Analysis
- max time kernel
150s - max time network
123s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
09/01/2023, 10:38
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
10 signatures
150 seconds
General
- Target file.exe
- Size 327KB
- Sample230109-mpdmgadh46
- SHA256 ff1f9e2d1b10598b714f4b0d574b6eba270919f95161da705b40185fffd4a7fa
- MD5 9cc90f86e3ce984d87bd131b6bd23a06
- SHA1 d1715241a661371a26a347e7c4317f1cf440d512
- SHA512 da89f0f005b65840942a058875f95fe18b375cc00e40b95f96494c58a1566f5a9b11a1baf0d79e138a8324a2aeeef5dcf33001f056541ab6e301881e03c452ce
- SSDEEP 6144:8haFLyUSiGKPZauHoH8gcued790h7++g:8haFGU7Zar8tuCuZ++g
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 6 IoCs
resource yara_rule behavioral2/memory/1296-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4244-135-0x0000000002190000-0x0000000002199000-memory.dmp family_smokeloader behavioral2/memory/1296-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1296-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2804-144-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2804-145-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Executes dropped EXE 2 IoCs
pid Process 2808 tdwwwcs 2804 tdwwwcs - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 4244 set thread context of 1296 4244 file.exe 83 PID 2808 set thread context of 2804 2808 tdwwwcs 89 - 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 tdwwwcs Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI tdwwwcs Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI tdwwwcs - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1296 file.exe 1296 file.exe 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 700 Process not Found - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 1296 file.exe 2804 tdwwwcs - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 700 Process not Found Token: SeCreatePagefilePrivilege 700 Process not Found - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 4244 wrote to memory of 1296 4244 file.exe 83 PID 4244 wrote to memory of 1296 4244 file.exe 83 PID 4244 wrote to memory of 1296 4244 file.exe 83 PID 4244 wrote to memory of 1296 4244 file.exe 83 PID 4244 wrote to memory of 1296 4244 file.exe 83 PID 4244 wrote to memory of 1296 4244 file.exe 83 PID 2808 wrote to memory of 2804 2808 tdwwwcs 89 PID 2808 wrote to memory of 2804 2808 tdwwwcs 89 PID 2808 wrote to memory of 2804 2808 tdwwwcs 89 PID 2808 wrote to memory of 2804 2808 tdwwwcs 89 PID 2808 wrote to memory of 2804 2808 tdwwwcs 89 PID 2808 wrote to memory of 2804 2808 tdwwwcs 89
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:4244 -
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:1296
-
-
C:\Users\Admin\AppData\Roaming\tdwwwcsC:\Users\Admin\AppData\Roaming\tdwwwcs1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2808 -
C:\Users\Admin\AppData\Roaming\tdwwwcsC:\Users\Admin\AppData\Roaming\tdwwwcs2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:2804
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\tdwwwcs
- Size 327KB
- SHA256 ff1f9e2d1b10598b714f4b0d574b6eba270919f95161da705b40185fffd4a7fa
- MD5 9cc90f86e3ce984d87bd131b6bd23a06
- SHA1 d1715241a661371a26a347e7c4317f1cf440d512
- SHA512 da89f0f005b65840942a058875f95fe18b375cc00e40b95f96494c58a1566f5a9b11a1baf0d79e138a8324a2aeeef5dcf33001f056541ab6e301881e03c452ce
- SSDEEP 6144:8haFLyUSiGKPZauHoH8gcued790h7++g:8haFGU7Zar8tuCuZ++g
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\tdwwwcs
- Size 327KB
- SHA256 ff1f9e2d1b10598b714f4b0d574b6eba270919f95161da705b40185fffd4a7fa
- MD5 9cc90f86e3ce984d87bd131b6bd23a06
- SHA1 d1715241a661371a26a347e7c4317f1cf440d512
- SHA512 da89f0f005b65840942a058875f95fe18b375cc00e40b95f96494c58a1566f5a9b11a1baf0d79e138a8324a2aeeef5dcf33001f056541ab6e301881e03c452ce
- SSDEEP 6144:8haFLyUSiGKPZauHoH8gcued790h7++g:8haFGU7Zar8tuCuZ++g
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\tdwwwcs
- Size 327KB
- SHA256 ff1f9e2d1b10598b714f4b0d574b6eba270919f95161da705b40185fffd4a7fa
- MD5 9cc90f86e3ce984d87bd131b6bd23a06
- SHA1 d1715241a661371a26a347e7c4317f1cf440d512
- SHA512 da89f0f005b65840942a058875f95fe18b375cc00e40b95f96494c58a1566f5a9b11a1baf0d79e138a8324a2aeeef5dcf33001f056541ab6e301881e03c452ce
- SSDEEP 6144:8haFLyUSiGKPZauHoH8gcued790h7++g:8haFGU7Zar8tuCuZ++g
- MD5 SHA1 SHA512 SSDEEP