Analysis
-
max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
25-01-2023 11:34
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
General
-
Target
file.exe
-
Size
341KB
-
MD5
33c79a1820ad98b718ea1e48f201b0e8
-
SHA1
4a6d33fa4ab829a07c59bf0f1451f84748e7d400
-
SHA256
5597dbb4b4d83b9cb7927bf58f1dd8e983589e8709c908c462c23a53db2987de
-
SHA512
a94cb2ae61f443f31f336a27db1a15e823da0021104aff49db2b7e05ec309dbf8da39ec8dadeae77d8669e42bf5ac95ecbd5cd6a2e4f4d33883c395d73be7e4e
-
SSDEEP
6144:PLAnew6Yy3XVWOEdqCcNjSOjq7VWRFBMolz90bVivVm:PcnB6YAXYIw7VWR5lzxv0
Malware Config
Signatures
-
Detects Smokeloader packer 4 IoCs
Processes:
resource yara_rule behavioral2/memory/2100-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2264-135-0x0000000002190000-0x0000000002199000-memory.dmp family_smokeloader behavioral2/memory/2100-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2100-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader -
SmokeLoader
Modular backdoor trojan in use since 2014.
-
Suspicious use of SetThreadContext 1 IoCs
Processes:
file.exedescription pid process target process PID 2264 set thread context of 2100 2264 file.exe file.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
file.exedescription 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
Processes:
file.exepid process 2100 file.exe 2100 file.exe 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 2720 -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
pid process 2720 -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
file.exepid process 2100 file.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
file.exedescription pid process target process PID 2264 wrote to memory of 2100 2264 file.exe file.exe PID 2264 wrote to memory of 2100 2264 file.exe file.exe PID 2264 wrote to memory of 2100 2264 file.exe file.exe PID 2264 wrote to memory of 2100 2264 file.exe file.exe PID 2264 wrote to memory of 2100 2264 file.exe file.exe PID 2264 wrote to memory of 2100 2264 file.exe file.exe
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
-
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
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/2100-132-0x0000000000000000-mapping.dmp
-
memory/2100-133-0x0000000000400000-0x0000000000409000-memory.dmpFilesize
36KB
-
memory/2100-136-0x0000000000400000-0x0000000000409000-memory.dmpFilesize
36KB
-
memory/2100-137-0x0000000000400000-0x0000000000409000-memory.dmpFilesize
36KB
-
memory/2264-134-0x000000000048E000-0x00000000004A3000-memory.dmpFilesize
84KB
-
memory/2264-135-0x0000000002190000-0x0000000002199000-memory.dmpFilesize
36KB