Analysis
- max time kernel
150s - max time network
126s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
06/02/2023, 11:00
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 325KB
- Sample230206-m3z3made97
- SHA256 6f1f3839d7e13859938a0a46cd791ed9417f3d584c5ecd6f71a2cd4e24e89ee8
- MD5 ae3643e6e8bc04d8b90083c7d9000283
- SHA1 a9062e0eef4c532351f046169ee52e116fe24ce3
- SHA512 0ad410a4868218eb2217a71063eb288c9b23d2e25fd2a9ed992d1032a7a3f7934749b83cd6b4c8af799363e3e292bfefd3476efcc20b7c021fe32f08eaea2a4a
- SSDEEP 6144:+9LHvE0cy0LipHiR99T1CMVILuk6oFg55:+9zvEpL2HipT1xVILr9E
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/1140-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4492-135-0x00000000005F0000-0x00000000005F9000-memory.dmp family_smokeloader behavioral2/memory/1140-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1140-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4492 set thread context of 1140 4492 file.exe 82 - 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 1140 file.exe 1140 file.exe 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found 2696 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2696 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1140 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4492 wrote to memory of 1140 4492 file.exe 82 PID 4492 wrote to memory of 1140 4492 file.exe 82 PID 4492 wrote to memory of 1140 4492 file.exe 82 PID 4492 wrote to memory of 1140 4492 file.exe 82 PID 4492 wrote to memory of 1140 4492 file.exe 82 PID 4492 wrote to memory of 1140 4492 file.exe 82
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:4492 -
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:1140
-