Analysis

  • max time kernel
    141s
  • max time network
    153s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    30-05-2024 11:55

General

  • Target

    80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.exe

  • Size

    4.8MB

  • MD5

    78ba225a69066401bc9f68a255120250

  • SHA1

    01e12d498cd2dad4d63ce5b4ea3b4f94cbc8382c

  • SHA256

    80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82

  • SHA512

    b1a4289f13f1927264e62b6bb149db395a324c53b9eba31c920b66da07c3c226749a00093ece20c763d1e2993f3c09d26d370d01998a10944520962f8e8711aa

  • SSDEEP

    98304:mfgONE0aeVLk6aEz4N/EejmuYU5aBNnFFPeDfa7R3nbUVmi11QC:30bZ5zS/EehBoBFYfa3nbYj7r

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\80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.exe
    "C:\Users\Admin\AppData\Local\Temp\80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2656
    • C:\Users\Admin\AppData\Local\Temp\is-497B7.tmp\80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-497B7.tmp\80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.tmp" /SL5="$501B0,4731190,54272,C:\Users\Admin\AppData\Local\Temp\80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3060
      • C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe
        "C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe" -i
        3⤵
        • Executes dropped EXE
        PID:8
      • C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe
        "C:\Users\Admin\AppData\Local\5K Player\5kplayer.exe" -s
        3⤵
        • Executes dropped EXE
        PID:4372

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    3.0MB

    MD5

    4b1810806584c80336d928c5efb635a9

    SHA1

    3d426fd7c84e98eba0649b3b876e8a6d201728f2

    SHA256

    b787ad0f213a770e225c6288b986c88a86a3bc0b35802f591f2abc82d25b9dd5

    SHA512

    345327d8591ac00d2eab68c08ccbf031959cde1a6cbdb1cdc07cec80bcd359264ae4cd7450b4ae1cf563cd02829f3ced781225de3853b46335b4fabffffa2def

  • C:\Users\Admin\AppData\Local\Temp\is-497B7.tmp\80ed5dd11f9968ec5317d59567e7c8f42c1ceffecd4d8b2fa01c574afe63ac82.tmp

    Filesize

    680KB

    MD5

    2147d68d1e5f1da63ca70612f4181ce6

    SHA1

    517ecefc93c258b1bc05ee5433e3a328a6f9168a

    SHA256

    3ba1867d2ba6b3db3c6c4c5fa238246fd4351f337c4e167e97eb25e2a5f0b181

    SHA512

    bc4a5e0a2e83e39005b6e3d470681741435a7b06f182162c3a72a96b0f763cb5a80eaad7e936216ac21c00d00b07e429149f0d4e1869868b6e469b1427ed8188

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

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • memory/8-59-0x0000000000400000-0x00000000006FD000-memory.dmp

    Filesize

    3.0MB

  • memory/8-63-0x0000000000400000-0x00000000006FD000-memory.dmp

    Filesize

    3.0MB

  • memory/8-65-0x0000000000400000-0x00000000006FD000-memory.dmp

    Filesize

    3.0MB

  • memory/8-60-0x0000000000400000-0x00000000006FD000-memory.dmp

    Filesize

    3.0MB

  • memory/2656-3-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/2656-1-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2656-69-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3060-70-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/3060-12-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/4372-74-0x0000000000400000-0x00000000006FD000-memory.dmp

    Filesize

    3.0MB

  • memory/4372-89-0x0000000000400000-0x00000000006FD000-memory.dmp

    Filesize

    3.0MB

  • memory/4372-68-0x0000000000400000-0x00000000006FD000-memory.dmp

    Filesize

    3.0MB

  • memory/4372-77-0x0000000000400000-0x00000000006FD000-memory.dmp

    Filesize

    3.0MB

  • memory/4372-80-0x0000000000400000-0x00000000006FD000-memory.dmp

    Filesize

    3.0MB

  • memory/4372-83-0x0000000000400000-0x00000000006FD000-memory.dmp

    Filesize

    3.0MB

  • memory/4372-86-0x0000000000BD0000-0x0000000000C72000-memory.dmp

    Filesize

    648KB

  • memory/4372-71-0x0000000000400000-0x00000000006FD000-memory.dmp

    Filesize

    3.0MB

  • memory/4372-94-0x0000000000400000-0x00000000006FD000-memory.dmp

    Filesize

    3.0MB

  • memory/4372-97-0x0000000000400000-0x00000000006FD000-memory.dmp

    Filesize

    3.0MB

  • memory/4372-100-0x0000000000400000-0x00000000006FD000-memory.dmp

    Filesize

    3.0MB

  • memory/4372-103-0x0000000000400000-0x00000000006FD000-memory.dmp

    Filesize

    3.0MB

  • memory/4372-106-0x0000000000400000-0x00000000006FD000-memory.dmp

    Filesize

    3.0MB

  • memory/4372-109-0x0000000000400000-0x00000000006FD000-memory.dmp

    Filesize

    3.0MB

  • memory/4372-113-0x0000000000400000-0x00000000006FD000-memory.dmp

    Filesize

    3.0MB

  • memory/4372-116-0x0000000000400000-0x00000000006FD000-memory.dmp

    Filesize

    3.0MB