Analysis

  • max time kernel
    150s
  • max time network
    163s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 05:18

General

  • Target

    70f88e19640230c358a0683e1aa40bfb8093ad898792ea2d6d632ae159f950c7.exe

  • Size

    4.1MB

  • MD5

    4380800cb5554481a8e3f22e0aec1dc6

  • SHA1

    39751e6da10c624ee0ee441515e78866d4759cdb

  • SHA256

    70f88e19640230c358a0683e1aa40bfb8093ad898792ea2d6d632ae159f950c7

  • SHA512

    be9c7cebe6410fedbf5a476e5b6240255023530f5beb46a23e38bb62307f6a6252e8bca8537e0a5c9ff380262a164cb0532154e08fd58e3f44ed9d11b0e23d6a

  • SSDEEP

    49152:Zc+mE815o/IC2jsB1A0wzpOnfwZU5Bcumd9Q+G0ytbuwXO8jsnHsiLw8LQYro:Z1mNXCXcprlOuKO8C/Lwru

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\70f88e19640230c358a0683e1aa40bfb8093ad898792ea2d6d632ae159f950c7.exe
    "C:\Users\Admin\AppData\Local\Temp\70f88e19640230c358a0683e1aa40bfb8093ad898792ea2d6d632ae159f950c7.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:3500
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32.exe /s "C:\Program Files (x86)\YoutubeAdBlocke\e8QChl9AGDaRBx.x64.dll"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:4908
      • C:\Windows\system32\regsvr32.exe
        /s "C:\Program Files (x86)\YoutubeAdBlocke\e8QChl9AGDaRBx.x64.dll"
        3⤵
        • Registers COM server for autorun
        • Loads dropped DLL
        • Installs/modifies Browser Helper Object
        • Modifies Internet Explorer settings
        • Modifies registry class
        PID:2072

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\e8QChl9AGDaRBx.dat
    Filesize

    4KB

    MD5

    c1a5b799c2fd005d233132fd42651e7f

    SHA1

    7d1ddb6b451711b45fbb304a0872621a25a628c7

    SHA256

    a7fa7481f0b0e9b325a67bdb561957b1c86ed2111313a39342b40f76cd8d2220

    SHA512

    4452cc002f5ac650cfb50f7ac471621d8f768fa263bda46ac82b2fca2a4ed57c2b5728f3a1750e642e88ee030b5982492a4b595d56921c8e75fe5fc6972a7195

  • C:\Program Files (x86)\YoutubeAdBlocke\e8QChl9AGDaRBx.dll
    Filesize

    750KB

    MD5

    a1e5276fa264891a2394cfb992fef753

    SHA1

    3fc9b45acb1feaf1799f70cf93a965221ffe492e

    SHA256

    7d25cce7e647fbee7c157d7cad8b3a12abb66fa3b992adfede9de78687b69838

    SHA512

    ded2b69d13d0f6dd0b7f1fb0b6e8dd0ff1e6705ef5ecae284421826b630de43f0fc7c7783c3246c9fe31dedf07e35e3051366abcc666dec7ff6fe06416c62fcd

  • C:\Program Files (x86)\YoutubeAdBlocke\e8QChl9AGDaRBx.tlb
    Filesize

    3KB

    MD5

    6bdd6ba23e0c129c5b4fa1a141aa21f6

    SHA1

    beef025f5611f84ce53f24e58435f070f92c064f

    SHA256

    14f706e58b4e332e1bc9b6fc6c650097db6e0ea91ac7ad0064aba01832ddd990

    SHA512

    828d9f58efd731252209ea1ed7d092c9e88190b81272fa704c8cb963f5f9d91172610b90e0bce763c0f5207b10d67d0fc4eb31294fd89dde2a260a19d324bc1b

  • C:\Program Files (x86)\YoutubeAdBlocke\e8QChl9AGDaRBx.x64.dll
    Filesize

    882KB

    MD5

    0827270a2d7dca4230839de0511d4280

    SHA1

    264ce2775315b06a37cd51d7152df58e29a11b60

    SHA256

    6863740f9ed110fbf10ef18b8732ada23f4db42e998214ed97a09f5fbdd7571b

    SHA512

    d1bf285d6b084920c8d03170cc317939a6a5a3c8b67f71064478fc02feba512a1bffe7f10da424efd6441e61933af777b70c5ace4dce582a0b2bd3a02bdc76c4

  • C:\Program Files (x86)\YoutubeAdBlocke\e8QChl9AGDaRBx.x64.dll
    Filesize

    882KB

    MD5

    0827270a2d7dca4230839de0511d4280

    SHA1

    264ce2775315b06a37cd51d7152df58e29a11b60

    SHA256

    6863740f9ed110fbf10ef18b8732ada23f4db42e998214ed97a09f5fbdd7571b

    SHA512

    d1bf285d6b084920c8d03170cc317939a6a5a3c8b67f71064478fc02feba512a1bffe7f10da424efd6441e61933af777b70c5ace4dce582a0b2bd3a02bdc76c4

  • C:\Program Files (x86)\YoutubeAdBlocke\e8QChl9AGDaRBx.x64.dll
    Filesize

    882KB

    MD5

    0827270a2d7dca4230839de0511d4280

    SHA1

    264ce2775315b06a37cd51d7152df58e29a11b60

    SHA256

    6863740f9ed110fbf10ef18b8732ada23f4db42e998214ed97a09f5fbdd7571b

    SHA512

    d1bf285d6b084920c8d03170cc317939a6a5a3c8b67f71064478fc02feba512a1bffe7f10da424efd6441e61933af777b70c5ace4dce582a0b2bd3a02bdc76c4

  • memory/2072-141-0x0000000000000000-mapping.dmp
  • memory/3500-132-0x0000000000F10000-0x0000000000FDA000-memory.dmp
    Filesize

    808KB

  • memory/4908-138-0x0000000000000000-mapping.dmp