Analysis
- max time kernel
157s - max time network
164s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
19/09/2022, 10:21
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 279KB
- Sample220919-mdm2rscch6
- SHA256 fb92589d5288b1a893ba3db3207a3ce2bab559e7b1cbfce7d5797524338e2336
- MD5 57b7da4146314ee3851927dd2e4823ca
- SHA1 1a6653cdd0a98eb3ec6b1bc38cc57d8f3e9a03ba
- SHA512 d00a237e1bb320bb7f98572e7b2f7b32fa9d5630031c7f6543e15c21cc6af5ec198e808520eba864f83834ce49b8d4a8eb72c7064477b353ba50a3a7d6ebda58
- SSDEEP 6144:FN2NWkILHM8SnRUfjs1I0EGoj/vigavwVf9:FN2NWP7M8eUkEGo+
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4676-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4760-135-0x0000000002180000-0x0000000002189000-memory.dmp family_smokeloader behavioral2/memory/4676-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4676-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4760 set thread context of 4676 4760 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 4676 file.exe 4676 file.exe 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found 2712 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2712 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4676 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4760 wrote to memory of 4676 4760 file.exe 80 PID 4760 wrote to memory of 4676 4760 file.exe 80 PID 4760 wrote to memory of 4676 4760 file.exe 80 PID 4760 wrote to memory of 4676 4760 file.exe 80 PID 4760 wrote to memory of 4676 4760 file.exe 80 PID 4760 wrote to memory of 4676 4760 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:4760 -
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:4676
-