Analysis

  • max time kernel
    129s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    14-12-2020 12:42

General

  • Target

    ac31a6e33a56b45bdd8cfd2adf58c123.exe

  • Size

    210KB

  • MD5

    ac31a6e33a56b45bdd8cfd2adf58c123

  • SHA1

    2cb2aebfab91b987f6a820bbf91a15ea9855b937

  • SHA256

    8c61ba7b253707486b186d4cb87add887f6e0d47a82818a0c17f38a1283b28a8

  • SHA512

    51a96ceba6ef87a5e9e937648f2d85c535ff1a66ccbde6316485f967db672ac638ebddfb2f59e263b0429c43626fc93e7f779f080a18eec1d3311544d5773030

Malware Config

Extracted

Family

revengerat

Botnet

NyanCatRevenge

C2

194.5.99.181:4452

Mutex

eac1ab2a222

Signatures

  • RevengeRAT

    Remote-access trojan with a wide range of capabilities.

  • Executes dropped EXE 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ac31a6e33a56b45bdd8cfd2adf58c123.exe
    "C:\Users\Admin\AppData\Local\Temp\ac31a6e33a56b45bdd8cfd2adf58c123.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1108
    • C:\Users\Admin\AppData\Local\Temp\Jjjmzioi.exe
      "C:\Users\Admin\AppData\Local\Temp\Jjjmzioi.exe"
      2⤵
      • Executes dropped EXE
      PID:2024
    • C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
      "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\Nbgoyjcv.pdf"
      2⤵
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:2044
    • C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
      "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\Tcfoxfw.pdf"
      2⤵
        PID:1468

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\Jjjmzioi.exe
      MD5

      40edbaf0a7ce2851f0883e49ee1db609

      SHA1

      40c95af209d9af0cac0de6de62e796a6b9603d8e

      SHA256

      6457a3a6a96adf2e24c3ce600928e006c50cd90eee46f73146c3507287ba9bc7

      SHA512

      a0c9d3f38d885e6a2ee0ed157887415f16108e9c26c5a3b2bbd54b51fcf3931d0f6a895edf3313146b1813f7351582bba7adb5cfc22df6169cc892fb4bf0b4df

    • C:\Users\Admin\AppData\Local\Temp\Jjjmzioi.exe
      MD5

      40edbaf0a7ce2851f0883e49ee1db609

      SHA1

      40c95af209d9af0cac0de6de62e796a6b9603d8e

      SHA256

      6457a3a6a96adf2e24c3ce600928e006c50cd90eee46f73146c3507287ba9bc7

      SHA512

      a0c9d3f38d885e6a2ee0ed157887415f16108e9c26c5a3b2bbd54b51fcf3931d0f6a895edf3313146b1813f7351582bba7adb5cfc22df6169cc892fb4bf0b4df

    • C:\Users\Admin\AppData\Local\Temp\Nbgoyjcv.pdf
      MD5

      7495261386e5a072f068cbdae39d91e5

      SHA1

      b08800cad2f8d90a58feb45c3400e137ab31eb23

      SHA256

      1bb04a78b1f43adcef42947ede15aa292f8bf75629d1cecb64e8cf7d713147ab

      SHA512

      f38cc029ec05f42891ce049f4db1aaf1e5409612fc38afcab6eb9ce2fc9ddf7f1d350b4bdb2d9dd34d4a37257df8e7854caf9f86fd4547b645797a3cee1e347e

    • C:\Users\Admin\AppData\Local\Temp\Tcfoxfw.pdf
      MD5

      ce5c8a69fc77843a6fdd39f2c30524dc

      SHA1

      e4f84b7d4703c381acef1646bf67bd3a2a0d4d08

      SHA256

      89ef629ae460cce80ce153f831d814c6031e20d2d8b8671130414f7b9c41ed3d

      SHA512

      dc76a9fc2b9ccd19dfe24de9b5baffeb1a376789ccf8e942d9013d3e3902f468e6aecc1db38c04f0295afba5ef92317ba30bc0f1ad8e959265897d8d5ab4e4d9

    • memory/1108-2-0x000007FEF4FB0000-0x000007FEF599C000-memory.dmp
      Filesize

      9.9MB

    • memory/1108-3-0x00000000003E0000-0x00000000003E1000-memory.dmp
      Filesize

      4KB

    • memory/1468-9-0x0000000000000000-mapping.dmp
    • memory/2024-5-0x0000000000000000-mapping.dmp
    • memory/2044-8-0x0000000000000000-mapping.dmp