Analysis
- max time kernel
189s - max time network
190s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
11/02/2023, 22:29
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
9 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 197KB
- Sample230211-2d7thacf68
- SHA256 60cb5e43a84ade05142dc1836c6a151523cdb73982194ad1fb761b37ce433005
- MD5 1887079233927d8963b5ebe17d6efe55
- SHA1 76b4a9950ba3346e8c0a2851b8f2234082c4a159
- SHA512 3d934e3aa97f700d3f1f01ff8ebf0fa303c49407abc32fcc08d77217798fc7712dbef23ab4651a3c00e61cf82d99ecbb4d61c0f2d245492c050f8030e77a639e
- SSDEEP 3072:8jq06+0JdnW5ClrLZqdc1WuaIu12DvrKgpurvYhV2XYWMjz4tG:8GpRf99Ec1aIu12DumV2Xmz4
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4812-133-0x0000000000A20000-0x0000000000A29000-memory.dmp family_smokeloader behavioral2/memory/3128-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3128-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3128-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4812 set thread context of 3128 4812 file.exe 79 - 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 3128 file.exe 3128 file.exe 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2176 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3128 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4812 wrote to memory of 3128 4812 file.exe 79 PID 4812 wrote to memory of 3128 4812 file.exe 79 PID 4812 wrote to memory of 3128 4812 file.exe 79 PID 4812 wrote to memory of 3128 4812 file.exe 79 PID 4812 wrote to memory of 3128 4812 file.exe 79 PID 4812 wrote to memory of 3128 4812 file.exe 79
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:4812 -
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:3128
-