Analysis
- max time kernel
263s - max time network
320s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
24/11/2022, 16:51
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target file.exe
- Size 186KB
- Sample221124-vctrxsbd4v
- SHA256 9251e4d0d3f92f96f9484dc240ad5aecd74cd4ebe709fa609c60e6973057e28d
- MD5 746bacf7a1977e9cd4228989a0287862
- SHA1 ef4785397069ec19c0f7e60771a51d1949b05ea6
- SHA512 e36bf1ef8e5c5a5ca0c7d7b8c3d9a2ff0f08dfaa042e8ea9ea81fba8352d592095d9373e3189a7cfc2ca13b326ded7f98383fe93d8f2c86d87216324c1da6217
- SSDEEP 3072:eAsKG2vHpIrSWqLGd/+YlGB5kOcFKgHmqVC/64VykD9nDBE71MnT55P:KKAzqLGd/+85FKc+JBE76nTD
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/3724-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1052-135-0x0000000002240000-0x0000000002249000-memory.dmp family_smokeloader behavioral2/memory/3724-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3724-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1052 set thread context of 3724 1052 file.exe 84 - 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 3724 file.exe 3724 file.exe 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found 792 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 792 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3724 file.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 792 Process not Found Token: SeCreatePagefilePrivilege 792 Process not Found - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1052 wrote to memory of 3724 1052 file.exe 84 PID 1052 wrote to memory of 3724 1052 file.exe 84 PID 1052 wrote to memory of 3724 1052 file.exe 84 PID 1052 wrote to memory of 3724 1052 file.exe 84 PID 1052 wrote to memory of 3724 1052 file.exe 84 PID 1052 wrote to memory of 3724 1052 file.exe 84
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:1052 -
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:3724
-