Analysis
- max time kernel
152s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system - submitted
04/12/2022, 01:50
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
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 341KB
- Sample221204-b9f3jsfe94
- SHA256 1edd8db235cabec2d9fe4e5aca0bb9ad59477132df1087e9fc8032432e4c576d
- MD5 dd0d8d051b3e5527a118ddc0c8be9d26
- SHA1 29b0f5e3b70f7d8793e24eaa527d09ee44dfff26
- SHA512 012189654bbe5147a91763006085b4514146f904f27935979c95092fa4e7f702b02a49dc516cc7ab0760131e9426cfda84ba122c3a03ca34edabc722ed24c8db
- SSDEEP 6144:tXoOB1CmngHNwRrxPoinXQTEnMW2Rqn2RnY:tXoOrCigHNwnginXQTKMW3OY
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/1508-136-0x0000000000030000-0x0000000000039000-memory.dmp family_smokeloader behavioral2/memory/5024-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/5024-140-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/5024-141-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1508 set thread context of 5024 1508 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 5024 file.exe 5024 file.exe 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found 3068 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3068 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 5024 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1508 wrote to memory of 5024 1508 file.exe 81 PID 1508 wrote to memory of 5024 1508 file.exe 81 PID 1508 wrote to memory of 5024 1508 file.exe 81 PID 1508 wrote to memory of 5024 1508 file.exe 81 PID 1508 wrote to memory of 5024 1508 file.exe 81 PID 1508 wrote to memory of 5024 1508 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:1508 -
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:5024
-