Analysis
- max time kernel
155s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
15/12/2022, 08:32
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
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 327KB
- Sample221215-kfbqeaca56
- SHA256 8fa1be908513b78293ee4ac0450bb9e2230d90d343cc16b07e66cd65878e6da9
- MD5 8b83bbe836c5be468504af66b227bb24
- SHA1 fec938fb5b1c66b0ef397ca31819929ad0b24519
- SHA512 9a8c2303afa97c864cf82c04128dcd5a694b49cd513a24a8e1b052c5075c8ccafdf00c61e7c17eba9d48ed4ad8dcc505d77bdf5597c76e467e13d59264a6a8ff
- SSDEEP 6144:8YQ0LZj5dX8alsq4YGMFixRV5/W6nKIIx2Sbjfxur/tb:hNj5dMa1nIxRf/W6nKeSbjJurR
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4592-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2140-135-0x0000000000570000-0x0000000000579000-memory.dmp family_smokeloader behavioral2/memory/4592-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4592-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2140 set thread context of 4592 2140 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 4592 file.exe 4592 file.exe 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found 3052 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3052 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4592 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2140 wrote to memory of 4592 2140 file.exe 80 PID 2140 wrote to memory of 4592 2140 file.exe 80 PID 2140 wrote to memory of 4592 2140 file.exe 80 PID 2140 wrote to memory of 4592 2140 file.exe 80 PID 2140 wrote to memory of 4592 2140 file.exe 80 PID 2140 wrote to memory of 4592 2140 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:2140 -
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:4592
-