Analysis
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max time kernel
148s -
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
20-03-2023 11:57
Static task
static1
Behavioral task
behavioral1
Sample
setup.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
setup.exe
Resource
win10v2004-20230220-en
General
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Target
setup.exe
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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 1500 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" setup.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 3260 wrote to memory of 1500 3260 setup.exe 85 PID 3260 wrote to memory of 1500 3260 setup.exe 85 PID 3260 wrote to memory of 1500 3260 setup.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\setup.exe"C:\Users\Admin\AppData\Local\Temp\setup.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3260 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe2⤵
- Executes dropped EXE
PID:1500
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
748.8MB
MD5ee75f274dea02ea10bcd22cb71b28e0b
SHA128d30956601c81802945d52792a9147c81ec5320
SHA2564b1215e85992b75a164b3000a9633b72b012e415cfe2b0094ef206e99595bd61
SHA5127b48aa374c3b9d7f17ab43e79896c06abea64fff47017806e6289b62a326a8ce0f4e839692dc1ae785cba3c69695c40484a55ed15157f10e59b72a829416e9ed
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Filesize
748.8MB
MD5ee75f274dea02ea10bcd22cb71b28e0b
SHA128d30956601c81802945d52792a9147c81ec5320
SHA2564b1215e85992b75a164b3000a9633b72b012e415cfe2b0094ef206e99595bd61
SHA5127b48aa374c3b9d7f17ab43e79896c06abea64fff47017806e6289b62a326a8ce0f4e839692dc1ae785cba3c69695c40484a55ed15157f10e59b72a829416e9ed