Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
01/04/2023, 02:04
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 250KB
- Sample230401-chal5agf3t
- SHA256 e948d819098a535a287e480031682ef52dfd0a3b4d53778b49d73f362409c8aa
- MD5 9940c2ab467873062bae14960469b7dd
- SHA1 8a253e9de5d2daa699f0d7e0673d2f6dc480b4a0
- SHA512 2ad6a4a99c7b05212e64c843027f946cd59ee26f02cc1b0e4655d9ecf88b7de70ffe9557291cbedd6d2a4f90b5e830e7ad91d4758aaf80128ee243930c66b6b9
- SSDEEP 3072:wGA/Fn5TF+pt8XcfsRmXBOXRMN2iYWdrZr8Cr/+Sl73Mq4KvKKKFpxwH+v:whB5T0Acfmh6fYjK//3MfKKee
- 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 4644 set thread context of 4280 4644 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 opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI setup.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI setup.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI setup.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4280 setup.exe 4280 setup.exe 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1264 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4280 setup.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4644 wrote to memory of 4280 4644 setup.exe 84 PID 4644 wrote to memory of 4280 4644 setup.exe 84 PID 4644 wrote to memory of 4280 4644 setup.exe 84 PID 4644 wrote to memory of 4280 4644 setup.exe 84 PID 4644 wrote to memory of 4280 4644 setup.exe 84 PID 4644 wrote to memory of 4280 4644 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:4644 -
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:4280
-