Analysis
- max time kernel
150s - max time network
33s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system - submitted
08/02/2023, 16:50
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 322KB
- Sample230208-vb9fzscd2z
- SHA256 b95ff65f77bf2ba3c5798631f03f0eb956c14e5273dcf6e84f38e7d99e2be7e6
- MD5 09dea05dcb186025318ff8a7ba05bafc
- SHA1 dd2b3c5412215e6f04ee5633d941ee36a2d01278
- SHA512 320b791fed48871bb066d2c6dda47b51621a5aee8b7ee84b44b63bc53f0bb21770ceb0c49d122f04ec0a48aca107f7336dcd7f7c2999c4cf25f4f79bc68e10bb
- SSDEEP 3072:VPgcr2ddxR9gyneFlqXhk8zzkOdjb/oKeRS+SS8FEnVFJsWQDiuLpnM6uv:VLgrFnUlq3z460kSkscLiqM7v
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/2032-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/2032-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1728-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/2032-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/2032-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1728 set thread context of 2032 1728 file.exe 28 - 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 2032 file.exe 2032 file.exe 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1264 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2032 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1728 wrote to memory of 2032 1728 file.exe 28 PID 1728 wrote to memory of 2032 1728 file.exe 28 PID 1728 wrote to memory of 2032 1728 file.exe 28 PID 1728 wrote to memory of 2032 1728 file.exe 28 PID 1728 wrote to memory of 2032 1728 file.exe 28 PID 1728 wrote to memory of 2032 1728 file.exe 28 PID 1728 wrote to memory of 2032 1728 file.exe 28
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:1728 -
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:2032
-