Analysis
- max time kernel
155s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
18/12/2022, 12:45
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 214KB
- Sample221218-py2rrsca45
- SHA256 d8aad8b580c07c2d3868a8a5b565ab6cdbd57187146216a912bd87fcb052a932
- MD5 d33ec3de16934261824d0e0c317ae6df
- SHA1 9fd4a74b25e7b4924459c47d6f4120f55ffcbf85
- SHA512 f5b90e0d5c2fc9dc79c5776c1d9b1daeb9b2508d31cebd7f0e34109e2661b5e18240b1039a8b68e2a4b43b334eb3c66481da23079e4f173ae537a59b0f8ac249
- SSDEEP 3072:/wi04LQVLR1TV+khjgK0T5gXSDHfg3uBx+RwGAHOil3lk025PH:YcLmLTV+khjqaCDHo+7fjlVklPH
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4884-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2688-135-0x00000000001F0000-0x00000000001F9000-memory.dmp family_smokeloader behavioral2/memory/4884-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4884-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2688 set thread context of 4884 2688 file.exe 80 - 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 4884 file.exe 4884 file.exe 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2204 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4884 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2688 wrote to memory of 4884 2688 file.exe 80 PID 2688 wrote to memory of 4884 2688 file.exe 80 PID 2688 wrote to memory of 4884 2688 file.exe 80 PID 2688 wrote to memory of 4884 2688 file.exe 80 PID 2688 wrote to memory of 4884 2688 file.exe 80 PID 2688 wrote to memory of 4884 2688 file.exe 80
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:2688 -
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:4884
-