Analysis
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max time kernel
101s -
max time network
23s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
05-05-2021 14:07
Static task
static1
Behavioral task
behavioral1
Sample
cb1ae1de_by_Libranalysis.doc
Resource
win7v20210408
Behavioral task
behavioral2
Sample
cb1ae1de_by_Libranalysis.doc
Resource
win10v20210410
General
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Target
cb1ae1de_by_Libranalysis.doc
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Size
1.4MB
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MD5
cb1ae1de9487edd65c2201f1f4a36e3c
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SHA1
80cb89663d148dd302301e9f66b37d1c3de91a59
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SHA256
e6dff9a5f74fff3a95e2dcb48b81b05af5cf5be73823d56c10eee80c8f17c845
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SHA512
0b08cfac486dc87256ddbe467bc185ba96e71b3a6865a9fe1ad3390290166e528147e705267f02a8903dce28da3f99674c3d24d4d628d1ff5db7a9656f080fe6
Malware Config
Signatures
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Process spawned unexpected child process 5 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
cmd.execmd.execmd.execmd.execmd.exedescription pid pid_target process target process Parent C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE is not expected to spawn this process 1988 1796 cmd.exe WINWORD.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE is not expected to spawn this process 1944 1796 cmd.exe WINWORD.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE is not expected to spawn this process 1760 1796 cmd.exe WINWORD.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE is not expected to spawn this process 1352 1796 cmd.exe WINWORD.EXE Parent C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE is not expected to spawn this process 1032 1796 cmd.exe WINWORD.EXE -
Executes dropped EXE 1 IoCs
Processes:
DriverUpdateFx.exepid process 1496 DriverUpdateFx.exe -
Deletes itself 1 IoCs
Processes:
WINWORD.EXEpid process 1796 WINWORD.EXE -
Loads dropped DLL 1 IoCs
Processes:
cmd.exepid process 1352 cmd.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 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 (int) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" 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 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 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 (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 Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel WINWORD.EXE -
NTFS ADS 1 IoCs
Processes:
WINWORD.EXEdescription ioc process File created C:\Users\Admin\AppData\Local\Temp\~WRD0000.tmp\:Zone.Identifier:$DATA WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
WINWORD.EXEpid process 1796 WINWORD.EXE -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
WINWORD.EXEpid process 1796 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
WINWORD.EXEpid process 1796 WINWORD.EXE 1796 WINWORD.EXE -
Suspicious use of WriteProcessMemory 31 IoCs
Processes:
WINWORD.EXEcmd.exedescription pid process target process PID 1796 wrote to memory of 1988 1796 WINWORD.EXE cmd.exe PID 1796 wrote to memory of 1988 1796 WINWORD.EXE cmd.exe PID 1796 wrote to memory of 1988 1796 WINWORD.EXE cmd.exe PID 1796 wrote to memory of 1988 1796 WINWORD.EXE cmd.exe PID 1796 wrote to memory of 1944 1796 WINWORD.EXE cmd.exe PID 1796 wrote to memory of 1944 1796 WINWORD.EXE cmd.exe PID 1796 wrote to memory of 1944 1796 WINWORD.EXE cmd.exe PID 1796 wrote to memory of 1944 1796 WINWORD.EXE cmd.exe PID 1796 wrote to memory of 1760 1796 WINWORD.EXE cmd.exe PID 1796 wrote to memory of 1760 1796 WINWORD.EXE cmd.exe PID 1796 wrote to memory of 1760 1796 WINWORD.EXE cmd.exe PID 1796 wrote to memory of 1760 1796 WINWORD.EXE cmd.exe PID 1796 wrote to memory of 1352 1796 WINWORD.EXE cmd.exe PID 1796 wrote to memory of 1352 1796 WINWORD.EXE cmd.exe PID 1796 wrote to memory of 1352 1796 WINWORD.EXE cmd.exe PID 1796 wrote to memory of 1352 1796 WINWORD.EXE cmd.exe PID 1352 wrote to memory of 1496 1352 cmd.exe DriverUpdateFx.exe PID 1352 wrote to memory of 1496 1352 cmd.exe DriverUpdateFx.exe PID 1352 wrote to memory of 1496 1352 cmd.exe DriverUpdateFx.exe PID 1352 wrote to memory of 1496 1352 cmd.exe DriverUpdateFx.exe PID 1352 wrote to memory of 1496 1352 cmd.exe DriverUpdateFx.exe PID 1352 wrote to memory of 1496 1352 cmd.exe DriverUpdateFx.exe PID 1352 wrote to memory of 1496 1352 cmd.exe DriverUpdateFx.exe PID 1796 wrote to memory of 1032 1796 WINWORD.EXE cmd.exe PID 1796 wrote to memory of 1032 1796 WINWORD.EXE cmd.exe PID 1796 wrote to memory of 1032 1796 WINWORD.EXE cmd.exe PID 1796 wrote to memory of 1032 1796 WINWORD.EXE cmd.exe PID 1796 wrote to memory of 1832 1796 WINWORD.EXE splwow64.exe PID 1796 wrote to memory of 1832 1796 WINWORD.EXE splwow64.exe PID 1796 wrote to memory of 1832 1796 WINWORD.EXE splwow64.exe PID 1796 wrote to memory of 1832 1796 WINWORD.EXE splwow64.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\cb1ae1de_by_Libranalysis.doc"1⤵
