Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
25/04/2023, 15:45
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
5420c098b734893e784c2d798b27cc41.exe
Resource
win7-20230220-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
5420c098b734893e784c2d798b27cc41.exe
Resource
win10v2004-20230220-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target 5420c098b734893e784c2d798b27cc41.exe
- Size 215KB
- Sample230425-s62nhsbb94
- SHA256 f1eaac98a40f7280e2dab0daf8efe42bed1914b1e7d0e092d20a20c9cc03d693
- MD5 5420c098b734893e784c2d798b27cc41
- SHA1 a7b5bfe0f7e859a848995afecab690d5cd1fe410
- SHA512 d1e0bd16727ca795256a681c9b5ea3e5fb95fdec93fbbc40a9ce92db8725f5bb0c5ab2d1403e4eb7c6b9aec3205dcfa6aaa47cde1efd7377b3bb433c30e00c38
- SSDEEP 3072:U2oxb0wYfxLW4xyTYPMCx89dEjYQyqUXsL9D07pZL5iAp:ubOW4xICx89dEjYB3Y9AXgAp
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
smokeloader
Botnet
-
pub1
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 4708 set thread context of 1596 4708 5420c098b734893e784c2d798b27cc41.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 enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 5420c098b734893e784c2d798b27cc41.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 5420c098b734893e784c2d798b27cc41.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 5420c098b734893e784c2d798b27cc41.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1596 5420c098b734893e784c2d798b27cc41.exe 1596 5420c098b734893e784c2d798b27cc41.exe 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3160 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1596 5420c098b734893e784c2d798b27cc41.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4708 wrote to memory of 1596 4708 5420c098b734893e784c2d798b27cc41.exe 83 PID 4708 wrote to memory of 1596 4708 5420c098b734893e784c2d798b27cc41.exe 83 PID 4708 wrote to memory of 1596 4708 5420c098b734893e784c2d798b27cc41.exe 83 PID 4708 wrote to memory of 1596 4708 5420c098b734893e784c2d798b27cc41.exe 83 PID 4708 wrote to memory of 1596 4708 5420c098b734893e784c2d798b27cc41.exe 83 PID 4708 wrote to memory of 1596 4708 5420c098b734893e784c2d798b27cc41.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\5420c098b734893e784c2d798b27cc41.exe"C:\Users\Admin\AppData\Local\Temp\5420c098b734893e784c2d798b27cc41.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4708 -
C:\Users\Admin\AppData\Local\Temp\5420c098b734893e784c2d798b27cc41.exe"C:\Users\Admin\AppData\Local\Temp\5420c098b734893e784c2d798b27cc41.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1596
-