Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
21/11/2022, 03:59
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
windows7-x64
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
7 signatures
150 seconds
General
- Target file.exe
- Size 313KB
- Sample221121-ej3emsfd9x
- SHA256 2cfabc0bd120f9dd332ac07234e1f4fcd5ddfa60d55d84efbdd70a43dce21e88
- MD5 3ad2c5901930fc17f47147e9db4766f3
- SHA1 aeb68a30d7995120132c51cc33e681780805452b
- SHA512 a990f9d23f635074cd4f29cb292fb4ce3e95a6e935a8f0779cfe538371a3218dbe25513fc12b9e08aff3140edd78992b74243441c26cb2417fe6ad240bda32ba
- SSDEEP 6144:1JFGA1xwsWiV9GLaTDjjEkUwq+esMDmshnkf8+CwbG:rYA1xwTiflH8uT6zc8wG
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 1 IoCs
resource yara_rule behavioral2/memory/4924-133-0x00000000005B0000-0x00000000005B9000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Executes dropped EXE 1 IoCs
pid Process 3636 rwhbcvv - 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 rwhbcvv Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI rwhbcvv 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 rwhbcvv - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4924 file.exe 4924 file.exe 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found 1036 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1036 Process not Found - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 4924 file.exe 3636 rwhbcvv
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4924
-
C:\Users\Admin\AppData\Roaming\rwhbcvvC:\Users\Admin\AppData\Roaming\rwhbcvv1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:3636
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\rwhbcvv
- Size 313KB
- SHA256 2cfabc0bd120f9dd332ac07234e1f4fcd5ddfa60d55d84efbdd70a43dce21e88
- MD5 3ad2c5901930fc17f47147e9db4766f3
- SHA1 aeb68a30d7995120132c51cc33e681780805452b
- SHA512 a990f9d23f635074cd4f29cb292fb4ce3e95a6e935a8f0779cfe538371a3218dbe25513fc12b9e08aff3140edd78992b74243441c26cb2417fe6ad240bda32ba
- SSDEEP 6144:1JFGA1xwsWiV9GLaTDjjEkUwq+esMDmshnkf8+CwbG:rYA1xwTiflH8uT6zc8wG
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\rwhbcvv
- Size 313KB
- SHA256 2cfabc0bd120f9dd332ac07234e1f4fcd5ddfa60d55d84efbdd70a43dce21e88
- MD5 3ad2c5901930fc17f47147e9db4766f3
- SHA1 aeb68a30d7995120132c51cc33e681780805452b
- SHA512 a990f9d23f635074cd4f29cb292fb4ce3e95a6e935a8f0779cfe538371a3218dbe25513fc12b9e08aff3140edd78992b74243441c26cb2417fe6ad240bda32ba
- SSDEEP 6144:1JFGA1xwsWiV9GLaTDjjEkUwq+esMDmshnkf8+CwbG:rYA1xwTiflH8uT6zc8wG
- MD5 SHA1 SHA512 SSDEEP