Analysis
- max time kernel
169s - max time network
175s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
22/11/2022, 09:38
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target file.exe
- Size 316KB
- Sample221122-ll2pfscd21
- SHA256 9c0e0ae8eefcaf100e64e3e27c5f3fa88298ddccdf0a4e8437d8ad3f322e40b7
- MD5 f0f277a1e9a333c5dbc610e63f79c8bb
- SHA1 ef08439fc7e94a808075609efda071d3175ae5c4
- SHA512 a65784f368cb66a996f188ca73afea93d12541b3b022539f85dce3a20f7b965f6c54d6efb868030733e6681625380d0bb59706cadd66bad98bf0b39715a68b98
- SSDEEP 6144:h2fgEwtwFIrqkbU2rCfcA4IpKjRY22tThsIeGjY6YML:ZtoGbU9UA4IpKtY22ZVEpML
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 1 IoCs
resource yara_rule behavioral2/memory/4788-133-0x0000000002050000-0x0000000002059000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Executes dropped EXE 1 IoCs
pid Process 3696 visjrvr - Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI visjrvr Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI visjrvr Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI visjrvr Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4788 file.exe 4788 file.exe 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2744 Process not Found - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 4788 file.exe 3696 visjrvr - Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 2744 Process not Found 2744 Process not Found 2744 Process not Found - Suspicious use of SendNotifyMessage 3 IoCs
pid Process 2744 Process not Found 2744 Process not Found 2744 Process not Found
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4788
-
C:\Users\Admin\AppData\Roaming\visjrvrC:\Users\Admin\AppData\Roaming\visjrvr1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:3696
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\visjrvr
- Size 316KB
- SHA256 9c0e0ae8eefcaf100e64e3e27c5f3fa88298ddccdf0a4e8437d8ad3f322e40b7
- MD5 f0f277a1e9a333c5dbc610e63f79c8bb
- SHA1 ef08439fc7e94a808075609efda071d3175ae5c4
- SHA512 a65784f368cb66a996f188ca73afea93d12541b3b022539f85dce3a20f7b965f6c54d6efb868030733e6681625380d0bb59706cadd66bad98bf0b39715a68b98
- SSDEEP 6144:h2fgEwtwFIrqkbU2rCfcA4IpKjRY22tThsIeGjY6YML:ZtoGbU9UA4IpKtY22ZVEpML
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\visjrvr
- Size 316KB
- SHA256 9c0e0ae8eefcaf100e64e3e27c5f3fa88298ddccdf0a4e8437d8ad3f322e40b7
- MD5 f0f277a1e9a333c5dbc610e63f79c8bb
- SHA1 ef08439fc7e94a808075609efda071d3175ae5c4
- SHA512 a65784f368cb66a996f188ca73afea93d12541b3b022539f85dce3a20f7b965f6c54d6efb868030733e6681625380d0bb59706cadd66bad98bf0b39715a68b98
- SSDEEP 6144:h2fgEwtwFIrqkbU2rCfcA4IpKjRY22tThsIeGjY6YML:ZtoGbU9UA4IpKtY22ZVEpML
- MD5 SHA1 SHA512 SSDEEP