Analysis
- max time kernel
227s - max time network
268s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
16/01/2023, 07:39
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target file.exe
- Size 258KB
- Sample230116-jgyqwsfe2x
- SHA256 d23b2edc3eb4be75bd35f3c952cdbdbbdffda5f123891232f170dcaea9038b9a
- MD5 d99d1aebe61cf0a59338f1793a8dc1bf
- SHA1 e3436566365a631bd879690c668bae35653569a9
- SHA512 31625bc8f4daf9c4b8ae3afe607faf0bbfe5f6a2c60941ecfc754ed486b4fa6ff15cd4b4f36af7cf0bb1f84c92db703303f0c8509a46ecd0a776472b192a4e5d
- SSDEEP 6144:n0h3fdLPmTPTm3jLNQA5y4tSkU4zqQna:n0hFjmTTqVQUtSkFP
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/736-133-0x0000000002180000-0x0000000002189000-memory.dmp family_smokeloader behavioral2/memory/968-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/968-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/968-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 736 set thread context of 968 736 file.exe 78 - 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 968 file.exe 968 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 968 file.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 740 Process not Found Token: SeCreatePagefilePrivilege 740 Process not Found - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 736 wrote to memory of 968 736 file.exe 78 PID 736 wrote to memory of 968 736 file.exe 78 PID 736 wrote to memory of 968 736 file.exe 78 PID 736 wrote to memory of 968 736 file.exe 78 PID 736 wrote to memory of 968 736 file.exe 78 PID 736 wrote to memory of 968 736 file.exe 78
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:736 -
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:968
-