Analysis
- max time kernel
170s - max time network
171s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
11/02/2023, 02:51
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
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 386KB
- Sample230211-db6lnaga38
- SHA256 96367961b2bc5d3fe8513bdbe1d7024b318f7dcbd4cfe500280ce31e768bbd7b
- MD5 e6ffbfffb496fe9300e65220bb975107
- SHA1 26aa3672b7aaf4deade0dd258bd4a8274b071789
- SHA512 bf344e352ace08327447b69ee79c9ea547bb1d5feb08a1578df38894c59f19ea9b67b634d02b2cf53d26a530f244b21cc7619df09a94d4dc2032a862700306b5
- SSDEEP 6144:LPzdRTXvKgEk10l3YzyHiqMdkT6ARZt5D:LPLvK5k1IyyHvMdkmA
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/1664-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3760-135-0x0000000000610000-0x0000000000619000-memory.dmp family_smokeloader behavioral2/memory/1664-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1664-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3760 set thread context of 1664 3760 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 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 1664 file.exe 1664 file.exe 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found 684 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 684 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1664 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3760 wrote to memory of 1664 3760 file.exe 80 PID 3760 wrote to memory of 1664 3760 file.exe 80 PID 3760 wrote to memory of 1664 3760 file.exe 80 PID 3760 wrote to memory of 1664 3760 file.exe 80 PID 3760 wrote to memory of 1664 3760 file.exe 80 PID 3760 wrote to memory of 1664 3760 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:3760 -
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:1664
-