Analysis
- max time kernel
150s - max time network
49s - platform
windows7_x64 - resource
win7-20220901-en - resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system - submitted
22/12/2022, 04:38
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
win10v2004-20221111-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target file.exe
- Size 228KB
- Sample221222-e9dh7sdh42
- SHA256 f32b45f52b74d6f4366cbe3316a6c0236cb25f851a704ee33edfa9e0d929d61b
- MD5 e0143094b2e79b6982f24adc25390231
- SHA1 ede56a09454c728ef81b6829f8d56859a018e97d
- SHA512 12c80d325c7f57bf8e503c1ccd6853a95c1ad8ca4f99caf302d4e2166759e186c440a44d652f8b4f39a25d275cd9531581e33aed66879c9706397069a9fa00f5
- SSDEEP 3072:Qt6FvLOyiL5i+GbuM8PRiPW7fdT2nPre+rMNCjg2/N4xMc9p+3LJVn:m+vLh8GbuMIoWf12DfMNCs2/NGELJV
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/952-55-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/952-56-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/996-59-0x0000000000230000-0x0000000000239000-memory.dmp family_smokeloader behavioral1/memory/952-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/952-61-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 996 set thread context of 952 996 file.exe 27 - 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 952 file.exe 952 file.exe 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found 1304 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1304 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 952 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 996 wrote to memory of 952 996 file.exe 27 PID 996 wrote to memory of 952 996 file.exe 27 PID 996 wrote to memory of 952 996 file.exe 27 PID 996 wrote to memory of 952 996 file.exe 27 PID 996 wrote to memory of 952 996 file.exe 27 PID 996 wrote to memory of 952 996 file.exe 27 PID 996 wrote to memory of 952 996 file.exe 27
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:996 -
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:952
-