Analysis
- max time kernel
151s - 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
30/03/2023, 00:45
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 248KB
- Sample230330-a3333aca7t
- SHA256 9d56e843128da207aa63bacbd04b94c2928e2d409b0fd153e9715a4122cb7233
- MD5 da34ecc235609a0f0401882a9815e0a7
- SHA1 765d2708d9a916955af9c25642c8c64b29529ddd
- SHA512 26faa52f09b38969c9bbb029b20dce2b3cff06f2af55e394be92fa469af9a85a7beb27cfc217de6963884fd7ee111415417d01edf2cd7ea0aecbccb151988635
- SSDEEP 3072:HL9at9KJ8Xg2MX1Le64xgFUuywMNXq/x1kT5GSieluziI/Od4p7EnFUx:Bavhg2MFLe69FUDtNqxK617UFU
- 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 1968 set thread context of 2120 1968 setup.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 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 2120 setup.exe 2120 setup.exe 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3132 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2120 setup.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1968 wrote to memory of 2120 1968 setup.exe 84 PID 1968 wrote to memory of 2120 1968 setup.exe 84 PID 1968 wrote to memory of 2120 1968 setup.exe 84 PID 1968 wrote to memory of 2120 1968 setup.exe 84 PID 1968 wrote to memory of 2120 1968 setup.exe 84 PID 1968 wrote to memory of 2120 1968 setup.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\setup.exe"C:\Users\Admin\AppData\Local\Temp\setup.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1968 -
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:2120
-