Analysis
- max time kernel
150s - max time network
125s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
24/12/2022, 03:44
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 226KB
- Sample221224-eagrkshe65
- SHA256 add8ed1db38b9313e89e6d105b64f220d751e786cca7e13bb9e1cc5b047fa3d8
- MD5 7958dc27912cc1b6235176501ebadb1d
- SHA1 ed19875d4242ccd687fba355e01b944ad2177cb7
- SHA512 c7525f7575978a5053b14338588cd90ae5d5b1b35c23fb674f12436f6016c5f7c835e70606b4e8a0d3610a936e03cd2f5de370fa8b2067617a144b8aa81bf04a
- SSDEEP 3072:D51+17LUncG5eJIE/5tEmwkhoYqxWU0JRPH8oSYDnbR3Y3Ox6qQo3:87LUcjJIE1wfnM8on7bxHk5o
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/3868-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4884-135-0x00000000005B0000-0x00000000005B9000-memory.dmp family_smokeloader behavioral2/memory/3868-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3868-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4884 set thread context of 3868 4884 file.exe 82 - 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 3868 file.exe 3868 file.exe 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found 2752 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2752 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3868 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4884 wrote to memory of 3868 4884 file.exe 82 PID 4884 wrote to memory of 3868 4884 file.exe 82 PID 4884 wrote to memory of 3868 4884 file.exe 82 PID 4884 wrote to memory of 3868 4884 file.exe 82 PID 4884 wrote to memory of 3868 4884 file.exe 82 PID 4884 wrote to memory of 3868 4884 file.exe 82
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:4884 -
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:3868
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