Analysis
- max time kernel
143s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
13/03/2023, 15:33
Static task
static1
Behavioral task
behavioral1
Sample
install.exe
Resource
win7-20230220-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
install.exe
Resource
win10v2004-20230220-en
5 signatures
150 seconds
General
- Target install.exe
- Size 1.9MB
- Sample230313-sy682aba36
- SHA256 b5eade1204ad4fb6243fecccbee72abd2bcfeb9166596d9c9996e0000feb25c1
- MD5 66bf3c102b942dcf11ef6fde325b0087
- SHA1 a896064cf042f6659fc04b0aae3f71306c9b060a
- SHA512 2774ca3d7f042de774d2f40972fc429cf8349366aabdd0a7c0a0c0ffbf70208d90547853dbbd6553592272a4ed12b1a3a9a2a906681ef229a0f4545d22ce3e3a
- SSDEEP 49152:2z4bj3Op3BIHLtpYnUWyh/WbGkApj6u5a2C:2z4bbOp3BQt7fWbapjVC
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
laplas
C2
-
http://45.159.189.105
Attributes
-
api_key
9ee0ef01cd0f0468c997745b63f39799e510412a4bb4e6ff8efcf6f8ac926172
Signatures
- Executes dropped EXE 1 IoCs
pid Process 684 ntlhost.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" install.exe - GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 33 Go-http-client/1.1 - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3476 wrote to memory of 684 3476 install.exe 90 PID 3476 wrote to memory of 684 3476 install.exe 90 PID 3476 wrote to memory of 684 3476 install.exe 90
Processes
-
C:\Users\Admin\AppData\Local\Temp\install.exe"C:\Users\Admin\AppData\Local\Temp\install.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3476 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe2⤵
- Executes dropped EXE
PID:684
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
- Size 678.6MB
- SHA256 a6f76967ae64c1c23123e0d6a342ddb4fbc220cb342012c3e5ce04b2c37ac11c
- MD5 2a029421f8d63ceaca7f68c6689e5991
- SHA1 84568138233bfca15aee5c61de20dae497931aac
- SHA512 217e0cad80b1ed17f97465807306917a3ea36c8e078b2c39d45af97985bed07a3c1e38bea4f9c5b8ad7cb96b93f1415cd8882759a0b183f56d71cf4802224dde
- SSDEEP 12582912:3wSrGP8hR+oqUhV2lu43QLpfJR4PCUMwJ4GvRAy7huI/bgEI4ntg3eBDW7qEaE:gZ8hRnOlRALpxMtF4QAy7mWpBhE
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
- Size 687.3MB
- SHA256 fdb202d5e501e8da3cb442aceb90803f1ef256a524f81251d90e417746f7a390
- MD5 f29c5ba49a5a7b207a579752b51a3f4c
- SHA1 5a0b60a18f9b374c92fcc0fcc99f25bc43cc4fe8
- SHA512 4cca8e54b764d128fc128498b305b9c23253351c044116a2cfe354bae44350a35d18eeeb359d9ee1cfe865b6ddfc75ad4c194e72522e5cd35f424a3f832f8108
- SSDEEP 12582912:3wSrGP8hR+oqUhV2lu43QLpfJR4PCUMwJ4GvRAy7huI/bgEI4ntg3eBDW7qEaSgo:gZ8hRnOlRALpxMtF4QAy7mWpBhSGM
- MD5 SHA1 SHA512 SSDEEP