Analysis
- max time kernel
150s - max time network
135s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system - submitted
02/10/2022, 21:28
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
windows7-x64
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target file.exe
- Size 133KB
- Sample221002-1ba63scghj
- SHA256 d491d97206c0e0598e86d140c784733b8ff652f59056cf7eba2aff2bbece580a
- MD5 13776efc5b302f0929249e85c4618c0d
- SHA1 824052be544ce54f24262fc99c62e5363ba733b2
- SHA512 df679d6e6ae2976c628329f569662d194a256c91fc00285bc7b318c9859aa8b934fc2a769166ce7c2743722d253b4db5161a87de4a12784c46de1394c9389bfe
- SSDEEP 3072:rhPBsEORNlySOD+6SreMqvBYEidkLlKtJBD:0plySIEiiEZs7
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 1 IoCs
resource yara_rule behavioral2/memory/4920-133-0x00000000005F0000-0x00000000005F9000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Executes dropped EXE 1 IoCs
pid Process 3000 wrbddtf - Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI wrbddtf Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI wrbddtf Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI wrbddtf Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4920 file.exe 4920 file.exe 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3040 Process not Found - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 4920 file.exe 3000 wrbddtf - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeShutdownPrivilege 3040 Process not Found Token: SeCreatePagefilePrivilege 3040 Process not Found Token: SeShutdownPrivilege 3040 Process not Found Token: SeCreatePagefilePrivilege 3040 Process not Found - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3040 Process not Found 3040 Process not Found
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4920
-
C:\Users\Admin\AppData\Roaming\wrbddtfC:\Users\Admin\AppData\Roaming\wrbddtf1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:3000
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\wrbddtf
- Size 133KB
- SHA256 d491d97206c0e0598e86d140c784733b8ff652f59056cf7eba2aff2bbece580a
- MD5 13776efc5b302f0929249e85c4618c0d
- SHA1 824052be544ce54f24262fc99c62e5363ba733b2
- SHA512 df679d6e6ae2976c628329f569662d194a256c91fc00285bc7b318c9859aa8b934fc2a769166ce7c2743722d253b4db5161a87de4a12784c46de1394c9389bfe
- SSDEEP 3072:rhPBsEORNlySOD+6SreMqvBYEidkLlKtJBD:0plySIEiiEZs7
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\wrbddtf
- Size 133KB
- SHA256 d491d97206c0e0598e86d140c784733b8ff652f59056cf7eba2aff2bbece580a
- MD5 13776efc5b302f0929249e85c4618c0d
- SHA1 824052be544ce54f24262fc99c62e5363ba733b2
- SHA512 df679d6e6ae2976c628329f569662d194a256c91fc00285bc7b318c9859aa8b934fc2a769166ce7c2743722d253b4db5161a87de4a12784c46de1394c9389bfe
- SSDEEP 3072:rhPBsEORNlySOD+6SreMqvBYEidkLlKtJBD:0plySIEiiEZs7
- MD5 SHA1 SHA512 SSDEEP