Analysis
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max time kernel
150s -
max time network
136s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
15-01-2021 06:23
Static task
static1
Behavioral task
behavioral1
Sample
ZANTE V.072W.xlsx
Resource
win7v20201028
Behavioral task
behavioral2
Sample
ZANTE V.072W.xlsx
Resource
win10v20201028
General
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Target
ZANTE V.072W.xlsx
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Size
1.8MB
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MD5
af4139aae5a126f5aabc8958601f0266
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SHA1
10f6ed80521347047c40ae17e0765f34623d34d8
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SHA256
6052c399809ab174d76903fb8824418a8c5890f59564385434cd230f46087bfe
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SHA512
e447e519ca4a2b5aa52063100726dbe2300ce5b7bf143b35c7fb2b880d7d84e919998d82308c329613abfa04e2f6b4ce4e9295cedad6162795a48134af15bd62
Malware Config
Extracted
lokibot
http://blueriiver-eu.com/chief/offor/fre.php
http://kbfvzoboss.bid/alien/fre.php
http://alphastand.trade/alien/fre.php
http://alphastand.win/alien/fre.php
http://alphastand.top/alien/fre.php
Signatures
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Blocklisted process makes network request 1 IoCs
Processes:
EQNEDT32.EXEflow pid process 7 2040 EQNEDT32.EXE -
Executes dropped EXE 2 IoCs
Processes:
vbc.exevbc.exepid process 1512 vbc.exe 1660 vbc.exe -
Loads dropped DLL 4 IoCs
Processes:
EQNEDT32.EXEpid process 2040 EQNEDT32.EXE 2040 EQNEDT32.EXE 2040 EQNEDT32.EXE 2040 EQNEDT32.EXE -
Uses the VBS compiler for execution 1 TTPs
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Suspicious use of SetThreadContext 1 IoCs
Processes:
vbc.exedescription pid process target process PID 1512 set thread context of 1660 1512 vbc.exe vbc.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 -
Launches Equation Editor 1 TTPs 1 IoCs
Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.
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Processes:
EXCEL.EXEdescription ioc process Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt 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 (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\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 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 1008 EXCEL.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
vbc.exedescription pid process Token: SeDebugPrivilege 1660 vbc.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
EXCEL.EXEpid process 1008 EXCEL.EXE 1008 EXCEL.EXE 1008 EXCEL.EXE -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
EQNEDT32.EXEvbc.exedescription pid process target process PID 2040 wrote to memory of 1512 2040 EQNEDT32.EXE vbc.exe PID 2040 wrote to memory of 1512 2040 EQNEDT32.EXE vbc.exe PID 2040 wrote to memory of 1512 2040 EQNEDT32.EXE vbc.exe PID 2040 wrote to memory of 1512 2040 EQNEDT32.EXE vbc.exe PID 1512 wrote to memory of 1660 1512 vbc.exe vbc.exe PID 1512 wrote to memory of 1660 1512 vbc.exe vbc.exe PID 1512 wrote to memory of 1660 1512 vbc.exe vbc.exe PID 1512 wrote to memory of 1660 1512 vbc.exe vbc.exe PID 1512 wrote to memory of 1660 1512 vbc.exe vbc.exe PID 1512 wrote to memory of 1660 1512 vbc.exe vbc.exe PID 1512 wrote to memory of 1660 1512 vbc.exe vbc.exe PID 1512 wrote to memory of 1660 1512 vbc.exe vbc.exe PID 1512 wrote to memory of 1660 1512 vbc.exe vbc.exe PID 1512 wrote to memory of 1660 1512 vbc.exe vbc.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\ZANTE V.072W.xlsx"1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
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C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding1⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Launches Equation Editor
