Analysis

  • max time kernel
    142s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-10-2023 08:00

General

  • Target

    69bbce558e0f0e8ee2af1b37f0040410682c172d5b13e87c100944aa91fadbac.exe

  • Size

    4.8MB

  • MD5

    b537d8d5683a810bd4ffcf5ca06ae49d

  • SHA1

    43f0dc0ba2be113ffac8ecbb50204f7896e2205c

  • SHA256

    69bbce558e0f0e8ee2af1b37f0040410682c172d5b13e87c100944aa91fadbac

  • SHA512

    e58b1a9f7271396f25d0f00945a52edd3751f3693dd08e8c4df7259bd45f349672579b0cbd484e9cd90a41c4ecc249722032114ff9f84c772a253533e52f1df5

  • SSDEEP

    98304:DIdfiKLegiKBVPG5o28N15nMApRENOJtS1XhvS:4jLdz28N1oISjvS

Malware Config

Signatures

  • Loads dropped DLL 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

Processes

  • C:\Users\Admin\AppData\Local\Temp\69bbce558e0f0e8ee2af1b37f0040410682c172d5b13e87c100944aa91fadbac.exe
    "C:\Users\Admin\AppData\Local\Temp\69bbce558e0f0e8ee2af1b37f0040410682c172d5b13e87c100944aa91fadbac.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    PID:4892

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\{20E75924-DC06-4bc2-82F3-D0A9F7F1C64E}.tmp\NetBridge.dll

    Filesize

    238KB

    MD5

    8786d469338c30e0ba9fedfc62bd5197

    SHA1

    5fb12028ceae9772f938e1b98b699f0e02e32718

    SHA256

    beeaf8b72f7008e9adabacfcd85e32a50747a0dfb5c86802aeb973bd1f5c3d2f

    SHA512

    5db1e5b78e62cda81a63e8e712e720f87a7c7a539237a55a9098c076f9fb4e0b5adb83383c23657b4ccc90c117e55e3946a399cdf3d15cb94444b203d9d6c45c

  • C:\Users\Admin\AppData\Local\Temp\{20E75924-DC06-4bc2-82F3-D0A9F7F1C64E}.tmp\NetBridge.dll

    Filesize

    238KB

    MD5

    8786d469338c30e0ba9fedfc62bd5197

    SHA1

    5fb12028ceae9772f938e1b98b699f0e02e32718

    SHA256

    beeaf8b72f7008e9adabacfcd85e32a50747a0dfb5c86802aeb973bd1f5c3d2f

    SHA512

    5db1e5b78e62cda81a63e8e712e720f87a7c7a539237a55a9098c076f9fb4e0b5adb83383c23657b4ccc90c117e55e3946a399cdf3d15cb94444b203d9d6c45c

  • C:\Users\Admin\AppData\Local\Temp\{4984E3BB-1591-423f-8343-7F8011E07721}.tmp\7z.dll

    Filesize

    1.1MB

    MD5

    2706693dda10c6cc79eed24c56d4e5ef

    SHA1

    4f34ef1bd49273a0d260b9dab15c73eb0ccb6383

    SHA256

    0edad8a1af22d5b97c1f324791c86243a6ecce7b5a9d2f30415af99aba9129c3

    SHA512

    7e7f7ae894528587ba33b6e10999549bb9a2ec2748b5662fa1b8806e5f4ce33af47507b3ef2954f2747a76b5b7c775c1cd671061f577c5016d1f8ba165bbe21c

  • C:\Users\Admin\AppData\Local\Temp\{4984E3BB-1591-423f-8343-7F8011E07721}.tmp\7z.dll

    Filesize

    1.1MB

    MD5

    2706693dda10c6cc79eed24c56d4e5ef

    SHA1

    4f34ef1bd49273a0d260b9dab15c73eb0ccb6383

    SHA256

    0edad8a1af22d5b97c1f324791c86243a6ecce7b5a9d2f30415af99aba9129c3

    SHA512

    7e7f7ae894528587ba33b6e10999549bb9a2ec2748b5662fa1b8806e5f4ce33af47507b3ef2954f2747a76b5b7c775c1cd671061f577c5016d1f8ba165bbe21c