Analysis
- max time kernel
151s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
25/12/2022, 07:13
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 223KB
- Sample221225-h13nhsed21
- SHA256 b9d55c141a2581cb43a3a2759fe135a90a32082046544924ff07891d7e0d7651
- MD5 d9897e0a2a42aa523ad3746139e13ba7
- SHA1 32056d9bf1c56eff2cbab6377a8bff53a4f09ba3
- SHA512 6f59c62b2439fd4e9b218e1d9d6dec2948e09dbb7d47238d8779304149d8f2804043b08fa8b9247c4588513cb516c21aac5142180c4795706e73f09d77cf2a94
- SSDEEP 3072:DDW+6YLT/15+HykH4nqwVhpk729YKByauDI2f/ln:T6YLDGHt6qwVfk729YRaMIo
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/1744-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1556-135-0x0000000002190000-0x0000000002199000-memory.dmp family_smokeloader behavioral2/memory/1744-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1744-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1556 set thread context of 1744 1556 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 enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1744 file.exe 1744 file.exe 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found 3032 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3032 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1744 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1556 wrote to memory of 1744 1556 file.exe 81 PID 1556 wrote to memory of 1744 1556 file.exe 81 PID 1556 wrote to memory of 1744 1556 file.exe 81 PID 1556 wrote to memory of 1744 1556 file.exe 81 PID 1556 wrote to memory of 1744 1556 file.exe 81 PID 1556 wrote to memory of 1744 1556 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:1556 -
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:1744
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