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
06/02/2023, 16:10
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 319KB
- Sample230206-tmc2gsaa4x
- SHA256 9a5332f62b382da141cb5e72abe6b48f2b293e7f97367da0981908cdac532daf
- MD5 34482ccfec4adc294c97920e46b19bc9
- SHA1 4e5aa8da8bd593e4e9de724b3968cf1ac3e2136d
- SHA512 364fb66e09667583a6041481b256cca3ada25feaeec632aea8c1213f8e24904740511208dc37821f67951cb5aed57688ffc294cc2f73d1948754991f19be3882
- SSDEEP 3072:fzr/FLF5LbR60YDprphzm1gxHAMJV9KMm/LC1//+sxA7r09BOdMsjV:rRLrLg0YdrbSyNAYHKxjClRkcwjV
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4928-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2956-135-0x00000000021A0000-0x00000000021A9000-memory.dmp family_smokeloader behavioral2/memory/4928-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4928-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2956 set thread context of 4928 2956 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 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 4928 file.exe 4928 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 4928 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2956 wrote to memory of 4928 2956 file.exe 79 PID 2956 wrote to memory of 4928 2956 file.exe 79 PID 2956 wrote to memory of 4928 2956 file.exe 79 PID 2956 wrote to memory of 4928 2956 file.exe 79 PID 2956 wrote to memory of 4928 2956 file.exe 79 PID 2956 wrote to memory of 4928 2956 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:2956 -
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:4928
-