Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
14/01/2023, 08:43
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
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 261KB
- Sample230114-kmklwsdb22
- SHA256 8f336bb833fca86000fba68b38f0bcfee232c32dcff20ebd814513ac393ad273
- MD5 6fcf5477ab0733d5857375cefdcfdfbd
- SHA1 6b68a23ebe147659c917bbf5bf91b5d5523ffb33
- SHA512 4f7262e34259ac4d49f44300a40d6547ab493bdb9559b711f0b4dd46c5093dd61a7add1db7535ce590ecf73dabe077e2d2546f8afe6c9ba1562d7a6432dd69e9
- SSDEEP 3072:AVXmn7/sJ5pcFsxnMoAX+QKpOVeEFUKfx9Uyapb8pBI8jwWRjoV:GsEvxnMQkVeOupgpRjFE
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/448-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4352-135-0x00000000048E0000-0x00000000048E9000-memory.dmp family_smokeloader behavioral2/memory/448-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/448-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4352 set thread context of 448 4352 file.exe 86 - 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 448 file.exe 448 file.exe 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1036 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 448 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4352 wrote to memory of 448 4352 file.exe 86 PID 4352 wrote to memory of 448 4352 file.exe 86 PID 4352 wrote to memory of 448 4352 file.exe 86 PID 4352 wrote to memory of 448 4352 file.exe 86 PID 4352 wrote to memory of 448 4352 file.exe 86 PID 4352 wrote to memory of 448 4352 file.exe 86
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:4352 -
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:448
-