Analysis
- max time kernel
156s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
16/01/2023, 08:34
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
9 signatures
150 seconds
General
- Target file.exe
- Size 257KB
- Sample230116-kgetfsgb4y
- SHA256 390422d68bf0b396098e240a8fb993beac061ebe7004d3c537444eb3e56a5bd5
- MD5 1b164dae6412740b1cb968a7f9f6d64e
- SHA1 a5761cb67bd97b7c88888209cd2c35db4919a717
- SHA512 831b09e4eb93b97d3a6c9cd5eed78bdbb76cf7d67a888a8c860378f08e0d19a157e869756f82eee6b86643d046c5944567756264d346af00f9f57c76b51f5c97
- SSDEEP 6144:vsfHALaKffiAxVmnG0dm4UNfWiLU4zqQna:vsfgWKf6Azmdm42PLFP
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/3360-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4872-135-0x00000000005E0000-0x00000000005E9000-memory.dmp family_smokeloader behavioral2/memory/3360-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3360-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4872 set thread context of 3360 4872 file.exe 80 - 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 3360 file.exe 3360 file.exe 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found 668 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 668 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3360 file.exe - Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeShutdownPrivilege 668 Process not Found Token: SeCreatePagefilePrivilege 668 Process not Found Token: SeShutdownPrivilege 668 Process not Found Token: SeCreatePagefilePrivilege 668 Process not Found Token: SeShutdownPrivilege 668 Process not Found Token: SeCreatePagefilePrivilege 668 Process not Found Token: SeShutdownPrivilege 668 Process not Found Token: SeCreatePagefilePrivilege 668 Process not Found Token: SeShutdownPrivilege 668 Process not Found Token: SeCreatePagefilePrivilege 668 Process not Found Token: SeShutdownPrivilege 668 Process not Found Token: SeCreatePagefilePrivilege 668 Process not Found - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4872 wrote to memory of 3360 4872 file.exe 80 PID 4872 wrote to memory of 3360 4872 file.exe 80 PID 4872 wrote to memory of 3360 4872 file.exe 80 PID 4872 wrote to memory of 3360 4872 file.exe 80 PID 4872 wrote to memory of 3360 4872 file.exe 80 PID 4872 wrote to memory of 3360 4872 file.exe 80
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:4872 -
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:3360
-