Analysis
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max time kernel
148s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
31-10-2024 08:22
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-31_12ab53fa439d221d586d8601f4e29484_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-31_12ab53fa439d221d586d8601f4e29484_cryptolocker.exe
Resource
win10v2004-20241007-en
General
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Target
2024-10-31_12ab53fa439d221d586d8601f4e29484_cryptolocker.exe
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Size
48KB
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MD5
12ab53fa439d221d586d8601f4e29484
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SHA1
a1f481a66f6f8cd57b8e63ad6bab57d08c8d0b98
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SHA256
ff0cb8be11506ea1b4ed497eec2be255d49fc9484c9c4255cf4b3f826b86f1ea
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SHA512
dd681281d14a78097ecb19dbca0db59eb4d52a940f3311660b31d0bf1af501a75e3063d1b0d6aa078bb41b5d9ed336e5a927aaf36f68a470cd3d7259ccb4520b
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SSDEEP
768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLaHaMMm2X3dXD:V6QFElP6n+gMQMOtEvwDpjyaHaXrD
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2816 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 2264 2024-10-31_12ab53fa439d221d586d8601f4e29484_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 asih.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-10-31_12ab53fa439d221d586d8601f4e29484_cryptolocker.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2264 wrote to memory of 2816 2264 2024-10-31_12ab53fa439d221d586d8601f4e29484_cryptolocker.exe 30 PID 2264 wrote to memory of 2816 2264 2024-10-31_12ab53fa439d221d586d8601f4e29484_cryptolocker.exe 30 PID 2264 wrote to memory of 2816 2264 2024-10-31_12ab53fa439d221d586d8601f4e29484_cryptolocker.exe 30 PID 2264 wrote to memory of 2816 2264 2024-10-31_12ab53fa439d221d586d8601f4e29484_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-31_12ab53fa439d221d586d8601f4e29484_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-31_12ab53fa439d221d586d8601f4e29484_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2264 -
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:2816
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
48KB
MD51b0405c269deb65197b2606f95b8878d
SHA16a10cfc349c24c537efe8a3c53e4a7e8969a2eae
SHA256db7373cf64b639eb24f18a6f0e06138767d25a8b8bb9317637837f7c6ae925f1
SHA5120559739e384e63f38051333f903f4999d02a4977ef7eac9afb1b7835e2ee0df80486ccdb396dc821dbc803db0897ada62b9c3ded0e3f42c1588adc870008f486