Analysis
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max time kernel
151s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
21/03/2023, 14:38
Static task
static1
Behavioral task
behavioral1
Sample
9fd8f6b9da8e8e845e6df797bf107adaae3a5cb45ce45819c18fdbfbaf3f76a5.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
9fd8f6b9da8e8e845e6df797bf107adaae3a5cb45ce45819c18fdbfbaf3f76a5.exe
Resource
win10v2004-20230220-en
General
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Target
9fd8f6b9da8e8e845e6df797bf107adaae3a5cb45ce45819c18fdbfbaf3f76a5.exe
-
Size
1.8MB
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MD5
94ce1cdbccb31d0993990d8a5fbd34d8
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SHA1
392bb3736fe7b5e45f808f69097ae422ebc5c018
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SHA256
9fd8f6b9da8e8e845e6df797bf107adaae3a5cb45ce45819c18fdbfbaf3f76a5
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SHA512
2525b7ac471490b61ab425c81c85956de1ff8d2a97787e95341bbd0f2047521183533495005eeefc427a30ec979e36421533696ecb7dadade57c13881294d7ab
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SSDEEP
49152:rzmvpQccgreskIaAUgrqgHkrWIF994X5IBYr:rzOJtqgHkVoIB
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 4328 ntlhost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 9fd8f6b9da8e8e845e6df797bf107adaae3a5cb45ce45819c18fdbfbaf3f76a5.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 31 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1920 wrote to memory of 4328 1920 9fd8f6b9da8e8e845e6df797bf107adaae3a5cb45ce45819c18fdbfbaf3f76a5.exe 86 PID 1920 wrote to memory of 4328 1920 9fd8f6b9da8e8e845e6df797bf107adaae3a5cb45ce45819c18fdbfbaf3f76a5.exe 86 PID 1920 wrote to memory of 4328 1920 9fd8f6b9da8e8e845e6df797bf107adaae3a5cb45ce45819c18fdbfbaf3f76a5.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\9fd8f6b9da8e8e845e6df797bf107adaae3a5cb45ce45819c18fdbfbaf3f76a5.exe"C:\Users\Admin\AppData\Local\Temp\9fd8f6b9da8e8e845e6df797bf107adaae3a5cb45ce45819c18fdbfbaf3f76a5.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1920 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe2⤵
- Executes dropped EXE
PID:4328
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
102.7MB
MD579452d948d6621febd3b07187149952b
SHA1c76107a9d7083c37dad1145c109bdcbcd8d6e404
SHA25658fa842af24b3ab4d1065859b6258753dc2846bb0bb85505332800d199bd2dd6
SHA5125df0beeaa45720a5d9bb9768a9b857ce8a08c85221eb4c88146d55747641b91c7397ca9715f6dc003eb754f1de50294413e111f066081e633a2cdbc66bd93e54
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Filesize
105.3MB
MD5f5a3910375f667f81e8196309ae2226a
SHA1697c8a1f494bcfdfd906f746bee10aea37698a15
SHA25691e58ac145327f69c85f647817bce017dc4d1c809b6a177ba4dd1afaf266968c
SHA51269f657a283a6b75610e778fc03dc0b04f6ed03301a5f5fc9265d1c599167e03c41952ef9ca8a05bbcfc54bb5d398b2cc5346c1d2f4e1bddf136f750453149708