Analysis
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max time kernel
121s -
max time network
140s -
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 17:27
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
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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 3712 ntlhost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\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 23 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4644 wrote to memory of 3712 4644 conhost.exe 84 PID 4644 wrote to memory of 3712 4644 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:4644 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe2⤵
- Executes dropped EXE
PID:3712
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
821.0MB
MD5c23c2fed28d2ae8c87a1f95015b7efed
SHA1895f9daa2dc2e13ecbf5f839c362f05e0afaa52f
SHA256642478c572aa45987828509deeda4ce87c54847ab4bdab5ddfee092bd1e50797
SHA512aff79cd69aaf9964228fe2ce2ab93e594d8571f43e3f3aae0cd61a72c05d99596888f3aae1d0b895314f617fddb299ab627223df7a02f90db1af7ce1f106ef92
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Filesize
821.0MB
MD5c23c2fed28d2ae8c87a1f95015b7efed
SHA1895f9daa2dc2e13ecbf5f839c362f05e0afaa52f
SHA256642478c572aa45987828509deeda4ce87c54847ab4bdab5ddfee092bd1e50797
SHA512aff79cd69aaf9964228fe2ce2ab93e594d8571f43e3f3aae0cd61a72c05d99596888f3aae1d0b895314f617fddb299ab627223df7a02f90db1af7ce1f106ef92