Analysis
- max time kernel
150s - max time network
48s - platform
windows7_x64 - resource
win7-20220901-en - resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system - submitted
24/01/2023, 16:28
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
win10v2004-20220812-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target file.exe
- Size 176KB
- Sample230124-tym1tscf38
- SHA256 81bc08fabf2c6786e3c0c275e30b09e85d895ffc2ffdcdff7ca1b135b4f22fff
- MD5 9ce236fd0aca0ba9164b47b0aa057b6e
- SHA1 2f4b6bcc6ba9e95aff47af18b990be3aa436cfa1
- SHA512 c8fa9090f338b2c1908e29c4accca958bc32eaca554b027dcdd86713feb3bc0a32205c4009a8e9001f40ee43e9f003554222b5442176023e9ab8fa9a2e903996
- SSDEEP 3072:9lBN2HwQY33PLFFM2705ciehB/aFALU2hfgY1xycreBbe5FT8:txPL7H7p/BLNhd8creJe5F
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/972-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/972-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1812-58-0x0000000000230000-0x0000000000239000-memory.dmp family_smokeloader behavioral1/memory/972-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/972-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1812 set thread context of 972 1812 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 972 file.exe 972 file.exe 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1232 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 972 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1812 wrote to memory of 972 1812 file.exe 27 PID 1812 wrote to memory of 972 1812 file.exe 27 PID 1812 wrote to memory of 972 1812 file.exe 27 PID 1812 wrote to memory of 972 1812 file.exe 27 PID 1812 wrote to memory of 972 1812 file.exe 27 PID 1812 wrote to memory of 972 1812 file.exe 27 PID 1812 wrote to memory of 972 1812 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:1812 -
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:972
-