Analysis
- max time kernel
150s - max time network
132s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
18/01/2023, 08:16
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 230KB
- Sample230118-j55jcahe2s
- SHA256 63ee86755bb5dfe1719bd69e6fa7d580309b3bb21e2cf9a4a16ec82be1f02e3a
- MD5 a94151d78a7bbd57608e8ba2ac2d2804
- SHA1 eccef300b9e141af09b1943adbb74d44f1a5d3f0
- SHA512 5ebff52b9ef597fd4ff3444f9f655ebb299ec8748e1a1673460344b22cde4000bce63c0f2bc63ef38e51e9a405b5b007482d44d633f53b38d30e82736f9031d0
- SSDEEP 6144:j8+BLmK9Fzc0funguZuT/Zky1v4YtW1WmJSU9:w+P9TfuHuT/Zky54G8SU
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/3708-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1048-135-0x00000000006D0000-0x00000000006D9000-memory.dmp family_smokeloader behavioral2/memory/3708-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3708-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1048 set thread context of 3708 1048 file.exe 78 - 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 file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3708 file.exe 3708 file.exe 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3044 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3708 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1048 wrote to memory of 3708 1048 file.exe 78 PID 1048 wrote to memory of 3708 1048 file.exe 78 PID 1048 wrote to memory of 3708 1048 file.exe 78 PID 1048 wrote to memory of 3708 1048 file.exe 78 PID 1048 wrote to memory of 3708 1048 file.exe 78 PID 1048 wrote to memory of 3708 1048 file.exe 78
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1048 -
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:3708
-