- Deletes itself
- Drops file in Windows directory
- Modifies Internet Explorer settings
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c md c:\Drivers2⤵
- Process spawned unexpected child process
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c copy /b C:\Windows\system32\certut*.exe c:\Drivers\DriverUpdateFx.exe2⤵
- Process spawned unexpected child process
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c copy /b c:\Drivers\DriverGFE.tmp+c:\Drivers\DriverGFXCoin.tmp c:\Drivers\DriverCPHS.tmp & del c:\Drivers\DriverGFE.tmp & del c:\Drivers\DriverGFXCoin.tmp2⤵
- Process spawned unexpected child process
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c c:\Drivers\DriverUpdateFx.exe -decode c:\Drivers\DriverCPHS.tmp c:\Drivers\DriverGFX.tmp & del c:\Drivers\DriverCPHS.tmp & del c:\Drivers\DriverUpdateFx.exe2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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\??\c:\Drivers\DriverUpdateFx.exec:\Drivers\DriverUpdateFx.exe -decode c:\Drivers\DriverCPHS.tmp c:\Drivers\DriverGFX.tmp3⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c mavinject.exe 1212 /injectrunning c:\Drivers\DriverGFX.tmp2⤵
- Process spawned unexpected child process
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C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Drivers\DriverUpdateFx.exeMD5
7b973145f7e1b59330ca4dd1f86b3d55
SHA110ce9174bff4856083e6adad0094a798ced2c079
SHA256589229e2bd93100049909edf9825dce24ff963a0c465d969027db34e2eb878b4
SHA5121e910be2a19a13e6f07f290fc5de8f44a3d1427eb216928bd9230337e3c604b1b782acd373e2d051fc3521280610cb05a95cb95ff2e1db110a4593e55709e9b4
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\??\c:\Drivers\DriverCPHS.tmpMD5
4d8ea25779a892048e02c716c8742758
SHA112ff47a0d2c60535ec77ff08222cae1064ac4c7d
SHA2568f20bd7ac51caeca497981db33a9a660616f7358af4fdbd132a7e6f6349d5567
SHA51222faa91fcefce8c3031f2c39505192789e22be0dc56180e1fdea6ddcd943fe550ae899a4cb2524f7695f4579bc48c9f0fcf8db5df790f439959b29994cde3052
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\??\c:\Drivers\DriverGFE.tmpMD5
271ddf829afeece44d8732757fba1a66
SHA156ab49a5c68f11cc45c651da6a3f339eff2853f8
SHA256ca62d5e073f52f3ceb83f72d4d70d4fcd8b1ed041cddfb02ccfbbe1f90134f05
SHA512b61c7b5a882f363569058106c96d43856e6ab71587c4426ca48ae4979b7c12cf55faca0b09c2db500521cc0814bfcc022d5f16ed7090327b83865dfa8801baed
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\??\c:\Drivers\DriverGFXCoin.tmpMD5
76e0da32c9363d0df0614641dcfe555c
SHA196056fde433b03372e5dd75d5cd1eafbe54a8174
SHA256b063ee39c58d04210dddcdf4824f4658a5d47181ddaef01f5a3c82c89d2ce849
SHA512be120b13ee68de5bbf7d4e8ff9d582c73510d6288705c42e1d4b74062790643ea253c6a927ae00b5b6c36b1aa7cd177b4972c59bccdc647afe716a5bd92d6433
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\??\c:\Drivers\DriverUpdateFx.exeMD5
7b973145f7e1b59330ca4dd1f86b3d55
SHA110ce9174bff4856083e6adad0094a798ced2c079
SHA256589229e2bd93100049909edf9825dce24ff963a0c465d969027db34e2eb878b4
SHA5121e910be2a19a13e6f07f290fc5de8f44a3d1427eb216928bd9230337e3c604b1b782acd373e2d051fc3521280610cb05a95cb95ff2e1db110a4593e55709e9b4
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\Drivers\DriverUpdateFx.exeMD5
7b973145f7e1b59330ca4dd1f86b3d55
SHA110ce9174bff4856083e6adad0094a798ced2c079
SHA256589229e2bd93100049909edf9825dce24ff963a0c465d969027db34e2eb878b4
SHA5121e910be2a19a13e6f07f290fc5de8f44a3d1427eb216928bd9230337e3c604b1b782acd373e2d051fc3521280610cb05a95cb95ff2e1db110a4593e55709e9b4
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memory/1032-75-0x0000000000000000-mapping.dmp
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memory/1352-68-0x0000000000000000-mapping.dmp
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memory/1496-71-0x0000000000000000-mapping.dmp
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memory/1496-73-0x0000000076A01000-0x0000000076A03000-memory.dmpFilesize
8KB
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memory/1760-65-0x0000000000000000-mapping.dmp
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memory/1796-60-0x0000000072E81000-0x0000000072E84000-memory.dmpFilesize
12KB
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memory/1796-62-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/1796-61-0x0000000070901000-0x0000000070903000-memory.dmpFilesize
8KB
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memory/1796-78-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/1832-76-0x0000000000000000-mapping.dmp
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memory/1832-77-0x000007FEFC381000-0x000007FEFC383000-memory.dmpFilesize
8KB
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memory/1944-64-0x0000000000000000-mapping.dmp
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memory/1988-63-0x0000000000000000-mapping.dmp