Analysis
- max time kernel
156s - max time network
133s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
02/12/2022, 20:47
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 349KB
- Sample221202-zkvreacf22
- SHA256 ad875f90c1ea78a8a355201369dda7cdb663b58aaab4fe440ec037abcd17afec
- MD5 824aba202ea1976c9f2f73f27ecf0b8d
- SHA1 447d35418788671b04c197c9961866224647ffe1
- SHA512 a9b0c306b9335d23344de095c8cc8810befa026119972f6af3b745503ed62b23f011b8d76393e3c7c9fe2a0d43e065f7f192ea9541ce81613269108a8ca46ef6
- SSDEEP 6144:npuIELLMs+RcGRraT+3CrlULHajVPvM2o9ouRjMgUL:nY1LyRcESrlUL6q2oXRQg
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/2868-133-0x0000000000030000-0x0000000000039000-memory.dmp family_smokeloader behavioral2/memory/4824-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4824-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4824-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2868 set thread context of 4824 2868 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 4824 file.exe 4824 file.exe 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found 2644 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2644 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4824 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2868 wrote to memory of 4824 2868 file.exe 80 PID 2868 wrote to memory of 4824 2868 file.exe 80 PID 2868 wrote to memory of 4824 2868 file.exe 80 PID 2868 wrote to memory of 4824 2868 file.exe 80 PID 2868 wrote to memory of 4824 2868 file.exe 80 PID 2868 wrote to memory of 4824 2868 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:2868 -
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:4824
-