Analysis
- max time kernel
151s - max time network
43s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system - submitted
01/01/2023, 06:59
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
10 signatures
150 seconds
General
- Target file.exe
- Size 239KB
- Sample230101-hr3bdsbc62
- SHA256 054f347ab633e3bf0e5fbe1d232dbb061abc3a9e75f705055217618b2ecc2ccb
- MD5 c306610ddf9de71aea5684884ab5ee06
- SHA1 c86d39dce7bcca7d67afb2e44346c22b30557e8f
- SHA512 712c4c58a84ff9f099196e9cdc4fac701e684bf602ca35eda354f3c251e3a8b41d74e9eb9c0cedb8fa185f8117b6dbf4ff477d80faa647317aa7c78bdb4baf08
- SSDEEP 3072:yXR042LPBgKswW75o0AZq5E2x0pHSEzqIvLQmqYRq27hZY:y8LTswz0AZq5EZkuPFHZY
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/696-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/696-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1504-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/696-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/696-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1504 set thread context of 696 1504 file.exe 26 - 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 696 file.exe 696 file.exe 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found 1396 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 696 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1504 wrote to memory of 696 1504 file.exe 26 PID 1504 wrote to memory of 696 1504 file.exe 26 PID 1504 wrote to memory of 696 1504 file.exe 26 PID 1504 wrote to memory of 696 1504 file.exe 26 PID 1504 wrote to memory of 696 1504 file.exe 26 PID 1504 wrote to memory of 696 1504 file.exe 26 PID 1504 wrote to memory of 696 1504 file.exe 26
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:1504 -
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:696
-