Analysis

  • max time kernel
    155s
  • max time network
    180s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 05:18

General

  • Target

    0767593ce0b80ebce4eedf8e7f862f2cdbb26434f75898712acfe57a7eabb206.exe

  • Size

    4.1MB

  • MD5

    27744e6ef937da563287af35ea3233f7

  • SHA1

    a56243b3d44122e5edf37e3387e370c0452290df

  • SHA256

    0767593ce0b80ebce4eedf8e7f862f2cdbb26434f75898712acfe57a7eabb206

  • SHA512

    29888e1931da8c1c5e0a788a6997beefa6f42c569dd973bd0a5caebd03d8b0fcd59b168ae57ed0a407c7dc893916e46fa60fcbde29054c9515a2d6cc5d9e55cc

  • SSDEEP

    49152:thPmCbb2GwxmyjQpyA0wX8FnfwZU5BcumFKbUT9FiouwRO8jsnHsiLw8LQrlx:tZm7bmPP8SKb6RugO8C/LwrR

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 5 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0767593ce0b80ebce4eedf8e7f862f2cdbb26434f75898712acfe57a7eabb206.exe
    "C:\Users\Admin\AppData\Local\Temp\0767593ce0b80ebce4eedf8e7f862f2cdbb26434f75898712acfe57a7eabb206.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:3024
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32.exe /s "C:\Program Files (x86)\YoutubeAdBlocke\UxcpRH8PXX54ts.x64.dll"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:308
      • C:\Windows\system32\regsvr32.exe
        /s "C:\Program Files (x86)\YoutubeAdBlocke\UxcpRH8PXX54ts.x64.dll"
        3⤵
        • Registers COM server for autorun
        • Loads dropped DLL
        • Installs/modifies Browser Helper Object
        • Modifies Internet Explorer settings
        • Modifies registry class
        PID:4984

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Browser Extensions

1
T1176

Defense Evasion

Modify Registry

3
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\YoutubeAdBlocke\UxcpRH8PXX54ts.dat
    Filesize

    4KB

    MD5

    7f54a2a03b14d78db590563de1f23869

    SHA1

    9c9dec9a4f48f611c1d69b5945f4520d342f5cf6

    SHA256

    27401dbe13ab95f5b53a0c8b2963e20b6b6239774cb9937e795bd08ce833c642

    SHA512

    eb37111a7a5a70c51c52b0a47dc15fe1426f4dfda7491fadd3d075c9abc686ba37e7b07186a0561dbc66de817970aca511c37a8bcf0ab4cb18a6f8d2af6dbc2c

  • C:\Program Files (x86)\YoutubeAdBlocke\UxcpRH8PXX54ts.dll
    Filesize

    750KB

    MD5

    a1e5276fa264891a2394cfb992fef753

    SHA1

    3fc9b45acb1feaf1799f70cf93a965221ffe492e

    SHA256

    7d25cce7e647fbee7c157d7cad8b3a12abb66fa3b992adfede9de78687b69838

    SHA512

    ded2b69d13d0f6dd0b7f1fb0b6e8dd0ff1e6705ef5ecae284421826b630de43f0fc7c7783c3246c9fe31dedf07e35e3051366abcc666dec7ff6fe06416c62fcd

  • C:\Program Files (x86)\YoutubeAdBlocke\UxcpRH8PXX54ts.tlb
    Filesize

    3KB

    MD5

    6bdd6ba23e0c129c5b4fa1a141aa21f6

    SHA1

    beef025f5611f84ce53f24e58435f070f92c064f

    SHA256

    14f706e58b4e332e1bc9b6fc6c650097db6e0ea91ac7ad0064aba01832ddd990

    SHA512

    828d9f58efd731252209ea1ed7d092c9e88190b81272fa704c8cb963f5f9d91172610b90e0bce763c0f5207b10d67d0fc4eb31294fd89dde2a260a19d324bc1b

  • C:\Program Files (x86)\YoutubeAdBlocke\UxcpRH8PXX54ts.x64.dll
    Filesize

    882KB

    MD5

    0827270a2d7dca4230839de0511d4280

    SHA1

    264ce2775315b06a37cd51d7152df58e29a11b60

    SHA256

    6863740f9ed110fbf10ef18b8732ada23f4db42e998214ed97a09f5fbdd7571b

    SHA512

    d1bf285d6b084920c8d03170cc317939a6a5a3c8b67f71064478fc02feba512a1bffe7f10da424efd6441e61933af777b70c5ace4dce582a0b2bd3a02bdc76c4

  • C:\Program Files (x86)\YoutubeAdBlocke\UxcpRH8PXX54ts.x64.dll
    Filesize

    882KB

    MD5

    0827270a2d7dca4230839de0511d4280

    SHA1

    264ce2775315b06a37cd51d7152df58e29a11b60

    SHA256

    6863740f9ed110fbf10ef18b8732ada23f4db42e998214ed97a09f5fbdd7571b

    SHA512

    d1bf285d6b084920c8d03170cc317939a6a5a3c8b67f71064478fc02feba512a1bffe7f10da424efd6441e61933af777b70c5ace4dce582a0b2bd3a02bdc76c4

  • C:\Program Files (x86)\YoutubeAdBlocke\UxcpRH8PXX54ts.x64.dll
    Filesize

    882KB

    MD5

    0827270a2d7dca4230839de0511d4280

    SHA1

    264ce2775315b06a37cd51d7152df58e29a11b60

    SHA256

    6863740f9ed110fbf10ef18b8732ada23f4db42e998214ed97a09f5fbdd7571b

    SHA512

    d1bf285d6b084920c8d03170cc317939a6a5a3c8b67f71064478fc02feba512a1bffe7f10da424efd6441e61933af777b70c5ace4dce582a0b2bd3a02bdc76c4

  • memory/308-138-0x0000000000000000-mapping.dmp
  • memory/3024-132-0x0000000002FA0000-0x000000000306A000-memory.dmp
    Filesize

    808KB

  • memory/4984-141-0x0000000000000000-mapping.dmp