Analysis
- max time kernel
150s - max time network
124s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
06/01/2023, 16:04
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 312KB
- Sample230106-thx6vshb45
- SHA256 ca7362ccf576f32166964bcadadd75c7a2323dbf2e2e49d5acf925f1e0f9455d
- MD5 e56158c08e3e06f23dd8120469e4a511
- SHA1 7fe1ec7a14015deff4133cc0b447405f0b8dff5c
- SHA512 9c4b5fa4e3d3f07735f4fcd546ee1d57e90bccea40670b7889bafa6a2293c4e8f93d32ad27e4d68c2dd44dc1982833130b5e78681799f0e53c9a427e4c17186d
- SSDEEP 6144:vdL5zxwPcrBGVaP4StOsAyQpkCJdWKQH9o:vdlzxKc34TYQlbeo
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral2/memory/2268-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2268-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2620-135-0x0000000002D80000-0x0000000002D89000-memory.dmp family_smokeloader behavioral2/memory/2268-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2268-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2620 set thread context of 2268 2620 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 2268 file.exe 2268 file.exe 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 700 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2268 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2620 wrote to memory of 2268 2620 file.exe 80 PID 2620 wrote to memory of 2268 2620 file.exe 80 PID 2620 wrote to memory of 2268 2620 file.exe 80 PID 2620 wrote to memory of 2268 2620 file.exe 80 PID 2620 wrote to memory of 2268 2620 file.exe 80 PID 2620 wrote to memory of 2268 2620 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:2620 -
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:2268
-