Analysis
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max time kernel
104s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
17-05-2023 17:31
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
-
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 3660 ntlhost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\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 13 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1668 wrote to memory of 3660 1668 conhost.exe 84 PID 1668 wrote to memory of 3660 1668 conhost.exe 84
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:1668 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe2⤵
- Executes dropped EXE
PID:3660
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
508.7MB
MD5802cd195e3453f5daf2b06ce1cdb4466
SHA17ef47c7f565248ad8f1ea7c7612dba47ab0a53f0
SHA25686bdea59d50b6d2ee1e633ae639712c0d80aa0eeaae1d67fdcd8c69ce7e123ef
SHA5128bc819e50b7e5b661a61a79d6fac63eb749db1ab196169a57a2d3ace8b3d5272ab6eb297ec0efdb929d6614d6fdad2e169e31e17a677ecf23e41acc0a181b6a3
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Filesize
503.6MB
MD5ba7e5220ead1ac69d76e83d8d3d4ebf0
SHA1013cb94a3079dbec3663f59b8190bc028ee0c07c
SHA256466d9f786ba79b61764e797a2016a3b8d03f97aa016fc9efaf1654df0ff9c83d
SHA51219192565a9267d371665f4464037a43ca767111e1fed24cec455b4166989c0d6d48a3b7cf0135f297d4e895bc0e1f640a3878f6b6db3df794284c36d65f4c7a9