Analysis
- max time kernel
150s - max time network
141s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
23/12/2022, 11:06
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 230KB
- Sample221223-m7ex9abe6v
- SHA256 1d139f3d12162f42764d46eb87311eaa42fa20db849cc5297ab8e90a8f8a89df
- MD5 4bbc2d6e64ce6f7e789734f7f7732761
- SHA1 0a835b9376c781d2f5f5108b37b58de178376eb0
- SHA512 ad33350a7d8ecb388077a9c779bab30882f18322809b5281c8e20196b4fbf0074f4f84657fdcc1ed88349525da2d91dec5b3d03e6d93cbe6e213a6e390ae5f86
- SSDEEP 3072:2BLIHyV5LYxAlxLCT/vQEw25uoKu+oukzMffuWBkOuRGK:KLIH/FT/vw25BukIfupjcK
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/1360-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4740-135-0x00000000005A0000-0x00000000005A9000-memory.dmp family_smokeloader behavioral2/memory/1360-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1360-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4740 set thread context of 1360 4740 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 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 1360 file.exe 1360 file.exe 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 740 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1360 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4740 wrote to memory of 1360 4740 file.exe 81 PID 4740 wrote to memory of 1360 4740 file.exe 81 PID 4740 wrote to memory of 1360 4740 file.exe 81 PID 4740 wrote to memory of 1360 4740 file.exe 81 PID 4740 wrote to memory of 1360 4740 file.exe 81 PID 4740 wrote to memory of 1360 4740 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:4740 -
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:1360
-