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Analysis
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max time kernel
149s -
max time network
155s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
05/10/2024, 03:39
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-05_7ad5577b7a5bba54e8456d071bae1c01_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-05_7ad5577b7a5bba54e8456d071bae1c01_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-10-05_7ad5577b7a5bba54e8456d071bae1c01_cryptolocker.exe
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Size
66KB
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MD5
7ad5577b7a5bba54e8456d071bae1c01
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SHA1
1927c76f6cb743d83254dd05d5f78458fb1e8ce9
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SHA256
8603283868f350f9e4ddd611d8936398cbb588cbadc9a11cd9acc42416acff42
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SHA512
7adf0ae73bbfb83550bb93d0753b667c14f2a41eb2260380100eda7b63a32aadea03477073823de5e7d279d385b1fe31a0e9fb49a52c04dedad66d82a92878a4
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SSDEEP
1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb61vSbgtsic:BbdDmjr+OtEvwDpjM8V
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 3020 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 1348 2024-10-05_7ad5577b7a5bba54e8456d071bae1c01_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 2024-10-05_7ad5577b7a5bba54e8456d071bae1c01_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 1348 wrote to memory of 3020 1348 2024-10-05_7ad5577b7a5bba54e8456d071bae1c01_cryptolocker.exe 30 PID 1348 wrote to memory of 3020 1348 2024-10-05_7ad5577b7a5bba54e8456d071bae1c01_cryptolocker.exe 30 PID 1348 wrote to memory of 3020 1348 2024-10-05_7ad5577b7a5bba54e8456d071bae1c01_cryptolocker.exe 30 PID 1348 wrote to memory of 3020 1348 2024-10-05_7ad5577b7a5bba54e8456d071bae1c01_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-05_7ad5577b7a5bba54e8456d071bae1c01_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-05_7ad5577b7a5bba54e8456d071bae1c01_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1348 -
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:3020
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
66KB
MD5a0886d6fb4e390b6b6d9ea02c5e8e35d
SHA172bca6c1747dfe67560b09b0dbdb40e02c1d98c4
SHA2566f78016696698ab63adfdd868eb7d62c465bfb598bf92144cb529cebaca6d5a7
SHA512517b49a7b5ed217ec6fb8e15b2cfb53c34de1e6dad8c15aa47e8f25bbe1d66d281d440f9fa9706a252392faef74fe2596d15e0efcaaa66c9eacf4106a7866588