Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system - submitted
17/01/2023, 02:58
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
win10v2004-20220901-en
windows10-2004-x64
10 signatures
150 seconds
General
- Target file.exe
- Size 229KB
- Sample230117-df6gfshd38
- SHA256 4e6daab832250f986b45eea1f814651b68ec3c69ade8c16a3482542cfdc8e4c8
- MD5 b913dc961bd98c9a1ec457f3d7259bfd
- SHA1 4deddd46c835849da8325e504a069eaac234a92b
- SHA512 d41ae928fd0ef89722cf758e8e2d11bb8835377fb433f5b9569d25b15735014850a440f54388ae5936631c3586803831e9ac6c6f2bbe73395bb4539d160aecbb
- SSDEEP 3072:JHZtg9ziLw7Ypsbr4XDdcHbzxGtWLIH767nwviuAmqJw3yIlFPbnDKyQ/uy0:ZZy92Lzs/4WXYgE76DMbAmqkhPbnDHX
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 6 IoCs
resource yara_rule behavioral2/memory/4848-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2016-135-0x0000000000570000-0x0000000000579000-memory.dmp family_smokeloader behavioral2/memory/4848-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4848-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4404-144-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4404-145-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Executes dropped EXE 2 IoCs
pid Process 3340 jiwgejj 4404 jiwgejj - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2016 set thread context of 4848 2016 file.exe 84 PID 3340 set thread context of 4404 3340 jiwgejj 90 - Checks SCSI registry key(s) 3 TTPs 6 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI jiwgejj Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI jiwgejj Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI jiwgejj - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4848 file.exe 4848 file.exe 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found 1040 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1040 Process not Found - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 4848 file.exe 4404 jiwgejj - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 1040 Process not Found Token: SeCreatePagefilePrivilege 1040 Process not Found - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2016 wrote to memory of 4848 2016 file.exe 84 PID 2016 wrote to memory of 4848 2016 file.exe 84 PID 2016 wrote to memory of 4848 2016 file.exe 84 PID 2016 wrote to memory of 4848 2016 file.exe 84 PID 2016 wrote to memory of 4848 2016 file.exe 84 PID 2016 wrote to memory of 4848 2016 file.exe 84 PID 3340 wrote to memory of 4404 3340 jiwgejj 90 PID 3340 wrote to memory of 4404 3340 jiwgejj 90 PID 3340 wrote to memory of 4404 3340 jiwgejj 90 PID 3340 wrote to memory of 4404 3340 jiwgejj 90 PID 3340 wrote to memory of 4404 3340 jiwgejj 90 PID 3340 wrote to memory of 4404 3340 jiwgejj 90
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:2016 -
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:4848
-
-
C:\Users\Admin\AppData\Roaming\jiwgejjC:\Users\Admin\AppData\Roaming\jiwgejj1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3340 -
C:\Users\Admin\AppData\Roaming\jiwgejjC:\Users\Admin\AppData\Roaming\jiwgejj2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:4404
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\jiwgejj
- Size 229KB
- SHA256 4e6daab832250f986b45eea1f814651b68ec3c69ade8c16a3482542cfdc8e4c8
- MD5 b913dc961bd98c9a1ec457f3d7259bfd
- SHA1 4deddd46c835849da8325e504a069eaac234a92b
- SHA512 d41ae928fd0ef89722cf758e8e2d11bb8835377fb433f5b9569d25b15735014850a440f54388ae5936631c3586803831e9ac6c6f2bbe73395bb4539d160aecbb
- SSDEEP 3072:JHZtg9ziLw7Ypsbr4XDdcHbzxGtWLIH767nwviuAmqJw3yIlFPbnDKyQ/uy0:ZZy92Lzs/4WXYgE76DMbAmqkhPbnDHX
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\jiwgejj
- Size 229KB
- SHA256 4e6daab832250f986b45eea1f814651b68ec3c69ade8c16a3482542cfdc8e4c8
- MD5 b913dc961bd98c9a1ec457f3d7259bfd
- SHA1 4deddd46c835849da8325e504a069eaac234a92b
- SHA512 d41ae928fd0ef89722cf758e8e2d11bb8835377fb433f5b9569d25b15735014850a440f54388ae5936631c3586803831e9ac6c6f2bbe73395bb4539d160aecbb
- SSDEEP 3072:JHZtg9ziLw7Ypsbr4XDdcHbzxGtWLIH767nwviuAmqJw3yIlFPbnDKyQ/uy0:ZZy92Lzs/4WXYgE76DMbAmqkhPbnDHX
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\jiwgejj
- Size 229KB
- SHA256 4e6daab832250f986b45eea1f814651b68ec3c69ade8c16a3482542cfdc8e4c8
- MD5 b913dc961bd98c9a1ec457f3d7259bfd
- SHA1 4deddd46c835849da8325e504a069eaac234a92b
- SHA512 d41ae928fd0ef89722cf758e8e2d11bb8835377fb433f5b9569d25b15735014850a440f54388ae5936631c3586803831e9ac6c6f2bbe73395bb4539d160aecbb
- SSDEEP 3072:JHZtg9ziLw7Ypsbr4XDdcHbzxGtWLIH767nwviuAmqJw3yIlFPbnDKyQ/uy0:ZZy92Lzs/4WXYgE76DMbAmqkhPbnDHX
- MD5 SHA1 SHA512 SSDEEP