 2024-09-09_6bf35e0b4fa4d1d33e6fe5549d8cd7ab_cryptolocker.exe 29 PID 3020 wrote to memory of 2804 3020 2024-09-09_6bf35e0b4fa4d1d33e6fe5549d8cd7ab_cryptolocker.exe 29 PID 3020 wrote to memory of 2804 3020 2024-09-09_6bf35e0b4fa4d1d33e6fe5549d8cd7ab_cryptolocker.exe 29 PID 3020 wrote to memory of 2804 3020 2024-09-09_6bf35e0b4fa4d1d33e6fe5549d8cd7ab_cryptolocker.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-09-09_6bf35e0b4fa4d1d33e6fe5549d8cd7ab_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-09_6bf35e0b4fa4d1d33e6fe5549d8cd7ab_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3020 -
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:2804
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
42KB
MD5c5b7a10cfd7a8e75fd7757313393f041
SHA1aa856010beb2f95d6e85ae9e76c70b63861836aa
SHA256e2bb87dc8803a5dc1da10c6f7d759a9d79fdd1b792d7e0c2edf5ff984bd9a6d2
SHA512dfd6d721475bf9e27cb99e1850b6c2a4bda9aefae63cfb6e4fa8c1218dd3eea6e24d13991c5542b058807dcae7042640aec68a17e09c84b61f4bd0abf5b02975