Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
05-06-2023 12:10
Static task
static1
Behavioral task
behavioral1
Sample
83a7f9488aa65bdf7d74aac8ce9ce3468725a40a26bc2c560758473403f99616.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
83a7f9488aa65bdf7d74aac8ce9ce3468725a40a26bc2c560758473403f99616.exe
Resource
win10v2004-20230220-en
General
-
Target
83a7f9488aa65bdf7d74aac8ce9ce3468725a40a26bc2c560758473403f99616.exe
-
Size
1.8MB
-
MD5
a00e64fb477f056d15dcbceb861f8439
-
SHA1
cc43e797973ac8dccec3f28c7090942804f5a271
-
SHA256
83a7f9488aa65bdf7d74aac8ce9ce3468725a40a26bc2c560758473403f99616
-
SHA512
588f594c915df09aaad467a31648852f5279afef0706243560266dc3adc591d18860f052bb557a3da62c6b425dde68d45162f161da75b30ba6fdfcabc7d0c2fb
-
SSDEEP
49152:aTDjb1Kvdt+v7Bg98vR7NWvT+V6G/XW/yjhw4:aTPbsFtJ857NWL+8G/8yFh
Malware Config
Extracted
laplas
http://45.159.189.105
-
api_key
0be23a6bec914a7d28f1aae995f036fdba93224093ddb48d02fe43e814862f4e
Extracted
laplas
http://45.159.189.105
-
api_key
0be23a6bec914a7d28f1aae995f036fdba93224093ddb48d02fe43e814862f4e
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 4280 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" 83a7f9488aa65bdf7d74aac8ce9ce3468725a40a26bc2c560758473403f99616.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 35 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4112 wrote to memory of 4280 4112 83a7f9488aa65bdf7d74aac8ce9ce3468725a40a26bc2c560758473403f99616.exe 79 PID 4112 wrote to memory of 4280 4112 83a7f9488aa65bdf7d74aac8ce9ce3468725a40a26bc2c560758473403f99616.exe 79 PID 4112 wrote to memory of 4280 4112 83a7f9488aa65bdf7d74aac8ce9ce3468725a40a26bc2c560758473403f99616.exe 79
Processes
-
C:\Users\Admin\AppData\Local\Temp\83a7f9488aa65bdf7d74aac8ce9ce3468725a40a26bc2c560758473403f99616.exe"C:\Users\Admin\AppData\Local\Temp\83a7f9488aa65bdf7d74aac8ce9ce3468725a40a26bc2c560758473403f99616.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4112 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe2⤵
- Executes dropped EXE
PID:4280
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
736.8MB
MD5d376cdb4bf3a387572c4c2f9cee43b00
SHA1538ffc7b0ef46f8eb77fccb510d984f9247de97c
SHA2568aefbd7946989a87a8f81ea11b09ee227ce4878705146d1597ec3ab3745adc3f
SHA5125805447feea40667690376ff9b5ec5567a092816316b94bd696b136cf0185711681fb49a9974b88048e6c9418d449370d5dc0bfe416cb367acf2981ecfdbe13e
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Filesize
736.8MB
MD5d376cdb4bf3a387572c4c2f9cee43b00
SHA1538ffc7b0ef46f8eb77fccb510d984f9247de97c
SHA2568aefbd7946989a87a8f81ea11b09ee227ce4878705146d1597ec3ab3745adc3f
SHA5125805447feea40667690376ff9b5ec5567a092816316b94bd696b136cf0185711681fb49a9974b88048e6c9418d449370d5dc0bfe416cb367acf2981ecfdbe13e