Analysis
- max time kernel
150s - max time network
33s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system - submitted
01/01/2023, 02:56
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
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 239KB
- Sample230101-de16cabb42
- SHA256 93cc7e87a9079ea4c9b44788b3a388c34fe218dd9fc69cfe850e99dae89bfd5c
- MD5 4492f6419bf640ce36daf08bf737e417
- SHA1 905adf63d1c14d0613373ba06de5dbbaafce6358
- SHA512 5edb4822b3ddd2fd562d3dfbd695067184cc8b4aa54e8dcf66bd4e46c244c7c24faa27d9b111167e0db89aa5791785abd6c6475f89dd29d600a2c88645719157
- SSDEEP 3072:ftXSpO4CMLXmM3EKgs5MlaIYaVkuR1pZcWC0mqpoC27hZY:hqLfEKgboIxVkuR1pZ7CnM+ZY
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1416-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1416-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/624-58-0x00000000001B0000-0x00000000001B9000-memory.dmp family_smokeloader behavioral1/memory/1416-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1416-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 624 set thread context of 1416 624 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 queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1416 file.exe 1416 file.exe 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1264 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1416 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 624 wrote to memory of 1416 624 file.exe 28 PID 624 wrote to memory of 1416 624 file.exe 28 PID 624 wrote to memory of 1416 624 file.exe 28 PID 624 wrote to memory of 1416 624 file.exe 28 PID 624 wrote to memory of 1416 624 file.exe 28 PID 624 wrote to memory of 1416 624 file.exe 28 PID 624 wrote to memory of 1416 624 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:624 -
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:1416
-