Analysis
- max time kernel
171s - max time network
31s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system - submitted
05/12/2022, 20:16
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
9 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 274KB
- Sample221205-y145cafe21
- SHA256 c6a4c0ca310570442e19cd68cb3fbe18491f7b786032a72429bb3f3a22809462
- MD5 ddae1561ed6355dd974115e6f7eea2fe
- SHA1 8b2d63676f333716bd0653278098d0f989289a0b
- SHA512 3944898703f9940ebfd99a545f467ae616e346bfe69cf122919100fea099cb179ce08f97599080014ea07383a08f828e09578aaa63059031bc57c570e9c72984
- SSDEEP 3072:LXk2XVhx3IYYgmpBUzrcFWn5h92HftZgT1/umUUxTBIOgsG8iVRvJTcpnQ2puYgB:LXkeTFzrco9yDgHUUYLn8IDcy2oVS
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/944-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/2040-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/944-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/944-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/944-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2040 set thread context of 944 2040 file.exe 28 - 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 944 file.exe 944 file.exe 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found 1204 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1204 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 944 file.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeShutdownPrivilege 1204 Process not Found - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2040 wrote to memory of 944 2040 file.exe 28 PID 2040 wrote to memory of 944 2040 file.exe 28 PID 2040 wrote to memory of 944 2040 file.exe 28 PID 2040 wrote to memory of 944 2040 file.exe 28 PID 2040 wrote to memory of 944 2040 file.exe 28 PID 2040 wrote to memory of 944 2040 file.exe 28 PID 2040 wrote to memory of 944 2040 file.exe 28
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:2040 -
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:944
-