Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-07-2024 16:38

General

  • Target

    388356a00ffa9aa655beec68104cf330e97a72be971a1f2932dbd6acdbe70e39.exe

  • Size

    5.2MB

  • MD5

    6c4dbe7bb64e09d17061d2bf0dd5b846

  • SHA1

    7f3332131de057503432e957cdb7336766678b1f

  • SHA256

    388356a00ffa9aa655beec68104cf330e97a72be971a1f2932dbd6acdbe70e39

  • SHA512

    4fd409ccf59f121e594b24de1c57b3102cc6d207b7feee32207f1de90a4c8e15e41485476794faa58348af41355d02ce7dabf1a22c11454c274765ff937d2fbd

  • SSDEEP

    98304:CfJ1K3exMHTe5FsipYXCnVIU/EcCgn6TWlsvaowglIRdl4Qxla:SB5iip0U/xxAWyhYdCQva

Malware Config

Signatures

  • Detect Socks5Systemz Payload 1 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 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.

  • 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\388356a00ffa9aa655beec68104cf330e97a72be971a1f2932dbd6acdbe70e39.exe
    "C:\Users\Admin\AppData\Local\Temp\388356a00ffa9aa655beec68104cf330e97a72be971a1f2932dbd6acdbe70e39.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3360
    • C:\Users\Admin\AppData\Local\Temp\is-REDO4.tmp\388356a00ffa9aa655beec68104cf330e97a72be971a1f2932dbd6acdbe70e39.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-REDO4.tmp\388356a00ffa9aa655beec68104cf330e97a72be971a1f2932dbd6acdbe70e39.tmp" /SL5="$E0062,5183371,54272,C:\Users\Admin\AppData\Local\Temp\388356a00ffa9aa655beec68104cf330e97a72be971a1f2932dbd6acdbe70e39.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4424
      • C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper32_64.exe
        "C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper32_64.exe" -i
        3⤵
        • Executes dropped EXE
        PID:1944
      • C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper32_64.exe
        "C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper32_64.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2096

Network

MITRE ATT&CK Matrix ATT&CK v13

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\is-Q7MNS.tmp\_isetup\_iscrypt.dll
    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • C:\Users\Admin\AppData\Local\Temp\is-REDO4.tmp\388356a00ffa9aa655beec68104cf330e97a72be971a1f2932dbd6acdbe70e39.tmp
    Filesize

    680KB

    MD5

    abcd6f574ffe756e51da3afb3c212040

    SHA1

    ea0ecf034c3122d64395aaafa59ea701d6b86c00

    SHA256

    441148131dcb4a120bbc5909fafc077d739274062eddb093fe3d072ec3dc29b7

    SHA512

    41d2fafdd9b89da7510d683ae8d0b4fc7ff92889d8b684a04b7684940b2db3587685c453547afec570ee1f28ad95376d3ac052372f0a08a0eb4604dd811f7c03

  • C:\Users\Admin\AppData\Local\UDA DVD Free Ripper\udadvdfreeripper32_64.exe
    Filesize

    3.9MB

    MD5

    d5635f3ec01ea82983c16f21d9640626

    SHA1

    aa544ae45f99e0630ec407f2a7f014414f01037a

    SHA256

    197443e78299e40ce13dcaae093a4ed91ef3f8aafefe07a2a93095b0bd2afe28

    SHA512

    0c2e3401b818579209b80dd15cacb00d9743e53d09c4c0de80ffe72f693d92f9a98bd1d24fb444bf7d8c3a6b7eae6b6ee672d2f07c15058b3c265dbcf263e2a9

  • memory/1944-60-0x0000000000400000-0x00000000007EF000-memory.dmp
    Filesize

    3.9MB

  • memory/1944-65-0x0000000000400000-0x00000000007EF000-memory.dmp
    Filesize

    3.9MB

  • memory/1944-64-0x0000000000400000-0x00000000007EF000-memory.dmp
    Filesize

    3.9MB

  • memory/1944-59-0x0000000000400000-0x00000000007EF000-memory.dmp
    Filesize

    3.9MB

  • memory/2096-74-0x0000000000400000-0x00000000007EF000-memory.dmp
    Filesize

    3.9MB

  • memory/2096-86-0x0000000002910000-0x00000000029B2000-memory.dmp
    Filesize

    648KB

  • memory/2096-114-0x0000000000400000-0x00000000007EF000-memory.dmp
    Filesize

    3.9MB

  • memory/2096-68-0x0000000000400000-0x00000000007EF000-memory.dmp
    Filesize

    3.9MB

  • memory/2096-111-0x0000000000400000-0x00000000007EF000-memory.dmp
    Filesize

    3.9MB

  • memory/2096-108-0x0000000000400000-0x00000000007EF000-memory.dmp
    Filesize

    3.9MB

  • memory/2096-71-0x0000000000400000-0x00000000007EF000-memory.dmp
    Filesize

    3.9MB

  • memory/2096-105-0x0000000000400000-0x00000000007EF000-memory.dmp
    Filesize

    3.9MB

  • memory/2096-77-0x0000000000400000-0x00000000007EF000-memory.dmp
    Filesize

    3.9MB

  • memory/2096-80-0x0000000000400000-0x00000000007EF000-memory.dmp
    Filesize

    3.9MB

  • memory/2096-83-0x0000000000400000-0x00000000007EF000-memory.dmp
    Filesize

    3.9MB

  • memory/2096-102-0x0000000000400000-0x00000000007EF000-memory.dmp
    Filesize

    3.9MB

  • memory/2096-90-0x0000000000400000-0x00000000007EF000-memory.dmp
    Filesize

    3.9MB

  • memory/2096-93-0x0000000000400000-0x00000000007EF000-memory.dmp
    Filesize

    3.9MB

  • memory/2096-96-0x0000000000400000-0x00000000007EF000-memory.dmp
    Filesize

    3.9MB

  • memory/2096-99-0x0000000000400000-0x00000000007EF000-memory.dmp
    Filesize

    3.9MB

  • memory/3360-0-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/3360-69-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/3360-2-0x0000000000401000-0x000000000040B000-memory.dmp
    Filesize

    40KB

  • memory/4424-12-0x0000000000400000-0x00000000004BA000-memory.dmp
    Filesize

    744KB

  • memory/4424-70-0x0000000000400000-0x00000000004BA000-memory.dmp
    Filesize

    744KB