Analysis
- max time kernel
150s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
20/03/2023, 11:17
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
9 signatures
150 seconds
General
- Target setup.exe
- Size 248KB
- Sample230320-ndpq2afb7v
- SHA256 7fe8549bdd03b859a894da8128e004c7d01edbb7d2281b38481caa6e8ad92ef2
- MD5 5dd0f7d7c9121442faaef8d965ddd54f
- SHA1 f2e97b41ab5e65243861a2aff8e81b2e926c586f
- SHA512 8273b5ef1b49278b9c7407e997517e1d0a5fcb505c3aa371a0e9f10a72cd105f3e03878091f37fde8fb18fa5fe5c41743c2f627969f7ae896b13e6bf38ebd54d
- SSDEEP 3072:eDAhv3XsLb+Hm15HeDy0mejpQ2/ciTY653briyiQ:B3XsLb2mhejqAciTYcviyP
- 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 4056 set thread context of 1364 4056 setup.exe 87 - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI setup.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI setup.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI setup.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1364 setup.exe 1364 setup.exe 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found 3136 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3136 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1364 setup.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3136 Process not Found 3136 Process not Found - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4056 wrote to memory of 1364 4056 setup.exe 87 PID 4056 wrote to memory of 1364 4056 setup.exe 87 PID 4056 wrote to memory of 1364 4056 setup.exe 87 PID 4056 wrote to memory of 1364 4056 setup.exe 87 PID 4056 wrote to memory of 1364 4056 setup.exe 87 PID 4056 wrote to memory of 1364 4056 setup.exe 87 - 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:4056 -
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:1364
-