Analysis
- max time kernel
152s - max time network
172s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
06/12/2022, 00:17
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 273KB
- Sample221206-ak2ghsdg8t
- SHA256 e4d943bf256f88198cc15cbbb46ba00ceef11727e1aa20d0374a4a4654a7990e
- MD5 0a96f7469d55c5d00ccc06d3f2042356
- SHA1 01735a933f814ec6b717db98fe6ffcea5738740c
- SHA512 adfa8ee690402c8496c3d44c3aba4546dec85cadcd554527dde5f3e2611f6f0af8fdf33045e4e44813fe127212cc1f519ba7532f0052b6372551de7b2a7b537d
- SSDEEP 3072:wBXVTbYRL/pPT82tND3CWR5+KnVTtXM6roxovs0k6qpbbaiVRvJTcpdNFYoYgV2R:wlW/i2TDxVTRFrVobbaIDcv/PVS
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4876-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1880-135-0x0000000000470000-0x0000000000479000-memory.dmp family_smokeloader behavioral2/memory/4876-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4876-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1880 set thread context of 4876 1880 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 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 file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4876 file.exe 4876 file.exe 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found 2348 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2348 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4876 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1880 wrote to memory of 4876 1880 file.exe 81 PID 1880 wrote to memory of 4876 1880 file.exe 81 PID 1880 wrote to memory of 4876 1880 file.exe 81 PID 1880 wrote to memory of 4876 1880 file.exe 81 PID 1880 wrote to memory of 4876 1880 file.exe 81 PID 1880 wrote to memory of 4876 1880 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:1880 -
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:4876
-