Analysis
- max time kernel
158s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
06/02/2023, 18:44
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 300KB
- Sample230206-xdf9bsfc96
- SHA256 219b99bc99eb5f9f345edb720629bb34422d16604316643a1d04f98cfee34638
- MD5 6bb0339c7f458dc6eeb38080b0552c5f
- SHA1 3f76fa5794d88dcb7a1bb187ed26bfce2d72b564
- SHA512 9ad2e2d617ba539c5f50dbde9b74c322baf1a05fb32f7f1079801324aa99bdb6873f06b8079f5677ecac9aa4af2c49e2e24de106d694b5e92f63c1047a55cf2d
- SSDEEP 3072:CwQb6bFIuLZJ4knRGvuCJRXWHei+/8Utnp3suQjiMTE5F+nyafM:CFG/LZH02CUG8a2uQj9Q+nya
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/2136-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4840-135-0x00000000021A0000-0x00000000021A9000-memory.dmp family_smokeloader behavioral2/memory/2136-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2136-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4840 set thread context of 2136 4840 file.exe 81 - 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 2136 file.exe 2136 file.exe 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found 3020 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3020 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2136 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4840 wrote to memory of 2136 4840 file.exe 81 PID 4840 wrote to memory of 2136 4840 file.exe 81 PID 4840 wrote to memory of 2136 4840 file.exe 81 PID 4840 wrote to memory of 2136 4840 file.exe 81 PID 4840 wrote to memory of 2136 4840 file.exe 81 PID 4840 wrote to memory of 2136 4840 file.exe 81
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:4840 -
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:2136
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