Analysis
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max time kernel
118s -
max time network
278s -
platform
windows7_x64 -
resource
win7-20230712-en -
resource tags
arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-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
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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 2684 ntlhost.exe -
Loads dropped DLL 2 IoCs
pid Process 3036 836844a9b401f82d1c13a5f96fa3b069ab5192f495bee7ca8e29c154ae265b24.exe 3036 836844a9b401f82d1c13a5f96fa3b069ab5192f495bee7ca8e29c154ae265b24.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2969888527-3102471180-2307688834-1000\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 2 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3036 wrote to memory of 2684 3036 836844a9b401f82d1c13a5f96fa3b069ab5192f495bee7ca8e29c154ae265b24.exe 28 PID 3036 wrote to memory of 2684 3036 836844a9b401f82d1c13a5f96fa3b069ab5192f495bee7ca8e29c154ae265b24.exe 28 PID 3036 wrote to memory of 2684 3036 836844a9b401f82d1c13a5f96fa3b069ab5192f495bee7ca8e29c154ae265b24.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\836844a9b401f82d1c13a5f96fa3b069ab5192f495bee7ca8e29c154ae265b24.exe"C:\Users\Admin\AppData\Local\Temp\836844a9b401f82d1c13a5f96fa3b069ab5192f495bee7ca8e29c154ae265b24.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3036 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe2⤵
- Executes dropped EXE
PID:2684
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
708.0MB
MD5ddc747fc702ac19166daf360b86205c5
SHA15bef7f7687759377af45aad19db844aa38b9db1c
SHA256696eb3923a14b660284f9722bad3a7fd88833845478f3614298f2bd9de9d97d5
SHA512b9274e89881333676ddba09acdbcc1a75e61ee8129f1f0b85d8c2daa809bd9bfe15f75a8b6bb6b10b84a0f68f59479924b4d85e3205c2a70e9c7ff865c1b3a5d
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Filesize
708.0MB
MD5ddc747fc702ac19166daf360b86205c5
SHA15bef7f7687759377af45aad19db844aa38b9db1c
SHA256696eb3923a14b660284f9722bad3a7fd88833845478f3614298f2bd9de9d97d5
SHA512b9274e89881333676ddba09acdbcc1a75e61ee8129f1f0b85d8c2daa809bd9bfe15f75a8b6bb6b10b84a0f68f59479924b4d85e3205c2a70e9c7ff865c1b3a5d
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Filesize
708.0MB
MD5ddc747fc702ac19166daf360b86205c5
SHA15bef7f7687759377af45aad19db844aa38b9db1c
SHA256696eb3923a14b660284f9722bad3a7fd88833845478f3614298f2bd9de9d97d5
SHA512b9274e89881333676ddba09acdbcc1a75e61ee8129f1f0b85d8c2daa809bd9bfe15f75a8b6bb6b10b84a0f68f59479924b4d85e3205c2a70e9c7ff865c1b3a5d