Analysis
- max time kernel
152s - max time network
174s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
03/12/2022, 22:30
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
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 336KB
- Sample221203-2etm9sfa8s
- SHA256 7ebf75397b289571aeb79ba79966b577adf79375e8ec31c31ce18037e7bc8646
- MD5 6d6cda36668f5c560b99806b66d032a6
- SHA1 f51d2ec852ddbc4ae17aa6bc3173d0171667af15
- SHA512 cfed4151fcc6911b8e56d026a70d9b72e9958932d9828306e089c0448033bbdcc77600398c66f153cf138fa1383c9acc45ec67ef1455e1038f15baffd24ac0b1
- SSDEEP 3072:PwBNXChTTY95XmTfaI0/oHdOETVQtEnQqkJ4LGnWNTC6NRMHnlXWmxLhhppHYDrE:gWkH2fZdOE5QtYa1nMW2RqnBLhrY
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4720-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4228-135-0x0000000000030000-0x0000000000039000-memory.dmp family_smokeloader behavioral2/memory/4720-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4720-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4228 set thread context of 4720 4228 file.exe 87 - 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 4720 file.exe 4720 file.exe 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found 2732 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2732 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4720 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4228 wrote to memory of 4720 4228 file.exe 87 PID 4228 wrote to memory of 4720 4228 file.exe 87 PID 4228 wrote to memory of 4720 4228 file.exe 87 PID 4228 wrote to memory of 4720 4228 file.exe 87 PID 4228 wrote to memory of 4720 4228 file.exe 87 PID 4228 wrote to memory of 4720 4228 file.exe 87
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:4228 -
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:4720
-