Analysis

  • max time kernel
    146s
  • max time network
    31s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    04/12/2022, 12:53

General

  • Target

    af2d0e2673a373efadf177eda9a4be1380079a638689f665091377e84c98bb30.exe

  • Size

    2.3MB

  • MD5

    1aef5767b3caa1f388148a5d4f19976c

  • SHA1

    5110bf8309bdab4d4be2af2f716d0270ca127845

  • SHA256

    af2d0e2673a373efadf177eda9a4be1380079a638689f665091377e84c98bb30

  • SHA512

    a268634d61128a228e283e55020f8466d1783b0b3cf1cb49e0ea2c9f314afafd7f505fe8eeafcef7b5cbd2525281ecce76d472f5f465a73531c3979ccba9b836

  • SSDEEP

    49152:79k5u66thUoJseHdZEV9KctArIh1jJqI7/i+3iBQ9FebA5rOYiZnP:OJ6zXJ1nOk7rEqmViBUebSivZnP

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\af2d0e2673a373efadf177eda9a4be1380079a638689f665091377e84c98bb30.exe
    "C:\Users\Admin\AppData\Local\Temp\af2d0e2673a373efadf177eda9a4be1380079a638689f665091377e84c98bb30.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1232
    • C:\Users\Admin\AppData\Local\Temp\is-DSA1C.tmp\af2d0e2673a373efadf177eda9a4be1380079a638689f665091377e84c98bb30.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-DSA1C.tmp\af2d0e2673a373efadf177eda9a4be1380079a638689f665091377e84c98bb30.tmp" /SL5="$80022,1742940,70144,C:\Users\Admin\AppData\Local\Temp\af2d0e2673a373efadf177eda9a4be1380079a638689f665091377e84c98bb30.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      PID:1324

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\is-DSA1C.tmp\af2d0e2673a373efadf177eda9a4be1380079a638689f665091377e84c98bb30.tmp

    Filesize

    1.2MB

    MD5

    e7106fbf42fbc6d5b08a18ada4f781b4

    SHA1

    36d4a629f79d772c0b0df8bd2ae2ea09108d239d

    SHA256

    64e1f1fa7d91920b17bc7bc679a4cd8d87ff5b104318b6921bb6bf6a19055635

    SHA512

    adf876296a952aadeb4f25211c0939bf5a278809b5d3007ad7e26c5d4975e7684d242c1b3de796efd474a47cb7ecdb80f9047935924a1108bf0e4d7c973d1845

  • C:\Users\Admin\AppData\Local\Temp\is-DSA1C.tmp\af2d0e2673a373efadf177eda9a4be1380079a638689f665091377e84c98bb30.tmp

    Filesize

    1.2MB

    MD5

    e7106fbf42fbc6d5b08a18ada4f781b4

    SHA1

    36d4a629f79d772c0b0df8bd2ae2ea09108d239d

    SHA256

    64e1f1fa7d91920b17bc7bc679a4cd8d87ff5b104318b6921bb6bf6a19055635

    SHA512

    adf876296a952aadeb4f25211c0939bf5a278809b5d3007ad7e26c5d4975e7684d242c1b3de796efd474a47cb7ecdb80f9047935924a1108bf0e4d7c973d1845

  • \Users\Admin\AppData\Local\Temp\is-5BE6U.tmp\DownLib.dll

    Filesize

    183KB

    MD5

    db25dfdd4c1f2b65c68a230881072695

    SHA1

    94cd6a3438041f0e61b0a1bea7b66461854efe69

    SHA256

    1b66aaf1e7e3c493dd96af3b7442ea60072f6e93ba45281eacd31a14ca7e7e73

    SHA512

    db69e4ab2218856e5184d9094e7e39705b83e3efdc15225067205c8faf6e5836145364f1d509192defa3b48864e72b9f8c0f2dc53a7adb2b86c655318b7afc2c

  • \Users\Admin\AppData\Local\Temp\is-5BE6U.tmp\_isetup\_shfoldr.dll

    Filesize

    22KB

    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • \Users\Admin\AppData\Local\Temp\is-5BE6U.tmp\_isetup\_shfoldr.dll

    Filesize

    22KB

    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • \Users\Admin\AppData\Local\Temp\is-DSA1C.tmp\af2d0e2673a373efadf177eda9a4be1380079a638689f665091377e84c98bb30.tmp

    Filesize

    1.2MB

    MD5

    e7106fbf42fbc6d5b08a18ada4f781b4

    SHA1

    36d4a629f79d772c0b0df8bd2ae2ea09108d239d

    SHA256

    64e1f1fa7d91920b17bc7bc679a4cd8d87ff5b104318b6921bb6bf6a19055635

    SHA512

    adf876296a952aadeb4f25211c0939bf5a278809b5d3007ad7e26c5d4975e7684d242c1b3de796efd474a47cb7ecdb80f9047935924a1108bf0e4d7c973d1845

  • memory/1232-54-0x0000000075C31000-0x0000000075C33000-memory.dmp

    Filesize

    8KB

  • memory/1232-55-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/1232-61-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/1232-67-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/1324-66-0x00000000020D0000-0x0000000002107000-memory.dmp

    Filesize

    220KB