Analysis
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max time kernel
150s -
max time network
137s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
06-05-2021 08:16
Static task
static1
Behavioral task
behavioral1
Sample
693df6e9_by_Libranalysis.doc
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
693df6e9_by_Libranalysis.doc
Resource
win10v20210410
windows10_x64
0 signatures
0 seconds
General
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Target
693df6e9_by_Libranalysis.doc
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Size
1.3MB
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MD5
693df6e9f5dc0cd3ed4c6ede503ce8bc
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SHA1
6cf0cdcae848f850a2c6aad0ebf1329c9801036c
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SHA256
371357b50b0b673d30e42f68d65987dd340e7eacd482c4a5fdbf0f12a2cb2bf6
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SHA512
b1209ffd96d58da26f629e45680b67ff851dcf080039fe0fa4be0f1e056940f5c4db274f49960ef587bb06c20ee58adc37840fcea2423405277831054480174d
Score
10/10
Malware Config
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\WINWORD.EXE is not expected to spawn this process 760 1948 rundll32.exe WINWORD.EXE -
Drops file in Windows directory 1 IoCs
Processes:
WINWORD.EXEdescription ioc process File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.EXE -
Office loads VBA resources, possible macro or embedded object present
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Processes:
WINWORD.EXEdescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt WINWORD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" WINWORD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
WINWORD.EXEpid process 1948 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 7 IoCs
Processes:
WINWORD.EXEpid process 1948 WINWORD.EXE 1948 WINWORD.EXE 1948 WINWORD.EXE 1948 WINWORD.EXE 1948 WINWORD.EXE 1948 WINWORD.EXE 1948 WINWORD.EXE -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
WINWORD.EXEdescription pid process target process PID 1948 wrote to memory of 1340 1948 WINWORD.EXE splwow64.exe PID 1948 wrote to memory of 1340 1948 WINWORD.EXE splwow64.exe PID 1948 wrote to memory of 1340 1948 WINWORD.EXE splwow64.exe PID 1948 wrote to memory of 1340 1948 WINWORD.EXE splwow64.exe PID 1948 wrote to memory of 760 1948 WINWORD.EXE rundll32.exe PID 1948 wrote to memory of 760 1948 WINWORD.EXE rundll32.exe PID 1948 wrote to memory of 760 1948 WINWORD.EXE rundll32.exe PID 1948 wrote to memory of 760 1948 WINWORD.EXE rundll32.exe PID 1948 wrote to memory of 760 1948 WINWORD.EXE rundll32.exe PID 1948 wrote to memory of 760 1948 WINWORD.EXE rundll32.exe PID 1948 wrote to memory of 760 1948 WINWORD.EXE rundll32.exe
Processes
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C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\693df6e9_by_Libranalysis.doc"1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1948 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:1340
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" c:\users\admin\appdata\roaming\microsoft\word\jers.dll,FYUKDXFVQIE2⤵
- Process spawned unexpected child process
PID:760
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/760-65-0x0000000000000000-mapping.dmp
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memory/760-66-0x0000000075511000-0x0000000075513000-memory.dmpFilesize
8KB
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memory/1340-63-0x0000000000000000-mapping.dmp
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memory/1340-64-0x000007FEFB7B1000-0x000007FEFB7B3000-memory.dmpFilesize
8KB
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memory/1948-60-0x00000000722B1000-0x00000000722B4000-memory.dmpFilesize
12KB
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memory/1948-61-0x000000006FD31000-0x000000006FD33000-memory.dmpFilesize
8KB
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memory/1948-62-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB