Analysis
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max time kernel
150s -
max time network
93s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
21-11-2020 22:31
Static task
static1
Behavioral task
behavioral1
Sample
acl firewall.rtf
Resource
win7v20201028
Behavioral task
behavioral2
Sample
acl firewall.rtf
Resource
win10v20201028
General
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Target
acl firewall.rtf
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Size
1KB
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MD5
a96fcc8367b78ab708a23e2426c2978d
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SHA1
5ad78c8ac5767a1d9687136dab8c966af5191bf6
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SHA256
0b96038a6be8251415277d6649e9c2393825379c16ef81c44c12bf0a14f48640
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SHA512
89becca4ea3c050827a86a299034126efa27d98b0705619a5eabb7ea7b67e22baff78731b7ba2e7f70623e5e3f64dc58fce6c02b6f44b25c241d6c26858334f2
Malware Config
Signatures
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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:
iexplore.exeiexplore.exeWINWORD.EXEIEXPLORE.EXEIEXPLORE.EXEdescription ioc process Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{07DE41E1-2C4A-11EB-8B2A-76BCB60B883E} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar WINWORD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3d0000003d000000c3040000a2020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\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-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{07FD33C1-2C4A-11EB-8B2A-76BCB60B883E} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
WINWORD.EXEpid process 1808 WINWORD.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
iexplore.exeiexplore.exepid process 736 iexplore.exe 2004 iexplore.exe -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
WINWORD.EXEiexplore.exeIEXPLORE.EXEiexplore.exeIEXPLORE.EXEpid process 1808 WINWORD.EXE 1808 WINWORD.EXE 736 iexplore.exe 736 iexplore.exe 1216 IEXPLORE.EXE 1216 IEXPLORE.EXE 2004 iexplore.exe 2004 iexplore.exe 904 IEXPLORE.EXE 904 IEXPLORE.EXE 904 IEXPLORE.EXE 904 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
WINWORD.EXEiexplore.exeiexplore.exedescription pid process target process PID 1808 wrote to memory of 368 1808 WINWORD.EXE splwow64.exe PID 1808 wrote to memory of 368 1808 WINWORD.EXE splwow64.exe PID 1808 wrote to memory of 368 1808 WINWORD.EXE splwow64.exe PID 1808 wrote to memory of 368 1808 WINWORD.EXE splwow64.exe PID 736 wrote to memory of 1216 736 iexplore.exe IEXPLORE.EXE PID 736 wrote to memory of 1216 736 iexplore.exe IEXPLORE.EXE PID 736 wrote to memory of 1216 736 iexplore.exe IEXPLORE.EXE PID 736 wrote to memory of 1216 736 iexplore.exe IEXPLORE.EXE PID 2004 wrote to memory of 904 2004 iexplore.exe IEXPLORE.EXE PID 2004 wrote to memory of 904 2004 iexplore.exe IEXPLORE.EXE PID 2004 wrote to memory of 904 2004 iexplore.exe IEXPLORE.EXE PID 2004 wrote to memory of 904 2004 iexplore.exe IEXPLORE.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\acl firewall.rtf"1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:736 CREDAT:340993 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2004 CREDAT:275457 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{07DE41E1-2C4A-11EB-8B2A-76BCB60B883E}.datMD5
c74f924f142233eb1fdbbf55619b1448
SHA196f4f86ce2164a27165b5106f82e1db5bb30900b
SHA25685abd88208b49d6229c3d9673d8addcaae185a46b63c5f5f9797376c213e4105
SHA5127095eac733123808ee906419ec85481ad988a65f4c84829116637728c8dc8f00b04aa4d4e4ca85aab7fc1cf74099f5413c39cba754c8db39d442b097df5756b2
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memory/368-0-0x0000000000000000-mapping.dmp
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memory/904-9-0x0000000000000000-mapping.dmp
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memory/1076-7-0x000007FEF7020000-0x000007FEF729A000-memory.dmpFilesize
2.5MB
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memory/1216-8-0x0000000000000000-mapping.dmp
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memory/1808-1-0x0000000000650000-0x0000000000651000-memory.dmpFilesize
4KB
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memory/1808-3-0x0000000000650000-0x0000000000651000-memory.dmpFilesize
4KB
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memory/1808-4-0x0000000000630000-0x0000000000631000-memory.dmpFilesize
4KB
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memory/1808-6-0x0000000004620000-0x0000000004624000-memory.dmpFilesize
16KB