Analysis
-
max time kernel
150s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
19/12/2022, 13:57
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
windows7-x64
7 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
311KB
-
MD5
a3e9a34b3e1d68596e51f02d08513770
-
SHA1
99359d2c661a8e79d82a18c514c19f0363051ac9
-
SHA256
d3fc0ab04fecceca3bbb31f10a6fc284d40b9ccaa412ac8b7ace0acb1964f7e9
-
SHA512
9ef4a5f09ea66ba930e8ebbeb78ae007979898e779fec2b64176a45566b42c02811520480644ca59bac20b365134527d8f3b044494ff0c2a106fbb8b547c62f2
-
SSDEEP
6144:sOzXLRUXtZx+Cwg8ssr66h9/jUH4rWlRjO1n:sOrlUXtZxhkdpj3rW9u
Score
10/10
Malware Config
Signatures
-
Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/1688-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4672-135-0x00000000005F0000-0x00000000005F9000-memory.dmp family_smokeloader behavioral2/memory/1688-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1688-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader -
SmokeLoader
Modular backdoor trojan in use since 2014.
-
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4672 set thread context of 1688 4672 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 enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1688 file.exe 1688 file.exe 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found 740 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 740 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1688 file.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4672 wrote to memory of 1688 4672 file.exe 82 PID 4672 wrote to memory of 1688 4672 file.exe 82 PID 4672 wrote to memory of 1688 4672 file.exe 82 PID 4672 wrote to memory of 1688 4672 file.exe 82 PID 4672 wrote to memory of 1688 4672 file.exe 82 PID 4672 wrote to memory of 1688 4672 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:4672 -
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:1688
-