Analysis
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max time kernel
151s -
max time network
92s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
15-03-2021 02:18
Static task
static1
Behavioral task
behavioral1
Sample
Hoa don tien no/Noi dung chi tiet hoa don tien no gui chi Thuong . Cong hoa xa hoi chu nghia Viet Na.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
Hoa don tien no/Noi dung chi tiet hoa don tien no gui chi Thuong . Cong hoa xa hoi chu nghia Viet Na.exe
Resource
win10v20201028
Behavioral task
behavioral3
Sample
Hoa don tien no/wwlib.dll
Resource
win7v20201028
General
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Target
Hoa don tien no/Noi dung chi tiet hoa don tien no gui chi Thuong . Cong hoa xa hoi chu nghia Viet Na.exe
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Size
339KB
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MD5
ceaa5817a65e914aa178b28f12359a46
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SHA1
534a7ea9c67bab3e8f2d41977bf43d41dfe951cf
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SHA256
6c959cfb001fbb900958441dfd8b262fb33e052342948bab338775d3e83ef7f7
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SHA512
fef4c0b451d18a9eb73045b3ddcd44450294f06c616cc7175850e6315a6265bd077c8fd09782c486eea624145c7d4c18f8e00a94c0deb394900f9b3e70e60320
Malware Config
Signatures
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Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\Office.doc office_xlm_macros -
Drops file in Windows directory 1 IoCs
Processes:
WINWORD.EXEdescription ioc process File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.EXE -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" WINWORD.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" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote WINWORD.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" WINWORD.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" WINWORD.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" WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
WINWORD.EXEpid process 2004 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
WINWORD.EXEpid process 2004 WINWORD.EXE 2004 WINWORD.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
Noi dung chi tiet hoa don tien no gui chi Thuong . Cong hoa xa hoi chu nghia Viet Na.exedescription pid process target process PID 528 wrote to memory of 2004 528 Noi dung chi tiet hoa don tien no gui chi Thuong . Cong hoa xa hoi chu nghia Viet Na.exe WINWORD.EXE PID 528 wrote to memory of 2004 528 Noi dung chi tiet hoa don tien no gui chi Thuong . Cong hoa xa hoi chu nghia Viet Na.exe WINWORD.EXE PID 528 wrote to memory of 2004 528 Noi dung chi tiet hoa don tien no gui chi Thuong . Cong hoa xa hoi chu nghia Viet Na.exe WINWORD.EXE PID 528 wrote to memory of 2004 528 Noi dung chi tiet hoa don tien no gui chi Thuong . Cong hoa xa hoi chu nghia Viet Na.exe WINWORD.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\Hoa don tien no\Noi dung chi tiet hoa don tien no gui chi Thuong . Cong hoa xa hoi chu nghia Viet Na.exe"C:\Users\Admin\AppData\Local\Temp\Hoa don tien no\Noi dung chi tiet hoa don tien no gui chi Thuong . Cong hoa xa hoi chu nghia Viet Na.exe"1⤵
- Suspicious use of WriteProcessMemory
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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\Office.doc"2⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\Office.docMD5
76d0b64858e5772a13d44a4268bb1217
SHA139d0daedfb2af65dcbe88fa171d6100843c98c09
SHA25635444de65a359a2206eaf4dbf394582543088b196e1e88a1029bf7531125cc5b
SHA512bdae16ce85117eed1c25ce0a676b67a1754e8d2223d6f04216d6ec1aad77c98d9e30a9fa338fe051395e33e6d7043ef7e5572d03e9db64885e0efa99d279e20a
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memory/528-2-0x0000000075D01000-0x0000000075D03000-memory.dmpFilesize
8KB
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memory/528-5-0x0000000000200000-0x0000000000201000-memory.dmpFilesize
4KB
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memory/528-6-0x0000000000120000-0x0000000000121000-memory.dmpFilesize
4KB
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memory/528-11-0x0000000002DE0000-0x00000000037E0000-memory.dmpFilesize
10.0MB
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memory/1004-10-0x000007FEF7D40000-0x000007FEF7FBA000-memory.dmpFilesize
2.5MB
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memory/2004-3-0x0000000000000000-mapping.dmp
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memory/2004-4-0x0000000072F01000-0x0000000072F04000-memory.dmpFilesize
12KB
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memory/2004-7-0x0000000070981000-0x0000000070983000-memory.dmpFilesize
8KB
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memory/2004-8-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB