Analysis
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max time kernel
71s -
max time network
13s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
24-02-2021 05:45
Behavioral task
behavioral1
Sample
documents (79).xls
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
documents (79).xls
Resource
win10v20201028
windows10_x64
0 signatures
0 seconds
General
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Target
documents (79).xls
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Size
317KB
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MD5
83f047c8d6fd8f7bb4aa264ab9b7eb77
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SHA1
a92e398af146f092ee39c32a4be6c7875ca51a42
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SHA256
18a2d9d6fdd4d1551115ed1c6b224678798fd807ea4eae3d2c9f400c3132d543
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SHA512
f351a7d9ab66944ac36f65f8a1fcaddceedf9fe02a33d372af88b443a7bbd3ef9f64ab943046ab54b6cf49df83623aa25a75b1deab5cf5639cf00e9037e4a867
Score
10/10
Malware Config
Extracted
Language
xlm4.0
Source
URLs
xlm40.dropper
https://pricer.civilta.in/ds/1602.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 1628 1856 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-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel 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 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 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\Se&nd to OneNote 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 (int) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 1856 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 7 IoCs
Processes:
EXCEL.EXEpid process 1856 EXCEL.EXE 1856 EXCEL.EXE 1856 EXCEL.EXE 1856 EXCEL.EXE 1856 EXCEL.EXE 1856 EXCEL.EXE 1856 EXCEL.EXE -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 1856 wrote to memory of 1628 1856 EXCEL.EXE rundll32.exe PID 1856 wrote to memory of 1628 1856 EXCEL.EXE rundll32.exe PID 1856 wrote to memory of 1628 1856 EXCEL.EXE rundll32.exe PID 1856 wrote to memory of 1628 1856 EXCEL.EXE rundll32.exe PID 1856 wrote to memory of 1628 1856 EXCEL.EXE rundll32.exe PID 1856 wrote to memory of 1628 1856 EXCEL.EXE rundll32.exe PID 1856 wrote to memory of 1628 1856 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\documents (79).xls"1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32 ..\zdfb.zgz,DllRegisterServer2⤵
- Process spawned unexpected child process
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/1116-5-0x000007FEF67C0000-0x000007FEF6A3A000-memory.dmpFilesize
2.5MB
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memory/1628-6-0x0000000000000000-mapping.dmp
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memory/1628-7-0x00000000767E1000-0x00000000767E3000-memory.dmpFilesize
8KB
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memory/1856-2-0x000000002FAB1000-0x000000002FAB4000-memory.dmpFilesize
12KB
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memory/1856-3-0x00000000719D1000-0x00000000719D3000-memory.dmpFilesize
8KB
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memory/1856-4-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB