Analysis
- max time kernel
156s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
10/02/2023, 21:33
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
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 385KB
- Sample230210-1d79laeb55
- SHA256 b898a56f3b1c8f2a4aa3bad1e7f0251433708f4207ef41dc6561d679ab9db044
- MD5 46f84a2ad2e1046b6d6dc419f85aa6ff
- SHA1 cd646a39a8ac14a6df4f8d3bf5a3ae8c4f7b00d7
- SHA512 925b439ecd360edf575485884f245ba62cc82623a623bb659b25f0f2d8d3c4a6a6289c18918663534cbf2b995c8c7d519f0001a0174566cc5394be3b694f5725
- SSDEEP 3072:LjrqBi4MOe55aPQdrzc3u44t6lA4V2Cz1eRZiZB6Xm+9nf6NsZSQ2UU1:LXsUaCcit6ljp9AXpnfWISQ
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/3116-133-0x0000000000590000-0x0000000000599000-memory.dmp family_smokeloader behavioral2/memory/3932-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3932-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3932-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3116 set thread context of 3932 3116 file.exe 79 - 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 3932 file.exe 3932 file.exe 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found 2704 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2704 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3932 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3116 wrote to memory of 3932 3116 file.exe 79 PID 3116 wrote to memory of 3932 3116 file.exe 79 PID 3116 wrote to memory of 3932 3116 file.exe 79 PID 3116 wrote to memory of 3932 3116 file.exe 79 PID 3116 wrote to memory of 3932 3116 file.exe 79 PID 3116 wrote to memory of 3932 3116 file.exe 79
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:3116 -
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:3932
-