Analysis
- max time kernel
150s - max time network
143s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
26/09/2022, 14:58
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
win10v2004-20220812-en
windows10-2004-x64
7 signatures
150 seconds
General
- Target file.exe
- Size 153KB
- Sample220926-sb53fsbbc4
- SHA256 757ec4bdfb9ded3d0d68b3c96760e145beb95aad33cbc07c205b591a9a8945ee
- MD5 6a9b2c3164f30f73c41a3da26f8ef936
- SHA1 b4ade644f1969cfc7920832afa7a7522643c1178
- SHA512 fcefdbc7339bc0d5f4497306da38cab4154ea850a5ebd8723d8cd9a4ece4aa2e869ece1ba693a9206a0a0912c9228ec868bd52263465a7a69f00e41866b9514b
- SSDEEP 3072:OWmQTF5+IEfAHTTGIS2CfBEyc11Blcassxn5B:EzfAH/w1Tc1N7x
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 1 IoCs
resource yara_rule behavioral2/memory/2796-133-0x0000000000710000-0x0000000000719000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Executes dropped EXE 1 IoCs
pid Process 3108 rdisfrs - 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 rdisfrs 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 rdisfrs Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI rdisfrs - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2796 file.exe 2796 file.exe 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found 2416 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2416 Process not Found - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 2796 file.exe 3108 rdisfrs
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:2796
-
C:\Users\Admin\AppData\Roaming\rdisfrsC:\Users\Admin\AppData\Roaming\rdisfrs1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:3108
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\rdisfrs
- Size 153KB
- SHA256 757ec4bdfb9ded3d0d68b3c96760e145beb95aad33cbc07c205b591a9a8945ee
- MD5 6a9b2c3164f30f73c41a3da26f8ef936
- SHA1 b4ade644f1969cfc7920832afa7a7522643c1178
- SHA512 fcefdbc7339bc0d5f4497306da38cab4154ea850a5ebd8723d8cd9a4ece4aa2e869ece1ba693a9206a0a0912c9228ec868bd52263465a7a69f00e41866b9514b
- SSDEEP 3072:OWmQTF5+IEfAHTTGIS2CfBEyc11Blcassxn5B:EzfAH/w1Tc1N7x
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\rdisfrs
- Size 153KB
- SHA256 757ec4bdfb9ded3d0d68b3c96760e145beb95aad33cbc07c205b591a9a8945ee
- MD5 6a9b2c3164f30f73c41a3da26f8ef936
- SHA1 b4ade644f1969cfc7920832afa7a7522643c1178
- SHA512 fcefdbc7339bc0d5f4497306da38cab4154ea850a5ebd8723d8cd9a4ece4aa2e869ece1ba693a9206a0a0912c9228ec868bd52263465a7a69f00e41866b9514b
- SSDEEP 3072:OWmQTF5+IEfAHTTGIS2CfBEyc11Blcassxn5B:EzfAH/w1Tc1N7x
- MD5 SHA1 SHA512 SSDEEP