Analysis
- max time kernel
150s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
29/09/2022, 10:19
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
windows7-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
7 signatures
150 seconds
General
- Target file.exe
- Size 290KB
- Sample220929-mchewsbebl
- SHA256 e7aee53b7e1b227bbc873e7bb00a789ece328bb061253ca7d4135c44a7a6b7b7
- MD5 6b94ce1bf64e08c099dfccaaa31c1351
- SHA1 def1ca50af65c112fd8b1c19037b7277b67cf0d3
- SHA512 6849a1cc260c7eee1f6aa27987dd201f7840dae5473b591d774642934c178d1f695e997b21ca4916e90424977618b73b3eae63ec53d4dcc159445d687f334d9a
- SSDEEP 3072:5XheZONy+2UKyae35SqcAHD6r2ujbIh1qEn8CHFzC4K5b6ex0K4M/h3JpZa9uD6t:ds8nKyadAjavIhIYBA4GWex0RwwVfgU
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 1 IoCs
resource yara_rule behavioral2/memory/1048-133-0x0000000000590000-0x0000000000599000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Executes dropped EXE 1 IoCs
pid Process 2144 dsbbecg - Checks SCSI registry key(s) 3 TTPs 6 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI dsbbecg Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI dsbbecg Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI dsbbecg - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1048 file.exe 1048 file.exe 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found 3092 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3092 Process not Found - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 1048 file.exe 2144 dsbbecg
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1048
-
C:\Users\Admin\AppData\Roaming\dsbbecgC:\Users\Admin\AppData\Roaming\dsbbecg1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:2144
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\dsbbecg
- Size 290KB
- SHA256 e7aee53b7e1b227bbc873e7bb00a789ece328bb061253ca7d4135c44a7a6b7b7
- MD5 6b94ce1bf64e08c099dfccaaa31c1351
- SHA1 def1ca50af65c112fd8b1c19037b7277b67cf0d3
- SHA512 6849a1cc260c7eee1f6aa27987dd201f7840dae5473b591d774642934c178d1f695e997b21ca4916e90424977618b73b3eae63ec53d4dcc159445d687f334d9a
- SSDEEP 3072:5XheZONy+2UKyae35SqcAHD6r2ujbIh1qEn8CHFzC4K5b6ex0K4M/h3JpZa9uD6t:ds8nKyadAjavIhIYBA4GWex0RwwVfgU
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\dsbbecg
- Size 290KB
- SHA256 e7aee53b7e1b227bbc873e7bb00a789ece328bb061253ca7d4135c44a7a6b7b7
- MD5 6b94ce1bf64e08c099dfccaaa31c1351
- SHA1 def1ca50af65c112fd8b1c19037b7277b67cf0d3
- SHA512 6849a1cc260c7eee1f6aa27987dd201f7840dae5473b591d774642934c178d1f695e997b21ca4916e90424977618b73b3eae63ec53d4dcc159445d687f334d9a
- SSDEEP 3072:5XheZONy+2UKyae35SqcAHD6r2ujbIh1qEn8CHFzC4K5b6ex0K4M/h3JpZa9uD6t:ds8nKyadAjavIhIYBA4GWex0RwwVfgU
- MD5 SHA1 SHA512 SSDEEP