Analysis
- max time kernel
150s - max time network
127s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
17/03/2023, 02:50
Static task
static1
Behavioral task
behavioral1
Sample
installer.exe
Resource
win7-20230220-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
installer.exe
Resource
win10v2004-20230220-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target installer.exe
- Size 299KB
- Sample230317-dblaqadh87
- SHA256 536e71d2d626e9236bd14ea6cc8a85d43aecaf1ef32dcfe470084697bf1e5ed0
- MD5 6c1f75e3e766e2178a84c2d58e453a3b
- SHA1 feb00b3345ee3e4a501890a423bd38fd92df6479
- SHA512 335d33de1b1ee1d500b7e37b837ea8cdc5cea7e2e735cbfcf80c2c365a7b121cec3dd0896164eca4381b94deb9701bf4fd175fc8b9234586f6292f2b3202e355
- SSDEEP 6144:H9TLv3sAivIo4uuz3O+3Q6MDUKpNXr7ZN6:HNL3shAo4h++bMJBr7Z
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
smokeloader
Botnet
-
lab
Extracted
Family
-
smokeloader
Version
-
2020
C2
-
http://host-file-host6.com/
-
http://host-host-file8.com/
rc4.i32
rc4.i32
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4368 set thread context of 2184 4368 installer.exe 84 - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI installer.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI installer.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI installer.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2184 installer.exe 2184 installer.exe 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3188 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2184 installer.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4368 wrote to memory of 2184 4368 installer.exe 84 PID 4368 wrote to memory of 2184 4368 installer.exe 84 PID 4368 wrote to memory of 2184 4368 installer.exe 84 PID 4368 wrote to memory of 2184 4368 installer.exe 84 PID 4368 wrote to memory of 2184 4368 installer.exe 84 PID 4368 wrote to memory of 2184 4368 installer.exe 84 - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\installer.exe"C:\Users\Admin\AppData\Local\Temp\installer.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4368 -
C:\Users\Admin\AppData\Local\Temp\installer.exe"C:\Users\Admin\AppData\Local\Temp\installer.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2184
-