Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system - submitted
12/11/2022, 15:59
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220901-en
8 signatures
150 seconds
General
- Target file.exe
- Size 199KB
- Sample221112-te21msge92
- SHA256 0822cfa871a2cd3a732d80c8abc30f42475e3b74fd868e22ac36aa435b3cd83a
- MD5 d2a2b66145d426e073bb90f9dfbf4360
- SHA1 0074c6d3e0a22d86c0673504036db6e2b73f0494
- SHA512 6926d30e039cc1e37375cf3e4178c64d6250883f67c2ff9dcab11a946b01dc9d99486f531fe4cb38e28eaaf5c1e7f285eb52053ad2e92315046374508dcf27af
- SSDEEP 3072:OV8X18/Vron2JtYL54e67Q/nRaVUxDU9OuMbjixIECNWsGqrdzQxHj:OW17nzLOeAksV4uyhlNgqrdy
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 1 IoCs
resource yara_rule behavioral2/memory/4884-134-0x0000000000600000-0x0000000000609000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Executes dropped EXE 1 IoCs
pid Process 4276 gtairbw - Checks SCSI registry key(s) 3 TTPs 6 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI gtairbw Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI gtairbw Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI gtairbw - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4884 file.exe 4884 file.exe 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found 3004 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3004 Process not Found - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 4884 file.exe 4276 gtairbw - Suspicious use of AdjustPrivilegeToken 20 IoCs
description pid Process Token: SeShutdownPrivilege 3004 Process not Found Token: SeCreatePagefilePrivilege 3004 Process not Found Token: SeShutdownPrivilege 3004 Process not Found Token: SeCreatePagefilePrivilege 3004 Process not Found Token: SeShutdownPrivilege 3004 Process not Found Token: SeCreatePagefilePrivilege 3004 Process not Found Token: SeShutdownPrivilege 3004 Process not Found Token: SeCreatePagefilePrivilege 3004 Process not Found Token: SeShutdownPrivilege 3004 Process not Found Token: SeCreatePagefilePrivilege 3004 Process not Found Token: SeShutdownPrivilege 3004 Process not Found Token: SeCreatePagefilePrivilege 3004 Process not Found Token: SeShutdownPrivilege 3004 Process not Found Token: SeCreatePagefilePrivilege 3004 Process not Found Token: SeShutdownPrivilege 3004 Process not Found Token: SeCreatePagefilePrivilege 3004 Process not Found Token: SeShutdownPrivilege 3004 Process not Found Token: SeCreatePagefilePrivilege 3004 Process not Found Token: SeShutdownPrivilege 3004 Process not Found Token: SeCreatePagefilePrivilege 3004 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:4884
-
C:\Users\Admin\AppData\Roaming\gtairbwC:\Users\Admin\AppData\Roaming\gtairbw1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:4276
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\gtairbw
- Size 199KB
- SHA256 0822cfa871a2cd3a732d80c8abc30f42475e3b74fd868e22ac36aa435b3cd83a
- MD5 d2a2b66145d426e073bb90f9dfbf4360
- SHA1 0074c6d3e0a22d86c0673504036db6e2b73f0494
- SHA512 6926d30e039cc1e37375cf3e4178c64d6250883f67c2ff9dcab11a946b01dc9d99486f531fe4cb38e28eaaf5c1e7f285eb52053ad2e92315046374508dcf27af
- SSDEEP 3072:OV8X18/Vron2JtYL54e67Q/nRaVUxDU9OuMbjixIECNWsGqrdzQxHj:OW17nzLOeAksV4uyhlNgqrdy
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\gtairbw
- Size 199KB
- SHA256 0822cfa871a2cd3a732d80c8abc30f42475e3b74fd868e22ac36aa435b3cd83a
- MD5 d2a2b66145d426e073bb90f9dfbf4360
- SHA1 0074c6d3e0a22d86c0673504036db6e2b73f0494
- SHA512 6926d30e039cc1e37375cf3e4178c64d6250883f67c2ff9dcab11a946b01dc9d99486f531fe4cb38e28eaaf5c1e7f285eb52053ad2e92315046374508dcf27af
- SSDEEP 3072:OV8X18/Vron2JtYL54e67Q/nRaVUxDU9OuMbjixIECNWsGqrdzQxHj:OW17nzLOeAksV4uyhlNgqrdy
- MD5 SHA1 SHA512 SSDEEP