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Analysis

  • max time kernel
    92s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/10/2022, 07:52

General

  • Target

    4e25053e5463602f767f5d0409283a1950e403fee3536db4f651ee906288b6c8.exe

  • Size

    3.0MB

  • MD5

    ed157c956cfcb9423ea23328f92f6811

  • SHA1

    3c0cfc3072d6e4e78a9bc031cbf8260a03d9699b

  • SHA256

    4e25053e5463602f767f5d0409283a1950e403fee3536db4f651ee906288b6c8

  • SHA512

    26aad98457a3f1e229fe9aa8f9a80c25b72ae881569ecd42bf68690b2c393d3a7d4fbc64224cbbd82522cf39d7ee037f4c1816160e38e4fcfe2780e0b6f2d602

  • SSDEEP

    49152:iVkVwyZ4P6EayzgbIPRRM5OspPTr9poNgAm/pwkg7D9cp96PNxiebA5rOYiZnu:iGVwywnbuIEssp3z6D9cjOOebSivZnu

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4e25053e5463602f767f5d0409283a1950e403fee3536db4f651ee906288b6c8.exe
    "C:\Users\Admin\AppData\Local\Temp\4e25053e5463602f767f5d0409283a1950e403fee3536db4f651ee906288b6c8.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4896
    • C:\Users\Admin\AppData\Local\Temp\is-JF2BN.tmp\4e25053e5463602f767f5d0409283a1950e403fee3536db4f651ee906288b6c8.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-JF2BN.tmp\4e25053e5463602f767f5d0409283a1950e403fee3536db4f651ee906288b6c8.tmp" /SL5="$C01C2,2498939,70144,C:\Users\Admin\AppData\Local\Temp\4e25053e5463602f767f5d0409283a1950e403fee3536db4f651ee906288b6c8.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      PID:4928

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\is-CQO6O.tmp\DownLib.dll

    Filesize

    183KB

    MD5

    db25dfdd4c1f2b65c68a230881072695

    SHA1

    94cd6a3438041f0e61b0a1bea7b66461854efe69

    SHA256

    1b66aaf1e7e3c493dd96af3b7442ea60072f6e93ba45281eacd31a14ca7e7e73

    SHA512

    db69e4ab2218856e5184d9094e7e39705b83e3efdc15225067205c8faf6e5836145364f1d509192defa3b48864e72b9f8c0f2dc53a7adb2b86c655318b7afc2c

  • C:\Users\Admin\AppData\Local\Temp\is-CQO6O.tmp\DownLib.dll

    Filesize

    183KB

    MD5

    db25dfdd4c1f2b65c68a230881072695

    SHA1

    94cd6a3438041f0e61b0a1bea7b66461854efe69

    SHA256

    1b66aaf1e7e3c493dd96af3b7442ea60072f6e93ba45281eacd31a14ca7e7e73

    SHA512

    db69e4ab2218856e5184d9094e7e39705b83e3efdc15225067205c8faf6e5836145364f1d509192defa3b48864e72b9f8c0f2dc53a7adb2b86c655318b7afc2c

  • C:\Users\Admin\AppData\Local\Temp\is-JF2BN.tmp\4e25053e5463602f767f5d0409283a1950e403fee3536db4f651ee906288b6c8.tmp

    Filesize

    1.2MB

    MD5

    e7106fbf42fbc6d5b08a18ada4f781b4

    SHA1

    36d4a629f79d772c0b0df8bd2ae2ea09108d239d

    SHA256

    64e1f1fa7d91920b17bc7bc679a4cd8d87ff5b104318b6921bb6bf6a19055635

    SHA512

    adf876296a952aadeb4f25211c0939bf5a278809b5d3007ad7e26c5d4975e7684d242c1b3de796efd474a47cb7ecdb80f9047935924a1108bf0e4d7c973d1845

  • C:\Users\Admin\AppData\Local\Temp\is-JF2BN.tmp\4e25053e5463602f767f5d0409283a1950e403fee3536db4f651ee906288b6c8.tmp

    Filesize

    1.2MB

    MD5

    e7106fbf42fbc6d5b08a18ada4f781b4

    SHA1

    36d4a629f79d772c0b0df8bd2ae2ea09108d239d

    SHA256

    64e1f1fa7d91920b17bc7bc679a4cd8d87ff5b104318b6921bb6bf6a19055635

    SHA512

    adf876296a952aadeb4f25211c0939bf5a278809b5d3007ad7e26c5d4975e7684d242c1b3de796efd474a47cb7ecdb80f9047935924a1108bf0e4d7c973d1845

  • memory/4896-132-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/4896-134-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/4896-141-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/4928-140-0x0000000003BE0000-0x0000000003C17000-memory.dmp

    Filesize

    220KB