Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    16-06-2024 14:44

General

  • Target

    0a52f9418aaf4a7bf10963e177f96fd8c20e52eb97a1d9ecdf88fbc5b7c62b39.exe

  • Size

    5.7MB

  • MD5

    5bbc90a21dd43f01119950b17592d08d

  • SHA1

    a88992f4eb706e675f67dcffaf100bdec8d13d44

  • SHA256

    0a52f9418aaf4a7bf10963e177f96fd8c20e52eb97a1d9ecdf88fbc5b7c62b39

  • SHA512

    213243e72d47bc233e1440821de374e62efe4a699a9445d350ffe690288e1e724c8c1f0150e409706d2a8a6d4cac3155aad9b83fc27f09f2f628d25d37f4ee7b

  • SSDEEP

    98304:m4fGypU3XqCvcQzt3A6uAZXousUQE35ArFDbX3pykDOUGbm72IwuRfUe:HfNp9CEgLHYs35Ard3pTOUGGzRfl

Malware Config

Extracted

Family

socks5systemz

C2

bpvrxdz.com

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 3 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.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0a52f9418aaf4a7bf10963e177f96fd8c20e52eb97a1d9ecdf88fbc5b7c62b39.exe
    "C:\Users\Admin\AppData\Local\Temp\0a52f9418aaf4a7bf10963e177f96fd8c20e52eb97a1d9ecdf88fbc5b7c62b39.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:952
    • C:\Users\Admin\AppData\Local\Temp\is-PLFEN.tmp\0a52f9418aaf4a7bf10963e177f96fd8c20e52eb97a1d9ecdf88fbc5b7c62b39.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-PLFEN.tmp\0a52f9418aaf4a7bf10963e177f96fd8c20e52eb97a1d9ecdf88fbc5b7c62b39.tmp" /SL5="$40228,5737485,54272,C:\Users\Admin\AppData\Local\Temp\0a52f9418aaf4a7bf10963e177f96fd8c20e52eb97a1d9ecdf88fbc5b7c62b39.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:5056
      • C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
        "C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe" -i
        3⤵
        • Executes dropped EXE
        PID:1784
      • C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
        "C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe" -s
        3⤵
        • Executes dropped EXE
        PID:3404

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Lampung Soundstage\lampungsoundstage32.exe
    Filesize

    3.6MB

    MD5

    be19043bb5435e1f0bc346349fd796a8

    SHA1

    c79490ed0173ce8d8fe7b0b663e2533da39be0de

    SHA256

    f87c4053314c1e929ef64f153f35a1a5bffdd43b718cfc9afa598d49a53f9f2a

    SHA512

    49ebede40533598a8c6b83be9761096e865e2cbadb699ebe2bb20e3dbb1205c005e341e24a62169a3f28af06175e7a24320bca301323a0c1c1b9e7ffee6c1cd3

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

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

    13KB

    MD5

    a813d18268affd4763dde940246dc7e5

    SHA1

    c7366e1fd925c17cc6068001bd38eaef5b42852f

    SHA256

    e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

    SHA512

    b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

  • C:\Users\Admin\AppData\Local\Temp\is-PLFEN.tmp\0a52f9418aaf4a7bf10963e177f96fd8c20e52eb97a1d9ecdf88fbc5b7c62b39.tmp
    Filesize

    680KB

    MD5

    40338aef9b322249896e762a5b73c94d

    SHA1

    dc401c87db8601ddf9eba26566cc5d6a32c0b390

    SHA256

    1dbc3f9b59777339175bec81b07dabea20e79318beac00826f68c3b726a87be3

    SHA512

    5af5dfcbf490b982ae9f6dcc4a6ba7ec81d3efb4e8a0277d9bbc72384211e9e4c8591d7360c356ae1e4fc79ec94ee8fba1d0d4cd83647baba04572d8d32619fe

  • memory/952-3-0x0000000000401000-0x000000000040B000-memory.dmp
    Filesize

    40KB

  • memory/952-0-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/952-75-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/1784-68-0x0000000000400000-0x0000000000796000-memory.dmp
    Filesize

    3.6MB

  • memory/1784-65-0x0000000000400000-0x0000000000796000-memory.dmp
    Filesize

    3.6MB

  • memory/1784-70-0x0000000000400000-0x0000000000796000-memory.dmp
    Filesize

    3.6MB

  • memory/1784-69-0x0000000000400000-0x000000000047F000-memory.dmp
    Filesize

    508KB

  • memory/3404-93-0x0000000000A90000-0x0000000000B32000-memory.dmp
    Filesize

    648KB

  • memory/3404-90-0x0000000000400000-0x0000000000796000-memory.dmp
    Filesize

    3.6MB

  • memory/3404-72-0x0000000000400000-0x0000000000796000-memory.dmp
    Filesize

    3.6MB

  • memory/3404-122-0x0000000000400000-0x0000000000796000-memory.dmp
    Filesize

    3.6MB

  • memory/3404-77-0x0000000000400000-0x0000000000796000-memory.dmp
    Filesize

    3.6MB

  • memory/3404-80-0x0000000000400000-0x0000000000796000-memory.dmp
    Filesize

    3.6MB

  • memory/3404-81-0x0000000000400000-0x0000000000796000-memory.dmp
    Filesize

    3.6MB

  • memory/3404-84-0x0000000000400000-0x0000000000796000-memory.dmp
    Filesize

    3.6MB

  • memory/3404-87-0x0000000000400000-0x0000000000796000-memory.dmp
    Filesize

    3.6MB

  • memory/3404-74-0x0000000000400000-0x0000000000796000-memory.dmp
    Filesize

    3.6MB

  • memory/3404-119-0x0000000000400000-0x0000000000796000-memory.dmp
    Filesize

    3.6MB

  • memory/3404-96-0x0000000000400000-0x0000000000796000-memory.dmp
    Filesize

    3.6MB

  • memory/3404-101-0x0000000000400000-0x0000000000796000-memory.dmp
    Filesize

    3.6MB

  • memory/3404-104-0x0000000000400000-0x0000000000796000-memory.dmp
    Filesize

    3.6MB

  • memory/3404-107-0x0000000000400000-0x0000000000796000-memory.dmp
    Filesize

    3.6MB

  • memory/3404-110-0x0000000000400000-0x0000000000796000-memory.dmp
    Filesize

    3.6MB

  • memory/3404-113-0x0000000000400000-0x0000000000796000-memory.dmp
    Filesize

    3.6MB

  • memory/3404-116-0x0000000000400000-0x0000000000796000-memory.dmp
    Filesize

    3.6MB

  • memory/5056-9-0x0000000000400000-0x00000000004BA000-memory.dmp
    Filesize

    744KB

  • memory/5056-76-0x0000000000400000-0x00000000004BA000-memory.dmp
    Filesize

    744KB