Analysis

  • max time kernel
    292s
  • max time network
    254s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    20-06-2024 22:35

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

bocojbo.com

http://bocojbo.com/search/?q=67e28dd86a5ba0284308f94b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978f071ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6f87fd13c9e693

Signatures

  • Detect Socks5Systemz Payload 1 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 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 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\14eca124238234bf79ee09a6a2badeeeaee0cd747445f01d0aa093b427b4cd18.exe
    "C:\Users\Admin\AppData\Local\Temp\14eca124238234bf79ee09a6a2badeeeaee0cd747445f01d0aa093b427b4cd18.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1488
    • C:\Users\Admin\AppData\Local\Temp\is-2LU97.tmp\14eca124238234bf79ee09a6a2badeeeaee0cd747445f01d0aa093b427b4cd18.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-2LU97.tmp\14eca124238234bf79ee09a6a2badeeeaee0cd747445f01d0aa093b427b4cd18.tmp" /SL5="$3012E,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:1728
      • 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:2676
      • 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:2496

Network

MITRE ATT&CK Matrix ATT&CK v13

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

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

    2.7MB

    MD5

    ad737a4e7e860b7b2c106d8da360a530

    SHA1

    92a8eedb9de2ba7a768a8cee4a82d9134be5e09d

    SHA256

    6b5041c01c4275ac8bbe76e90b5df54b54807404b3251e3ecfc1055ab44f62cc

    SHA512

    69e696d78d547a9f9ecb392fdc32be6a01f8b404acc9b7ea43bebc74b6242b40e8646ffde12dac696e45eae9f636b01503d2794963088356ed33bdcc0062e2a0

  • \Users\Admin\AppData\Local\Temp\is-2LU97.tmp\14eca124238234bf79ee09a6a2badeeeaee0cd747445f01d0aa093b427b4cd18.tmp
    Filesize

    680KB

    MD5

    18e1f77fda7cca9e6162bbfc406b4340

    SHA1

    b73e1046cb4dc7c12923d84eb311e27acfae795b

    SHA256

    e46557f8e4fce33af732b6d1eff19f00105f6e112de1b5a555aa233988858ab3

    SHA512

    71a1ac2b0aec70d1f47625850bbf916abb5d960ba7ec6a37cb8f22037c3839917134b6c82955feff37772dddb2d5ad34f76c9bb68337729c4159ab451eaffe57

  • \Users\Admin\AppData\Local\Temp\is-R5T7B.tmp\_isetup\_iscrypt.dll
    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • \Users\Admin\AppData\Local\Temp\is-R5T7B.tmp\_isetup\_shfoldr.dll
    Filesize

    22KB

    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • memory/1488-73-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/1488-2-0x0000000000401000-0x000000000040B000-memory.dmp
    Filesize

    40KB

  • memory/1488-0-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/1728-19-0x0000000000400000-0x00000000004BA000-memory.dmp
    Filesize

    744KB

  • memory/1728-63-0x0000000003510000-0x00000000037C9000-memory.dmp
    Filesize

    2.7MB

  • memory/1728-78-0x0000000003510000-0x00000000037C9000-memory.dmp
    Filesize

    2.7MB

  • memory/1728-74-0x0000000000400000-0x00000000004BA000-memory.dmp
    Filesize

    744KB

  • memory/2496-107-0x0000000000400000-0x00000000006B9000-memory.dmp
    Filesize

    2.7MB

  • memory/2496-101-0x0000000000400000-0x00000000006B9000-memory.dmp
    Filesize

    2.7MB

  • memory/2496-75-0x0000000000400000-0x00000000006B9000-memory.dmp
    Filesize

    2.7MB

  • memory/2496-137-0x0000000000400000-0x00000000006B9000-memory.dmp
    Filesize

    2.7MB

  • memory/2496-79-0x0000000000400000-0x00000000006B9000-memory.dmp
    Filesize

    2.7MB

  • memory/2496-82-0x0000000000400000-0x00000000006B9000-memory.dmp
    Filesize

    2.7MB

  • memory/2496-85-0x0000000000400000-0x00000000006B9000-memory.dmp
    Filesize

    2.7MB

  • memory/2496-88-0x0000000000400000-0x00000000006B9000-memory.dmp
    Filesize

    2.7MB

  • memory/2496-91-0x0000000000400000-0x00000000006B9000-memory.dmp
    Filesize

    2.7MB

  • memory/2496-92-0x0000000002390000-0x0000000002432000-memory.dmp
    Filesize

    648KB

  • memory/2496-98-0x0000000000400000-0x00000000006B9000-memory.dmp
    Filesize

    2.7MB

  • memory/2496-132-0x0000000000400000-0x00000000006B9000-memory.dmp
    Filesize

    2.7MB

  • memory/2496-104-0x0000000000400000-0x00000000006B9000-memory.dmp
    Filesize

    2.7MB

  • memory/2496-129-0x0000000000400000-0x00000000006B9000-memory.dmp
    Filesize

    2.7MB

  • memory/2496-110-0x0000000000400000-0x00000000006B9000-memory.dmp
    Filesize

    2.7MB

  • memory/2496-113-0x0000000000400000-0x00000000006B9000-memory.dmp
    Filesize

    2.7MB

  • memory/2496-117-0x0000000000400000-0x00000000006B9000-memory.dmp
    Filesize

    2.7MB

  • memory/2496-120-0x0000000000400000-0x00000000006B9000-memory.dmp
    Filesize

    2.7MB

  • memory/2496-123-0x0000000000400000-0x00000000006B9000-memory.dmp
    Filesize

    2.7MB

  • memory/2496-126-0x0000000000400000-0x00000000006B9000-memory.dmp
    Filesize

    2.7MB

  • memory/2676-65-0x0000000000400000-0x00000000006B9000-memory.dmp
    Filesize

    2.7MB

  • memory/2676-70-0x0000000000400000-0x00000000006B9000-memory.dmp
    Filesize

    2.7MB

  • memory/2676-67-0x0000000000400000-0x00000000006B9000-memory.dmp
    Filesize

    2.7MB