Analysis
- max time kernel
150s - max time network
129s - 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, 11:06
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 178KB
- Sample230320-m7ex9adb34
- SHA256 914d0d01e6902bc028bf07ab052222a76888a09b20ec45d0b112a138411b8ecc
- MD5 0648524a157abd65c69d0bf9a6997c6e
- SHA1 93b71ce1e2d0008237bfa91a74bbd740bbc6c47e
- SHA512 58f1a642412da7d9ee8dec046b78d34c1faaf0b5b01bf7fe281621103deb86e10a00b0e00708549319a8637a19a817eeb88b8b510ab0faa8440880bf490c1fae
- SSDEEP 3072:YkVBmO9FJcBzEh3ze9wpBuT2tqbM42N305cVkpR4RVmB:NmCF1h3zeGHuT24oB3YRaR
- 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 1124 set thread context of 4388 1124 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 enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI setup.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI setup.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI setup.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4388 setup.exe 4388 setup.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 4388 setup.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1124 wrote to memory of 4388 1124 setup.exe 84 PID 1124 wrote to memory of 4388 1124 setup.exe 84 PID 1124 wrote to memory of 4388 1124 setup.exe 84 PID 1124 wrote to memory of 4388 1124 setup.exe 84 PID 1124 wrote to memory of 4388 1124 setup.exe 84 PID 1124 wrote to memory of 4388 1124 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:1124 -
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:4388
-