Analysis
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max time kernel
147s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
20-04-2023 12:45
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 4632 ntlhost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\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 4192 wrote to memory of 4632 4192 conhost.exe 87 PID 4192 wrote to memory of 4632 4192 conhost.exe 87
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:4192 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe2⤵
- Executes dropped EXE
PID:4632
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
739.0MB
MD5b57c786d3e534c446a25d76b719c7b0d
SHA17cb7dd50e751074c94957c8b262a62d5d4428f3a
SHA256b20d552f6935c32fabbbb59f8ab5a3cda46300b23a3f1354126cfc4f7d871a9e
SHA5124dcbae2f09b5309c1f56e6703ce0d899e5420fd02e27dfef0cfb8ba78385624b1eed2e66840accb5cd763e9e1c0210c9dfaed70dc88cc8b7ec0e545c742da921
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Filesize
739.0MB
MD5b57c786d3e534c446a25d76b719c7b0d
SHA17cb7dd50e751074c94957c8b262a62d5d4428f3a
SHA256b20d552f6935c32fabbbb59f8ab5a3cda46300b23a3f1354126cfc4f7d871a9e
SHA5124dcbae2f09b5309c1f56e6703ce0d899e5420fd02e27dfef0cfb8ba78385624b1eed2e66840accb5cd763e9e1c0210c9dfaed70dc88cc8b7ec0e545c742da921