Analysis

  • max time kernel
    130s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/02/2023, 22:52

General

  • Target

    2019-05-01-Emotet-binary-retrieved-by-Word-macro.exe

  • Size

    168KB

  • MD5

    84d164fbfe0982a00404cb3d7b164bf5

  • SHA1

    e068cd94e06c1f592a2d16ac2adc52c2ce506fa5

  • SHA256

    2032acdf04511314d53f51d1fef7f9e62e69abbe3db0b31a0302a8545ab1bd82

  • SHA512

    be33a2f96c68ff640a1f59241969fb27971305ecf251c2f8422d3e5a6b0bf609580a7360db3fa3c0355c956f19efec5f7d2f69e947e8f3c979f930ee1761da04

  • SSDEEP

    3072:tzFEhjHHIUjCgArLEZXApH3UHE360ESYUzp8t:1FWHIU2Y9KEHE36FS5p8t

Score
10/10

Malware Config

Signatures

  • Emotet

    Emotet is a trojan that is primarily spread through spam emails.

  • Drops file in System32 directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies data under HKEY_USERS 3 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-retrieved-by-Word-macro.exe
    "C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-retrieved-by-Word-macro.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4304
    • C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-retrieved-by-Word-macro.exe
      --6dea9298
      2⤵
      • Suspicious behavior: RenamesItself
      PID:5056
  • C:\Windows\SysWOW64\redistslide.exe
    "C:\Windows\SysWOW64\redistslide.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4620
    • C:\Windows\SysWOW64\redistslide.exe
      --779f322e
      2⤵
      • Drops file in System32 directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      PID:1988
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:2188
    • C:\Windows\system32\OpenWith.exe
      C:\Windows\system32\OpenWith.exe -Embedding
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:2284

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • memory/1988-139-0x0000000000400000-0x000000000042C000-memory.dmp

            Filesize

            176KB

          • memory/1988-140-0x0000000000400000-0x000000000042C000-memory.dmp

            Filesize

            176KB

          • memory/4304-132-0x0000000002160000-0x0000000002171000-memory.dmp

            Filesize

            68KB

          • memory/4304-134-0x0000000002160000-0x0000000002171000-memory.dmp

            Filesize

            68KB

          • memory/4304-135-0x0000000000400000-0x0000000000414000-memory.dmp

            Filesize

            80KB

          • memory/5056-136-0x0000000000400000-0x000000000042C000-memory.dmp

            Filesize

            176KB

          • memory/5056-138-0x0000000000400000-0x0000000000414000-memory.dmp

            Filesize

            80KB