Analysis
- max time kernel
99s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
08/02/2023, 01:15
Static task
static1
Behavioral task
behavioral1
Sample
be30ec7ab19bfedb892fde3afb577603.exe
Resource
win7-20220812-en
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
be30ec7ab19bfedb892fde3afb577603.exe
Resource
win10v2004-20221111-en
4 signatures
150 seconds
General
- Target be30ec7ab19bfedb892fde3afb577603.exe
- Size 1.8MB
- Sample230208-bl84esga3t
- SHA256 b398065ab48ca2a1900c2192c2883330b414f5f74fa04ecf2b6ae99698b8e63d
- MD5 be30ec7ab19bfedb892fde3afb577603
- SHA1 e52f9dea4400166c4f489a5626df0008a6eed818
- SHA512 227460bb3ee54c526a1a99519d7d461db2bd513e291fa6aed26d3cbdb81b79816015a05b1cdd06598dc893267a26311a5646f7c077625c574134d4d856e72afe
- SSDEEP 49152:FuXEnBSze5817TMBYpenuq5oncZS6K6h8DCM:MEnIwicZS7TC
- MD5 SHA1 SHA512 SSDEEP
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2360 ntlhost.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" be30ec7ab19bfedb892fde3afb577603.exe - GoLang User-Agent 2 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 22 Go-http-client/1.1 HTTP User-Agent header 43 Go-http-client/1.1 - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4332 wrote to memory of 2360 4332 be30ec7ab19bfedb892fde3afb577603.exe 81 PID 4332 wrote to memory of 2360 4332 be30ec7ab19bfedb892fde3afb577603.exe 81 PID 4332 wrote to memory of 2360 4332 be30ec7ab19bfedb892fde3afb577603.exe 81
Processes
-
C:\Users\Admin\AppData\Local\Temp\be30ec7ab19bfedb892fde3afb577603.exe"C:\Users\Admin\AppData\Local\Temp\be30ec7ab19bfedb892fde3afb577603.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4332 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe2⤵
- Executes dropped EXE
PID:2360
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
- Size 821.8MB
- SHA256 180f9598835544b87213c10a0f6df4d856e76c5348559961ea9814be9b18f62e
- MD5 366589ae6830074185c82e6eaaaabe33
- SHA1 a3570ec1b34388b8ca7ea09e061057effae6a7e3
- SHA512 ce73f60c77156f7c6844adcc10f4a4ae189de67b379386bc90c81153d5c6ba890da68acb9572ef6a52d81600d5ecd251a94eb0f7118f84e69a47d46e8af0bb90
- SSDEEP 25165824:xL9jLSt8yrW4nzcOyKz5AF5SJL4WlqihiGLomoy:xL9jGt8yrW4n4Oyy5AFk0SvdLoO
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
- Size 821.8MB
- SHA256 180f9598835544b87213c10a0f6df4d856e76c5348559961ea9814be9b18f62e
- MD5 366589ae6830074185c82e6eaaaabe33
- SHA1 a3570ec1b34388b8ca7ea09e061057effae6a7e3
- SHA512 ce73f60c77156f7c6844adcc10f4a4ae189de67b379386bc90c81153d5c6ba890da68acb9572ef6a52d81600d5ecd251a94eb0f7118f84e69a47d46e8af0bb90
- SSDEEP 25165824:xL9jLSt8yrW4nzcOyKz5AF5SJL4WlqihiGLomoy:xL9jGt8yrW4n4Oyy5AFk0SvdLoO
- MD5 SHA1 SHA512 SSDEEP