Analysis
- max time kernel
151s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
30/01/2023, 11:44
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
10 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 192KB
- Sample230130-nv55caab93
- SHA256 d079dac729e34c347f918499f86a2d5a9dadac825fa268de6c401e66682fcdea
- MD5 8eebe85bf2bccdf18b553687fda8ab55
- SHA1 3ff118561867ea4734410841d2e1639220fa4459
- SHA512 2f925a3dd0ee4d15ac4df59b85a38313165c8ecdf242dfd5036762b84fc4075593e205494ec6c300d0c04e423ac83da2dbdd30f571c5a2530f5da5a3aa4b275c
- SSDEEP 3072:UBNF9chLG+VUHie5LWXtlni6M6XgwyAGhJQSwI:sELrUHisqtlnPXgw8SSwI
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/524-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1352-135-0x00000000048D0000-0x00000000048D9000-memory.dmp family_smokeloader behavioral2/memory/524-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/524-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1352 set thread context of 524 1352 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 524 file.exe 524 file.exe 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2560 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 524 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1352 wrote to memory of 524 1352 file.exe 80 PID 1352 wrote to memory of 524 1352 file.exe 80 PID 1352 wrote to memory of 524 1352 file.exe 80 PID 1352 wrote to memory of 524 1352 file.exe 80 PID 1352 wrote to memory of 524 1352 file.exe 80 PID 1352 wrote to memory of 524 1352 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:1352 -
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:524
-