Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
10/01/2023, 03:32
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
- Sample230110-d3lqkabc89
- SHA256 32a9ddb49bfc3a98db9aee96f277f44edfb3ad1ab5314e6e495434cb419edcff
- MD5 10ce4234d738639387b011a42e8dec77
- SHA1 9d1d45f8177b38435afb84b4aec1b6cd9661314b
- SHA512 36e6c48e1ac2902dcfb6c00b8e101eff5224066dbacf7d728d08c5c57e105fa74d9a9e093197a240d6dc0cc1d653477f43095e40260e759f68dd64f9c6638176
- SSDEEP 3072:QX3yw5zDxD7EZk51CFv8m7DVUsZ7kB7ZpqklwtJwEXL7EReBA0XjNGxffxWsqQJK:EvDxE2CFvsBxlwtJn7dBA0X5JAJY
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/844-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4892-135-0x0000000002190000-0x0000000002199000-memory.dmp family_smokeloader behavioral2/memory/844-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/844-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4892 set thread context of 844 4892 file.exe 82 - 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 844 file.exe 844 file.exe 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2744 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 844 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4892 wrote to memory of 844 4892 file.exe 82 PID 4892 wrote to memory of 844 4892 file.exe 82 PID 4892 wrote to memory of 844 4892 file.exe 82 PID 4892 wrote to memory of 844 4892 file.exe 82 PID 4892 wrote to memory of 844 4892 file.exe 82 PID 4892 wrote to memory of 844 4892 file.exe 82
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:4892 -
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:844
-