Analysis
- max time kernel
151s - max time network
39s - platform
windows7_x64 - resource
win7v20201028 - submitted
13/11/2020, 15:58
Static task
static1
Behavioral task
behavioral1
Sample
document-1351280579.xlsb
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
document-1351280579.xlsb
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
- Target document-1351280579.xlsb
- Size 291KB
- Sample201113-pqybvsfbds
- SHA256 9b925c5469277dfa5ac8b9d3406872568a2dc602821a9812b28bef7051aeef15
- MD5 bce7e049ab360b73e8841385f15555d7
- SHA1 498f586fef165746f887674af68c63cd369a4f20
- SHA512 d03ef0d22da2da46e0012d5d10377d19de54aace8354b721383d987c62d8c6587d66315cf318dfdcc1126ed97f1f0686ad19faa9e30b486921a9c750fd49ac25
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Family
-
smokeloader
Version
-
2020
C2
-
http://we11wdsgd.com/
rc4.i32
rc4.i32
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Executes dropped EXE 1 IoCs
pid Process 952 fwpxeohi.exe - Loads dropped DLL 3 IoCs
pid Process 1900 EXCEL.EXE 1900 EXCEL.EXE 952 fwpxeohi.exe - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI fwpxeohi.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI fwpxeohi.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI fwpxeohi.exe - Enumerates system info in registry 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE -
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1900 EXCEL.EXE - Suspicious behavior: EnumeratesProcesses 501 IoCs
pid Process 952 fwpxeohi.exe 952 fwpxeohi.exe 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 952 fwpxeohi.exe - Suspicious use of FindShellTrayWindow 4 IoCs
pid Process 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found - Suspicious use of SendNotifyMessage 4 IoCs
pid Process 1260 Process not Found 1260 Process not Found 1260 Process not Found 1260 Process not Found - Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 1900 EXCEL.EXE 1900 EXCEL.EXE 1900 EXCEL.EXE 1900 EXCEL.EXE 1900 EXCEL.EXE - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1900 wrote to memory of 952 1900 EXCEL.EXE 31 PID 1900 wrote to memory of 952 1900 EXCEL.EXE 31 PID 1900 wrote to memory of 952 1900 EXCEL.EXE 31 PID 1900 wrote to memory of 952 1900 EXCEL.EXE 31
Processes
-
C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\document-1351280579.xlsb1⤵
- Loads dropped DLL
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1900 -
C:\giogti\mpopqr\fwpxeohi.exe"C:\giogti\mpopqr\fwpxeohi.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:952
-