Analysis
- max time kernel
150s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
11/01/2023, 00:10
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
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 268KB
- Sample230111-af2xgsaa86
- SHA256 e24c8a80a918fcea7a059873d6cfed50ce38002d4a69e4e733f97e0f123239ae
- MD5 853b3c0538e3e7755b3281e067754256
- SHA1 7060426ff54355ab145f8b7f6cd94a1d8f365986
- SHA512 4b870d777abb5b228ef1e1943a98539fbbff9c58b0c13815f8f32c4297c6bb0087dc45f796d6d6510353cf3e10673f56129a6d85b2c1f1fd301ed3753789d5e2
- SSDEEP 3072:sXEJGw99MrLqFjbWAt5iaKnaCGPfBYaRKBj58G8jpu/bBNCanng0Pb:o/PrLDACaTPfBZAf8iNng6
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4288-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2764-135-0x00000000048E0000-0x00000000048E9000-memory.dmp family_smokeloader behavioral2/memory/4288-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4288-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2764 set thread context of 4288 2764 file.exe 82 - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4288 file.exe 4288 file.exe 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2348 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4288 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2764 wrote to memory of 4288 2764 file.exe 82 PID 2764 wrote to memory of 4288 2764 file.exe 82 PID 2764 wrote to memory of 4288 2764 file.exe 82 PID 2764 wrote to memory of 4288 2764 file.exe 82 PID 2764 wrote to memory of 4288 2764 file.exe 82 PID 2764 wrote to memory of 4288 2764 file.exe 82
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:2764 -
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:4288
-