Analysis
- max time kernel
150s - max time network
34s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system - submitted
10/01/2023, 16:15
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 279KB
- Sample230110-tp7zmsgf28
- SHA256 12c2c39100d7d51ee16cb9ba01539f4fc12de5c7bb16c3d80b65f2a9f5222dab
- MD5 75101af98c258dfc02e20292a941d6a0
- SHA1 ebd1414e460cfc07386e2944a317157654211a3f
- SHA512 a52d783e7eaef2a7bb5e2081da6a4643078e632ba40f4d14fb39d678d1e9e2a0cb1777542b9529d82291d1d3f9f379b5e5769963dcbb21619129104d63d697b0
- SSDEEP 3072:YBnXESmJu4GzLh5VlFf/CI0l5UMmWIAZRsK4mgc1XaErLDdlM78g2m4FwCpjKpE9:YBUu4MLft/CI0fmWHWoKKhSJnEmQLr
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/956-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/956-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1348-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/956-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/956-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1348 set thread context of 956 1348 file.exe 28 - 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 956 file.exe 956 file.exe 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1268 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 956 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1348 wrote to memory of 956 1348 file.exe 28 PID 1348 wrote to memory of 956 1348 file.exe 28 PID 1348 wrote to memory of 956 1348 file.exe 28 PID 1348 wrote to memory of 956 1348 file.exe 28 PID 1348 wrote to memory of 956 1348 file.exe 28 PID 1348 wrote to memory of 956 1348 file.exe 28 PID 1348 wrote to memory of 956 1348 file.exe 28
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:1348 -
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:956
-