Analysis
- max time kernel
150s - max time network
118s - platform
windows10-2004_x64 - resource
win10v2004-20230621-en - resource tags
arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system - submitted
29/06/2023, 13:13
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20230621-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20230621-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 278KB
- Sample230629-qf3f1sdb22
- SHA256 e7d7c5a24455d0de7fdf25c4ccf0cfbba819057fbcdcdfb478a08da84abffa49
- MD5 86b471b9496dab0c4c7a890b2f80e0c7
- SHA1 71601f81dc0e87eeaf2cd9640607e62ecc5653da
- SHA512 4a526712756bafd8a27895b316ffd8904b798e1d255cb272420bca8f7d41848b4f15949ace256d68345dba4c61f35238498abb6fe1f13d02d0f8b6ea551c71e5
- SSDEEP 3072:Hi3UpCtlfpq7HmTfcYV761zX+uW5CTsnFuLArYD3U9OV4:CEmW7HmT0eqDnmmsFu3m
- 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 3060 set thread context of 2752 3060 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 2752 file.exe 2752 file.exe 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found 3200 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3200 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2752 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3060 wrote to memory of 2752 3060 file.exe 84 PID 3060 wrote to memory of 2752 3060 file.exe 84 PID 3060 wrote to memory of 2752 3060 file.exe 84 PID 3060 wrote to memory of 2752 3060 file.exe 84 PID 3060 wrote to memory of 2752 3060 file.exe 84 PID 3060 wrote to memory of 2752 3060 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:3060 -
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:2752
-