Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-06-2024 09:44

General

  • Target

    074d6c9f6bcb79a7237dc74098cacc5d52980d47e830d10ffc7bec92f772deef.exe

  • Size

    4.8MB

  • MD5

    25dff51680527967cc22d3f9b9049e4d

  • SHA1

    93f10058bdb0e626508cf985a82fd3525c06d1aa

  • SHA256

    074d6c9f6bcb79a7237dc74098cacc5d52980d47e830d10ffc7bec92f772deef

  • SHA512

    9d6ba0c2f62c53021d75fc7964b790ce770e60cd072a13155ebdd174b5bb9f8bfb1e95a52f753d11c62b39e90dee347ca090b99c8fd7e0568c864b530fd62bc5

  • SSDEEP

    98304:mr/W3r6YlMD4HsUshjCkWSSVBPhKx8CX/BLdhFQmIJn0VdnxWyDx4:8ur6YRsrIkSThoRrhpiYdnjDx4

Malware Config

Extracted

Family

socks5systemz

C2

ccungdo.net

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 3 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\074d6c9f6bcb79a7237dc74098cacc5d52980d47e830d10ffc7bec92f772deef.exe
    "C:\Users\Admin\AppData\Local\Temp\074d6c9f6bcb79a7237dc74098cacc5d52980d47e830d10ffc7bec92f772deef.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3196
    • C:\Users\Admin\AppData\Local\Temp\is-MLTU7.tmp\074d6c9f6bcb79a7237dc74098cacc5d52980d47e830d10ffc7bec92f772deef.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-MLTU7.tmp\074d6c9f6bcb79a7237dc74098cacc5d52980d47e830d10ffc7bec92f772deef.tmp" /SL5="$6016E,4774576,54272,C:\Users\Admin\AppData\Local\Temp\074d6c9f6bcb79a7237dc74098cacc5d52980d47e830d10ffc7bec92f772deef.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4988
      • C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
        "C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe" -i
        3⤵
        • Executes dropped EXE
        PID:3164
      • C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe
        "C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe" -s
        3⤵
        • Executes dropped EXE
        PID:3160

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\MP3 RIP Free Edition\mp3ripfreeedition.exe

    Filesize

    2.8MB

    MD5

    6e55ab27f55a8f438ac2ae913a8ba876

    SHA1

    82147436173e658dd1b499d3324662d29ee53a10

    SHA256

    d38a93f291f463bf0893660253b139dc3458dde3ef0357004e54c2283cc1b2b5

    SHA512

    b916ce93d4615387e2f4e5108d2e19428869d1e65e657812270a5f07a3acd33739174a5367fdd686b6cd7ebf82eec8cf787f0fc32981fd79c9a4fc2cac7d00db

  • C:\Users\Admin\AppData\Local\Temp\is-HIU50.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • C:\Users\Admin\AppData\Local\Temp\is-MLTU7.tmp\074d6c9f6bcb79a7237dc74098cacc5d52980d47e830d10ffc7bec92f772deef.tmp

    Filesize

    680KB

    MD5

    3a922fbd0374f004bb3e6437e5a25761

    SHA1

    04f7348db66463ab672e4dc4747501b6e7860c57

    SHA256

    f20e29cd7f43505a8296fbbf501aa332f74db58ee8d60cf114835bd5f29e170c

    SHA512

    86cd40600fbce609bdd6dbf85084f7f972e1bfd1e0247479c140be1c690975bed026ba7f08ef82455c7da400f84c94e45df12d652edf6e76f33f5a3678aefa3f

  • memory/3160-96-0x0000000000400000-0x00000000006C7000-memory.dmp

    Filesize

    2.8MB

  • memory/3160-80-0x0000000000400000-0x00000000006C7000-memory.dmp

    Filesize

    2.8MB

  • memory/3160-114-0x0000000000400000-0x00000000006C7000-memory.dmp

    Filesize

    2.8MB

  • memory/3160-111-0x0000000000400000-0x00000000006C7000-memory.dmp

    Filesize

    2.8MB

  • memory/3160-108-0x0000000000400000-0x00000000006C7000-memory.dmp

    Filesize

    2.8MB

  • memory/3160-105-0x0000000000400000-0x00000000006C7000-memory.dmp

    Filesize

    2.8MB

  • memory/3160-102-0x0000000000400000-0x00000000006C7000-memory.dmp

    Filesize

    2.8MB

  • memory/3160-68-0x0000000000400000-0x00000000006C7000-memory.dmp

    Filesize

    2.8MB

  • memory/3160-99-0x0000000000400000-0x00000000006C7000-memory.dmp

    Filesize

    2.8MB

  • memory/3160-93-0x0000000000400000-0x00000000006C7000-memory.dmp

    Filesize

    2.8MB

  • memory/3160-71-0x0000000000400000-0x00000000006C7000-memory.dmp

    Filesize

    2.8MB

  • memory/3160-74-0x0000000000400000-0x00000000006C7000-memory.dmp

    Filesize

    2.8MB

  • memory/3160-77-0x0000000000400000-0x00000000006C7000-memory.dmp

    Filesize

    2.8MB

  • memory/3160-88-0x0000000000400000-0x00000000006C7000-memory.dmp

    Filesize

    2.8MB

  • memory/3160-83-0x0000000000400000-0x00000000006C7000-memory.dmp

    Filesize

    2.8MB

  • memory/3160-86-0x00000000008B0000-0x0000000000952000-memory.dmp

    Filesize

    648KB

  • memory/3164-65-0x0000000000400000-0x00000000006C7000-memory.dmp

    Filesize

    2.8MB

  • memory/3164-63-0x0000000000400000-0x00000000006C7000-memory.dmp

    Filesize

    2.8MB

  • memory/3164-60-0x0000000000400000-0x00000000006C7000-memory.dmp

    Filesize

    2.8MB

  • memory/3164-59-0x0000000000400000-0x00000000006C7000-memory.dmp

    Filesize

    2.8MB

  • memory/3196-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3196-69-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/3196-3-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/4988-10-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/4988-70-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB