Analysis

  • max time kernel
    138s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 14:42

General

  • Target

    2b8231155415c321f5ab7415da6345043d733e65773d4b3431abb2bd2202e9ac.exe

  • Size

    2.9MB

  • MD5

    673f9ef84d3cb17b001af503f99a0525

  • SHA1

    3842a5a3d139fc63c1b0550c6ea0161b2ce9453f

  • SHA256

    2b8231155415c321f5ab7415da6345043d733e65773d4b3431abb2bd2202e9ac

  • SHA512

    53213c06e3780a37a63cbee7c60af5d55d6559356285c7c006beeb7728d6d5903331a458fe445324a6e90d3ae5b78ce3be097d8e2e96fb1eb4aceb918d33083d

  • SSDEEP

    49152:WPVNOS3KcO1qCypOUQnMavAa4yy+1tJhhp1gw7wNx4b8q:WSq9Vqb9ymhpWLNxs

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.

  • Drops Chrome extension 5 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 8 IoCs

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

  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 8 IoCs
  • Modifies Internet Explorer settings 1 TTPs 8 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2b8231155415c321f5ab7415da6345043d733e65773d4b3431abb2bd2202e9ac.exe
    "C:\Users\Admin\AppData\Local\Temp\2b8231155415c321f5ab7415da6345043d733e65773d4b3431abb2bd2202e9ac.exe"
    1⤵
    • Loads dropped DLL
    • Drops Chrome extension
    • Installs/modifies Browser Helper Object
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:4260
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32.exe /s "C:\Program Files (x86)\GoSuaveo\DnOf6s7L1qxITy.x64.dll"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1776
      • C:\Windows\system32\regsvr32.exe
        /s "C:\Program Files (x86)\GoSuaveo\DnOf6s7L1qxITy.x64.dll"
        3⤵
        • Registers COM server for autorun
        • Loads dropped DLL
        • Installs/modifies Browser Helper Object
        • Modifies Internet Explorer settings
        • Modifies registry class
        PID:644
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
    1⤵
      PID:1308
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
      1⤵
        PID:2828

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\GoSuaveo\DnOf6s7L1qxITy.dat

        Filesize

        4KB

        MD5

        35787bfe1877def233c25d9d05b76133

        SHA1

        100ca424c81a15f7b3f1458af96cc382d31b6d2e

        SHA256

        99426f9b0207015146d4a79806cecc0e9076c9214c05cca5a6cfb70d514967ce

        SHA512

        6dc16193cd33608acccf7b78941e505233e194525355864821bb84644cb11f559169b4d24257b7b40491d6fec759c6f20d2aee2435ec7cc7b80da27dc1ad48cd

      • C:\Program Files (x86)\GoSuaveo\DnOf6s7L1qxITy.dll

        Filesize

        608KB

        MD5

        0355269639d03f0c96b5c995a7fba557

        SHA1

        cf31506688e2c1f6bde3ea2046b39fb3cd45b1d6

        SHA256

        0e85dc783dd8d135e42e416497a6d85064af196fc4bdd208412c7d64ee5b5db6

        SHA512

        1121d570556897ed2585ad21101077cf52c4a9fad69abae2842ef28d12ca8ddbebce9978cff083b891bcc0ea36042ea87939b0d2632530cb4973186157741038

      • C:\Program Files (x86)\GoSuaveo\DnOf6s7L1qxITy.tlb

        Filesize

        3KB

        MD5

        ea16e050c57b164fa84e8b82443a3439

        SHA1

        2b01b56bdb8a5986cd02cb510cac1a3918d11db9

        SHA256

        295f4a7b9258487bd55889369a50d086e861b5889dc3cf8be0302ad000d12eff

        SHA512

        29227cb3678e31072770d85910bc63584a3b291a6733cbb7d71e9ed86b8b2dff8bb4c74b126477af622a63dde3e7b30ee84ade54eff583711f1166e5c3ae568a

      • C:\Program Files (x86)\GoSuaveo\DnOf6s7L1qxITy.x64.dll

        Filesize

        688KB

        MD5

        77bc36cf62b98793a117eb936dc55624

        SHA1

        9e4163cd0ad341f2e0bc3c8c3ddd6c16b8172be2

        SHA256

        cc3a5b6b87d7838938b1e348b9025928cfc813727a39738f9681828b66a7dde7

        SHA512

        472cc986e07d9bc226117c7bf1ea18c4c5a30e161e861c11e74e59bddbd3ae5c89dc21f5a29a0e23613fad345d7e51a961079a3a57bb84928d87cada8befc089

      • C:\Program Files (x86)\GoSuaveo\DnOf6s7L1qxITy.x64.dll

        Filesize

        688KB

        MD5

        77bc36cf62b98793a117eb936dc55624

        SHA1

        9e4163cd0ad341f2e0bc3c8c3ddd6c16b8172be2

        SHA256

        cc3a5b6b87d7838938b1e348b9025928cfc813727a39738f9681828b66a7dde7

        SHA512

        472cc986e07d9bc226117c7bf1ea18c4c5a30e161e861c11e74e59bddbd3ae5c89dc21f5a29a0e23613fad345d7e51a961079a3a57bb84928d87cada8befc089

      • C:\Program Files (x86)\GoSuaveo\DnOf6s7L1qxITy.x64.dll

        Filesize

        688KB

        MD5

        77bc36cf62b98793a117eb936dc55624

        SHA1

        9e4163cd0ad341f2e0bc3c8c3ddd6c16b8172be2

        SHA256

        cc3a5b6b87d7838938b1e348b9025928cfc813727a39738f9681828b66a7dde7

        SHA512

        472cc986e07d9bc226117c7bf1ea18c4c5a30e161e861c11e74e59bddbd3ae5c89dc21f5a29a0e23613fad345d7e51a961079a3a57bb84928d87cada8befc089

      • memory/644-162-0x0000000000000000-mapping.dmp

      • memory/1776-159-0x0000000000000000-mapping.dmp

      • memory/4260-132-0x00000000032F0000-0x0000000003397000-memory.dmp

        Filesize

        668KB