- Suspicious use of WriteProcessMemory
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C:\Users\Public\vbc.exe"C:\Users\Public\vbc.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Public\vbc.exe"C:\Users\Public\vbc.exe"3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Public\vbc.exeMD5
c31ead8d90b9c54c190ca138cd2676be
SHA159ee610052c95f4ba5215cdbf0ea4bad33d28815
SHA256e665d8433c9e96b567470eb29b4f2857911001759b66cafb40c1123befdaf458
SHA512b1e84eaf7d03810d3adfb6814ca4a4894aa8516ab80b13d7868bd56682382b2960848aa9f8d2f1b252de2658a29be1e991b3e3642fd9ff01e695a8f1146fbd72
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C:\Users\Public\vbc.exeMD5
c31ead8d90b9c54c190ca138cd2676be
SHA159ee610052c95f4ba5215cdbf0ea4bad33d28815
SHA256e665d8433c9e96b567470eb29b4f2857911001759b66cafb40c1123befdaf458
SHA512b1e84eaf7d03810d3adfb6814ca4a4894aa8516ab80b13d7868bd56682382b2960848aa9f8d2f1b252de2658a29be1e991b3e3642fd9ff01e695a8f1146fbd72
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C:\Users\Public\vbc.exeMD5
c31ead8d90b9c54c190ca138cd2676be
SHA159ee610052c95f4ba5215cdbf0ea4bad33d28815
SHA256e665d8433c9e96b567470eb29b4f2857911001759b66cafb40c1123befdaf458
SHA512b1e84eaf7d03810d3adfb6814ca4a4894aa8516ab80b13d7868bd56682382b2960848aa9f8d2f1b252de2658a29be1e991b3e3642fd9ff01e695a8f1146fbd72
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\Users\Public\vbc.exeMD5
c31ead8d90b9c54c190ca138cd2676be
SHA159ee610052c95f4ba5215cdbf0ea4bad33d28815
SHA256e665d8433c9e96b567470eb29b4f2857911001759b66cafb40c1123befdaf458
SHA512b1e84eaf7d03810d3adfb6814ca4a4894aa8516ab80b13d7868bd56682382b2960848aa9f8d2f1b252de2658a29be1e991b3e3642fd9ff01e695a8f1146fbd72
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\Users\Public\vbc.exeMD5
c31ead8d90b9c54c190ca138cd2676be
SHA159ee610052c95f4ba5215cdbf0ea4bad33d28815
SHA256e665d8433c9e96b567470eb29b4f2857911001759b66cafb40c1123befdaf458
SHA512b1e84eaf7d03810d3adfb6814ca4a4894aa8516ab80b13d7868bd56682382b2960848aa9f8d2f1b252de2658a29be1e991b3e3642fd9ff01e695a8f1146fbd72
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\Users\Public\vbc.exeMD5
c31ead8d90b9c54c190ca138cd2676be
SHA159ee610052c95f4ba5215cdbf0ea4bad33d28815
SHA256e665d8433c9e96b567470eb29b4f2857911001759b66cafb40c1123befdaf458
SHA512b1e84eaf7d03810d3adfb6814ca4a4894aa8516ab80b13d7868bd56682382b2960848aa9f8d2f1b252de2658a29be1e991b3e3642fd9ff01e695a8f1146fbd72
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\Users\Public\vbc.exeMD5
c31ead8d90b9c54c190ca138cd2676be
SHA159ee610052c95f4ba5215cdbf0ea4bad33d28815
SHA256e665d8433c9e96b567470eb29b4f2857911001759b66cafb40c1123befdaf458
SHA512b1e84eaf7d03810d3adfb6814ca4a4894aa8516ab80b13d7868bd56682382b2960848aa9f8d2f1b252de2658a29be1e991b3e3642fd9ff01e695a8f1146fbd72
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memory/1512-10-0x000000006C290000-0x000000006C97E000-memory.dmpFilesize
6.9MB
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memory/1512-11-0x0000000000A10000-0x0000000000A11000-memory.dmpFilesize
4KB
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memory/1512-13-0x00000000003C0000-0x00000000003D2000-memory.dmpFilesize
72KB
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memory/1512-14-0x0000000004CB0000-0x0000000004D03000-memory.dmpFilesize
332KB
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memory/1512-7-0x0000000000000000-mapping.dmp
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memory/1660-15-0x0000000000400000-0x00000000004A2000-memory.dmpFilesize
648KB
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memory/1660-16-0x00000000004139DE-mapping.dmp
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memory/1660-18-0x0000000000400000-0x00000000004A2000-memory.dmpFilesize
648KB
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memory/1972-2-0x000007FEF6050000-0x000007FEF62CA000-memory.dmpFilesize
2.5MB