Analysis

  • max time kernel
    56s
  • max time network
    58s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-06-2024 21:04

General

  • Target

    c72c3a367f9fae9b5968a85d366a92f69d4578249f5cc480af5697494f9ea4e7.xls

  • Size

    715KB

  • MD5

    a1d7ed30bb66850eaa404c96c9cc6402

  • SHA1

    fe8757e954b7d144baee4c2a3cd14d9ccb517a9b

  • SHA256

    c72c3a367f9fae9b5968a85d366a92f69d4578249f5cc480af5697494f9ea4e7

  • SHA512

    57c0ad29f4fc7419b30b29fbaef758005d29df166592859a33583af4bfe8af81b0063507e7136babcc4cb16513a1636775403d2b1faad5b58c6a3e01e9bbec6d

  • SSDEEP

    12288:QRsUpcHnXXzNkRKFfsAqdlVDczXZejbeAQjSY4VTZoLtq57kWjuNMfK:QRsSc3DGUFfpqdUzXM/GjS/VTZoIP

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Executes dropped EXE 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

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\c72c3a367f9fae9b5968a85d366a92f69d4578249f5cc480af5697494f9ea4e7.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1724
    • C:\Windows\SYSTEM32\cmd.exe
      cmd /c C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe /target:winexe /out:"C:\Users\Admin\AppData\Roaming\Microsoft\zvi7zvmktwd2.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\udajk0b395l9.cs" & "C:\Users\Admin\AppData\Roaming\Microsoft\zvi7zvmktwd2.exe"
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:4276
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe /target:winexe /out:"C:\Users\Admin\AppData\Roaming\Microsoft\zvi7zvmktwd2.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\udajk0b395l9.cs"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4584
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES5BCC.tmp" "c:\Users\Admin\AppData\Roaming\Microsoft\CSC439EB693C3E04754AF3539864C2186B8.TMP"
          4⤵
            PID:4408
        • C:\Users\Admin\AppData\Roaming\Microsoft\zvi7zvmktwd2.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\zvi7zvmktwd2.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:3560

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\RES5BCC.tmp

      Filesize

      1KB

      MD5

      7f8a33b52fe301ef6324285615dfa566

      SHA1

      1c8f92f240da38fb85c3127d93fdb66c424d33a8

      SHA256

      dae3c2ddfac4e34aa02adc2fd5e7ca61d858bc6ed80ae3546cb0bc684c8e5d61

      SHA512

      daae8508f2ca813911811bf92cc8040b3da4f9bc79aba55bf7ed965cddd38c04bcb970d6d0b118eb73aa329f3c85d6ca050563b8564113402c7e310a6e9adfd9

    • C:\Users\Admin\AppData\Roaming\Microsoft\zvi7zvmktwd2.exe

      Filesize

      6KB

      MD5

      9323346641539c8588878271387c6873

      SHA1

      0b893116148f1a8f6eff724248539c0ecfcde2ff

      SHA256

      923e9260ea58bb32b2729d698612d63c7f9f4e1188d8683ee3bc27d6e7113205

      SHA512

      f5ea2646939f1948e49cd3bd385c66cdc51482ca88ff7ba6406c2ddd6013bd69793eeb6b656a68fe1029fb605a912932622852f4a127fb67fe433384cd49319f

    • \??\c:\Users\Admin\AppData\Roaming\Microsoft\CSC439EB693C3E04754AF3539864C2186B8.TMP

      Filesize

      1KB

      MD5

      6826c6efbd872f20e7874bbd5dcf9fab

      SHA1

      90bdd59c81f888ecb71f9a55523b0da5d392a1a5

      SHA256

      ee134976dc074047c509a602e88019d8bcb3b9da4e3911f6413ce69a29cfbf7b

      SHA512

      3bb6a6a8c77b61532716910c6ca9309becc9774413616da624dac658bd471c4d6bd12b914fcabd57a239995629a53f57e1a8d1fbc302f4e935d449e8457d0678

    • \??\c:\Users\Admin\AppData\Roaming\Microsoft\udajk0b395l9.cs

      Filesize

      2KB

      MD5

      3d6a86624aed949ac6b72ecfac76ff6d

      SHA1

      bdbb6a1619b57c5ee0e8577fc25b74ff29c74e94

      SHA256

      b00fdf715ad530babc4a92749ff05cdeee1eb81069f28fbe4ae27933d74533e0

      SHA512

      b2fc0f8218bd9c8c534adf7c8716bb60f3de94a3e73c9e77515fa927c681d1b7c1fdc1b83a92f5ee5ef75d9a3279cc2db1a3b118332b346148a239555b14a1ae

    • memory/1724-12-0x00007FFCE9970000-0x00007FFCE9B65000-memory.dmp

      Filesize

      2.0MB

    • memory/1724-16-0x00007FFCE9970000-0x00007FFCE9B65000-memory.dmp

      Filesize

      2.0MB

    • memory/1724-6-0x00007FFCE9970000-0x00007FFCE9B65000-memory.dmp

      Filesize

      2.0MB

    • memory/1724-8-0x00007FFCE9970000-0x00007FFCE9B65000-memory.dmp

      Filesize

      2.0MB

    • memory/1724-7-0x00007FFCE9970000-0x00007FFCE9B65000-memory.dmp

      Filesize

      2.0MB

    • memory/1724-10-0x00007FFCE9970000-0x00007FFCE9B65000-memory.dmp

      Filesize

      2.0MB

    • memory/1724-9-0x00007FFCA7390000-0x00007FFCA73A0000-memory.dmp

      Filesize

      64KB

    • memory/1724-11-0x00007FFCE9970000-0x00007FFCE9B65000-memory.dmp

      Filesize

      2.0MB

    • memory/1724-0-0x00007FFCA99F0000-0x00007FFCA9A00000-memory.dmp

      Filesize

      64KB

    • memory/1724-13-0x00007FFCA7390000-0x00007FFCA73A0000-memory.dmp

      Filesize

      64KB

    • memory/1724-17-0x00007FFCE9970000-0x00007FFCE9B65000-memory.dmp

      Filesize

      2.0MB

    • memory/1724-5-0x00007FFCA99F0000-0x00007FFCA9A00000-memory.dmp

      Filesize

      64KB

    • memory/1724-15-0x00007FFCE9970000-0x00007FFCE9B65000-memory.dmp

      Filesize

      2.0MB

    • memory/1724-14-0x00007FFCE9970000-0x00007FFCE9B65000-memory.dmp

      Filesize

      2.0MB

    • memory/1724-43-0x00007FFCE9970000-0x00007FFCE9B65000-memory.dmp

      Filesize

      2.0MB

    • memory/1724-4-0x00007FFCA99F0000-0x00007FFCA9A00000-memory.dmp

      Filesize

      64KB

    • memory/1724-3-0x00007FFCE9A0D000-0x00007FFCE9A0E000-memory.dmp

      Filesize

      4KB

    • memory/1724-2-0x00007FFCA99F0000-0x00007FFCA9A00000-memory.dmp

      Filesize

      64KB

    • memory/1724-1-0x00007FFCA99F0000-0x00007FFCA9A00000-memory.dmp

      Filesize

      64KB

    • memory/1724-82-0x00007FFCE9970000-0x00007FFCE9B65000-memory.dmp

      Filesize

      2.0MB

    • memory/1724-81-0x00007FFCE9970000-0x00007FFCE9B65000-memory.dmp

      Filesize

      2.0MB

    • memory/3560-73-0x00000000007E0000-0x00000000007E8000-memory.dmp

      Filesize

      32KB