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
10/03/2023, 12:11
Static task
static1
Behavioral task
behavioral1
Sample
26f8d9b2d6bbd02c7681b8f60f89389b.exe
Resource
win7-20230220-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
26f8d9b2d6bbd02c7681b8f60f89389b.exe
Resource
win10v2004-20230220-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target 26f8d9b2d6bbd02c7681b8f60f89389b.exe
- Size 280KB
- Sample230310-pcltesde65
- SHA256 985e23f9af053ee395993f3c5f575c211a161f461fb5a16737800200deea39ed
- MD5 26f8d9b2d6bbd02c7681b8f60f89389b
- SHA1 b357c5fa2453de78ec202d6904cb115f2216338f
- SHA512 a853f9091f68d8294eaae7d985b6e72b8c9fa78a9c6265e09e9c7ee7aaafeafd9a53a257ff8cb5cacc344c46a441beb319acc4074e71ac735a0a50b4396d3b43
- SSDEEP 3072:k1AVKDFYsL91Te4LEo6GClie38AFG2ol7D6MWIjpmdWN/eOcXylIXT9aL7wsptmz:alLjDfClKAFG2EWypfN/eVXye8b+
- 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 1512 set thread context of 5092 1512 26f8d9b2d6bbd02c7681b8f60f89389b.exe 85 - 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 26f8d9b2d6bbd02c7681b8f60f89389b.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 26f8d9b2d6bbd02c7681b8f60f89389b.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 26f8d9b2d6bbd02c7681b8f60f89389b.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5092 26f8d9b2d6bbd02c7681b8f60f89389b.exe 5092 26f8d9b2d6bbd02c7681b8f60f89389b.exe 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2780 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 5092 26f8d9b2d6bbd02c7681b8f60f89389b.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1512 wrote to memory of 5092 1512 26f8d9b2d6bbd02c7681b8f60f89389b.exe 85 PID 1512 wrote to memory of 5092 1512 26f8d9b2d6bbd02c7681b8f60f89389b.exe 85 PID 1512 wrote to memory of 5092 1512 26f8d9b2d6bbd02c7681b8f60f89389b.exe 85 PID 1512 wrote to memory of 5092 1512 26f8d9b2d6bbd02c7681b8f60f89389b.exe 85 PID 1512 wrote to memory of 5092 1512 26f8d9b2d6bbd02c7681b8f60f89389b.exe 85 PID 1512 wrote to memory of 5092 1512 26f8d9b2d6bbd02c7681b8f60f89389b.exe 85 - 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\26f8d9b2d6bbd02c7681b8f60f89389b.exe"C:\Users\Admin\AppData\Local\Temp\26f8d9b2d6bbd02c7681b8f60f89389b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1512 -
C:\Users\Admin\AppData\Local\Temp\26f8d9b2d6bbd02c7681b8f60f89389b.exe"C:\Users\Admin\AppData\Local\Temp\26f8d9b2d6bbd02c7681b8f60f89389b.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:5092
-