Analysis

  • max time kernel
    1s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-12-2023 23:56

General

  • Target

    44a297cf8e98419e8987141cf66fe129.exe

  • Size

    209KB

  • MD5

    44a297cf8e98419e8987141cf66fe129

  • SHA1

    4b504f0e5c28f0ff99137f1db06512fbbb2f4fa4

  • SHA256

    3cb1b41ea234f3ee80f87f6a4e3ecab42cf7a076c4fe68861ab3d0596dbda404

  • SHA512

    60d9a0896eab319cf8db5cd14bd93f8a4c89bebd9d2402733c27503a70f65d800b93b566c149d4838a08e74f3125fe2030b29fa3cc3a631f238ac472a73040b6

  • SSDEEP

    6144:Kl8sGcdu3dgI7+26cePVetEtld4TbmlQCEPOoFYY7MF:OTdu3Kb2v5atlCbyYGy7M

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\44a297cf8e98419e8987141cf66fe129.exe
    "C:\Users\Admin\AppData\Local\Temp\44a297cf8e98419e8987141cf66fe129.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2264
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\4D84.tmp\vir.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2740
  • C:\Windows\SysWOW64\calc.exe
    CALC.EXE
    1⤵
      PID:1960
    • C:\Windows\system32\OpenWith.exe
      C:\Windows\system32\OpenWith.exe -Embedding
      1⤵
        PID:1700
      • C:\Users\Admin\AppData\Local\Temp\4DE1.tmp\mpress.exe
        "C:\Users\Admin\AppData\Local\Temp\4DE1.tmp\mpress.exe" "C:\Users\Admin\AppData\Local\Temp\exe4DE2.tmp"
        1⤵
        • Executes dropped EXE
        PID:112
      • C:\Users\Admin\AppData\Local\Temp\u.dll
        u.dll -bat vir.bat -save 44a297cf8e98419e8987141cf66fe129.exe.com -include s.dll -overwrite -nodelete
        1⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:436

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\4D84.tmp\vir.bat

        Filesize

        1KB

        MD5

        3c9c2bcc3797fcec966be89e524f3f0c

        SHA1

        75c06b80730705d621d3909037bb54120a806895

        SHA256

        9c85bc2b42a74b5767cc08f36a7085f823e906f35320b6f99f4ab821a6638a79

        SHA512

        081124e3f55190e04f2b57729456dd26cbd57d040111ed85d34148669e44df0278006572b85c1eff7a1dd52b6c94963f6f36a77c41ffec8e4750fc0912b6f308

      • C:\Users\Admin\AppData\Local\Temp\u.dll

        Filesize

        92KB

        MD5

        3ead3d1666a7ba5496ca7f0bdba490e6

        SHA1

        1c2707e1ed0b80eceb9e222e7c12e922e1ad1a13

        SHA256

        9c86a7b9cbd93a18253b5101b8a4272f9396e752177b5a49520384df06f18f5d

        SHA512

        147d684c5f73aa2aadc05c01c9aa31e887242edf53b97f151024ddf84384b2517dc6bd9a7bb52d9c607f47583b7b4868e809ad042e7f8e951e6a331004c62335

      • memory/112-55-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/112-62-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2264-0-0x0000000000400000-0x00000000004BF000-memory.dmp

        Filesize

        764KB

      • memory/2264-1-0x0000000000400000-0x00000000004BF000-memory.dmp

        Filesize

        764KB

      • memory/2264-70-0x0000000000400000-0x00000000004BF000-memory.dmp

        Filesize

        764KB