Analysis
- max time kernel
188s - max time network
193s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
03/10/2022, 08:06
Static task
static1
Behavioral task
behavioral1
Sample
dc8fc2af8ee44281b06c649e93556e1d.exe
Resource
win7-20220901-en
windows7-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
dc8fc2af8ee44281b06c649e93556e1d.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
7 signatures
150 seconds
General
- Target dc8fc2af8ee44281b06c649e93556e1d.exe
- Size 133KB
- Sample221003-jzfm2aedc7
- SHA256 3b27cb347865bcc539b7faad94c6ed0d383e2fec84f2ec6c5d32bfb83ba03def
- MD5 dc8fc2af8ee44281b06c649e93556e1d
- SHA1 b34f8049d382830170e846e5ce3184974e619d9b
- SHA512 a29e0adb7a1f81adb205cc75f3c90cbe0d7bcad88b1cb78784b24e12129c3bd1ac1873d8db69465a9fc372c0bd39c3a1bcc9b3f7a382c5f3c52bae4744227786
- SSDEEP 3072:anqHM7ORN5z60H+/6GKLoehSVVq+5ixgyTG:HZokZ7YZ5iCyT
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 2 IoCs
resource yara_rule behavioral2/memory/4140-133-0x0000000000600000-0x0000000000609000-memory.dmp family_smokeloader behavioral2/memory/4140-136-0x0000000000600000-0x0000000000609000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Executes dropped EXE 1 IoCs
pid Process 3696 hetetcf - Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI hetetcf Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI hetetcf Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI dc8fc2af8ee44281b06c649e93556e1d.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI dc8fc2af8ee44281b06c649e93556e1d.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI dc8fc2af8ee44281b06c649e93556e1d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI hetetcf - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4140 dc8fc2af8ee44281b06c649e93556e1d.exe 4140 dc8fc2af8ee44281b06c649e93556e1d.exe 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found 2204 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2204 Process not Found - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 4140 dc8fc2af8ee44281b06c649e93556e1d.exe 3696 hetetcf
Processes
-
C:\Users\Admin\AppData\Local\Temp\dc8fc2af8ee44281b06c649e93556e1d.exe"C:\Users\Admin\AppData\Local\Temp\dc8fc2af8ee44281b06c649e93556e1d.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4140
-
C:\Users\Admin\AppData\Roaming\hetetcfC:\Users\Admin\AppData\Roaming\hetetcf1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:3696
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\hetetcf
- Size 133KB
- SHA256 3b27cb347865bcc539b7faad94c6ed0d383e2fec84f2ec6c5d32bfb83ba03def
- MD5 dc8fc2af8ee44281b06c649e93556e1d
- SHA1 b34f8049d382830170e846e5ce3184974e619d9b
- SHA512 a29e0adb7a1f81adb205cc75f3c90cbe0d7bcad88b1cb78784b24e12129c3bd1ac1873d8db69465a9fc372c0bd39c3a1bcc9b3f7a382c5f3c52bae4744227786
- SSDEEP 3072:anqHM7ORN5z60H+/6GKLoehSVVq+5ixgyTG:HZokZ7YZ5iCyT
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\hetetcf
- Size 133KB
- SHA256 3b27cb347865bcc539b7faad94c6ed0d383e2fec84f2ec6c5d32bfb83ba03def
- MD5 dc8fc2af8ee44281b06c649e93556e1d
- SHA1 b34f8049d382830170e846e5ce3184974e619d9b
- SHA512 a29e0adb7a1f81adb205cc75f3c90cbe0d7bcad88b1cb78784b24e12129c3bd1ac1873d8db69465a9fc372c0bd39c3a1bcc9b3f7a382c5f3c52bae4744227786
- SSDEEP 3072:anqHM7ORN5z60H+/6GKLoehSVVq+5ixgyTG:HZokZ7YZ5iCyT
- MD5 SHA1 SHA512 SSDEEP