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Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
04/07/2024, 12:24
Behavioral task
behavioral1
Sample
2024-07-04_1080acfbd9a77995976c3c7e26f7580a_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-07-04_1080acfbd9a77995976c3c7e26f7580a_cryptolocker.exe
Resource
win10v2004-20240611-en
General
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Target
2024-07-04_1080acfbd9a77995976c3c7e26f7580a_cryptolocker.exe
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Size
59KB
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MD5
1080acfbd9a77995976c3c7e26f7580a
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SHA1
cb0907b3b33290054ebcd904c72917b6939d2ad2
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SHA256
78e4b61f09911b5a725cf599a6f9a0207ae5e111fadf0bbc8febe79e07c50d65
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SHA512
9eefebe64cf49eb1d9246aeac62847b22cfcfea2c2361d0564539b4fb92f0e8019ec9486b6efd26914ce1b9216a0479912522a0ed423a9683a7c90fb028ae91a
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5ax+Nz:z6QFElP6n+gKmddpMOtEvwDpj9aYas
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1300 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 3016 2024-07-04_1080acfbd9a77995976c3c7e26f7580a_cryptolocker.exe -
resource yara_rule behavioral1/memory/3016-0-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/files/0x000d00000001226b-11.dat upx behavioral1/memory/1300-16-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/3016-15-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/1300-26-0x0000000000500000-0x0000000000510000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 3016 wrote to memory of 1300 3016 2024-07-04_1080acfbd9a77995976c3c7e26f7580a_cryptolocker.exe 28 PID 3016 wrote to memory of 1300 3016 2024-07-04_1080acfbd9a77995976c3c7e26f7580a_cryptolocker.exe 28 PID 3016 wrote to memory of 1300 3016 2024-07-04_1080acfbd9a77995976c3c7e26f7580a_cryptolocker.exe 28 PID 3016 wrote to memory of 1300 3016 2024-07-04_1080acfbd9a77995976c3c7e26f7580a_cryptolocker.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-07-04_1080acfbd9a77995976c3c7e26f7580a_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-07-04_1080acfbd9a77995976c3c7e26f7580a_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3016 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:1300
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
59KB
MD5d9137128a0a1b1dd8f87845a8f2987ea
SHA126da9e3fbb85b090c47bf461ca54000d6564c6b9
SHA25689da8378487f2b9b604b8b43a919e0f1ebacdc1998b4e0ea099fc2a2b1983b03
SHA512f67e72ff440d3d58e62fe158432b39fbd817d5a1680e48b9c895edfc174a4deeec04b9013e9540997965d288afd3d09d5549116c5ffb2db7c54bd8aa039593b3