Analysis
- max time kernel
150s - max time network
131s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system - submitted
02/01/2023, 06:31
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
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 239KB
- Sample230102-g92xxagg4x
- SHA256 ef5ff25706337d2b8d4f89c2d459fdc0a30fa0f7fd6da97475e1992cf12701fd
- MD5 fd99f5e66ac5245988619ec754d8eba7
- SHA1 f5c9a63cf65a01cd80a2a240b660f1a9f9988e6c
- SHA512 5cdf5d79056f7a10ae189c0523bd8b34bb93918a16f77b13a3ea21391eaefab99a50ae45bb83b9834a14ec5636105497e1df89106a21c5e57d515d599b722bb8
- SSDEEP 3072:uXRqTEVLoDABgYn5i0pE17csNVMQJy2clC7s6CvId7/nW6+WooX:29Lng50pE1pAWdXI6CM/j
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/1368-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2864-135-0x00000000004D0000-0x00000000004D9000-memory.dmp family_smokeloader behavioral2/memory/1368-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1368-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2864 set thread context of 1368 2864 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 1368 file.exe 1368 file.exe 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found 760 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 760 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1368 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2864 wrote to memory of 1368 2864 file.exe 81 PID 2864 wrote to memory of 1368 2864 file.exe 81 PID 2864 wrote to memory of 1368 2864 file.exe 81 PID 2864 wrote to memory of 1368 2864 file.exe 81 PID 2864 wrote to memory of 1368 2864 file.exe 81 PID 2864 wrote to memory of 1368 2864 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:2864 -
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:1368
-