Analysis
-
max time kernel
133s -
max time network
150s -
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 15:40
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 4716 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 11 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 324 wrote to memory of 4716 324 conhost.exe 82 PID 324 wrote to memory of 4716 324 conhost.exe 82
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:324 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe2⤵
- Executes dropped EXE
PID:4716
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
714.2MB
MD5799322f4ad9fe089c8e97ff9b147b523
SHA1395375508e3eca2589e306159b49d106d1352785
SHA25664a3ddc9f09532f0cb7923d52261e8de6624926067e6c2a8fc01dbea922c3c63
SHA512ac9787c2940b32c8d2a4915036f113af9f497fb7d3eeea7abf9a7793a154200bca61ed89b0585723828d52e4eb53dd5ac5781bc2664d25cd05407e3caa67c85c
-
Filesize
713.4MB
MD543c4c9a180f4a9d411d139058fe49e57
SHA1f30e02ef0bd7743804ad1df3c75505b28d961452
SHA256b95f1f14f09a2ef1a63ba57908bb7d5b789e78ab35ea9956b38b6e126e8b68d1
SHA512b05645484d086f591a48b66806e275ecf835329adb3b35fb8645cc83675d805cb84e9216b801b582622fa86e4057fc6869c85b26aaf89afc4c57050c1631fcc1