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Analysis
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max time kernel
149s -
max time network
140s -
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, 18:42
Static task
static1
Behavioral task
behavioral1
Sample
8ee9f9bf18880afccd96ece9f1d4c384825b0de092b0ef6bd78d6d0276f67051.exe
Resource
win10v2004-20230220-en
General
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Target
8ee9f9bf18880afccd96ece9f1d4c384825b0de092b0ef6bd78d6d0276f67051.exe
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Size
1.9MB
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MD5
5419d85dbbb8c57fb337f1490b3d6c21
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SHA1
780a46377db73dc921d3a7795412b4405ea290bf
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SHA256
8ee9f9bf18880afccd96ece9f1d4c384825b0de092b0ef6bd78d6d0276f67051
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SHA512
e1d84bb5105f62fe53c2be15d6c5f1c64accb17960aa1aa9cf2be7fef5a2de695bd0d11bc1c4d5f6ede8923f59847a6f5c052091ecf93a3ff3d10747b38d33ab
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SSDEEP
49152:d/P9nuxcamIidEoNDD1eHi8xvrRoHvVHQx2HylA5:dn9nMcaZidz/1eHBxvrqvefA5
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 2988 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" 8ee9f9bf18880afccd96ece9f1d4c384825b0de092b0ef6bd78d6d0276f67051.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 43 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4268 wrote to memory of 2988 4268 8ee9f9bf18880afccd96ece9f1d4c384825b0de092b0ef6bd78d6d0276f67051.exe 91 PID 4268 wrote to memory of 2988 4268 8ee9f9bf18880afccd96ece9f1d4c384825b0de092b0ef6bd78d6d0276f67051.exe 91 PID 4268 wrote to memory of 2988 4268 8ee9f9bf18880afccd96ece9f1d4c384825b0de092b0ef6bd78d6d0276f67051.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\8ee9f9bf18880afccd96ece9f1d4c384825b0de092b0ef6bd78d6d0276f67051.exe"C:\Users\Admin\AppData\Local\Temp\8ee9f9bf18880afccd96ece9f1d4c384825b0de092b0ef6bd78d6d0276f67051.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4268 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe2⤵
- Executes dropped EXE
PID:2988
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
769.9MB
MD5d275f134a78a2d26c5c3535f77dac3ec
SHA1ae6feee7110a50eefbadb7fc5629444cfa4cc86c
SHA2569d0b7281984235297dc902b2a553f2157c8684ebf7ff8577d5f07c413fcf7acf
SHA5120052d53f3dc19877cdffe1460cf0e734d2bf7f386a852d8440131a509c83dd9ccb6b9cb44dab0bfe8a059f7779810bc4341ac4b74e1ca7a1c2a3efe19d6ee55f
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Filesize
769.9MB
MD5d275f134a78a2d26c5c3535f77dac3ec
SHA1ae6feee7110a50eefbadb7fc5629444cfa4cc86c
SHA2569d0b7281984235297dc902b2a553f2157c8684ebf7ff8577d5f07c413fcf7acf
SHA5120052d53f3dc19877cdffe1460cf0e734d2bf7f386a852d8440131a509c83dd9ccb6b9cb44dab0bfe8a059f7779810bc4341ac4b74e1ca7a1c2a3efe19d6ee55f