Analysis
- max time kernel
147s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
08/02/2023, 23:41
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
4 signatures
150 seconds
General
- Target file.exe
- Size 1.9MB
- Sample230208-3pd61aae6s
- SHA256 d994d8264d8511cb16ce67ed790a7896d0dbbe44d36eaffb43643ff34f3dc177
- MD5 82e352734e7c6089f9ebf583a17f9dc0
- SHA1 fcba99d9f1781a1f85bb820e46de5a2ad17b951a
- SHA512 5774e771b7a021ed3002aa0bac91432dbb22490794e46dae02bdb03a0491b32a234801a5dcb462f659f06e58524a07af1e01b4a27661cbdba41454bcecf5e62a
- SSDEEP 49152:n9W1se/+bpKCfH8godWycU7cwdTQepT/PvO:nHpKCEfNxgeprPv
- MD5 SHA1 SHA512 SSDEEP
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2056 ntlhost.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" file.exe - GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 51 Go-http-client/1.1 - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1128 wrote to memory of 2056 1128 file.exe 79 PID 1128 wrote to memory of 2056 1128 file.exe 79 PID 1128 wrote to memory of 2056 1128 file.exe 79
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1128 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe2⤵
- Executes dropped EXE
PID:2056
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
- Size 723.9MB
- SHA256 99af03708e730c20fa3ec67dc94a2da93ef5f40f6241ec6387df140af0c7c1c0
- MD5 8f999e5a7c27c4455146cd8b6b32c25c
- SHA1 45d670137791bbb78bc979fb3aaf30c48f348360
- SHA512 9bc0d21d25322c5a957bc75552af06219586cfbd26a10e3090e326e103acd067608f5f3a8f50246de8b4aab076d7c3995dde92e44bc0571795cb485e71a97942
- SSDEEP 12582912:wCLHa4iTRmdQuBYTeL0q+BYuHyPXz6cLvFI0v/lppKXAMN9a9svev0E:wCcsqm+2b6cZI0vBKDN9bveME
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
- Size 723.9MB
- SHA256 99af03708e730c20fa3ec67dc94a2da93ef5f40f6241ec6387df140af0c7c1c0
- MD5 8f999e5a7c27c4455146cd8b6b32c25c
- SHA1 45d670137791bbb78bc979fb3aaf30c48f348360
- SHA512 9bc0d21d25322c5a957bc75552af06219586cfbd26a10e3090e326e103acd067608f5f3a8f50246de8b4aab076d7c3995dde92e44bc0571795cb485e71a97942
- SSDEEP 12582912:wCLHa4iTRmdQuBYTeL0q+BYuHyPXz6cLvFI0v/lppKXAMN9a9svev0E:wCcsqm+2b6cZI0vBKDN9bveME
- MD5 SHA1 SHA512 SSDEEP