Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
19-03-2023 09:20
Static task
static1
Behavioral task
behavioral1
Sample
cc1abecc9c66a7c591b1b4feacfbcc4f46ded09ba2141845cdb860108f0e1876.exe
Resource
win10v2004-20230220-en
General
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Target
cc1abecc9c66a7c591b1b4feacfbcc4f46ded09ba2141845cdb860108f0e1876.exe
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Size
1.9MB
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MD5
a3d960222dfdb92fe84e8b9d257da4db
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SHA1
90737e7847d878071d8f9ec630f611636af12c53
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SHA256
cc1abecc9c66a7c591b1b4feacfbcc4f46ded09ba2141845cdb860108f0e1876
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SHA512
954b7c8e39e47a3c2431e57c2e7c4c2da305f7d302c8b098cfa6784840553aa4113fc417e40ca72adc16df74c2549761297a74c44bcbf51c5cc9ead28536b609
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SSDEEP
49152:ODXxbbFNftdUdL8YdImjF/BPG5ZPKz2DSqP4bAt:OLx/FNftdUZ8YIKFhG5ZPc2GXE
Malware Config
Extracted
laplas
http://45.87.154.105
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api_key
1c630872d348a77d04368d542fde4663bc2bcb96f1b909554db3472c08df2767
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1068 ntlhost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" cc1abecc9c66a7c591b1b4feacfbcc4f46ded09ba2141845cdb860108f0e1876.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 27 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3924 wrote to memory of 1068 3924 cc1abecc9c66a7c591b1b4feacfbcc4f46ded09ba2141845cdb860108f0e1876.exe 83 PID 3924 wrote to memory of 1068 3924 cc1abecc9c66a7c591b1b4feacfbcc4f46ded09ba2141845cdb860108f0e1876.exe 83 PID 3924 wrote to memory of 1068 3924 cc1abecc9c66a7c591b1b4feacfbcc4f46ded09ba2141845cdb860108f0e1876.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\cc1abecc9c66a7c591b1b4feacfbcc4f46ded09ba2141845cdb860108f0e1876.exe"C:\Users\Admin\AppData\Local\Temp\cc1abecc9c66a7c591b1b4feacfbcc4f46ded09ba2141845cdb860108f0e1876.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3924 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe2⤵
- Executes dropped EXE
PID:1068
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
811.9MB
MD599de03bb15fe2bfcb090bccdcb3e0e4b
SHA1527c19a789f529499d57e31059964794f9e43921
SHA256e6d59f67f02edd72e38d4611e1ec95709885aaff907194012edc25f81cf68d66
SHA5121138bb61c34ffbbdc4e3d8163e41d721170ac9bb06107adebb6c58f690243a7c1d59097f7962bb9f115e4e742a39ee52756586a9074cf86c86613a59bd6e8355
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Filesize
811.9MB
MD599de03bb15fe2bfcb090bccdcb3e0e4b
SHA1527c19a789f529499d57e31059964794f9e43921
SHA256e6d59f67f02edd72e38d4611e1ec95709885aaff907194012edc25f81cf68d66
SHA5121138bb61c34ffbbdc4e3d8163e41d721170ac9bb06107adebb6c58f690243a7c1d59097f7962bb9f115e4e742a39ee52756586a9074cf86c86613a59bd6e8355