Analysis
- max time kernel
150s - max time network
123s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
08/05/2023, 06:26
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
f0fca1cbf4e4b62846f43b7240f2c566.exe
Resource
win7-20230220-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
f0fca1cbf4e4b62846f43b7240f2c566.exe
Resource
win10v2004-20230220-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target f0fca1cbf4e4b62846f43b7240f2c566.exe
- Size 312KB
- Sample230508-g663fsba71
- SHA256 fc7638f62d84fd3e510ac1cd6c3db50f5f1851947cec10aa27fc897ec893228d
- MD5 f0fca1cbf4e4b62846f43b7240f2c566
- SHA1 9554c9f601b520a50fb991448822520db339cc69
- SHA512 ea3078145a48fbc11494b86b65d6cff278750fd63d5648fca3f23fd5b23649791c23174ba97c9cde617d1c64b5b3f0eed6dfe961b7b187e8026943d0feb4fded
- SSDEEP 3072:tAX8vPXctGlJOCLRFIARRAfk1FawK/AyAnnwe8UHKssCgI5gM23P7WLOumeCQ+T:WeXc8zLHIKAfk1BSAna0AJ96LOumeW
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
smokeloader
Botnet
-
pu10
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 1844 set thread context of 1780 1844 f0fca1cbf4e4b62846f43b7240f2c566.exe 88 - 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 f0fca1cbf4e4b62846f43b7240f2c566.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI f0fca1cbf4e4b62846f43b7240f2c566.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI f0fca1cbf4e4b62846f43b7240f2c566.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1780 f0fca1cbf4e4b62846f43b7240f2c566.exe 1780 f0fca1cbf4e4b62846f43b7240f2c566.exe 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found 3080 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3080 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1780 f0fca1cbf4e4b62846f43b7240f2c566.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1844 wrote to memory of 1780 1844 f0fca1cbf4e4b62846f43b7240f2c566.exe 88 PID 1844 wrote to memory of 1780 1844 f0fca1cbf4e4b62846f43b7240f2c566.exe 88 PID 1844 wrote to memory of 1780 1844 f0fca1cbf4e4b62846f43b7240f2c566.exe 88 PID 1844 wrote to memory of 1780 1844 f0fca1cbf4e4b62846f43b7240f2c566.exe 88 PID 1844 wrote to memory of 1780 1844 f0fca1cbf4e4b62846f43b7240f2c566.exe 88 PID 1844 wrote to memory of 1780 1844 f0fca1cbf4e4b62846f43b7240f2c566.exe 88 - 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\f0fca1cbf4e4b62846f43b7240f2c566.exe"C:\Users\Admin\AppData\Local\Temp\f0fca1cbf4e4b62846f43b7240f2c566.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1844 -
C:\Users\Admin\AppData\Local\Temp\f0fca1cbf4e4b62846f43b7240f2c566.exe"C:\Users\Admin\AppData\Local\Temp\f0fca1cbf4e4b62846f43b7240f2c566.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1780
-