Analysis

  • max time kernel
    140s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    25/12/2023, 14:37

General

  • Target

    2631b9a0e662e017e2488b7aec2bd7c9.exe

  • Size

    209KB

  • MD5

    2631b9a0e662e017e2488b7aec2bd7c9

  • SHA1

    3dd3566ced59c93ada9d835cb29375852fa0a400

  • SHA256

    bc790d625820e5dc84ffc42f7c634ea635f544b855599fd94920d1eaf4e677e6

  • SHA512

    080130d1d691310b40f7a9da8891e70e68a5372cbacb888dc4cd0972bb8d12dffb137d72e4d74ad9bbf7e8ad481c2e1f3103d684abc0da0dc6869311c85b8115

  • SSDEEP

    6144:6li5vOmAze306/TiiHzXc0egPUz3lE1UbKH:5Zuy/TiyXxegIU

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\u.dll
    u.dll -bat vir.bat -save 2631b9a0e662e017e2488b7aec2bd7c9.exe.com -include s.dll -overwrite -nodelete
    1⤵
    • Executes dropped EXE
    PID:820
  • C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\E24.tmp\vir.bat""
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:868
    • C:\Windows\SysWOW64\calc.exe
      CALC.EXE
      2⤵
        PID:2804
      • C:\Users\Admin\AppData\Local\Temp\u.dll
        u.dll -bat vir.bat -save ose00000.exe.com -include s.dll -overwrite -nodelete
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2568
    • C:\Users\Admin\AppData\Local\Temp\2631b9a0e662e017e2488b7aec2bd7c9.exe
      "C:\Users\Admin\AppData\Local\Temp\2631b9a0e662e017e2488b7aec2bd7c9.exe"
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:2216
    • C:\Users\Admin\AppData\Local\Temp\2A2C.tmp\mpress.exe
      "C:\Users\Admin\AppData\Local\Temp\2A2C.tmp\mpress.exe" "C:\Users\Admin\AppData\Local\Temp\exe2A2D.tmp"
      1⤵
      • Executes dropped EXE
      PID:2424

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\E24.tmp\vir.bat

      Filesize

      2KB

      MD5

      f4e056560d3169270325f69da494f7b8

      SHA1

      0f3b66401cdb1b935bcfc80927490ae896ab6f7c

      SHA256

      e0a987bb0d8abb1d45263aa813df6ed3e1a411647d9872093fc1cf869c24c275

      SHA512

      62691de57efb468ca22aad3dbd03aa6106cd0b038509d395e248916544d221f0b0f312ccb175f7748c0336f4a5cc1ec2d1635e306d01121e7b70ddddbaf320f3

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

      Filesize

      92KB

      MD5

      3ead3d1666a7ba5496ca7f0bdba490e6

      SHA1

      1c2707e1ed0b80eceb9e222e7c12e922e1ad1a13

      SHA256

      9c86a7b9cbd93a18253b5101b8a4272f9396e752177b5a49520384df06f18f5d

      SHA512

      147d684c5f73aa2aadc05c01c9aa31e887242edf53b97f151024ddf84384b2517dc6bd9a7bb52d9c607f47583b7b4868e809ad042e7f8e951e6a331004c62335

    • memory/2216-0-0x0000000000400000-0x00000000004BF000-memory.dmp

      Filesize

      764KB

    • memory/2216-109-0x0000000000400000-0x00000000004BF000-memory.dmp

      Filesize

      764KB

    • memory/2424-93-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/2424-100-0x0000000000400000-0x0000000000434000-memory.dmp

      Filesize

      208KB

    • memory/2568-94-0x0000000000550000-0x0000000000584000-memory.dmp

      Filesize

      208KB

    • memory/2568-91-0x0000000000550000-0x0000000000584000-memory.dmp

      Filesize

      208KB