Analysis
- max time kernel
150s - max time network
126s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
23/03/2023, 01:17
Static task
static1
Behavioral task
behavioral1
Sample
setup.exe
Resource
win7-20230220-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
setup.exe
Resource
win10v2004-20230220-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target setup.exe
- Size 363KB
- Sample230323-bndqascf23
- SHA256 b3c38d2db008a9f4d300d49f6d2d572a49ca2ed74fb61443f1c78dc8aa79a437
- MD5 18a26b80d2a132512ec6b66c1e12a048
- SHA1 92523bbfdf3b01510e9d079f18bdcc8137024443
- SHA512 1542601124a02c6ecabd496e971732eca419bce9e66fdf05aef4c01b3ebe227154dea6143196d7c9cf789481947b78e500dd624d2d94074091f3cff3a36320d6
- SSDEEP 3072:QgrEaPOFiOAJtLnDYybyWNt9V/nt+EvKaNGLjQrIRpMqJ7:+W2yeeYEyaNsEypM
- 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 2776 set thread context of 4700 2776 setup.exe 83 - 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 setup.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI setup.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI setup.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4700 setup.exe 4700 setup.exe 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found 2788 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2788 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4700 setup.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2776 wrote to memory of 4700 2776 setup.exe 83 PID 2776 wrote to memory of 4700 2776 setup.exe 83 PID 2776 wrote to memory of 4700 2776 setup.exe 83 PID 2776 wrote to memory of 4700 2776 setup.exe 83 PID 2776 wrote to memory of 4700 2776 setup.exe 83 PID 2776 wrote to memory of 4700 2776 setup.exe 83 - 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\setup.exe"C:\Users\Admin\AppData\Local\Temp\setup.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2776 -
C:\Users\Admin\AppData\Local\Temp\setup.exe"C:\Users\Admin\AppData\Local\Temp\setup.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4700
-