Analysis
- max time kernel
150s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
27/03/2023, 01:37
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 273KB
- Sample230327-b1tmaaba56
- SHA256 0abfa054de14518b7f5538ea5052448548a5758ee3dc648124feb53dde49dfd3
- MD5 6fd8eefe394a44ec3e32294dca17b58e
- SHA1 2f05ad7e05c99576bb47af4eba72a59a22d0a2dc
- SHA512 9dc3913ed8bc796a6c7327384f37df6898d77fa728eacc43a808928a6ccb4de4220f09f82e0fe65a9b0d151e45329c76f305c608cfb5a9e6b5fbb59f69d3669f
- SSDEEP 3072:tSLTz8rL5hv9uDOCXlXrwGFHmio9CQ78PlRiQEy+UzVYKpN87jRjM/XZFcDsCJQO:Y9BlXrNFGio9Ud0QLVN83FMBFcfTfz
- 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 1160 set thread context of 1508 1160 setup.exe 83 - 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 1508 setup.exe 1508 setup.exe 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3184 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1508 setup.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1160 wrote to memory of 1508 1160 setup.exe 83 PID 1160 wrote to memory of 1508 1160 setup.exe 83 PID 1160 wrote to memory of 1508 1160 setup.exe 83 PID 1160 wrote to memory of 1508 1160 setup.exe 83 PID 1160 wrote to memory of 1508 1160 setup.exe 83 PID 1160 wrote to memory of 1508 1160 setup.exe 83 - 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:1160 -
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:1508
-