Analysis
- max time kernel
151s - max time network
42s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system - submitted
12/01/2023, 22:57
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
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 263KB
- Sample230112-2w85aabf67
- SHA256 84443ec8712f472f16f87ed7bf7c5576b2ba3ec4863faa08f742bad8d8a4e4ce
- MD5 51ccf62f8daea25aac2b3f265813c917
- SHA1 aca4d0317ddc2d450acbbf38c70fffdfd8139b56
- SHA512 b27ca245d29b421911b8219745472ed71df832e5f9a054b0ff696246bd441d1b2dde28ceda3186d85492b349fa15878cb9af5232b5db7b65421f1fc12541af46
- SSDEEP 3072:QXEIJLMq2sVrx3iQ5Uh3btbtdJoIVleLXjddYfQlPIXkMMNI2SqE0gMe5LRFYUES:Evv3iRhLtvJxCXjNyRM22ytwUR
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1428-55-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1952-57-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1952-56-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1952-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1952-61-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1428 set thread context of 1952 1428 file.exe 26 - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1952 file.exe 1952 file.exe 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1952 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1428 wrote to memory of 1952 1428 file.exe 26 PID 1428 wrote to memory of 1952 1428 file.exe 26 PID 1428 wrote to memory of 1952 1428 file.exe 26 PID 1428 wrote to memory of 1952 1428 file.exe 26 PID 1428 wrote to memory of 1952 1428 file.exe 26 PID 1428 wrote to memory of 1952 1428 file.exe 26 PID 1428 wrote to memory of 1952 1428 file.exe 26
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:1428 -
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:1952
-