Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-05-2024 21:20

General

  • Target

    17bb3ce56eb7667aed7471c54379944a57a6233e1a36d4fd8c76110c60b87a6d.exe

  • Size

    5.9MB

  • MD5

    3a027b1c898294efb764a0d419d31e64

  • SHA1

    1151ae8ba19ac82bf97f07bbc9b8c3e5c85873be

  • SHA256

    17bb3ce56eb7667aed7471c54379944a57a6233e1a36d4fd8c76110c60b87a6d

  • SHA512

    342e7bbd73530c4feca2628fe9a7dbf9b45974310bafcf98bf47df4cebd71fd77bfd16fab8858a8294841cbc2ec83054e76a56cd1880fe256fc404caae678489

  • SSDEEP

    98304:mS3+SJ6PxUF8CDMlF/e2C9jM236RqK/FLfTNKaF0mUOOdcUWMXJBKzj3/fnnLyTe:N+dw8CEiIcQFLfdF0m/XUzJozDnLyTU3

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.

  • 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\17bb3ce56eb7667aed7471c54379944a57a6233e1a36d4fd8c76110c60b87a6d.exe
    "C:\Users\Admin\AppData\Local\Temp\17bb3ce56eb7667aed7471c54379944a57a6233e1a36d4fd8c76110c60b87a6d.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2284
    • C:\Users\Admin\AppData\Local\Temp\is-KJ04G.tmp\17bb3ce56eb7667aed7471c54379944a57a6233e1a36d4fd8c76110c60b87a6d.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-KJ04G.tmp\17bb3ce56eb7667aed7471c54379944a57a6233e1a36d4fd8c76110c60b87a6d.tmp" /SL5="$401C8,5929882,54272,C:\Users\Admin\AppData\Local\Temp\17bb3ce56eb7667aed7471c54379944a57a6233e1a36d4fd8c76110c60b87a6d.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1828
      • C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
        "C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe" -i
        3⤵
        • Executes dropped EXE
        PID:3632
      • C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
        "C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe" -s
        3⤵
        • Executes dropped EXE
        PID:3996

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe

    Filesize

    3.6MB

    MD5

    25dcec3daa5700760ae25bdda9220557

    SHA1

    c3975f08d89811f107e329010620a24e6b0c0a2b

    SHA256

    18f6bc5455a01c6df3059075c10939daa970225b4a3223ef45882101dc8b60b5

    SHA512

    fb4bcb2f76f94d0bd66aa5098defc20842173d2abc3892a903ad39fd6f8f52898b3becc1530448bcb2c50e5fad49368ec2bbfc8fcb3fdd41faedc71fcf301333

  • C:\Users\Admin\AppData\Local\Temp\is-2A0NV.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • C:\Users\Admin\AppData\Local\Temp\is-2A0NV.tmp\_isetup\_isdecmp.dll

    Filesize

    32KB

    MD5

    b6f11a0ab7715f570f45900a1fe84732

    SHA1

    77b1201e535445af5ea94c1b03c0a1c34d67a77b

    SHA256

    e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67

    SHA512

    78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771

  • C:\Users\Admin\AppData\Local\Temp\is-KJ04G.tmp\17bb3ce56eb7667aed7471c54379944a57a6233e1a36d4fd8c76110c60b87a6d.tmp

    Filesize

    680KB

    MD5

    ef9105d68de970efad785e01b21e4e2b

    SHA1

    7fe8801a3e86814972da63a7a943bdc5e31d8888

    SHA256

    381198ca0669ab760f6f9b84e39c39ab5e870f65d17d03ed0dc572a1c602364a

    SHA512

    e388cbf32a4d833c0e4c6c1a129515b4d12eac5b333f2aec39e741d3a0da856c5923d47cf4d3083ad030f7f07b9214261b2b9119720920dd42929eeb617e779c

  • memory/1828-10-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/1828-76-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2284-2-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/2284-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2284-75-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3632-65-0x0000000000400000-0x00000000007A4000-memory.dmp

    Filesize

    3.6MB

  • memory/3632-66-0x0000000000400000-0x00000000007A4000-memory.dmp

    Filesize

    3.6MB

  • memory/3632-69-0x0000000000400000-0x00000000007A4000-memory.dmp

    Filesize

    3.6MB

  • memory/3632-71-0x0000000000400000-0x00000000007A4000-memory.dmp

    Filesize

    3.6MB

  • memory/3996-77-0x0000000000400000-0x00000000007A4000-memory.dmp

    Filesize

    3.6MB

  • memory/3996-95-0x0000000000400000-0x00000000007A4000-memory.dmp

    Filesize

    3.6MB

  • memory/3996-80-0x0000000000400000-0x00000000007A4000-memory.dmp

    Filesize

    3.6MB

  • memory/3996-83-0x0000000000400000-0x00000000007A4000-memory.dmp

    Filesize

    3.6MB

  • memory/3996-86-0x0000000000400000-0x00000000007A4000-memory.dmp

    Filesize

    3.6MB

  • memory/3996-89-0x0000000000400000-0x00000000007A4000-memory.dmp

    Filesize

    3.6MB

  • memory/3996-92-0x0000000000A90000-0x0000000000B32000-memory.dmp

    Filesize

    648KB

  • memory/3996-74-0x0000000000400000-0x00000000007A4000-memory.dmp

    Filesize

    3.6MB

  • memory/3996-100-0x0000000000400000-0x00000000007A4000-memory.dmp

    Filesize

    3.6MB

  • memory/3996-103-0x0000000000400000-0x00000000007A4000-memory.dmp

    Filesize

    3.6MB

  • memory/3996-106-0x0000000000400000-0x00000000007A4000-memory.dmp

    Filesize

    3.6MB

  • memory/3996-109-0x0000000000400000-0x00000000007A4000-memory.dmp

    Filesize

    3.6MB

  • memory/3996-112-0x0000000000400000-0x00000000007A4000-memory.dmp

    Filesize

    3.6MB

  • memory/3996-115-0x0000000000400000-0x00000000007A4000-memory.dmp

    Filesize

    3.6MB

  • memory/3996-118-0x0000000000400000-0x00000000007A4000-memory.dmp

    Filesize

    3.6MB

  • memory/3996-121-0x0000000000400000-0x00000000007A4000-memory.dmp

    Filesize

    3.6MB