Analysis

  • max time kernel
    168s
  • max time network
    182s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-11-2022 06:54

General

  • Target

    acf7db3230e0348396502b7acb54edd4c147bd76ee5e82d48116a4cfdc928139.exe

  • Size

    2.3MB

  • MD5

    5c10924f8cc512d54987b7e8a725b2ad

  • SHA1

    66c9f2557c30e39a19466e1f3e9288bfd6bd5964

  • SHA256

    acf7db3230e0348396502b7acb54edd4c147bd76ee5e82d48116a4cfdc928139

  • SHA512

    5f6604c238e2d3043e93dcac615a6a86f4852176344cbfdb38d15ba68caecb0583d6fac10d8a3b7b839080fa648bbf21cb817e1cd3cf8e1e293984e67d1a75c1

  • SSDEEP

    49152:4p2Qu650JXrPcuh+ShZKr0KUx9InfZ479ebA5rOYiZnh:A2B650JrcuTh04f+B479ebSivZnh

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\acf7db3230e0348396502b7acb54edd4c147bd76ee5e82d48116a4cfdc928139.exe
    "C:\Users\Admin\AppData\Local\Temp\acf7db3230e0348396502b7acb54edd4c147bd76ee5e82d48116a4cfdc928139.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:100
    • C:\Users\Admin\AppData\Local\Temp\is-KFC1E.tmp\acf7db3230e0348396502b7acb54edd4c147bd76ee5e82d48116a4cfdc928139.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-KFC1E.tmp\acf7db3230e0348396502b7acb54edd4c147bd76ee5e82d48116a4cfdc928139.tmp" /SL5="$F0064,1679571,70144,C:\Users\Admin\AppData\Local\Temp\acf7db3230e0348396502b7acb54edd4c147bd76ee5e82d48116a4cfdc928139.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      PID:4064

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\is-KFC1E.tmp\acf7db3230e0348396502b7acb54edd4c147bd76ee5e82d48116a4cfdc928139.tmp

    Filesize

    1.2MB

    MD5

    e7106fbf42fbc6d5b08a18ada4f781b4

    SHA1

    36d4a629f79d772c0b0df8bd2ae2ea09108d239d

    SHA256

    64e1f1fa7d91920b17bc7bc679a4cd8d87ff5b104318b6921bb6bf6a19055635

    SHA512

    adf876296a952aadeb4f25211c0939bf5a278809b5d3007ad7e26c5d4975e7684d242c1b3de796efd474a47cb7ecdb80f9047935924a1108bf0e4d7c973d1845

  • C:\Users\Admin\AppData\Local\Temp\is-KFC1E.tmp\acf7db3230e0348396502b7acb54edd4c147bd76ee5e82d48116a4cfdc928139.tmp

    Filesize

    1.2MB

    MD5

    e7106fbf42fbc6d5b08a18ada4f781b4

    SHA1

    36d4a629f79d772c0b0df8bd2ae2ea09108d239d

    SHA256

    64e1f1fa7d91920b17bc7bc679a4cd8d87ff5b104318b6921bb6bf6a19055635

    SHA512

    adf876296a952aadeb4f25211c0939bf5a278809b5d3007ad7e26c5d4975e7684d242c1b3de796efd474a47cb7ecdb80f9047935924a1108bf0e4d7c973d1845

  • C:\Users\Admin\AppData\Local\Temp\is-LA5K0.tmp\DownLib.dll

    Filesize

    183KB

    MD5

    db25dfdd4c1f2b65c68a230881072695

    SHA1

    94cd6a3438041f0e61b0a1bea7b66461854efe69

    SHA256

    1b66aaf1e7e3c493dd96af3b7442ea60072f6e93ba45281eacd31a14ca7e7e73

    SHA512

    db69e4ab2218856e5184d9094e7e39705b83e3efdc15225067205c8faf6e5836145364f1d509192defa3b48864e72b9f8c0f2dc53a7adb2b86c655318b7afc2c

  • C:\Users\Admin\AppData\Local\Temp\is-LA5K0.tmp\DownLib.dll

    Filesize

    183KB

    MD5

    db25dfdd4c1f2b65c68a230881072695

    SHA1

    94cd6a3438041f0e61b0a1bea7b66461854efe69

    SHA256

    1b66aaf1e7e3c493dd96af3b7442ea60072f6e93ba45281eacd31a14ca7e7e73

    SHA512

    db69e4ab2218856e5184d9094e7e39705b83e3efdc15225067205c8faf6e5836145364f1d509192defa3b48864e72b9f8c0f2dc53a7adb2b86c655318b7afc2c

  • memory/100-132-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/100-134-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/100-141-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/4064-135-0x0000000000000000-mapping.dmp

  • memory/4064-140-0x0000000003C00000-0x0000000003C37000-memory.dmp

    Filesize

    220KB