Analysis

  • max time kernel
    36s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 20:21

General

  • Target

    f9759cbfa33079a61599f989b448864590c6b8eeea7e70680fd5ae4d74708e1e.exe

  • Size

    3.0MB

  • MD5

    4341be1ca2214dfa4fc578acf53c7f62

  • SHA1

    a929af9b2556e05946656d38e1b8b0164640e95c

  • SHA256

    f9759cbfa33079a61599f989b448864590c6b8eeea7e70680fd5ae4d74708e1e

  • SHA512

    ac03122d34ac908ca21acb657a1aee89ad365ff3ab7700611c52dfbaab55c041beba3b9cc65031511a40fb5c6d96d43433275b2e37d6ca1f07a267e264acad61

  • SSDEEP

    98304:AAu6Fe60La4Ojst533kXHauk8DPiebSivZnn:xHeTbf3kXsKie2UN

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 use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f9759cbfa33079a61599f989b448864590c6b8eeea7e70680fd5ae4d74708e1e.exe
    "C:\Users\Admin\AppData\Local\Temp\f9759cbfa33079a61599f989b448864590c6b8eeea7e70680fd5ae4d74708e1e.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1944
    • C:\Users\Admin\AppData\Local\Temp\is-9CDC3.tmp\f9759cbfa33079a61599f989b448864590c6b8eeea7e70680fd5ae4d74708e1e.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-9CDC3.tmp\f9759cbfa33079a61599f989b448864590c6b8eeea7e70680fd5ae4d74708e1e.tmp" /SL5="$60120,2499249,70144,C:\Users\Admin\AppData\Local\Temp\f9759cbfa33079a61599f989b448864590c6b8eeea7e70680fd5ae4d74708e1e.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      PID:836

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\is-9CDC3.tmp\f9759cbfa33079a61599f989b448864590c6b8eeea7e70680fd5ae4d74708e1e.tmp

    Filesize

    1.2MB

    MD5

    e7106fbf42fbc6d5b08a18ada4f781b4

    SHA1

    36d4a629f79d772c0b0df8bd2ae2ea09108d239d

    SHA256

    64e1f1fa7d91920b17bc7bc679a4cd8d87ff5b104318b6921bb6bf6a19055635

    SHA512

    adf876296a952aadeb4f25211c0939bf5a278809b5d3007ad7e26c5d4975e7684d242c1b3de796efd474a47cb7ecdb80f9047935924a1108bf0e4d7c973d1845

  • C:\Users\Admin\AppData\Local\Temp\is-9CDC3.tmp\f9759cbfa33079a61599f989b448864590c6b8eeea7e70680fd5ae4d74708e1e.tmp

    Filesize

    1.2MB

    MD5

    e7106fbf42fbc6d5b08a18ada4f781b4

    SHA1

    36d4a629f79d772c0b0df8bd2ae2ea09108d239d

    SHA256

    64e1f1fa7d91920b17bc7bc679a4cd8d87ff5b104318b6921bb6bf6a19055635

    SHA512

    adf876296a952aadeb4f25211c0939bf5a278809b5d3007ad7e26c5d4975e7684d242c1b3de796efd474a47cb7ecdb80f9047935924a1108bf0e4d7c973d1845

  • \Users\Admin\AppData\Local\Temp\is-9CDC3.tmp\f9759cbfa33079a61599f989b448864590c6b8eeea7e70680fd5ae4d74708e1e.tmp

    Filesize

    1.2MB

    MD5

    e7106fbf42fbc6d5b08a18ada4f781b4

    SHA1

    36d4a629f79d772c0b0df8bd2ae2ea09108d239d

    SHA256

    64e1f1fa7d91920b17bc7bc679a4cd8d87ff5b104318b6921bb6bf6a19055635

    SHA512

    adf876296a952aadeb4f25211c0939bf5a278809b5d3007ad7e26c5d4975e7684d242c1b3de796efd474a47cb7ecdb80f9047935924a1108bf0e4d7c973d1845

  • \Users\Admin\AppData\Local\Temp\is-SL7GP.tmp\DownLib.dll

    Filesize

    183KB

    MD5

    db25dfdd4c1f2b65c68a230881072695

    SHA1

    94cd6a3438041f0e61b0a1bea7b66461854efe69

    SHA256

    1b66aaf1e7e3c493dd96af3b7442ea60072f6e93ba45281eacd31a14ca7e7e73

    SHA512

    db69e4ab2218856e5184d9094e7e39705b83e3efdc15225067205c8faf6e5836145364f1d509192defa3b48864e72b9f8c0f2dc53a7adb2b86c655318b7afc2c

  • \Users\Admin\AppData\Local\Temp\is-SL7GP.tmp\_isetup\_shfoldr.dll

    Filesize

    22KB

    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • \Users\Admin\AppData\Local\Temp\is-SL7GP.tmp\_isetup\_shfoldr.dll

    Filesize

    22KB

    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • memory/836-66-0x0000000000390000-0x00000000003C7000-memory.dmp

    Filesize

    220KB

  • memory/1944-54-0x0000000076831000-0x0000000076833000-memory.dmp

    Filesize

    8KB

  • memory/1944-55-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/1944-58-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB

  • memory/1944-67-0x0000000000400000-0x0000000000418000-memory.dmp

    Filesize

    96KB