Analysis
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max time kernel
101s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
11-05-2023 13:55
Static task
static1
Behavioral task
behavioral1
Sample
conhost.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
conhost.exe
Resource
win10v2004-20230220-en
General
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Target
conhost.exe
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Size
4.0MB
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MD5
feccda803ece2e7a3b7e9798714ad47e
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SHA1
e97182adccf8a7692e6ad2614b0fb7fd3898a1a2
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SHA256
14529dca41abfea65abb51c84ec34ba0a951581586f98cef60213ae949a78320
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SHA512
dec5fd4d184772ca590333b2382706c6e5a7b5050f9ae98af813192e06500424870e8332a1406c763e5cc6d266ddd7e09280b6bf118392fa6edea6fab5843287
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SSDEEP
49152:jEjwvlIKv05z+UERnIcYmWjc3Cdh+5E9UFiqeb0/B1:RlhWzZ6hjEciqe
Malware Config
Extracted
laplas
http://185.223.93.251
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api_key
f0cd0c3938331a84425c6e784f577ccd87bb667cfdb44cc24f97f402ac5e15b7
Signatures
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Executes dropped EXE 1 IoCs
pid Process 3452 ntlhost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" conhost.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 1 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 5072 wrote to memory of 3452 5072 conhost.exe 81 PID 5072 wrote to memory of 3452 5072 conhost.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\conhost.exe"C:\Users\Admin\AppData\Local\Temp\conhost.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:5072 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe2⤵
- Executes dropped EXE
PID:3452
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
840.0MB
MD58a0561114409afbbc63c04d1b512fb1a
SHA1faeb2dc26d1b230c033dbda1c42812dc560c54bf
SHA256cc3424401d7f9a1a887fb0f4e328318fd89baa3123b36e666d1b60916bac7f79
SHA512fe508eeb9046051538a37a56edb4cd8efaccf91670f615b420e22a91df39c54e1cf6f60c3be898f51c500cb6a01812443bc53a137fe4a17d7816270a762f8aa0
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Filesize
840.0MB
MD58a0561114409afbbc63c04d1b512fb1a
SHA1faeb2dc26d1b230c033dbda1c42812dc560c54bf
SHA256cc3424401d7f9a1a887fb0f4e328318fd89baa3123b36e666d1b60916bac7f79
SHA512fe508eeb9046051538a37a56edb4cd8efaccf91670f615b420e22a91df39c54e1cf6f60c3be898f51c500cb6a01812443bc53a137fe4a17d7816270a762f8aa0