Analysis
- max time kernel
150s - max time network
51s - platform
windows7_x64 - resource
win7-20220901-en - resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system - submitted
02/01/2023, 15:09
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
win10v2004-20221111-en
windows10-2004-x64
12 signatures
150 seconds
General
- Target file.exe
- Size 210KB
- Sample230102-sjfgrsef88
- SHA256 011cbeac7f97ca796ba1de8b89a91556089b9a0f4e6f3adeb0b66b6b8cfa3d75
- MD5 07eadf81343c035a4ab9232805f7860e
- SHA1 47b4fce11694d8c68d95d412a996d47e28f4303c
- SHA512 0011eb2e3be123cdc81f24e833f0112d5ca65d59e2e228fcf2e8198b953f0004f9c8badc0601d1bcee366dc3f3fe632b0a3f08e185d4cc0a0ee7e44e68f8cc1e
- SSDEEP 3072:H3XMuWb7MLsx09Raw5cLdS7foyci6Am2IdIknCSDW6:HyQLVAXLI7ARy2CS
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/956-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/956-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/2016-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/956-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/956-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2016 set thread context of 956 2016 file.exe 27 - 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 956 file.exe 956 file.exe 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found 1220 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1220 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 956 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2016 wrote to memory of 956 2016 file.exe 27 PID 2016 wrote to memory of 956 2016 file.exe 27 PID 2016 wrote to memory of 956 2016 file.exe 27 PID 2016 wrote to memory of 956 2016 file.exe 27 PID 2016 wrote to memory of 956 2016 file.exe 27 PID 2016 wrote to memory of 956 2016 file.exe 27 PID 2016 wrote to memory of 956 2016 file.exe 27
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:2016 -
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:956
-