Analysis
- max time kernel
150s - max time network
104s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
22/01/2023, 04:12
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 196KB
- Sample230122-eshftsha4s
- SHA256 319c06f019b7c3bdd71b394683d4c3018047c7aa51fa605cc08ba7c84bc93614
- MD5 0003cf1d8ff906f78913ea977f9c1e7b
- SHA1 9aeb3f4fd98533cb6c3714fc8d5234f6cf1720d0
- SHA512 e14285181ca88b07df04ada3f4a640e211c4a6e33eda53bd86e35532411540da11bb2ba78caaa4f1839b136eb9bf01a9bfaa8fe9a5b602c382519a4e92d32308
- SSDEEP 3072:NBN4X387WVR/qLu6e2aaQ5uzZueYXRLmC4XGAyPDmf21ATtbrr:TmJCLuvpa1seYQC4deQ
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4216-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4616-135-0x00000000048D0000-0x00000000048D9000-memory.dmp family_smokeloader behavioral2/memory/4216-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4216-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4616 set thread context of 4216 4616 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 4216 file.exe 4216 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 4216 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4616 wrote to memory of 4216 4616 file.exe 80 PID 4616 wrote to memory of 4216 4616 file.exe 80 PID 4616 wrote to memory of 4216 4616 file.exe 80 PID 4616 wrote to memory of 4216 4616 file.exe 80 PID 4616 wrote to memory of 4216 4616 file.exe 80 PID 4616 wrote to memory of 4216 4616 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:4616 -
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:4216
-