Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
19/12/2022, 08:15
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
windows7-x64
7 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 307KB
- Sample221219-j5j8eaee86
- SHA256 f1e93555195dc47b7ff991b4d3b4673b36cbcda468ddaa8a07dcc77611490be5
- MD5 a96f0e58d628a02a12200abf12643c78
- SHA1 4db9eab18a5c16839aa6fa23668b04424a5ae688
- SHA512 6eabe50e226a8f77a1a1b501f5bcef7cc00a6685a313eb7b46342d1a6d83ad74b57f6dd61b13539a48d6afacabfdce18a6723a8653db1f7536662126c1b45156
- SSDEEP 6144:wYRDxLz6Y+mgD4keLizF56K0iPvzpQ6rFiaI:w036YXg/6KxnzpQ6rF
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/1404-133-0x00000000005A0000-0x00000000005A9000-memory.dmp family_smokeloader behavioral2/memory/4140-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4140-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4140-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1404 set thread context of 4140 1404 file.exe 80 - 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 4140 file.exe 4140 file.exe 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2492 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4140 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1404 wrote to memory of 4140 1404 file.exe 80 PID 1404 wrote to memory of 4140 1404 file.exe 80 PID 1404 wrote to memory of 4140 1404 file.exe 80 PID 1404 wrote to memory of 4140 1404 file.exe 80 PID 1404 wrote to memory of 4140 1404 file.exe 80 PID 1404 wrote to memory of 4140 1404 file.exe 80
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:1404 -
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:4140
-