Analysis
- max time kernel
165s - max time network
173s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
12/02/2023, 12:34
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 188KB
- Sample230212-prrm8add5t
- SHA256 0e5f0963d42bfd515cf3ca185eb9ab899e12e903a80e81766256ee3ff26d0d87
- MD5 0f1d7832a61f69b5d6434d3ab3fc29b9
- SHA1 b905e329f5ecf64d68801a2483a112d2d742fc04
- SHA512 8ed8596231708e7bfa1760b0ad6372970eb0fe12ce30184eeffe1c982ff630ddbbfebc205ad4f100cc7a0aab651f1e0f8dd9af3014b7916251ec7d193f698ea0
- SSDEEP 3072:J7Rr+rG7O56ZHILe5cyrGd89g5DBF9qrFReJ/RqU9DN7:9JL7FZoSz6ey9Q7evnx
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/2732-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2504-135-0x0000000000810000-0x0000000000819000-memory.dmp family_smokeloader behavioral2/memory/2732-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2732-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2504 set thread context of 2732 2504 file.exe 81 - 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 2732 file.exe 2732 file.exe 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found 2804 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2804 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2732 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2504 wrote to memory of 2732 2504 file.exe 81 PID 2504 wrote to memory of 2732 2504 file.exe 81 PID 2504 wrote to memory of 2732 2504 file.exe 81 PID 2504 wrote to memory of 2732 2504 file.exe 81 PID 2504 wrote to memory of 2732 2504 file.exe 81 PID 2504 wrote to memory of 2732 2504 file.exe 81
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:2504 -
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:2732
-