Analysis
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max time kernel
71s -
max time network
16s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
13-03-2021 11:37
Behavioral task
behavioral1
Sample
document-1467203121.xls
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
document-1467203121.xls
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
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Target
document-1467203121.xls
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Size
138KB
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MD5
9c2ddb1d8786b31a33b6b29819001dc2
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SHA1
1e31002ae8fef5ce967bb0f8bf2df2549b82a9ac
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SHA256
6557493aa9a9cd2a19145a179e877b50f1c47e9d0f2280cac686260299d43da0
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SHA512
767233213fc73a35ec7f28e2ad4df0dace94c876d1dbf068309c3b7b2ee90cd24c81009f127735dbe9310c0d3d3d2639da6f1e0afd342e560eabfc0b53e967e9
Score
10/10
Malware Config
Extracted
Language
xlm4.0
Source
URLs
xlm40.dropper
http://ipok12bcame03shzpiq.xyz/i.gif
Signatures
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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 548 1820 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 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\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 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 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 Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel 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 -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 1820 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
EXCEL.EXEpid process 1820 EXCEL.EXE 1820 EXCEL.EXE 1820 EXCEL.EXE -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 1820 wrote to memory of 548 1820 EXCEL.EXE rundll32.exe PID 1820 wrote to memory of 548 1820 EXCEL.EXE rundll32.exe PID 1820 wrote to memory of 548 1820 EXCEL.EXE rundll32.exe PID 1820 wrote to memory of 548 1820 EXCEL.EXE rundll32.exe PID 1820 wrote to memory of 548 1820 EXCEL.EXE rundll32.exe PID 1820 wrote to memory of 548 1820 EXCEL.EXE rundll32.exe PID 1820 wrote to memory of 548 1820 EXCEL.EXE rundll32.exe
Processes
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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-1467203121.xls1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1820 -
C:\Windows\SysWOW64\rundll32.exerundll32 ..\zfbfg.ere,DllRegisterServer2⤵
- Process spawned unexpected child process
PID:548
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/332-5-0x000007FEF7F80000-0x000007FEF81FA000-memory.dmpFilesize
2.5MB
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memory/548-6-0x0000000000000000-mapping.dmp
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memory/548-7-0x0000000076191000-0x0000000076193000-memory.dmpFilesize
8KB
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memory/1820-2-0x000000002F451000-0x000000002F454000-memory.dmpFilesize
12KB
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memory/1820-3-0x0000000071811000-0x0000000071813000-memory.dmpFilesize
8KB
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memory/1820-4-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB