Analysis

  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-05-2024 18:44

General

  • Target

    ccc148939e8ea297e741262d84e20ce64643736e9f294765cc0b8ca5eb9220c8.exe

  • Size

    5.6MB

  • MD5

    67c7a76b54e59f1ede8452b81e211b95

  • SHA1

    28404b83e16833a4953254fc3411ab281730f3c5

  • SHA256

    ccc148939e8ea297e741262d84e20ce64643736e9f294765cc0b8ca5eb9220c8

  • SHA512

    8bf5e4a4ae4af6d08c6d5eb7f4619d556020ea166e35740cef2584b5862f37bd047a5df91bf7ab899048e2b5a58c0f1f2dc5e11b990bf45f4ae6a22ad14c02c3

  • SSDEEP

    98304:m/XhC5l6JHABAZkNCik1+6c0T2HdZVeh3/Jz5PUquK40WB1kv3yG8F/5Wd5peT0F:WeAqNePY9oJuKD41GiN/ua0MY3

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\ccc148939e8ea297e741262d84e20ce64643736e9f294765cc0b8ca5eb9220c8.exe
    "C:\Users\Admin\AppData\Local\Temp\ccc148939e8ea297e741262d84e20ce64643736e9f294765cc0b8ca5eb9220c8.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1588
    • C:\Users\Admin\AppData\Local\Temp\is-SU1FD.tmp\ccc148939e8ea297e741262d84e20ce64643736e9f294765cc0b8ca5eb9220c8.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-SU1FD.tmp\ccc148939e8ea297e741262d84e20ce64643736e9f294765cc0b8ca5eb9220c8.tmp" /SL5="$B0058,5599170,54272,C:\Users\Admin\AppData\Local\Temp\ccc148939e8ea297e741262d84e20ce64643736e9f294765cc0b8ca5eb9220c8.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1700
      • C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
        "C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe" -i
        3⤵
        • Executes dropped EXE
        PID:2880
      • C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe
        "C:\Users\Admin\AppData\Local\5K Player\5kplayer32.exe" -s
        3⤵
        • Executes dropped EXE
        PID:5076

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    3.3MB

    MD5

    15dc03b38549f4622b159379e7278051

    SHA1

    5bbf41ba643e13f1d69997d6c798cc074fb9cbc2

    SHA256

    715db4a4566cbc68cec3938b227ba94eafdc2d454719b6f9dd53d7452db8b5ed

    SHA512

    3bbecebc526b8e053490909c36f6201c6dc56b78587d745ddbbabffbab953ca78c85f7a137c9ea35e05e53bed7dc34de7d226ca07fde5cf3c4e0bf7985e52dae

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

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

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

    Filesize

    32KB

    MD5

    b6f11a0ab7715f570f45900a1fe84732

    SHA1

    77b1201e535445af5ea94c1b03c0a1c34d67a77b

    SHA256

    e47dd306a9854599f02bc1b07ca6dfbd5220f8a1352faa9616d1a327de0bbf67

    SHA512

    78a757e67d21eb7cc95954df15e3eeff56113d6b40fb73f0c5f53304265cc52c79125d6f1b3655b64f9a411711b5b70f746080d708d7c222f4e65bad64b1b771

  • C:\Users\Admin\AppData\Local\Temp\is-SU1FD.tmp\ccc148939e8ea297e741262d84e20ce64643736e9f294765cc0b8ca5eb9220c8.tmp

    Filesize

    680KB

    MD5

    ef9105d68de970efad785e01b21e4e2b

    SHA1

    7fe8801a3e86814972da63a7a943bdc5e31d8888

    SHA256

    381198ca0669ab760f6f9b84e39c39ab5e870f65d17d03ed0dc572a1c602364a

    SHA512

    e388cbf32a4d833c0e4c6c1a129515b4d12eac5b333f2aec39e741d3a0da856c5923d47cf4d3083ad030f7f07b9214261b2b9119720920dd42929eeb617e779c

  • memory/1588-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1588-3-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/1588-75-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1700-10-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/1700-76-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/2880-66-0x0000000000400000-0x000000000074D000-memory.dmp

    Filesize

    3.3MB

  • memory/2880-67-0x0000000000400000-0x000000000074D000-memory.dmp

    Filesize

    3.3MB

  • memory/2880-71-0x0000000000400000-0x000000000074D000-memory.dmp

    Filesize

    3.3MB

  • memory/2880-65-0x0000000000400000-0x000000000074D000-memory.dmp

    Filesize

    3.3MB

  • memory/5076-77-0x0000000000400000-0x000000000074D000-memory.dmp

    Filesize

    3.3MB

  • memory/5076-95-0x0000000000400000-0x000000000074D000-memory.dmp

    Filesize

    3.3MB

  • memory/5076-80-0x0000000000400000-0x000000000074D000-memory.dmp

    Filesize

    3.3MB

  • memory/5076-83-0x0000000000400000-0x000000000074D000-memory.dmp

    Filesize

    3.3MB

  • memory/5076-86-0x0000000000400000-0x000000000074D000-memory.dmp

    Filesize

    3.3MB

  • memory/5076-89-0x0000000000400000-0x000000000074D000-memory.dmp

    Filesize

    3.3MB

  • memory/5076-92-0x0000000002540000-0x00000000025E2000-memory.dmp

    Filesize

    648KB

  • memory/5076-74-0x0000000000400000-0x000000000074D000-memory.dmp

    Filesize

    3.3MB

  • memory/5076-100-0x0000000000400000-0x000000000074D000-memory.dmp

    Filesize

    3.3MB

  • memory/5076-103-0x0000000000400000-0x000000000074D000-memory.dmp

    Filesize

    3.3MB

  • memory/5076-106-0x0000000000400000-0x000000000074D000-memory.dmp

    Filesize

    3.3MB

  • memory/5076-109-0x0000000000400000-0x000000000074D000-memory.dmp

    Filesize

    3.3MB

  • memory/5076-112-0x0000000000400000-0x000000000074D000-memory.dmp

    Filesize

    3.3MB

  • memory/5076-115-0x0000000000400000-0x000000000074D000-memory.dmp

    Filesize

    3.3MB

  • memory/5076-118-0x0000000000400000-0x000000000074D000-memory.dmp

    Filesize

    3.3MB

  • memory/5076-121-0x0000000000400000-0x000000000074D000-memory.dmp

    Filesize

    3.3MB