Analysis
- max time kernel
161s - max time network
164s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
02/12/2022, 13:10
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 348KB
- Sample221202-qed22aag54
- SHA256 04f27e176f192fca50a4192a4dcdfbd29cf79906ad89e4e08fd48563f1f35714
- MD5 9ec2e428451ed3f99807641adeea7f3d
- SHA1 5bd768f5514eb95cc66181ba74058d579bd17405
- SHA512 1b51c2139847176e9fd8fc7b86e3925d7a863d32db02592cc501bf683d79198721102bc5b5df552dabe44589afe878aa018042b669f5eaace1a61d663bb8ca69
- SSDEEP 6144:6tcbIqLqAmKcpPBppXTd5vA8TQFUuRjMgU:6tgpgKcVVTd5v+ZRQg
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/2304-133-0x0000000000030000-0x0000000000039000-memory.dmp family_smokeloader behavioral2/memory/1600-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1600-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1600-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2304 set thread context of 1600 2304 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 1600 file.exe 1600 file.exe 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3048 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1600 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2304 wrote to memory of 1600 2304 file.exe 80 PID 2304 wrote to memory of 1600 2304 file.exe 80 PID 2304 wrote to memory of 1600 2304 file.exe 80 PID 2304 wrote to memory of 1600 2304 file.exe 80 PID 2304 wrote to memory of 1600 2304 file.exe 80 PID 2304 wrote to memory of 1600 2304 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:2304 -
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:1600
-