Analysis

  • max time kernel
    5s
  • max time network
    31s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 22:07

General

  • Target

    93995f07da5b6118738c91009014664c58c1b65997164dd44d60bd6860763ede.exe

  • Size

    4.1MB

  • MD5

    08da211c0e6a3214251b11bf336c3642

  • SHA1

    14cf04d4439d166a3ada5c7d6924b15019b3e888

  • SHA256

    93995f07da5b6118738c91009014664c58c1b65997164dd44d60bd6860763ede

  • SHA512

    ae0b6e7abcdd12fa669eb36da047701435bad1819db2a5d5e7a64a2b914db4a192e0bb7b49b91809aeb06a72264e8a94ce47589a3adff6f4e2473f33b687bb9c

  • SSDEEP

    49152:H8/mzbJFiVnGMjQhSA0wEZlnfwZU5BcumLKbUT9Fi2uwZw/PMtn8NE3I9HtTs:H8m/kGpcZYKb6vuVPMtEE3Ihh

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\93995f07da5b6118738c91009014664c58c1b65997164dd44d60bd6860763ede.exe
    "C:\Users\Admin\AppData\Local\Temp\93995f07da5b6118738c91009014664c58c1b65997164dd44d60bd6860763ede.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:1220
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32.exe /s "C:\Program Files (x86)\YoutubeAdBlocke\YGiygFBx2N43Kg.x64.dll"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1124
      • C:\Windows\system32\regsvr32.exe
        /s "C:\Program Files (x86)\YoutubeAdBlocke\YGiygFBx2N43Kg.x64.dll"
        3⤵
        • Registers COM server for autorun
        • Loads dropped DLL
        • Installs/modifies Browser Helper Object
        • Modifies Internet Explorer settings
        • Modifies registry class
        PID:1428

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\YGiygFBx2N43Kg.dat
    Filesize

    4KB

    MD5

    d8e2476d75ede33e65c62303a6a60adb

    SHA1

    01f5589eb3822d30d8b2c79e5f6092340c714f14

    SHA256

    54e4d9f1b57fcde681f26c63f23ef38ee0d91d97048c2dd4d1e3b7c2397133e0

    SHA512

    b5f2bf4395e4c8268c5d3347b4167bbdf89b24ada2266844a0001ca7eb01e48b1ba0dcd10d617790be78e01c485a0b5835969d778ef67fcd73e87c97818aa2aa

  • C:\Program Files (x86)\YoutubeAdBlocke\YGiygFBx2N43Kg.tlb
    Filesize

    3KB

    MD5

    6bdd6ba23e0c129c5b4fa1a141aa21f6

    SHA1

    beef025f5611f84ce53f24e58435f070f92c064f

    SHA256

    14f706e58b4e332e1bc9b6fc6c650097db6e0ea91ac7ad0064aba01832ddd990

    SHA512

    828d9f58efd731252209ea1ed7d092c9e88190b81272fa704c8cb963f5f9d91172610b90e0bce763c0f5207b10d67d0fc4eb31294fd89dde2a260a19d324bc1b

  • C:\Program Files (x86)\YoutubeAdBlocke\YGiygFBx2N43Kg.x64.dll
    Filesize

    882KB

    MD5

    0827270a2d7dca4230839de0511d4280

    SHA1

    264ce2775315b06a37cd51d7152df58e29a11b60

    SHA256

    6863740f9ed110fbf10ef18b8732ada23f4db42e998214ed97a09f5fbdd7571b

    SHA512

    d1bf285d6b084920c8d03170cc317939a6a5a3c8b67f71064478fc02feba512a1bffe7f10da424efd6441e61933af777b70c5ace4dce582a0b2bd3a02bdc76c4

  • \Program Files (x86)\YoutubeAdBlocke\YGiygFBx2N43Kg.dll
    Filesize

    750KB

    MD5

    a1e5276fa264891a2394cfb992fef753

    SHA1

    3fc9b45acb1feaf1799f70cf93a965221ffe492e

    SHA256

    7d25cce7e647fbee7c157d7cad8b3a12abb66fa3b992adfede9de78687b69838

    SHA512

    ded2b69d13d0f6dd0b7f1fb0b6e8dd0ff1e6705ef5ecae284421826b630de43f0fc7c7783c3246c9fe31dedf07e35e3051366abcc666dec7ff6fe06416c62fcd

  • \Program Files (x86)\YoutubeAdBlocke\YGiygFBx2N43Kg.x64.dll
    Filesize

    882KB

    MD5

    0827270a2d7dca4230839de0511d4280

    SHA1

    264ce2775315b06a37cd51d7152df58e29a11b60

    SHA256

    6863740f9ed110fbf10ef18b8732ada23f4db42e998214ed97a09f5fbdd7571b

    SHA512

    d1bf285d6b084920c8d03170cc317939a6a5a3c8b67f71064478fc02feba512a1bffe7f10da424efd6441e61933af777b70c5ace4dce582a0b2bd3a02bdc76c4

  • \Program Files (x86)\YoutubeAdBlocke\YGiygFBx2N43Kg.x64.dll
    Filesize

    882KB

    MD5

    0827270a2d7dca4230839de0511d4280

    SHA1

    264ce2775315b06a37cd51d7152df58e29a11b60

    SHA256

    6863740f9ed110fbf10ef18b8732ada23f4db42e998214ed97a09f5fbdd7571b

    SHA512

    d1bf285d6b084920c8d03170cc317939a6a5a3c8b67f71064478fc02feba512a1bffe7f10da424efd6441e61933af777b70c5ace4dce582a0b2bd3a02bdc76c4

  • memory/1124-61-0x0000000000000000-mapping.dmp
  • memory/1220-54-0x0000000075A91000-0x0000000075A93000-memory.dmp
    Filesize

    8KB

  • memory/1220-55-0x0000000000980000-0x0000000000A4A000-memory.dmp
    Filesize

    808KB

  • memory/1428-65-0x0000000000000000-mapping.dmp
  • memory/1428-66-0x000007FEFB5B1000-0x000007FEFB5B3000-memory.dmp
    Filesize

    8KB