Analysis
-
max time kernel
134s -
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
25-05-2023 15:44
Static task
static1
Behavioral task
behavioral1
Sample
conhost.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
conhost.exe
Resource
win10v2004-20230220-en
General
-
Target
conhost.exe
-
Size
4.0MB
-
MD5
feccda803ece2e7a3b7e9798714ad47e
-
SHA1
e97182adccf8a7692e6ad2614b0fb7fd3898a1a2
-
SHA256
14529dca41abfea65abb51c84ec34ba0a951581586f98cef60213ae949a78320
-
SHA512
dec5fd4d184772ca590333b2382706c6e5a7b5050f9ae98af813192e06500424870e8332a1406c763e5cc6d266ddd7e09280b6bf118392fa6edea6fab5843287
-
SSDEEP
49152:jEjwvlIKv05z+UERnIcYmWjc3Cdh+5E9UFiqeb0/B1:RlhWzZ6hjEciqe
Malware Config
Extracted
laplas
http://185.223.93.251
-
api_key
f0cd0c3938331a84425c6e784f577ccd87bb667cfdb44cc24f97f402ac5e15b7
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 3712 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 34 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4112 wrote to memory of 3712 4112 conhost.exe 83 PID 4112 wrote to memory of 3712 4112 conhost.exe 83
Processes
-
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:4112 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe2⤵
- Executes dropped EXE
PID:3712
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
740.0MB
MD58e0279fc1be79352eda431d5628026f7
SHA1b63694ad9852198130533f54b74bdd589aad9f08
SHA2565309d8f482547e2cffb765d1a0315cd9c0c43708a7b3c9dfd0655a495b4abb7d
SHA51215e8a8ff973a5ca4e60f987e9cc6d78c31f06a51dc23abdf8251412627dc9921f704f422db862ff5f1d23bea290df9718437d8d1b75604ff87db4a35df89fc61
-
Filesize
740.0MB
MD58e0279fc1be79352eda431d5628026f7
SHA1b63694ad9852198130533f54b74bdd589aad9f08
SHA2565309d8f482547e2cffb765d1a0315cd9c0c43708a7b3c9dfd0655a495b4abb7d
SHA51215e8a8ff973a5ca4e60f987e9cc6d78c31f06a51dc23abdf8251412627dc9921f704f422db862ff5f1d23bea290df9718437d8d1b75604ff87db4a35df89fc61