Analysis
-
max time kernel
147s -
max time network
148s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
12-03-2021 19:52
Behavioral task
behavioral1
Sample
document-701815281.xls
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
document-701815281.xls
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
-
Target
document-701815281.xls
-
Size
138KB
-
MD5
7fd4cd71a382b758a29c57136d7262c5
-
SHA1
f3e3ae83a7a8a884c1a295f3a6d652020d672ff5
-
SHA256
5081fe0f1b118bb19cd4414caa1d47d14684d6e0bc575f04961f7d15be483cfb
-
SHA512
aef6ee3683634e796090f1b1eb63a3510071a769728d0e109e5225cb790b8bcab0a590d2ac8c0717a7a700225eb8d784ca374b3c8886ea5ba26d1e4891902caa
Score
10/10
Malware Config
Extracted
Language
xlm4.0
Source
URLs
xlm40.dropper
http://ipok12bcame03shzpiq.xyz/i.gif
Signatures
-
Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
rundll32.exedescription pid pid_target process target process Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1916 800 rundll32.exe EXCEL.EXE -
Enumerates system info in registry 2 TTPs 1 IoCs
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE -
Processes:
EXCEL.EXEdescription ioc process Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" 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 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 -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 800 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
EXCEL.EXEpid process 800 EXCEL.EXE 800 EXCEL.EXE 800 EXCEL.EXE -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 800 wrote to memory of 1916 800 EXCEL.EXE rundll32.exe PID 800 wrote to memory of 1916 800 EXCEL.EXE rundll32.exe PID 800 wrote to memory of 1916 800 EXCEL.EXE rundll32.exe PID 800 wrote to memory of 1916 800 EXCEL.EXE rundll32.exe PID 800 wrote to memory of 1916 800 EXCEL.EXE rundll32.exe PID 800 wrote to memory of 1916 800 EXCEL.EXE rundll32.exe PID 800 wrote to memory of 1916 800 EXCEL.EXE rundll32.exe
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-701815281.xls1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:800 -
C:\Windows\SysWOW64\rundll32.exerundll32 ..\zfbfg.ere,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:1916
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/800-2-0x000000002F9B1000-0x000000002F9B4000-memory.dmpFilesize
12KB
-
memory/800-3-0x0000000071B21000-0x0000000071B23000-memory.dmpFilesize
8KB
-
memory/800-4-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
-
memory/1916-6-0x0000000000000000-mapping.dmp
-
memory/1916-7-0x0000000076C21000-0x0000000076C23000-memory.dmpFilesize
8KB
-
memory/1968-5-0x000007FEF69C0000-0x000007FEF6C3A000-memory.dmpFilesize
2.5MB