Analysis
- max time kernel
150s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
27/01/2023, 03:20
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
windows7-x64
7 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 201KB
- Sample230127-dvrxlsgc62
- SHA256 2a55776e8a0738cd7a124d773e4c12fbddeee12602f161008f1b24d0c9a481d0
- MD5 aa1e1bf4e70306b12a24a2f039e5278e
- SHA1 995962d91492171afd7605fab6a4ade14bf226bf
- SHA512 ae8cfdba8279be8699ef0d71c069530e45039997255ff308b17e84f77c8c1f65823ac9ca195a8f2d013c26cce88260273cf0ec920d05dcd17b91ed08aced95b6
- SSDEEP 3072:RmBN3J2OgAEA4xneLSkDj5x/EThmUHdQywjRr2EaOoo9rVbv4Hp:McA+eLSkDPP8QyeMOoo9rOHp
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/2632-133-0x0000000002CE0000-0x0000000002CE9000-memory.dmp family_smokeloader behavioral2/memory/4988-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4988-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4988-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2632 set thread context of 4988 2632 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 4988 file.exe 4988 file.exe 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2732 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4988 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2632 wrote to memory of 4988 2632 file.exe 82 PID 2632 wrote to memory of 4988 2632 file.exe 82 PID 2632 wrote to memory of 4988 2632 file.exe 82 PID 2632 wrote to memory of 4988 2632 file.exe 82 PID 2632 wrote to memory of 4988 2632 file.exe 82 PID 2632 wrote to memory of 4988 2632 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:2632 -
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:4988
-