Analysis

  • max time kernel
    60s
  • max time network
    35s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    26-06-2024 21:05

General

  • Target

    14f3aafe8b8d72786ddad65a08f41183ce60d525c1e2e570c1d98630bd367c49.xls

  • Size

    715KB

  • MD5

    fa910e128c46a5f9245b472d2dd2d157

  • SHA1

    6a70f013a2458ecb1b8955b6275b81ea2c9ccbb9

  • SHA256

    14f3aafe8b8d72786ddad65a08f41183ce60d525c1e2e570c1d98630bd367c49

  • SHA512

    c0c0a71ab98b21f82193e553798a050b174b87b3d2ddf05c4c91db8942ece4cd9b0eb1e94d282da99e744abdca96698b5891d1fef4f6b43434a07984039e7ef2

  • SSDEEP

    12288:TRsUpcHnXXzNkRKFfsAqdlVDczXZejbeAQjSY4VTZoLtq57kWjuNMfK:TRsSc3DGUFfpqdUzXM/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
  • Loads dropped DLL 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\14f3aafe8b8d72786ddad65a08f41183ce60d525c1e2e570c1d98630bd367c49.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2952
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe /target:winexe /out:"C:\Users\Admin\AppData\Roaming\Microsoft\t3ozmyihblpw.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\omgc7370rux3.cs" & "C:\Users\Admin\AppData\Roaming\Microsoft\t3ozmyihblpw.exe"
      2⤵
      • Process spawned unexpected child process
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2708
      • 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\t3ozmyihblpw.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\omgc7370rux3.cs"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2680
        • 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\RES1F34.tmp" "c:\Users\Admin\AppData\Roaming\Microsoft\CSC2F776FABB52746A2824653D8E89F032.TMP"
          4⤵
            PID:2944
        • C:\Users\Admin\AppData\Roaming\Microsoft\t3ozmyihblpw.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\t3ozmyihblpw.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:2668

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\RES1F34.tmp

      Filesize

      1KB

      MD5

      bc83d21064bd60bff91fc4e816678c6e

      SHA1

      c2ee0fb954d2b3739c36e83dd33ad0c42343adf8

      SHA256

      067d523236169133161e7dc8502cf0cf8b65b264be9952fc4e56fd573a51c252

      SHA512

      b5120deb7fd416d85d0efe1870eb8ff598e2b90be885e94034e7bee98f0a298c5fb3e464d5031387ce9fc89169e4995ec17cae839aed2048512e050cc8b4acd5

    • C:\Users\Admin\AppData\Roaming\Microsoft\t3ozmyihblpw.exe

      Filesize

      6KB

      MD5

      6f473221329f567e43d70ed0b7804643

      SHA1

      09bb8840ee37accb1fa2f4f618a3be37e2d3d4b1

      SHA256

      c8232ac880f9e6b04a31c5abe0e3c7cc7f0e68ff526c2f5fd843741ac6fa87d4

      SHA512

      a96809710e21fe664fcd383b56a5ad14aafdebbe0447cda379ad2abc99f55e76c0ccce61fb741ebeb635057295d4cbddd19d2e3c63fc7d92a2f1fef022ffc12b

    • \??\c:\Users\Admin\AppData\Roaming\Microsoft\CSC2F776FABB52746A2824653D8E89F032.TMP

      Filesize

      1KB

      MD5

      9d6904194aeff19be390a931bc11ac03

      SHA1

      7f6f417f1a49da09939109153a3b8056d406ed50

      SHA256

      fd9d873fa01656ecb8796305550df219be388088125724fa7db41752043a60ea

      SHA512

      4229e4e3a62e2697df527e30f2aefa9db82fa66f2233295fb3c684279b80f6675e1e2f4d701d7d7127936c50ebac7b8a8466ea054aa7023ae1f1b58a86247ffe

    • \??\c:\Users\Admin\AppData\Roaming\Microsoft\omgc7370rux3.cs

      Filesize

      2KB

      MD5

      3d6a86624aed949ac6b72ecfac76ff6d

      SHA1

      bdbb6a1619b57c5ee0e8577fc25b74ff29c74e94

      SHA256

      b00fdf715ad530babc4a92749ff05cdeee1eb81069f28fbe4ae27933d74533e0

      SHA512

      b2fc0f8218bd9c8c534adf7c8716bb60f3de94a3e73c9e77515fa927c681d1b7c1fdc1b83a92f5ee5ef75d9a3279cc2db1a3b118332b346148a239555b14a1ae

    • memory/2668-44-0x0000000000230000-0x0000000000238000-memory.dmp

      Filesize

      32KB

    • memory/2952-30-0x00000000063E0000-0x00000000064E0000-memory.dmp

      Filesize

      1024KB

    • memory/2952-28-0x00000000063E0000-0x00000000064E0000-memory.dmp

      Filesize

      1024KB

    • memory/2952-31-0x00000000063E0000-0x00000000064E0000-memory.dmp

      Filesize

      1024KB

    • memory/2952-32-0x00000000063E0000-0x00000000064E0000-memory.dmp

      Filesize

      1024KB

    • memory/2952-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2952-23-0x00000000063E0000-0x00000000064E0000-memory.dmp

      Filesize

      1024KB

    • memory/2952-1-0x000000007254D000-0x0000000072558000-memory.dmp

      Filesize

      44KB

    • memory/2952-45-0x000000007254D000-0x0000000072558000-memory.dmp

      Filesize

      44KB

    • memory/2952-46-0x00000000063E0000-0x00000000064E0000-memory.dmp

      Filesize

      1024KB