Analysis
- max time kernel
158s - max time network
143s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
29/01/2023, 15:58
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 297KB
- Sample230129-teg1gach76
- SHA256 d36e04b7e97df6bf7afb04da13ded9c37fde9bd093a137bdf7915d3059d8c177
- MD5 ada5607188364006b431253cedf33aac
- SHA1 e619b7cc8027a05871ac0387303e50af81f9b909
- SHA512 8d7d83f835bb8cad073d025ccf8a7ef737e093198daa326eb0bb2ef9c60edbcbaf69807fadb5d9873ab856e7a0ff3ad20d67fbe433d6a89a5416a45d97aec5ba
- SSDEEP 3072:2JLPfZjRQ+33CCSJSZ8CIld+66qheVCHVPF+9ea9MR4PDrOPSjsKFgAfpO:aLPhi+33Cu8lY66qheeQheEWaj3R
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 6 IoCs
resource yara_rule behavioral2/memory/2800-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1792-135-0x00000000021A0000-0x00000000021A9000-memory.dmp family_smokeloader behavioral2/memory/2800-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2800-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1272-144-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1272-145-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Executes dropped EXE 2 IoCs
pid Process 4992 vuubead 1272 vuubead - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1792 set thread context of 2800 1792 file.exe 80 PID 4992 set thread context of 1272 4992 vuubead 84 - Checks SCSI registry key(s) 3 TTPs 6 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI vuubead Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI vuubead Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI vuubead - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2800 file.exe 2800 file.exe 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found 2560 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2560 Process not Found - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 2800 file.exe 1272 vuubead - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 2560 Process not Found Token: SeCreatePagefilePrivilege 2560 Process not Found - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1792 wrote to memory of 2800 1792 file.exe 80 PID 1792 wrote to memory of 2800 1792 file.exe 80 PID 1792 wrote to memory of 2800 1792 file.exe 80 PID 1792 wrote to memory of 2800 1792 file.exe 80 PID 1792 wrote to memory of 2800 1792 file.exe 80 PID 1792 wrote to memory of 2800 1792 file.exe 80 PID 4992 wrote to memory of 1272 4992 vuubead 84 PID 4992 wrote to memory of 1272 4992 vuubead 84 PID 4992 wrote to memory of 1272 4992 vuubead 84 PID 4992 wrote to memory of 1272 4992 vuubead 84 PID 4992 wrote to memory of 1272 4992 vuubead 84 PID 4992 wrote to memory of 1272 4992 vuubead 84
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:1792 -
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:2800
-
-
C:\Users\Admin\AppData\Roaming\vuubeadC:\Users\Admin\AppData\Roaming\vuubead1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4992 -
C:\Users\Admin\AppData\Roaming\vuubeadC:\Users\Admin\AppData\Roaming\vuubead2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:1272
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\vuubead
- Size 297KB
- SHA256 d36e04b7e97df6bf7afb04da13ded9c37fde9bd093a137bdf7915d3059d8c177
- MD5 ada5607188364006b431253cedf33aac
- SHA1 e619b7cc8027a05871ac0387303e50af81f9b909
- SHA512 8d7d83f835bb8cad073d025ccf8a7ef737e093198daa326eb0bb2ef9c60edbcbaf69807fadb5d9873ab856e7a0ff3ad20d67fbe433d6a89a5416a45d97aec5ba
- SSDEEP 3072:2JLPfZjRQ+33CCSJSZ8CIld+66qheVCHVPF+9ea9MR4PDrOPSjsKFgAfpO:aLPhi+33Cu8lY66qheeQheEWaj3R
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\vuubead
- Size 297KB
- SHA256 d36e04b7e97df6bf7afb04da13ded9c37fde9bd093a137bdf7915d3059d8c177
- MD5 ada5607188364006b431253cedf33aac
- SHA1 e619b7cc8027a05871ac0387303e50af81f9b909
- SHA512 8d7d83f835bb8cad073d025ccf8a7ef737e093198daa326eb0bb2ef9c60edbcbaf69807fadb5d9873ab856e7a0ff3ad20d67fbe433d6a89a5416a45d97aec5ba
- SSDEEP 3072:2JLPfZjRQ+33CCSJSZ8CIld+66qheVCHVPF+9ea9MR4PDrOPSjsKFgAfpO:aLPhi+33Cu8lY66qheeQheEWaj3R
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\vuubead
- Size 297KB
- SHA256 d36e04b7e97df6bf7afb04da13ded9c37fde9bd093a137bdf7915d3059d8c177
- MD5 ada5607188364006b431253cedf33aac
- SHA1 e619b7cc8027a05871ac0387303e50af81f9b909
- SHA512 8d7d83f835bb8cad073d025ccf8a7ef737e093198daa326eb0bb2ef9c60edbcbaf69807fadb5d9873ab856e7a0ff3ad20d67fbe433d6a89a5416a45d97aec5ba
- SSDEEP 3072:2JLPfZjRQ+33CCSJSZ8CIld+66qheVCHVPF+9ea9MR4PDrOPSjsKFgAfpO:aLPhi+33Cu8lY66qheeQheEWaj3R
- MD5 SHA1 SHA512 SSDEEP