Analysis
- max time kernel
152s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
09/12/2022, 10:50
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-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 382KB
- Sample221209-mw9ngsfh21
- SHA256 4a187d47962dbe2e2e6443191344cc93aa30d1a68a34efc5f3d3bf79920863dc
- MD5 a85f68609c96322c235fa52ced13e968
- SHA1 111585e298fe5a2463bce4c62868d36f78123a51
- SHA512 7c5984a6baf8044d1761621b11aabea82b93ff6d9e82f9f9fd05574f94dff24cd21c4c1b63a803fbedca6d4d54c2f9807be43a71f44c8e4f1c1279806b826d86
- SSDEEP 6144:FpNdnLY2tFfoTT/CM3zgXSjIshh6K9W9Dn5mded89kTRcA:Fpjk2t9eT6M3DDIK9W9L53awcA
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/884-133-0x00000000008C0000-0x00000000008C9000-memory.dmp family_smokeloader behavioral2/memory/2516-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2516-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2516-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 884 set thread context of 2516 884 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 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 2516 file.exe 2516 file.exe 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3048 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2516 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 884 wrote to memory of 2516 884 file.exe 81 PID 884 wrote to memory of 2516 884 file.exe 81 PID 884 wrote to memory of 2516 884 file.exe 81 PID 884 wrote to memory of 2516 884 file.exe 81 PID 884 wrote to memory of 2516 884 file.exe 81 PID 884 wrote to memory of 2516 884 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:884 -
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:2516
-