Analysis

  • max time kernel
    142s
  • max time network
    129s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    11/08/2024, 13:59

General

  • Target

    6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.exe

  • Size

    3.9MB

  • MD5

    690fae623efdfc5fe8600da2db11032e

  • SHA1

    dd3774c44b3aaa6fe63fcd11b6adb1a00d20a3fc

  • SHA256

    6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc

  • SHA512

    47828aebcc69178c3972812f5ced40c2658ae68d08e7db22b7ce8f78d104a7153cdfe38761fe29008fe02ed8b4f22cddaebcf9360f459b183a478dfd23a855b3

  • SSDEEP

    98304:NbvL6OJzqJTZ5sGYcCbq44XbLHwQInR+4QUe9tuj8nTkxvEdh:FL6YqdsLKLUQInRC9tujgy8L

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.

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.exe
    "C:\Users\Admin\AppData\Local\Temp\6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:956
    • C:\Users\Admin\AppData\Local\Temp\is-MSC9T.tmp\6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-MSC9T.tmp\6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.tmp" /SL5="$A0250,3805313,54272,C:\Users\Admin\AppData\Local\Temp\6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1512
      • C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe
        "C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe" -i
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3848
      • C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe
        "C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe" -s
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2996

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\is-JH4H3.tmp\_isetup\_iscrypt.dll

          Filesize

          2KB

          MD5

          a69559718ab506675e907fe49deb71e9

          SHA1

          bc8f404ffdb1960b50c12ff9413c893b56f2e36f

          SHA256

          2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

          SHA512

          e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

        • C:\Users\Admin\AppData\Local\Temp\is-JH4H3.tmp\_isetup\_isdecmp.dll

          Filesize

          13KB

          MD5

          a813d18268affd4763dde940246dc7e5

          SHA1

          c7366e1fd925c17cc6068001bd38eaef5b42852f

          SHA256

          e19781aabe466dd8779cb9c8fa41bbb73375447066bb34e876cf388a6ed63c64

          SHA512

          b310ed4cd2e94381c00a6a370fcb7cc867ebe425d705b69caaaaffdafbab91f72d357966916053e72e68ecf712f2af7585500c58bb53ec3e1d539179fcb45fb4

        • C:\Users\Admin\AppData\Local\Temp\is-MSC9T.tmp\6f804a4dea4dde1d097f28db0f0b3b4ac1b883b0110866f6661c228b647306bc.tmp

          Filesize

          692KB

          MD5

          4a034cc8809b92775041cc5a46c52ab0

          SHA1

          3f2c748bf00a2aa6f3a86c6dfd8a3d667007a54d

          SHA256

          4dfae16c80e15d6e45b60b5b847e1a641af184e3e06727fc3406355de9227e60

          SHA512

          e1d4c9bff206800681a17b4487978a290d365a6593678741b6924394217bc352f1132add01e8e90b9b1b78f1f3bd606c2ff51955c8673503c5e28fb04afc71f6

        • C:\Users\Admin\AppData\Local\XULPlayer\xulplayer32.exe

          Filesize

          3.1MB

          MD5

          ee4aa8aad716780c2495fed8ae680fe9

          SHA1

          84c4b20bd53ce15f6f2eb13a17df0f22d8b48d0c

          SHA256

          026d25f139c4cd24a851bde755d7b71df87f587267a4b3933d4ff411fbd267ff

          SHA512

          fd78d3e8a526dfb82d5d98c25c821a5a1441a89475fc13d763b27e087e8d9c9ddcdb16df3c042ae4662d722aadd6420c386d58dc43bb85df1802b2e8147a8d01

        • memory/956-67-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/956-2-0x0000000000401000-0x000000000040B000-memory.dmp

          Filesize

          40KB

        • memory/956-0-0x0000000000400000-0x0000000000414000-memory.dmp

          Filesize

          80KB

        • memory/1512-9-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/1512-68-0x0000000000400000-0x00000000004BD000-memory.dmp

          Filesize

          756KB

        • memory/2996-91-0x0000000000400000-0x0000000000717000-memory.dmp

          Filesize

          3.1MB

        • memory/2996-81-0x0000000000400000-0x0000000000717000-memory.dmp

          Filesize

          3.1MB

        • memory/2996-66-0x0000000000400000-0x0000000000717000-memory.dmp

          Filesize

          3.1MB

        • memory/2996-113-0x0000000000400000-0x0000000000717000-memory.dmp

          Filesize

          3.1MB

        • memory/2996-110-0x0000000000400000-0x0000000000717000-memory.dmp

          Filesize

          3.1MB

        • memory/2996-69-0x0000000000400000-0x0000000000717000-memory.dmp

          Filesize

          3.1MB

        • memory/2996-72-0x0000000000400000-0x0000000000717000-memory.dmp

          Filesize

          3.1MB

        • memory/2996-75-0x0000000000400000-0x0000000000717000-memory.dmp

          Filesize

          3.1MB

        • memory/2996-78-0x0000000000400000-0x0000000000717000-memory.dmp

          Filesize

          3.1MB

        • memory/2996-106-0x0000000000400000-0x0000000000717000-memory.dmp

          Filesize

          3.1MB

        • memory/2996-84-0x0000000000A30000-0x0000000000AD2000-memory.dmp

          Filesize

          648KB

        • memory/2996-86-0x0000000000400000-0x0000000000717000-memory.dmp

          Filesize

          3.1MB

        • memory/2996-103-0x0000000000400000-0x0000000000717000-memory.dmp

          Filesize

          3.1MB

        • memory/2996-94-0x0000000000400000-0x0000000000717000-memory.dmp

          Filesize

          3.1MB

        • memory/2996-97-0x0000000000400000-0x0000000000717000-memory.dmp

          Filesize

          3.1MB

        • memory/2996-100-0x0000000000400000-0x0000000000717000-memory.dmp

          Filesize

          3.1MB

        • memory/3848-58-0x0000000000400000-0x0000000000717000-memory.dmp

          Filesize

          3.1MB

        • memory/3848-63-0x0000000000400000-0x0000000000717000-memory.dmp

          Filesize

          3.1MB

        • memory/3848-59-0x0000000000400000-0x0000000000717000-memory.dmp

          Filesize

          3.1MB

        • memory/3848-60-0x0000000000400000-0x0000000000717000-memory.dmp

          Filesize

          3.1MB