Analysis
- max time kernel
150s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
24/01/2023, 14:00
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-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 176KB
- Sample230124-ra17faca73
- SHA256 ec4b8c7407dce9428bfe6752b90cfd9dafe91d83e238102bf310c6deaeb21a01
- MD5 297411e75bb6197050b1561200c9cbe7
- SHA1 42266b2364bc8c2b773592382677770ffacdca0f
- SHA512 f1597fc3ee3a29db25fa39905fedb35c591a709e32ae15f1492673fe5f52676a4464164ab49c9258500d8e3e555546fe8a2708e8c37cd4e1b3365239a8018f3b
- SSDEEP 3072:+BN2XJeaLW4pdEb5Yy92qfdQ2YjoBavs+xD3gUfhUHdD:S6LPpdE79nYXvB3+d
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4132-134-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4756-135-0x00000000048D0000-0x00000000048D9000-memory.dmp family_smokeloader behavioral2/memory/4132-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4132-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4756 set thread context of 4132 4756 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 4132 file.exe 4132 file.exe 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found 2616 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2616 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4132 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4756 wrote to memory of 4132 4756 file.exe 80 PID 4756 wrote to memory of 4132 4756 file.exe 80 PID 4756 wrote to memory of 4132 4756 file.exe 80 PID 4756 wrote to memory of 4132 4756 file.exe 80 PID 4756 wrote to memory of 4132 4756 file.exe 80 PID 4756 wrote to memory of 4132 4756 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:4756 -
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:4132
-