Analysis
- max time kernel
150s - max time network
33s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system - submitted
01/02/2023, 05:54
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
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 225KB
- Sample230201-glvtpaca89
- SHA256 dc08b144cc58ad668a7d4759517cff50bcf4a3f466f4ab8e12e7540a74d549e3
- MD5 9f20f7842c480ffab72563e8673ae395
- SHA1 84aae97771be552032fcdbcd563b2c3462c0ca3d
- SHA512 435633d58fcb6a7f917d488d5bc4d77b752b5b3916a1635b6de838e932bc99ed37b8b131351bf5507097ced52a2ae30ac585f2aaa5aec9b3b0efc26c5003869d
- SSDEEP 6144:zWYgbgUbLYCg9ltakqpqJoLlu/UPzFXa:zWTLbr+lxJMu/o
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/2044-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/2044-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1712-58-0x0000000000230000-0x0000000000239000-memory.dmp family_smokeloader behavioral1/memory/2044-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/2044-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1712 set thread context of 2044 1712 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 2044 file.exe 2044 file.exe 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found 1252 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1252 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2044 file.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1712 wrote to memory of 2044 1712 file.exe 28 PID 1712 wrote to memory of 2044 1712 file.exe 28 PID 1712 wrote to memory of 2044 1712 file.exe 28 PID 1712 wrote to memory of 2044 1712 file.exe 28 PID 1712 wrote to memory of 2044 1712 file.exe 28 PID 1712 wrote to memory of 2044 1712 file.exe 28 PID 1712 wrote to memory of 2044 1712 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:1712 -
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:2044
-