Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-06-2024 20:35

General

  • Target

    14eca124238234bf79ee09a6a2badeeeaee0cd747445f01d0aa093b427b4cd18.exe

  • Size

    4.5MB

  • MD5

    a392e5918e481544a786d7f6e5b3c029

  • SHA1

    b19dd103ec830e6e9b6a8ab9b7fa2bc786a6daba

  • SHA256

    14eca124238234bf79ee09a6a2badeeeaee0cd747445f01d0aa093b427b4cd18

  • SHA512

    81d621bb9efd5553f0acfb5657fb57549837f8980553c01a21eb2fc0ddd5e0425bcbf8fea04a302fed7f93c43722e4091d182ffa5daa44777f6ea9bfd591a3dc

  • SSDEEP

    98304:mNHemAgeTbFhVyhbvN2/7+w7KLacOog45vs2lDELxegUwGYx5:meYkFhVUbvpjvjyxe9m

Malware Config

Extracted

Family

socks5systemz

C2

erowoen.ua

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\14eca124238234bf79ee09a6a2badeeeaee0cd747445f01d0aa093b427b4cd18.exe
    "C:\Users\Admin\AppData\Local\Temp\14eca124238234bf79ee09a6a2badeeeaee0cd747445f01d0aa093b427b4cd18.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4888
    • C:\Users\Admin\AppData\Local\Temp\is-2RROA.tmp\14eca124238234bf79ee09a6a2badeeeaee0cd747445f01d0aa093b427b4cd18.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-2RROA.tmp\14eca124238234bf79ee09a6a2badeeeaee0cd747445f01d0aa093b427b4cd18.tmp" /SL5="$70066,4492655,54272,C:\Users\Admin\AppData\Local\Temp\14eca124238234bf79ee09a6a2badeeeaee0cd747445f01d0aa093b427b4cd18.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:5116
      • C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\playercloudfree32.exe
        "C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\playercloudfree32.exe" -i
        3⤵
        • Executes dropped EXE
        PID:2288
      • C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\playercloudfree32.exe
        "C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\playercloudfree32.exe" -s
        3⤵
        • Executes dropped EXE
        PID:4392

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\FanPlayer Cloud Free\playercloudfree32.exe
    Filesize

    2.7MB

    MD5

    ad737a4e7e860b7b2c106d8da360a530

    SHA1

    92a8eedb9de2ba7a768a8cee4a82d9134be5e09d

    SHA256

    6b5041c01c4275ac8bbe76e90b5df54b54807404b3251e3ecfc1055ab44f62cc

    SHA512

    69e696d78d547a9f9ecb392fdc32be6a01f8b404acc9b7ea43bebc74b6242b40e8646ffde12dac696e45eae9f636b01503d2794963088356ed33bdcc0062e2a0

  • C:\Users\Admin\AppData\Local\Temp\is-2RROA.tmp\14eca124238234bf79ee09a6a2badeeeaee0cd747445f01d0aa093b427b4cd18.tmp
    Filesize

    680KB

    MD5

    18e1f77fda7cca9e6162bbfc406b4340

    SHA1

    b73e1046cb4dc7c12923d84eb311e27acfae795b

    SHA256

    e46557f8e4fce33af732b6d1eff19f00105f6e112de1b5a555aa233988858ab3

    SHA512

    71a1ac2b0aec70d1f47625850bbf916abb5d960ba7ec6a37cb8f22037c3839917134b6c82955feff37772dddb2d5ad34f76c9bb68337729c4159ab451eaffe57

  • C:\Users\Admin\AppData\Local\Temp\is-UP07A.tmp\_isetup\_iscrypt.dll
    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • memory/2288-61-0x0000000000400000-0x00000000006B9000-memory.dmp
    Filesize

    2.7MB

  • memory/2288-63-0x0000000000400000-0x00000000006B9000-memory.dmp
    Filesize

    2.7MB

  • memory/2288-65-0x0000000000400000-0x00000000006B9000-memory.dmp
    Filesize

    2.7MB

  • memory/2288-59-0x0000000000400000-0x00000000006B9000-memory.dmp
    Filesize

    2.7MB

  • memory/4392-74-0x0000000000400000-0x00000000006B9000-memory.dmp
    Filesize

    2.7MB

  • memory/4392-86-0x00000000008D0000-0x0000000000972000-memory.dmp
    Filesize

    648KB

  • memory/4392-114-0x0000000000400000-0x00000000006B9000-memory.dmp
    Filesize

    2.7MB

  • memory/4392-68-0x0000000000400000-0x00000000006B9000-memory.dmp
    Filesize

    2.7MB

  • memory/4392-111-0x0000000000400000-0x00000000006B9000-memory.dmp
    Filesize

    2.7MB

  • memory/4392-108-0x0000000000400000-0x00000000006B9000-memory.dmp
    Filesize

    2.7MB

  • memory/4392-71-0x0000000000400000-0x00000000006B9000-memory.dmp
    Filesize

    2.7MB

  • memory/4392-105-0x0000000000400000-0x00000000006B9000-memory.dmp
    Filesize

    2.7MB

  • memory/4392-77-0x0000000000400000-0x00000000006B9000-memory.dmp
    Filesize

    2.7MB

  • memory/4392-80-0x0000000000400000-0x00000000006B9000-memory.dmp
    Filesize

    2.7MB

  • memory/4392-83-0x0000000000400000-0x00000000006B9000-memory.dmp
    Filesize

    2.7MB

  • memory/4392-102-0x0000000000400000-0x00000000006B9000-memory.dmp
    Filesize

    2.7MB

  • memory/4392-88-0x0000000000400000-0x00000000006B9000-memory.dmp
    Filesize

    2.7MB

  • memory/4392-93-0x0000000000400000-0x00000000006B9000-memory.dmp
    Filesize

    2.7MB

  • memory/4392-96-0x0000000000400000-0x00000000006B9000-memory.dmp
    Filesize

    2.7MB

  • memory/4392-99-0x0000000000400000-0x00000000006B9000-memory.dmp
    Filesize

    2.7MB

  • memory/4888-0-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/4888-69-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/4888-3-0x0000000000401000-0x000000000040B000-memory.dmp
    Filesize

    40KB

  • memory/5116-16-0x0000000000400000-0x00000000004BA000-memory.dmp
    Filesize

    744KB

  • memory/5116-70-0x0000000000400000-0x00000000004BA000-memory.dmp
    Filesize

    744KB