Analysis

  • max time kernel
    292s
  • max time network
    256s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    20-06-2024 22:56

General

  • Target

    9232fd1e7662b3c2ef8bce1e720c6c5ea44606001fd78a59cae59079b3d1c074.exe

  • Size

    5.6MB

  • MD5

    9b9c3e3dbe3ee53a57bfab070ee6be8e

  • SHA1

    f30398404ebbb663d796b7415e6fc0fcbac7e458

  • SHA256

    9232fd1e7662b3c2ef8bce1e720c6c5ea44606001fd78a59cae59079b3d1c074

  • SHA512

    7e407018e7ce1f7cd22718a2c6b0206e7c8eac4191c79ee93e656612a15ad72c601ef8a1afd4ee97d705c90a55d6fa1af15bd0bd23b5be57011033210c057c7a

  • SSDEEP

    98304:m5SAIcSCM0Ii7L2DiFMaPn4AiJ6Ys7nyZKYar65/Ihfbz7Z/7MJNDm22O6gr:Vrc1M0IELxe6XFY+WWnaNDv2O9

Malware Config

Extracted

Family

socks5systemz

C2

bhopgkd.com

http://bhopgkd.com/search/?q=67e28dd8685af379125bfd4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff718c2eb979e3e

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.

  • 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\9232fd1e7662b3c2ef8bce1e720c6c5ea44606001fd78a59cae59079b3d1c074.exe
    "C:\Users\Admin\AppData\Local\Temp\9232fd1e7662b3c2ef8bce1e720c6c5ea44606001fd78a59cae59079b3d1c074.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2520
    • C:\Users\Admin\AppData\Local\Temp\is-JSH0A.tmp\9232fd1e7662b3c2ef8bce1e720c6c5ea44606001fd78a59cae59079b3d1c074.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-JSH0A.tmp\9232fd1e7662b3c2ef8bce1e720c6c5ea44606001fd78a59cae59079b3d1c074.tmp" /SL5="$5023A,5623997,54272,C:\Users\Admin\AppData\Local\Temp\9232fd1e7662b3c2ef8bce1e720c6c5ea44606001fd78a59cae59079b3d1c074.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2536
      • C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe
        "C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe" -i
        3⤵
        • Executes dropped EXE
        PID:1856
      • C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe
        "C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe" -s
        3⤵
        • Executes dropped EXE
        PID:1460

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\SVO Media Player\svomediaplayer32.exe

    Filesize

    3.3MB

    MD5

    87255ff0cb698252379273a761034cf3

    SHA1

    b9024fc55894075700ab5a487e0024d00452cdf0

    SHA256

    6eba68dc8091c7e04f26db460e7c9ac4f23ae988eac648ded3dc051d9f94954d

    SHA512

    e2df61c82851b812de19f78a055141d3f08662409a2ea0b1cc6ca7b1f5b80fda29465d820e5b90c2c8ba64c6ed4f1ba890d721429ab90e3da49b5072bedcafde

  • C:\Users\Admin\AppData\Local\Temp\is-JSH0A.tmp\9232fd1e7662b3c2ef8bce1e720c6c5ea44606001fd78a59cae59079b3d1c074.tmp

    Filesize

    680KB

    MD5

    4468da54a8b07613269ca5537be5e235

    SHA1

    9aded70f0853385c5561fa275a77508edae15111

    SHA256

    0177788e41f30da5d5ac6c66c54fd51c8eac03a1eddc9deb5ff6aefff7821153

    SHA512

    3b7c3a3bfe4e9ec20ba4d04d06270aa9e26a342bc806c092b37d6a97064c0c7b54f75c9242295f03899d1b5deac99b91480d0c4ba23a6bc33f3739f322279313

  • \Users\Admin\AppData\Local\Temp\is-0F53G.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • \Users\Admin\AppData\Local\Temp\is-0F53G.tmp\_isetup\_isdecmp.dll

    Filesize

    13KB

    MD5

    a813d18268affd4763dde940246dc7e5

    SHA1

    c7366e1fd925c17cc6068001bd38eaef5b42852f

    SHA256

    e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

    SHA512

    b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

  • memory/1460-110-0x0000000000400000-0x0000000000747000-memory.dmp

    Filesize

    3.3MB

  • memory/1460-117-0x0000000000400000-0x0000000000747000-memory.dmp

    Filesize

    3.3MB

  • memory/1460-137-0x0000000000400000-0x0000000000747000-memory.dmp

    Filesize

    3.3MB

  • memory/1460-132-0x0000000000400000-0x0000000000747000-memory.dmp

    Filesize

    3.3MB

  • memory/1460-129-0x0000000000400000-0x0000000000747000-memory.dmp

    Filesize

    3.3MB

  • memory/1460-126-0x0000000000400000-0x0000000000747000-memory.dmp

    Filesize

    3.3MB

  • memory/1460-73-0x0000000000400000-0x0000000000747000-memory.dmp

    Filesize

    3.3MB

  • memory/1460-123-0x0000000000400000-0x0000000000747000-memory.dmp

    Filesize

    3.3MB

  • memory/1460-120-0x0000000000400000-0x0000000000747000-memory.dmp

    Filesize

    3.3MB

  • memory/1460-76-0x0000000000400000-0x0000000000747000-memory.dmp

    Filesize

    3.3MB

  • memory/1460-79-0x0000000000400000-0x0000000000747000-memory.dmp

    Filesize

    3.3MB

  • memory/1460-82-0x0000000000400000-0x0000000000747000-memory.dmp

    Filesize

    3.3MB

  • memory/1460-85-0x0000000000400000-0x0000000000747000-memory.dmp

    Filesize

    3.3MB

  • memory/1460-88-0x0000000000400000-0x0000000000747000-memory.dmp

    Filesize

    3.3MB

  • memory/1460-90-0x0000000002580000-0x0000000002622000-memory.dmp

    Filesize

    648KB

  • memory/1460-95-0x0000000000400000-0x0000000000747000-memory.dmp

    Filesize

    3.3MB

  • memory/1460-98-0x0000000000400000-0x0000000000747000-memory.dmp

    Filesize

    3.3MB

  • memory/1460-101-0x0000000000400000-0x0000000000747000-memory.dmp

    Filesize

    3.3MB

  • memory/1460-104-0x0000000000400000-0x0000000000747000-memory.dmp

    Filesize

    3.3MB

  • memory/1460-107-0x0000000000400000-0x0000000000747000-memory.dmp

    Filesize

    3.3MB

  • memory/1460-113-0x0000000000400000-0x0000000000747000-memory.dmp

    Filesize

    3.3MB

  • memory/1856-70-0x0000000000400000-0x0000000000747000-memory.dmp

    Filesize

    3.3MB

  • memory/1856-66-0x0000000000400000-0x0000000000747000-memory.dmp

    Filesize

    3.3MB

  • memory/1856-65-0x0000000000400000-0x0000000000747000-memory.dmp

    Filesize

    3.3MB

  • memory/2520-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2520-74-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2520-3-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/2536-22-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2536-75-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB