Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
17/12/2022, 05:54
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 214KB
- Sample221217-glv5fsba71
- SHA256 eb2aecc359c90decb5b85fabf575fb5334385ad5bb0f7f7e4bc4102146bf6707
- MD5 98e05327560802af7f00c03d4c0f5df6
- SHA1 2d38c88041232b33d07883c6e23809b6c15f6762
- SHA512 61ab08f79933aa7d815df70e2622b0479ff36f401e49cbb84290b7e12004963f131a6d1fb69f875e45c6dca5ef8ff63313b56aae43ef1caa41705693ef502dfb
- SSDEEP 3072:+6FDBLZEUswaTRjfbaaT+ElX0Qo0Y6SELszihGU/wA40zwUzQRKF+:XXLZEU0fbLT1lVov6SEgzcGxA40M2b
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/2200-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4016-135-0x00000000001F0000-0x00000000001F9000-memory.dmp family_smokeloader behavioral2/memory/2200-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2200-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4016 set thread context of 2200 4016 file.exe 79 - 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 2200 file.exe 2200 file.exe 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found 2824 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2824 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2200 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4016 wrote to memory of 2200 4016 file.exe 79 PID 4016 wrote to memory of 2200 4016 file.exe 79 PID 4016 wrote to memory of 2200 4016 file.exe 79 PID 4016 wrote to memory of 2200 4016 file.exe 79 PID 4016 wrote to memory of 2200 4016 file.exe 79 PID 4016 wrote to memory of 2200 4016 file.exe 79
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:4016 -
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:2200
-