Analysis
- max time kernel
150s - max time network
45s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system - submitted
09/01/2023, 10:38
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
win10v2004-20221111-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target file.exe
- Size 327KB
- Sample230109-mpdmgadh46
- SHA256 ff1f9e2d1b10598b714f4b0d574b6eba270919f95161da705b40185fffd4a7fa
- MD5 9cc90f86e3ce984d87bd131b6bd23a06
- SHA1 d1715241a661371a26a347e7c4317f1cf440d512
- SHA512 da89f0f005b65840942a058875f95fe18b375cc00e40b95f96494c58a1566f5a9b11a1baf0d79e138a8324a2aeeef5dcf33001f056541ab6e301881e03c452ce
- SSDEEP 6144:8haFLyUSiGKPZauHoH8gcued790h7++g:8haFGU7Zar8tuCuZ++g
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1524-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1524-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1944-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1524-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1524-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1944 set thread context of 1524 1944 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 1524 file.exe 1524 file.exe 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found 1288 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1524 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1944 wrote to memory of 1524 1944 file.exe 27 PID 1944 wrote to memory of 1524 1944 file.exe 27 PID 1944 wrote to memory of 1524 1944 file.exe 27 PID 1944 wrote to memory of 1524 1944 file.exe 27 PID 1944 wrote to memory of 1524 1944 file.exe 27 PID 1944 wrote to memory of 1524 1944 file.exe 27 PID 1944 wrote to memory of 1524 1944 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:1944 -
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:1524
-