Analysis
- max time kernel
150s - max time network
109s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system - submitted
12/04/2023, 00:35
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 213KB
- Sample230412-axcc6agd47
- SHA256 954a2b32a088ec729d059b519adadbd5520a348cd99cb4b2952c814be0aa698a
- MD5 ff2a63d9c945c595362135736c9fd41b
- SHA1 b6208a6a797ab177b2c91d911591501016700310
- SHA512 6c5219631bec0e428f908b62dd10606bfbb3543e3b4bde8055194f695da919fc4f81f07cd3131d3ea082ba3f5709d5f86f78f9f86f97e9bb0bbca3faff1d2492
- SSDEEP 3072:mZPW+cOjsAmmb181JCzc90qSph8IZcUfgmAqdp+O615Nc6JD:6u+cYmmbe1IAOqSpvtTzp+J1c65
- 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 4960 set thread context of 832 4960 setup.exe 82 - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI setup.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI setup.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI setup.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 832 setup.exe 832 setup.exe 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found 660 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 660 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 832 setup.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4960 wrote to memory of 832 4960 setup.exe 82 PID 4960 wrote to memory of 832 4960 setup.exe 82 PID 4960 wrote to memory of 832 4960 setup.exe 82 PID 4960 wrote to memory of 832 4960 setup.exe 82 PID 4960 wrote to memory of 832 4960 setup.exe 82 PID 4960 wrote to memory of 832 4960 setup.exe 82 - 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:4960 -
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:832
-