Analysis

  • max time kernel
    44s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 12:46

General

  • Target

    3b0d63bf5ffd40694cca085185a6fb8eac29aa5284a6d4601f777b9b94952362.exe

  • Size

    4.1MB

  • MD5

    e62d4ef632b64dc3f04167fc482b47b0

  • SHA1

    d4766f546608d3b00e2189d406fd18319cb09760

  • SHA256

    3b0d63bf5ffd40694cca085185a6fb8eac29aa5284a6d4601f777b9b94952362

  • SHA512

    e05460b627cccbea92aaf4da9c738384236253fe170c2f99cd713dc516ebdd243f2b8cb281b5e96b507e5a4fd223ece5c0cdf080cc9a1761b5a189a35129e60b

  • SSDEEP

    49152:PpYmvfKaT/SVDjsBVA0wzJunfwZU5BcumfKbUT9FipSya1w/PMtn8NE3I9HmLw:P6m9GVg8JpKb66aaPMtEE3IhU

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\3b0d63bf5ffd40694cca085185a6fb8eac29aa5284a6d4601f777b9b94952362.exe
    "C:\Users\Admin\AppData\Local\Temp\3b0d63bf5ffd40694cca085185a6fb8eac29aa5284a6d4601f777b9b94952362.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:1368
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32.exe /s "C:\Program Files (x86)\YoutubeAdBlocke\dnp5Jcvw5wgBVX.x64.dll"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:584
      • C:\Windows\system32\regsvr32.exe
        /s "C:\Program Files (x86)\YoutubeAdBlocke\dnp5Jcvw5wgBVX.x64.dll"
        3⤵
        • Registers COM server for autorun
        • Loads dropped DLL
        • Installs/modifies Browser Helper Object
        • Modifies Internet Explorer settings
        • Modifies registry class
        PID:1168

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\YoutubeAdBlocke\dnp5Jcvw5wgBVX.dat

    Filesize

    4KB

    MD5

    f6f475c7df992d042bb1ec33f568f96f

    SHA1

    1443912574afcbf6ee0aafaf11d4c63ad8b80f29

    SHA256

    41a1521bd960c91ea84e6ef0b0d844cae1ac2dbcc8f0401096b71c1b2a3e7689

    SHA512

    c678eefcee7617927dea9ab8ec2498a09a1d12b5db1a90c21041f5d5275566d9bbe798323a7e1f78fb437a87448161dec02975e37b6e45dc440ead5418b42b5f

  • C:\Program Files (x86)\YoutubeAdBlocke\dnp5Jcvw5wgBVX.tlb

    Filesize

    3KB

    MD5

    6bdd6ba23e0c129c5b4fa1a141aa21f6

    SHA1

    beef025f5611f84ce53f24e58435f070f92c064f

    SHA256

    14f706e58b4e332e1bc9b6fc6c650097db6e0ea91ac7ad0064aba01832ddd990

    SHA512

    828d9f58efd731252209ea1ed7d092c9e88190b81272fa704c8cb963f5f9d91172610b90e0bce763c0f5207b10d67d0fc4eb31294fd89dde2a260a19d324bc1b

  • C:\Program Files (x86)\YoutubeAdBlocke\dnp5Jcvw5wgBVX.x64.dll

    Filesize

    882KB

    MD5

    0827270a2d7dca4230839de0511d4280

    SHA1

    264ce2775315b06a37cd51d7152df58e29a11b60

    SHA256

    6863740f9ed110fbf10ef18b8732ada23f4db42e998214ed97a09f5fbdd7571b

    SHA512

    d1bf285d6b084920c8d03170cc317939a6a5a3c8b67f71064478fc02feba512a1bffe7f10da424efd6441e61933af777b70c5ace4dce582a0b2bd3a02bdc76c4

  • \Program Files (x86)\YoutubeAdBlocke\dnp5Jcvw5wgBVX.dll

    Filesize

    750KB

    MD5

    a1e5276fa264891a2394cfb992fef753

    SHA1

    3fc9b45acb1feaf1799f70cf93a965221ffe492e

    SHA256

    7d25cce7e647fbee7c157d7cad8b3a12abb66fa3b992adfede9de78687b69838

    SHA512

    ded2b69d13d0f6dd0b7f1fb0b6e8dd0ff1e6705ef5ecae284421826b630de43f0fc7c7783c3246c9fe31dedf07e35e3051366abcc666dec7ff6fe06416c62fcd

  • \Program Files (x86)\YoutubeAdBlocke\dnp5Jcvw5wgBVX.x64.dll

    Filesize

    882KB

    MD5

    0827270a2d7dca4230839de0511d4280

    SHA1

    264ce2775315b06a37cd51d7152df58e29a11b60

    SHA256

    6863740f9ed110fbf10ef18b8732ada23f4db42e998214ed97a09f5fbdd7571b

    SHA512

    d1bf285d6b084920c8d03170cc317939a6a5a3c8b67f71064478fc02feba512a1bffe7f10da424efd6441e61933af777b70c5ace4dce582a0b2bd3a02bdc76c4

  • \Program Files (x86)\YoutubeAdBlocke\dnp5Jcvw5wgBVX.x64.dll

    Filesize

    882KB

    MD5

    0827270a2d7dca4230839de0511d4280

    SHA1

    264ce2775315b06a37cd51d7152df58e29a11b60

    SHA256

    6863740f9ed110fbf10ef18b8732ada23f4db42e998214ed97a09f5fbdd7571b

    SHA512

    d1bf285d6b084920c8d03170cc317939a6a5a3c8b67f71064478fc02feba512a1bffe7f10da424efd6441e61933af777b70c5ace4dce582a0b2bd3a02bdc76c4

  • memory/584-66-0x0000000000000000-mapping.dmp

  • memory/1168-70-0x0000000000000000-mapping.dmp

  • memory/1168-71-0x000007FEFB641000-0x000007FEFB643000-memory.dmp

    Filesize

    8KB

  • memory/1368-54-0x0000000074E41000-0x0000000074E43000-memory.dmp

    Filesize

    8KB

  • memory/1368-55-0x0000000000D10000-0x0000000000DDA000-memory.dmp

    Filesize

    808KB