Analysis
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max time kernel
291s -
max time network
262s -
platform
windows10-1703_x64 -
resource
win10-20230703-en -
resource tags
arch:x64arch:x86image:win10-20230703-enlocale:en-usos:windows10-1703-x64system -
submitted
05-08-2023 03:55
Static task
static1
Behavioral task
behavioral1
Sample
346c907673f63b007141f403f6ae9b888103132b75a1ab056e5898917f8ab28c.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
346c907673f63b007141f403f6ae9b888103132b75a1ab056e5898917f8ab28c.exe
Resource
win10-20230703-en
General
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Target
346c907673f63b007141f403f6ae9b888103132b75a1ab056e5898917f8ab28c.exe
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Size
4.4MB
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MD5
f61e05f96863f1070d3614d2dd6cb4f7
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SHA1
43aea9068eed04aa2aa44e352e69a5ba9cecc6c7
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SHA256
346c907673f63b007141f403f6ae9b888103132b75a1ab056e5898917f8ab28c
-
SHA512
61477452f661cc0835f3806ee93f5c42057b57a4505dbb6f1f739935c875857f12fb5d48c385e4b8473a075dfd1684bdb695cd0ef3c376e9a6a808fde7df25dc
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SSDEEP
98304:ZBGu/ztzM5DBhXBXrkUULWWd7PrTgvvQ069Rmu/sKWBGJx:ZB3/V+DBhXVkUULbPcY35/sKWm
Malware Config
Extracted
laplas
http://45.159.189.33
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api_key
d1a05de376c0be1daa56dfb2715c8a0c5df8a111b8b31decc886df1e48db7c9c
Signatures
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Executes dropped EXE 1 IoCs
pid Process 3584 ntlhost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1766410430-2870137818-4067673745-1000\Software\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 346c907673f63b007141f403f6ae9b888103132b75a1ab056e5898917f8ab28c.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 1528 346c907673f63b007141f403f6ae9b888103132b75a1ab056e5898917f8ab28c.exe 3584 ntlhost.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 2 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1528 wrote to memory of 3584 1528 346c907673f63b007141f403f6ae9b888103132b75a1ab056e5898917f8ab28c.exe 70 PID 1528 wrote to memory of 3584 1528 346c907673f63b007141f403f6ae9b888103132b75a1ab056e5898917f8ab28c.exe 70
Processes
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C:\Users\Admin\AppData\Local\Temp\346c907673f63b007141f403f6ae9b888103132b75a1ab056e5898917f8ab28c.exe"C:\Users\Admin\AppData\Local\Temp\346c907673f63b007141f403f6ae9b888103132b75a1ab056e5898917f8ab28c.exe"1⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:1528 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe2⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:3584
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
769.4MB
MD56f389d18945476306782404ca50343ba
SHA1badded01b305295abee0df7fec55609c768588e4
SHA25621aafa4ef382b4379dbb3f506073b360f380119899af4b901afc41684ef995bb
SHA512b6a8d385c90cf2fab2bd93f8d7f9b5d80ba0808763c89706d5eefdfac5c847c8e25f32690c1d220bc5133f38000c9be8a64aeb2874986424b0cad81d184ab6ca
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Filesize
769.4MB
MD56f389d18945476306782404ca50343ba
SHA1badded01b305295abee0df7fec55609c768588e4
SHA25621aafa4ef382b4379dbb3f506073b360f380119899af4b901afc41684ef995bb
SHA512b6a8d385c90cf2fab2bd93f8d7f9b5d80ba0808763c89706d5eefdfac5c847c8e25f32690c1d220bc5133f38000c9be8a64aeb2874986424b0cad81d184ab6ca