48bd8dbc9c457e8ebb476cc7dcf5cc03209584037bd6ef15410d4e5acb212828

General

Target
4374.xls
Size 41KB
Sample201112-3gtql274ws
SHA256 48bd8dbc9c457e8ebb476cc7dcf5cc03209584037bd6ef15410d4e5acb212828
MD5 532cbce1d7817fecec2630e6d53ce5a8
SHA1 547153200d78573914fd58bb75cf8fc02df5b723
SHA512 08d9027a3a56b3755f3a2143dd6a3e56d2309d64714332925557a67ddd8554e9b6c5828db7dc928d18817b0d419650458f82dd0f888607ab33dfd0bf7e199ce9
MD5 SHA1 SHA512

Score

10^/10

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1540	1128	reg.exe	24

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

Modify Registry

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\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-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1128	EXCEL.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1128	EXCEL.EXE

Suspicious use of SetWindowsHookEx 4 IoCs

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1128 wrote to memory of 1540	1128	EXCEL.EXE	29
PID 1128 wrote to memory of 1540	1128	EXCEL.EXE	29
PID 1128 wrote to memory of 1540	1128	EXCEL.EXE	29
PID 1128 wrote to memory of 1540	1128	EXCEL.EXE	29

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\4374.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1128
- C:\Windows\SysWOW64\reg.exe
  "C:\Windows\system32\reg.exe" EXPORT HKCU\Software\Microsoft\Office\14.0\Excel\Security C:\Users\Public\T93D.reg /y
  2⤵
  - Process spawned unexpected child process
  PID:1540