Analysis
- max time kernel
150s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
25/01/2023, 10:59
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
6 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 341KB
- Sample230125-m3dvdsfg73
- SHA256 fe84fac0fd7c599ee46038fe54a9dc45eb4fac8fac8dc3ed84272b100f55652c
- MD5 250973815ae5ccaa0b928d111effe1d7
- SHA1 5e4f54161514a0c089e5f4d7e90cffb06bb8fbaa
- SHA512 ed54d84220a580f6b70df08308d89f5c272d9b1d9eb941f98228129f557fc168784fa7299c50a39dfcabd09b0753f163edb56844a5a505546251006e7cb07252
- SSDEEP 6144:uL32eg3D58Dw69VFutShtnzOjq7VWRFBMolz9095m:ur2x3in9VFuSHt7VWR5lz5
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 1 IoCs
resource yara_rule behavioral2/memory/4816-133-0x00000000005E0000-0x00000000005E9000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Executes dropped EXE 1 IoCs
pid Process 1380 efdvgww - 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 efdvgww Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI efdvgww Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI efdvgww - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4816 file.exe 4816 file.exe 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found 2744 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2744 Process not Found - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 4816 file.exe 1380 efdvgww
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:4816
-
C:\Users\Admin\AppData\Roaming\efdvgwwC:\Users\Admin\AppData\Roaming\efdvgww1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:1380
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\efdvgww
- Size 341KB
- SHA256 fe84fac0fd7c599ee46038fe54a9dc45eb4fac8fac8dc3ed84272b100f55652c
- MD5 250973815ae5ccaa0b928d111effe1d7
- SHA1 5e4f54161514a0c089e5f4d7e90cffb06bb8fbaa
- SHA512 ed54d84220a580f6b70df08308d89f5c272d9b1d9eb941f98228129f557fc168784fa7299c50a39dfcabd09b0753f163edb56844a5a505546251006e7cb07252
- SSDEEP 6144:uL32eg3D58Dw69VFutShtnzOjq7VWRFBMolz9095m:ur2x3in9VFuSHt7VWR5lz5
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\efdvgww
- Size 341KB
- SHA256 fe84fac0fd7c599ee46038fe54a9dc45eb4fac8fac8dc3ed84272b100f55652c
- MD5 250973815ae5ccaa0b928d111effe1d7
- SHA1 5e4f54161514a0c089e5f4d7e90cffb06bb8fbaa
- SHA512 ed54d84220a580f6b70df08308d89f5c272d9b1d9eb941f98228129f557fc168784fa7299c50a39dfcabd09b0753f163edb56844a5a505546251006e7cb07252
- SSDEEP 6144:uL32eg3D58Dw69VFutShtnzOjq7VWRFBMolz9095m:ur2x3in9VFuSHt7VWR5lz5
- MD5 SHA1 SHA512 SSDEEP