Analysis
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max time kernel
150s -
max time network
154s -
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 4136 ntlhost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\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 33 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4220 wrote to memory of 4136 4220 conhost.exe 84 PID 4220 wrote to memory of 4136 4220 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:4220 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe2⤵
- Executes dropped EXE
PID:4136
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
306.5MB
MD52b47a5615f1ec6d1d43bbedcdde973c4
SHA1666abc23a1c90b45e74ea038eed915d7b9ea82f3
SHA2560fe23c776abbea24f5e80dd440256be420f45ce8669f953f5240a94261cbe9f8
SHA5123aa8d7b8b9fbb2b2536fac835a9f4599ecf9be1543ad8d3fca2220f582d52b261a1ace161ae741bd8a3cbf36ee21fc35f6fb3a8d13fee8cdb25a06d4bbe19940
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Filesize
308.1MB
MD557b8a2243ea8617c8e3723630050648d
SHA1b37b79f1e190caec27354e38277284feafcffdea
SHA256539c8dd7e2e159d9a277d6f5ed4dc5617db60a402abc316019d9310116af49a5
SHA5120b6aac36185a9511179d024fe8a1210fff8cb15d63dac8e765b94733c409e1bbb6e848a7bc8833a52bef4003f8d4146d3a15cca31ef3752472332af62b32f860