Analysis
- max time kernel
150s - max time network
51s - platform
windows7_x64 - resource
win7-20220901-en - resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system - submitted
03/12/2022, 03:13
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-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 350KB
- Sample221203-dqqtraab79
- SHA256 6fb31cf347d33edf839bbbe40d74977b0e91ee7d08ed0feceb1cf46c518016d9
- MD5 f95421e5541f1fec8f2b754d203f76e5
- SHA1 4a3d0c19067f521717f4c3aef66fcefad84a86d1
- SHA512 fca1d3bb1f580f5dc1db08ac06d19341e4110c121e5e226c0a2e1b996b3ad1360b790ffd3a3af5dc84ab85e9ba6daea2e87a587d817988f4c86fef9bcab63708
- SSDEEP 6144:tVeIOXLx8CZAcRqEW/DxCvXw0DFk6IuRcj5j8:tU3X9ZA9xCvw0JRct
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1948-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1948-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1444-58-0x0000000000020000-0x0000000000029000-memory.dmp family_smokeloader behavioral1/memory/1948-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1948-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1444 set thread context of 1948 1444 file.exe 27 - 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 1948 file.exe 1948 file.exe 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1344 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1948 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1444 wrote to memory of 1948 1444 file.exe 27 PID 1444 wrote to memory of 1948 1444 file.exe 27 PID 1444 wrote to memory of 1948 1444 file.exe 27 PID 1444 wrote to memory of 1948 1444 file.exe 27 PID 1444 wrote to memory of 1948 1444 file.exe 27 PID 1444 wrote to memory of 1948 1444 file.exe 27 PID 1444 wrote to memory of 1948 1444 file.exe 27
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:1444 -
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:1948
-