Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/05/2024, 13:16

General

  • Target

    aa2deb248c5938a8d817e9e0c8a5f55079758d9de9261a57c61ce3488ecf6eaa.exe

  • Size

    5.1MB

  • MD5

    6800104620c314a1cb68080362eb8857

  • SHA1

    10b6a15e6338559e0b84353863961ee7af4fb22a

  • SHA256

    aa2deb248c5938a8d817e9e0c8a5f55079758d9de9261a57c61ce3488ecf6eaa

  • SHA512

    d7ff23e6b601c661f6714da56e9dbf4eb8cd228aa5ce62776794ecf50537be5490cc413331729b50c01184799530644b90c922bbe80cba44be71008968d37805

  • SSDEEP

    98304:N915R0LZrjMfiYaIz1SXwNTX1PfCt/U7mTcZBTtvtQo2x9vY/vBq:ND0LZrwfiYfbTkges/lq9vgvM

Malware Config

Signatures

  • Detect Socks5Systemz Payload 1 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Unexpected DNS network traffic destination 1 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\aa2deb248c5938a8d817e9e0c8a5f55079758d9de9261a57c61ce3488ecf6eaa.exe
    "C:\Users\Admin\AppData\Local\Temp\aa2deb248c5938a8d817e9e0c8a5f55079758d9de9261a57c61ce3488ecf6eaa.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2000
    • C:\Users\Admin\AppData\Local\Temp\is-GA8HS.tmp\aa2deb248c5938a8d817e9e0c8a5f55079758d9de9261a57c61ce3488ecf6eaa.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-GA8HS.tmp\aa2deb248c5938a8d817e9e0c8a5f55079758d9de9261a57c61ce3488ecf6eaa.tmp" /SL5="$7005E,5125098,54272,C:\Users\Admin\AppData\Local\Temp\aa2deb248c5938a8d817e9e0c8a5f55079758d9de9261a57c61ce3488ecf6eaa.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:4744
      • C:\Users\Admin\AppData\Local\Voicemod\voicemod32.exe
        "C:\Users\Admin\AppData\Local\Voicemod\voicemod32.exe" -i
        3⤵
        • Executes dropped EXE
        PID:944
      • C:\Users\Admin\AppData\Local\Voicemod\voicemod32.exe
        "C:\Users\Admin\AppData\Local\Voicemod\voicemod32.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2784

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\is-DV51B.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • C:\Users\Admin\AppData\Local\Temp\is-DV51B.tmp\_isetup\_isdecmp.dll

    Filesize

    13KB

    MD5

    a813d18268affd4763dde940246dc7e5

    SHA1

    c7366e1fd925c17cc6068001bd38eaef5b42852f

    SHA256

    e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

    SHA512

    b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

  • C:\Users\Admin\AppData\Local\Temp\is-GA8HS.tmp\aa2deb248c5938a8d817e9e0c8a5f55079758d9de9261a57c61ce3488ecf6eaa.tmp

    Filesize

    696KB

    MD5

    d260617c076409788e1d3f1de1565f24

    SHA1

    95b4ee43e0855bd522703a0d100670d79868dd27

    SHA256

    12ac4fcc396e4758253df1fdaa2f8fd0970045bd322a94edb3e9b74b3c23e508

    SHA512

    cca8e2dca90b99c73a6ca22f1a22dcb7bbe57c4ef850f5390aa6e68a620b65d210848a26666f86b61d2aebb2fdfbea4f986c672d67b145d8a72d90d02d498e78

  • C:\Users\Admin\AppData\Local\Voicemod\libeay32.dll

    Filesize

    1.9MB

    MD5

    876a839023b8f962a72d295da7495734

    SHA1

    62a7728679bc18784b1fbf1d013f7cece18cbec9

    SHA256

    a757d773da406411fb977761f6e56f016d48d224aedaf3d875ed4d4a9ede6158

    SHA512

    e1b23a2f5ec0100ff874ca075bbd0f90e9065a90fec66861f99df603d7aaa9db8e8ec326710fdc11ad41d01befe4ea3077136127acf613614d0d12ff23bec6c1

  • C:\Users\Admin\AppData\Local\Voicemod\voicemod32.exe

    Filesize

    2.1MB

    MD5

    a19c978df089c643eb5e32b5839f6f20

    SHA1

    286d67a390d01339b7c9fb9280b6e449e8200b86

    SHA256

    16e7de61eb306fe961dd629ce8b943a80e4ab9d141adfe0a656002cf934f61a0

    SHA512

    a5ede66a86a40aa05e1ba823ad96931036176d90c1ce131521c0054bc87f5b6b11e8d5b9647901efb3bfae0c8ba781995e5b52bf1ed54a962890351ee29d9e21

  • memory/944-65-0x0000000000400000-0x000000000061F000-memory.dmp

    Filesize

    2.1MB

  • memory/944-66-0x0000000000400000-0x000000000061F000-memory.dmp

    Filesize

    2.1MB

  • memory/944-69-0x0000000000400000-0x000000000061F000-memory.dmp

    Filesize

    2.1MB

  • memory/944-71-0x0000000000400000-0x000000000061F000-memory.dmp

    Filesize

    2.1MB

  • memory/2000-76-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2000-3-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/2000-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2784-95-0x0000000000400000-0x000000000061F000-memory.dmp

    Filesize

    2.1MB

  • memory/2784-110-0x0000000000400000-0x000000000061F000-memory.dmp

    Filesize

    2.1MB

  • memory/2784-122-0x0000000000400000-0x000000000061F000-memory.dmp

    Filesize

    2.1MB

  • memory/2784-78-0x0000000000400000-0x000000000061F000-memory.dmp

    Filesize

    2.1MB

  • memory/2784-81-0x0000000000400000-0x000000000061F000-memory.dmp

    Filesize

    2.1MB

  • memory/2784-84-0x0000000000400000-0x000000000061F000-memory.dmp

    Filesize

    2.1MB

  • memory/2784-87-0x0000000000400000-0x000000000061F000-memory.dmp

    Filesize

    2.1MB

  • memory/2784-90-0x0000000000400000-0x000000000061F000-memory.dmp

    Filesize

    2.1MB

  • memory/2784-91-0x0000000002450000-0x00000000024F2000-memory.dmp

    Filesize

    648KB

  • memory/2784-119-0x0000000000400000-0x000000000061F000-memory.dmp

    Filesize

    2.1MB

  • memory/2784-101-0x0000000000400000-0x000000000061F000-memory.dmp

    Filesize

    2.1MB

  • memory/2784-104-0x0000000000400000-0x000000000061F000-memory.dmp

    Filesize

    2.1MB

  • memory/2784-107-0x0000000000400000-0x000000000061F000-memory.dmp

    Filesize

    2.1MB

  • memory/2784-75-0x0000000000400000-0x000000000061F000-memory.dmp

    Filesize

    2.1MB

  • memory/2784-113-0x0000000000400000-0x000000000061F000-memory.dmp

    Filesize

    2.1MB

  • memory/2784-116-0x0000000000400000-0x000000000061F000-memory.dmp

    Filesize

    2.1MB

  • memory/4744-22-0x0000000000400000-0x00000000004BE000-memory.dmp

    Filesize

    760KB

  • memory/4744-77-0x0000000000400000-0x00000000004BE000-memory.dmp

    Filesize

    760KB