Analysis
- max time kernel
150s - max time network
128s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
19/04/2023, 14:06
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20230220-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20230220-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 235KB
- Sample230419-redxpscg7t
- SHA256 db3b7bda2ba6f35cd7fc537166743a2b92d22a19e28fc3b067e5de090dd31ab4
- MD5 b837dfae19cc1b86f4174be20aa88a68
- SHA1 5c06f025478cf208989d4619e271cfa2ff985c26
- SHA512 44a0050b772f971a8d15d6fe6749183850b2021fafce9da03f747a7887fad02ba9bc5e8685319078a977134648d7efc9bf4e50e0fe75688651b2e722f7f35319
- SSDEEP 3072:x7qZBfHDoWnz2srA4JqK3FbTPRAUenyp65/OuwYPDpJKJRfGI:4ZBboAw4JqMFbj23n9O3YPDWJ
- 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 452 set thread context of 2392 452 file.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 file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2392 file.exe 2392 file.exe 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found 2524 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2524 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2392 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 452 wrote to memory of 2392 452 file.exe 84 PID 452 wrote to memory of 2392 452 file.exe 84 PID 452 wrote to memory of 2392 452 file.exe 84 PID 452 wrote to memory of 2392 452 file.exe 84 PID 452 wrote to memory of 2392 452 file.exe 84 PID 452 wrote to memory of 2392 452 file.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\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:452 -
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2392
-