Analysis
- max time kernel
183s - max time network
199s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
03/12/2022, 05:58
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 351KB
- Sample221203-gn7w2aae74
- SHA256 0ca4fed1ffae372088077dbae18b04d62c98d8831ad5ec431c922c536bf9fb4e
- MD5 7f2e1135f02fac6cce97da5801d133fc
- SHA1 fffe756642060366611c4c76b7bcd62d0a7ed347
- SHA512 0db2a439bb4864e21f6edbfe6605c276ba9d1e4de85226500c73d1c3f071e4d523fcc67f28bbc3f2f342bf2df547cb8792aae22bd3b13a707b43bc8108c403bc
- SSDEEP 6144:+K7rIreLe8R6vcRavIa8/d5GTEwXSJLuRAeZ2rjp:+sCeX6vZIDxlIRbZ2v
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/3704-133-0x0000000000030000-0x0000000000039000-memory.dmp family_smokeloader behavioral2/memory/1992-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1992-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1992-139-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3704 set thread context of 1992 3704 file.exe 84 - 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 1992 file.exe 1992 file.exe 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found 2584 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2584 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1992 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3704 wrote to memory of 1992 3704 file.exe 84 PID 3704 wrote to memory of 1992 3704 file.exe 84 PID 3704 wrote to memory of 1992 3704 file.exe 84 PID 3704 wrote to memory of 1992 3704 file.exe 84 PID 3704 wrote to memory of 1992 3704 file.exe 84 PID 3704 wrote to memory of 1992 3704 file.exe 84
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:3704 -
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:1992
-