Analysis
- max time kernel
150s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
27/01/2023, 00:34
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
9 signatures
150 seconds
General
- Target file.exe
- Size 202KB
- Sample230127-awrrfshd2x
- SHA256 ece5c1360ca1b679e992c9a9a0ef93235d4bcb613ae9e08458ddbd972d7087ac
- MD5 54f15722e6a9c4901d48374526492f07
- SHA1 daa0033c9ea89bc2979e71ba4afd58269fd814c1
- SHA512 1ba5c40c3a0686bce1749a0daf6751180e59510db6d76676f1681e347a63288ef04723720658aec5932a984cebb399ad0b159628a442ff68f9ec2b8cf52f46f0
- SSDEEP 3072:IRBN3K7OUMub2CLogMZcm5rSjUHCoejfv+Zjz7XhpT4C+3K2nripDQCL+H:eZCLogMZcASAHlej2z7X52nri8H
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/456-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4628-135-0x0000000002D50000-0x0000000002D59000-memory.dmp family_smokeloader behavioral2/memory/456-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/456-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4628 set thread context of 456 4628 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 456 file.exe 456 file.exe 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found 1012 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1012 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 456 file.exe - Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeShutdownPrivilege 1012 Process not Found Token: SeCreatePagefilePrivilege 1012 Process not Found Token: SeShutdownPrivilege 1012 Process not Found Token: SeCreatePagefilePrivilege 1012 Process not Found Token: SeShutdownPrivilege 1012 Process not Found Token: SeCreatePagefilePrivilege 1012 Process not Found Token: SeShutdownPrivilege 1012 Process not Found Token: SeCreatePagefilePrivilege 1012 Process not Found - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4628 wrote to memory of 456 4628 file.exe 82 PID 4628 wrote to memory of 456 4628 file.exe 82 PID 4628 wrote to memory of 456 4628 file.exe 82 PID 4628 wrote to memory of 456 4628 file.exe 82 PID 4628 wrote to memory of 456 4628 file.exe 82 PID 4628 wrote to memory of 456 4628 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:4628 -
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:456
-