Analysis

  • max time kernel
    32s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 05:09

General

  • Target

    0a9561865c29160a23abf56753fb069d7d8a00455db338db7c400ce12d6d9ed4.exe

  • Size

    4.4MB

  • MD5

    157b2acb23ee2d40ab08ab8f269fbd52

  • SHA1

    cae628a2ef1ee67c59dc93f8506459b7f257f0f0

  • SHA256

    0a9561865c29160a23abf56753fb069d7d8a00455db338db7c400ce12d6d9ed4

  • SHA512

    d26e0ca109fd12b10e253f664bd115520a7fe3f670d3797a9bcb322bc4b48d73f8c89df56e67c5b1e1a672217611fddb7ca9cbf57d9479f160ddcaf1783f08e2

  • SSDEEP

    49152:mqk09VB9O6uUkK6Dmxup4/c6MUWgLptOyCzP5jL9buOBqFJB+lyzEJ3jGy:1/POIB6aWkpthCzP5FbuOBqFeYiTG

Malware Config

Signatures

  • Registers COM server for autorun 1 TTPs 4 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

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

  • Installs/modifies Browser Helper Object 2 TTPs 8 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in Program Files directory 8 IoCs
  • Modifies Internet Explorer settings 1 TTPs 8 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0a9561865c29160a23abf56753fb069d7d8a00455db338db7c400ce12d6d9ed4.exe
    "C:\Users\Admin\AppData\Local\Temp\0a9561865c29160a23abf56753fb069d7d8a00455db338db7c400ce12d6d9ed4.exe"
    1⤵
    • Loads dropped DLL
    • Installs/modifies Browser Helper Object
    • Drops file in Program Files directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:688
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32.exe /s "C:\Program Files (x86)\YoutubeAdBlocke\3EWm0Y4ktzvK6U.x64.dll"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:948
      • C:\Windows\system32\regsvr32.exe
        /s "C:\Program Files (x86)\YoutubeAdBlocke\3EWm0Y4ktzvK6U.x64.dll"
        3⤵
        • Registers COM server for autorun
        • Loads dropped DLL
        • Installs/modifies Browser Helper Object
        • Modifies Internet Explorer settings
        • Modifies registry class
        PID:1724

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\YoutubeAdBlocke\3EWm0Y4ktzvK6U.dat

    Filesize

    4KB

    MD5

    a0f705478d7d46c1f01c8cc5cc99fec9

    SHA1

    babde6c4d5fe520b320e7868cc8f266b1bf8e4b5

    SHA256

    298a5357344ae16604932773bad234826d392090c91520aa6f239fd159b4d20f

    SHA512

    b7a720c8f9e5ba1b6ea6d6a8d931d7e9d1610a865395a25455872ecc10a3b8d3d1464e87df6744109ba665d03d58c88648bbf368f2e776a29c15f50b4fd722db

  • C:\Program Files (x86)\YoutubeAdBlocke\3EWm0Y4ktzvK6U.tlb

    Filesize

    3KB

    MD5

    e3ab22d8beac0180520ab5289a64419b

    SHA1

    1456ba2c78b293e5a80185fefdf05f5dbe424937

    SHA256

    0d3342857b67678dd76e6a24e137f0d75ba399bb48bf5095d7e4f7dfa0bbe416

    SHA512

    c04163026ffa1c6fab34b4fdbf23702148c7c2a31dd356d26f9541027db078b6433aff3a5f749a209a3acbcf3a853a9b5f77984540e21be1f823ce92bcbfc4bf

  • C:\Program Files (x86)\YoutubeAdBlocke\3EWm0Y4ktzvK6U.x64.dll

    Filesize

    872KB

    MD5

    337b97dbbcc7ad4d75fb5a90652e6de3

    SHA1

    50e50243af1819e62a7512d85e6dd67b8e1ed103

    SHA256

    b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

    SHA512

    dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

  • \Program Files (x86)\YoutubeAdBlocke\3EWm0Y4ktzvK6U.dll

    Filesize

    738KB

    MD5

    49961c7c9a7aef57f49adf50d1c810f6

    SHA1

    fc2078aeff5d5abee27c9e8a500cb2d6ae755b05

    SHA256

    c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846

    SHA512

    8ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f

  • \Program Files (x86)\YoutubeAdBlocke\3EWm0Y4ktzvK6U.x64.dll

    Filesize

    872KB

    MD5

    337b97dbbcc7ad4d75fb5a90652e6de3

    SHA1

    50e50243af1819e62a7512d85e6dd67b8e1ed103

    SHA256

    b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

    SHA512

    dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

  • \Program Files (x86)\YoutubeAdBlocke\3EWm0Y4ktzvK6U.x64.dll

    Filesize

    872KB

    MD5

    337b97dbbcc7ad4d75fb5a90652e6de3

    SHA1

    50e50243af1819e62a7512d85e6dd67b8e1ed103

    SHA256

    b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

    SHA512

    dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

  • memory/688-54-0x0000000074D61000-0x0000000074D63000-memory.dmp

    Filesize

    8KB

  • memory/688-55-0x0000000002C40000-0x0000000002D09000-memory.dmp

    Filesize

    804KB

  • memory/948-61-0x0000000000000000-mapping.dmp

  • memory/1724-65-0x0000000000000000-mapping.dmp

  • memory/1724-66-0x000007FEFB801000-0x000007FEFB803000-memory.dmp

    Filesize

    8KB