Analysis
- max time kernel
150s - max time network
46s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system - submitted
02/12/2022, 18:38
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target file.exe
- Size 349KB
- Sample221202-w92dpscf36
- SHA256 ec6338fe5c4c83839e0eddc69d4c0fcb9a2556c91ca06771ae502fa5a9318ab7
- MD5 d9b3e15487f4209bcc4a0fa76d608f28
- SHA1 412faed1700e653d52316f6072f1520b99f747b9
- SHA512 cd1ab1c4c25d801e51b8469474601edf468273a17d42e1a227d86aed21835a2284367d343a1f6c5cbd5ec4a45234b28bddb34cf0601f6843b11f6ea3c7774dad
- SSDEEP 6144:S29IOL5AiVEpPBpCiYAcfB7WYmezk1ekPuKlpuRjMgU:SclVVElCAQ9FXYXURQg
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/884-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/884-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/816-58-0x0000000000020000-0x0000000000029000-memory.dmp family_smokeloader behavioral1/memory/884-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/884-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 816 set thread context of 884 816 file.exe 27 - 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 884 file.exe 884 file.exe 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found 1284 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 884 file.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1284 Process not Found 1284 Process not Found - Suspicious use of SendNotifyMessage 2 IoCs
pid Process 1284 Process not Found 1284 Process not Found - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 816 wrote to memory of 884 816 file.exe 27 PID 816 wrote to memory of 884 816 file.exe 27 PID 816 wrote to memory of 884 816 file.exe 27 PID 816 wrote to memory of 884 816 file.exe 27 PID 816 wrote to memory of 884 816 file.exe 27 PID 816 wrote to memory of 884 816 file.exe 27 PID 816 wrote to memory of 884 816 file.exe 27
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:816 -
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:884
-