Analysis
- max time kernel
151s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
08/01/2023, 16:11
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 265KB
- Sample230108-tmx2naea59
- SHA256 b8ae17f62f71d508d89092e203f285c2e132e0e6df869d278d0807a196e4c3c9
- MD5 8cd697c534e8dfe97c94f6725ea1db8e
- SHA1 a601d54a53215ed2ad49b6325771de1fd7de77d2
- SHA512 175cd315b26b252ad12f2a87ceb708290c196c69652a8957e3ea94e775490028e018ccf74c811ea7f635eca49617183bca302ed9dd62b1ecb80a732552faaab4
- SSDEEP 3072:+Xh8xqYwLKb+WOFPPO5p+j9j1UlOPtxdVgd/rgvikDEibwfpxOICUZNTKXWPr0s0:GaWLKoFPPslOPbdiJg6QEQwftOuN
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4924-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2268-135-0x0000000002D60000-0x0000000002D69000-memory.dmp family_smokeloader behavioral2/memory/4924-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4924-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2268 set thread context of 4924 2268 file.exe 81 - Checks SCSI registry key(s) 3 TTPs 3 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 file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4924 file.exe 4924 file.exe 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found 2220 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2220 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4924 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2268 wrote to memory of 4924 2268 file.exe 81 PID 2268 wrote to memory of 4924 2268 file.exe 81 PID 2268 wrote to memory of 4924 2268 file.exe 81 PID 2268 wrote to memory of 4924 2268 file.exe 81 PID 2268 wrote to memory of 4924 2268 file.exe 81 PID 2268 wrote to memory of 4924 2268 file.exe 81
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:2268 -
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:4924
-