Analysis
- max time kernel
150s - max time network
70s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system - submitted
05/12/2022, 10:38
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target file.exe
- Size 200KB
- Sample221205-mpd81abd92
- SHA256 0eb2a571c5059cbfba0d7fbd6f04d4f5c24513a9be4253239f656ec3c60a31ec
- MD5 fb6cb22871e0de9614228806294cc188
- SHA1 9f5fe9c923c5bda320f249e183811afd83f01f55
- SHA512 09b276eb62d9066c8c0ee6b92b2452f9b07e757221b5d054aa9a86cb2ff56456358ac70f8aad7a7d542309cf66fba0adae43fd417059b661f459eff3cb6f3289
- SSDEEP 3072:OdNWmNjEOiei5AMXGaqX3wMX8CGSDFhTDw02rwEINA+z:AiiMXAZvc02sEINA+
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1224-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1224-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1032-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1224-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1224-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1032 set thread context of 1224 1032 file.exe 28 - 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 1224 file.exe 1224 file.exe 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1224 file.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1232 Process not Found 1232 Process not Found - Suspicious use of SendNotifyMessage 2 IoCs
pid Process 1232 Process not Found 1232 Process not Found - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1032 wrote to memory of 1224 1032 file.exe 28 PID 1032 wrote to memory of 1224 1032 file.exe 28 PID 1032 wrote to memory of 1224 1032 file.exe 28 PID 1032 wrote to memory of 1224 1032 file.exe 28 PID 1032 wrote to memory of 1224 1032 file.exe 28 PID 1032 wrote to memory of 1224 1032 file.exe 28 PID 1032 wrote to memory of 1224 1032 file.exe 28
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:1032 -
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:1224
-