Analysis
-
max time kernel
126s -
max time network
257s -
platform
windows10-1703_x64 -
resource
win10-20230703-en -
resource tags
arch:x64arch:x86image:win10-20230703-enlocale:en-usos:windows10-1703-x64system -
submitted
21-08-2023 03:45
Static task
static1
Behavioral task
behavioral1
Sample
836844a9b401f82d1c13a5f96fa3b069ab5192f495bee7ca8e29c154ae265b24.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
836844a9b401f82d1c13a5f96fa3b069ab5192f495bee7ca8e29c154ae265b24.exe
Resource
win10-20230703-en
General
-
Target
836844a9b401f82d1c13a5f96fa3b069ab5192f495bee7ca8e29c154ae265b24.exe
-
Size
4.0MB
-
MD5
35a38087ca29b3ad34f4bdc30621c409
-
SHA1
444b346f51169737596b497aac18a9d536b229ce
-
SHA256
836844a9b401f82d1c13a5f96fa3b069ab5192f495bee7ca8e29c154ae265b24
-
SHA512
71ba2ad10bba8cd31480170d05c1e9b32c48280bfe50abc4348bffab51cbc1d919ae53d65fc058b81f3c6fad4c45a45302c6bdae7ce4716ef3a075a86c4b7969
-
SSDEEP
49152:oEjwvlIKv05z+UERnIcYmWjc3CdhT5E9UFiqeb0/B1:elhWzZ6hCEciqe
Malware Config
Extracted
laplas
http://206.189.229.43
-
api_key
f52a5c9bc5eb2f51b22f04f3e85c301ac0170a650de6044773f0a8309fbdfb79
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 4520 ntlhost.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2393848421-2120571652-2495149697-1000\Software\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" 836844a9b401f82d1c13a5f96fa3b069ab5192f495bee7ca8e29c154ae265b24.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 1 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4344 wrote to memory of 4520 4344 836844a9b401f82d1c13a5f96fa3b069ab5192f495bee7ca8e29c154ae265b24.exe 70 PID 4344 wrote to memory of 4520 4344 836844a9b401f82d1c13a5f96fa3b069ab5192f495bee7ca8e29c154ae265b24.exe 70
Processes
-
C:\Users\Admin\AppData\Local\Temp\836844a9b401f82d1c13a5f96fa3b069ab5192f495bee7ca8e29c154ae265b24.exe"C:\Users\Admin\AppData\Local\Temp\836844a9b401f82d1c13a5f96fa3b069ab5192f495bee7ca8e29c154ae265b24.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4344 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe2⤵
- Executes dropped EXE
PID:4520
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
800.0MB
MD55fc1b19e632443919d2eb5d5afbd8ab9
SHA15ec7f023a56590dd948dad44cfb05ff493970e96
SHA2565953c9859b48af6bc09abe6952344af30b65d672d4566d8653bd1f32612d0c5e
SHA512bc46840819e325c9085e55763d93557833cfa4d093d3596afb6db0494bfe6d57260c08611d30a0c7e2ad22fb391175664017fa3c3008e7d744a97bc9199e35b4
-
Filesize
800.0MB
MD55fc1b19e632443919d2eb5d5afbd8ab9
SHA15ec7f023a56590dd948dad44cfb05ff493970e96
SHA2565953c9859b48af6bc09abe6952344af30b65d672d4566d8653bd1f32612d0c5e
SHA512bc46840819e325c9085e55763d93557833cfa4d093d3596afb6db0494bfe6d57260c08611d30a0c7e2ad22fb391175664017fa3c3008e7d744a97bc9199e35b4