Analysis
- max time kernel
150s - max time network
106s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
15/02/2023, 04:00
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 193KB
- Sample230215-eknmwaaa62
- SHA256 40d2cd482d6d310775a88c5e72acb5a30586d89fa168c6ee34d2ef2f6374c28c
- MD5 b218c148efae3bbc6dc324aff6ef0766
- SHA1 6410c448b8293bf963e2a9d6a63ecd9778f35f13
- SHA512 ad86239ca908818f751e76fd108f6c1fac8583839613aaf40b19a662c327dc69ccbf6621e0e5e456f88263ee7df60978a4975ec16aa6e1f2237c818af29b95b7
- SSDEEP 3072:ARNIcbL7P21N5aeYBc217uj6WvVjDJ7iyyLbou61ll2R38:WLD21aNWuCjTv9B+on2R
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4944-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2228-135-0x00000000009F0000-0x00000000009F9000-memory.dmp family_smokeloader behavioral2/memory/4944-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4944-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2228 set thread context of 4944 2228 file.exe 79 - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process 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 file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4944 file.exe 4944 file.exe 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found 2476 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2476 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4944 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2228 wrote to memory of 4944 2228 file.exe 79 PID 2228 wrote to memory of 4944 2228 file.exe 79 PID 2228 wrote to memory of 4944 2228 file.exe 79 PID 2228 wrote to memory of 4944 2228 file.exe 79 PID 2228 wrote to memory of 4944 2228 file.exe 79 PID 2228 wrote to memory of 4944 2228 file.exe 79
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:2228 -
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:4944
-