Analysis
-
max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
16-09-2023 16:33
Static task
static1
Behavioral task
behavioral1
Sample
b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe
Resource
win10v2004-20230915-en
General
-
Target
b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe
-
Size
252KB
-
MD5
aa61de6ebd02482cd16996c6f42ba8ab
-
SHA1
dea6f794cf98f0084bf14916d956818169a36b76
-
SHA256
b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034
-
SHA512
2c638be845bd245db502abee66de6eac9a96348f2e9f81e43bcf648e14caba3d2f075f4f25261ed1ae9ae542f268d36a6214bc08fec958b6eb9e6d8d42c952e3
-
SSDEEP
3072:ajHIbQtMJSCTEKvAw2P7bhICAgYGlA5XFAf0jDb+:aEEtMJNEYAw2TCgvcX2MD
Malware Config
Extracted
smokeloader
up3
Extracted
smokeloader
2020
http://host-file-host6.com/
http://host-host-file8.com/
Signatures
-
SmokeLoader
Modular backdoor trojan in use since 2014.
-
Suspicious use of SetThreadContext 1 IoCs
Processes:
b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exedescription pid process target process PID 2292 set thread context of 4776 2292 b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exepid process 4776 b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe 4776 b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 3116 -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
pid process 3116 -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exepid process 4776 b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exedescription pid process target process PID 2292 wrote to memory of 4776 2292 b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe PID 2292 wrote to memory of 4776 2292 b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe PID 2292 wrote to memory of 4776 2292 b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe PID 2292 wrote to memory of 4776 2292 b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe PID 2292 wrote to memory of 4776 2292 b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe PID 2292 wrote to memory of 4776 2292 b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe -
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\b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe"C:\Users\Admin\AppData\Local\Temp\b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2292 -
C:\Users\Admin\AppData\Local\Temp\b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe"C:\Users\Admin\AppData\Local\Temp\b54f42b5b0d19670960eb10c6789968a30df7e8532519b32d5ef33bf155fc034.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4776