Analysis
- max time kernel
149s - max time network
33s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system - submitted
18/12/2022, 03:54
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
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 213KB
- Sample221218-ef76qaae65
- SHA256 6528c3b8874991471fa39cff9c8bb441891961a784ec8cb1e4d09c032044603f
- MD5 14077855d113cb2f3b011db5cd59bab4
- SHA1 59533fd02aad60dcdc69f3334984fde30ed205ca
- SHA512 f19e05e96cbb15a47336a0751a8b547490a4ae81a8b10baacb2bb5fdc898bc68090c9426e3cc72b4905582b004a657997876db1eaa86c4844e83481d80807ccd
- SSDEEP 3072:0G1gxMBkL3WhWZwRTxEWLPJVm3jDAdfFsz78/g3xo67G3ERWR3LV:pmxMkL3wWSxEWVVm3WFoog3C6KU0VB
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1692-55-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1692-56-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1640-59-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1692-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1692-61-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1640 set thread context of 1692 1640 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 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 1692 file.exe 1692 file.exe 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found 1232 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1232 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1692 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1640 wrote to memory of 1692 1640 file.exe 27 PID 1640 wrote to memory of 1692 1640 file.exe 27 PID 1640 wrote to memory of 1692 1640 file.exe 27 PID 1640 wrote to memory of 1692 1640 file.exe 27 PID 1640 wrote to memory of 1692 1640 file.exe 27 PID 1640 wrote to memory of 1692 1640 file.exe 27 PID 1640 wrote to memory of 1692 1640 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:1640 -
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:1692
-