Analysis
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max time kernel
149s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
05-09-2024 12:12
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-05_97a9c454833ac2dbe098475fc133c6ff_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-09-05_97a9c454833ac2dbe098475fc133c6ff_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-05_97a9c454833ac2dbe098475fc133c6ff_cryptolocker.exe
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Size
72KB
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MD5
97a9c454833ac2dbe098475fc133c6ff
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SHA1
c0605477b370fedc33c0c5d4b44be3d2b80e0bcd
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SHA256
e1f4db4a00381d9582977e1c1f3910e1a9ecee70fc7fee9111da7d23a6bec1c8
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SHA512
d6d41d0505eef8d4c864207134b92f03f8462d230e449f13218c9f81d490ceb4042279a7f54c8ec1e14155b240856e77135ce73851c4aa6f5a2ab9d3c6568c31
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SSDEEP
1536:Dk/xY0sllyGQMOtEvwDpjwycDtKkQZQRKb61vSbgZ3QzNKUNZOn:DW60sllyWOtEvwDpjwF854
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2276 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 2752 2024-09-05_97a9c454833ac2dbe098475fc133c6ff_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_97a9c454833ac2dbe098475fc133c6ff_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 2752 wrote to memory of 2276 2752 2024-09-05_97a9c454833ac2dbe098475fc133c6ff_cryptolocker.exe 30 PID 2752 wrote to memory of 2276 2752 2024-09-05_97a9c454833ac2dbe098475fc133c6ff_cryptolocker.exe 30 PID 2752 wrote to memory of 2276 2752 2024-09-05_97a9c454833ac2dbe098475fc133c6ff_cryptolocker.exe 30 PID 2752 wrote to memory of 2276 2752 2024-09-05_97a9c454833ac2dbe098475fc133c6ff_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-09-05_97a9c454833ac2dbe098475fc133c6ff_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-05_97a9c454833ac2dbe098475fc133c6ff_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2752 -
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:2276
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
72KB
MD54fb87486d08c17564a9cd88a6edb0224
SHA1df1e95c3c7a0357c8ff20171d37cb174339be12b
SHA256da6126a342410e6fec9f8ba73ce72ecafe0daa1e183fb7acffcc7a869a3ff55b
SHA51288587563518eb5957dc5eca39a21fd980c37983d3ee962e2d2b017867faafcbe2a5d37e7dc1e2cf0cf2db4ff7af0067373b867bb5fe7151367ff635a68e02063