Resubmissions

14/02/2023, 23:19

230214-3a128agg95 10

Analysis

  • max time kernel
    132s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    14/02/2023, 23:19

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 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies data under HKEY_USERS 21 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 4 IoCs
  • Suspicious use of WriteProcessMemory 8 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 UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1648
    • C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-retrieved-by-Word-macro.exe
      --6dea9298
      2⤵
      • Suspicious behavior: RenamesItself
      • Suspicious use of UnmapMainImage
      PID:2028
  • C:\Windows\SysWOW64\pnfrandom.exe
    "C:\Windows\SysWOW64\pnfrandom.exe"
    1⤵
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1288
    • C:\Windows\SysWOW64\pnfrandom.exe
      --e308ec41
      2⤵
      • Drops file in System32 directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of UnmapMainImage
      PID:380

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/380-61-0x0000000000220000-0x0000000000231000-memory.dmp

          Filesize

          68KB

        • memory/380-62-0x0000000000400000-0x000000000042C000-memory.dmp

          Filesize

          176KB

        • memory/380-64-0x0000000000400000-0x000000000042C000-memory.dmp

          Filesize

          176KB

        • memory/1648-55-0x0000000000230000-0x0000000000241000-memory.dmp

          Filesize

          68KB

        • memory/1648-56-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/2028-57-0x0000000000400000-0x000000000042C000-memory.dmp

          Filesize

          176KB

        • memory/2028-58-0x0000000075A31000-0x0000000075A33000-memory.dmp

          Filesize

          8KB

        • memory/2028-60-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB