Analysis

  • max time kernel
    143s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    01-07-2024 12:09

General

  • Target

    51270c6b728cf1f1c9ded5de0d2e3b70f0807b5f0b2beae4b770accd482da3fe_NeikiAnalytics.exe

  • Size

    5.1MB

  • MD5

    4f0af713f662da73735c30b2031cd880

  • SHA1

    dccc8f113c2cf046d94bf6bcec606a9ee36f2b47

  • SHA256

    51270c6b728cf1f1c9ded5de0d2e3b70f0807b5f0b2beae4b770accd482da3fe

  • SHA512

    87f5cccaed9a4008dc5457fdb9e5b08fae7fcb701969dd539de4f7dde7716ab1bad2767c290161540af84a7a96c5947dc7c048dee200ba42e5d923ffec1487c4

  • SSDEEP

    98304:mjCNxofRUpItT8jckQH5Qn7ifeeB/vy15aM6pAf+p/OI:JfoZ7F/keq2V9y15ajAf+p/T

Malware Config

Extracted

Family

socks5systemz

C2

bmclmzk.com

http://bmclmzk.com/search/?q=67e28dd83955a42b4006aa1b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ee8889b5e4fa9281ae978f671ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6e86fc17c5e890

http://bmclmzk.com/search/?q=67e28dd83955a42b4006aa1b7c27d78406abdd88be4b12eab517aa5c96bd86ea97864c96148ab2865b77f80ebad9c60f7cb63037ed2ab423a4334383ba915d911ec07bb606a0708720fa11b861c353baf51aba1e7242fa7023cc366689fe18c8ec939f3cc8

Signatures

  • Detect Socks5Systemz Payload 3 IoCs
  • Socks5Systemz

    Socks5Systemz is a botnet written in C++.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 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\51270c6b728cf1f1c9ded5de0d2e3b70f0807b5f0b2beae4b770accd482da3fe_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\51270c6b728cf1f1c9ded5de0d2e3b70f0807b5f0b2beae4b770accd482da3fe_NeikiAnalytics.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1740
    • C:\Users\Admin\AppData\Local\Temp\is-VQ0OU.tmp\51270c6b728cf1f1c9ded5de0d2e3b70f0807b5f0b2beae4b770accd482da3fe_NeikiAnalytics.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-VQ0OU.tmp\51270c6b728cf1f1c9ded5de0d2e3b70f0807b5f0b2beae4b770accd482da3fe_NeikiAnalytics.tmp" /SL5="$3012E,5099680,54272,C:\Users\Admin\AppData\Local\Temp\51270c6b728cf1f1c9ded5de0d2e3b70f0807b5f0b2beae4b770accd482da3fe_NeikiAnalytics.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2416
      • C:\Users\Admin\AppData\Local\Audio Normalizer\audionormalizer32_64.exe
        "C:\Users\Admin\AppData\Local\Audio Normalizer\audionormalizer32_64.exe" -i
        3⤵
        • Executes dropped EXE
        PID:2516
      • C:\Users\Admin\AppData\Local\Audio Normalizer\audionormalizer32_64.exe
        "C:\Users\Admin\AppData\Local\Audio Normalizer\audionormalizer32_64.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2508

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\Audio Normalizer\audionormalizer32_64.exe
    Filesize

    3.5MB

    MD5

    3e76e837f5dfd0226bff639db5f810db

    SHA1

    b23ea37bf1616bdb53e97814cd9beaeffd520c84

    SHA256

    b509cf7814c27b90d935f27f05b055cc56aa993e53cdeeadd3e943a24f8ad49d

    SHA512

    3e2a0fa5d684a0748a024394ecf6d26d6754b5c4d8f5b8cd7c712cccf2b7d9fa6a4362dee8d3818bc05af5245cb13fd0069db1f9ed9cf0d90a00d5a7b4857e3d

  • \Users\Admin\AppData\Local\Temp\is-G8TL2.tmp\_isetup\_iscrypt.dll
    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • \Users\Admin\AppData\Local\Temp\is-G8TL2.tmp\_isetup\_shfoldr.dll
    Filesize

    22KB

    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • \Users\Admin\AppData\Local\Temp\is-VQ0OU.tmp\51270c6b728cf1f1c9ded5de0d2e3b70f0807b5f0b2beae4b770accd482da3fe_NeikiAnalytics.tmp
    Filesize

    680KB

    MD5

    02ac1575689734c711e1675f1e3256fb

    SHA1

    8fa51663a81b5666dca987ddf6fc3ca7611227b8

    SHA256

    ce12f0283357e2ddb47d6fe8157ee94e4114128bc9f46db43649cff14db0780a

    SHA512

    079be3f51b2efea5c60779c2ddeab389931082a3a85fad5dd5497bfcac4c73bdc6ce2eab477e793258e1800807b1843a49d5d63d3f6dcf41fb87c6731048f532

  • memory/1740-75-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/1740-2-0x0000000000401000-0x000000000040B000-memory.dmp
    Filesize

    40KB

  • memory/1740-0-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/2416-9-0x0000000000400000-0x00000000004BA000-memory.dmp
    Filesize

    744KB

  • memory/2416-63-0x0000000003AC0000-0x0000000003E3E000-memory.dmp
    Filesize

    3.5MB

  • memory/2416-78-0x0000000003AC0000-0x0000000003E3E000-memory.dmp
    Filesize

    3.5MB

  • memory/2416-76-0x0000000000400000-0x00000000004BA000-memory.dmp
    Filesize

    744KB

  • memory/2508-106-0x0000000000400000-0x000000000077E000-memory.dmp
    Filesize

    3.5MB

  • memory/2508-100-0x0000000000400000-0x000000000077E000-memory.dmp
    Filesize

    3.5MB

  • memory/2508-124-0x0000000000400000-0x000000000077E000-memory.dmp
    Filesize

    3.5MB

  • memory/2508-77-0x0000000000400000-0x000000000077E000-memory.dmp
    Filesize

    3.5MB

  • memory/2508-120-0x0000000000400000-0x000000000077E000-memory.dmp
    Filesize

    3.5MB

  • memory/2508-81-0x0000000000400000-0x000000000077E000-memory.dmp
    Filesize

    3.5MB

  • memory/2508-84-0x0000000000400000-0x000000000077E000-memory.dmp
    Filesize

    3.5MB

  • memory/2508-87-0x0000000000400000-0x000000000077E000-memory.dmp
    Filesize

    3.5MB

  • memory/2508-90-0x0000000000400000-0x000000000077E000-memory.dmp
    Filesize

    3.5MB

  • memory/2508-93-0x0000000000400000-0x000000000077E000-memory.dmp
    Filesize

    3.5MB

  • memory/2508-94-0x0000000002290000-0x0000000002332000-memory.dmp
    Filesize

    648KB

  • memory/2508-73-0x0000000000400000-0x000000000077E000-memory.dmp
    Filesize

    3.5MB

  • memory/2508-103-0x0000000000400000-0x000000000077E000-memory.dmp
    Filesize

    3.5MB

  • memory/2508-119-0x0000000002290000-0x0000000002332000-memory.dmp
    Filesize

    648KB

  • memory/2508-109-0x0000000000400000-0x000000000077E000-memory.dmp
    Filesize

    3.5MB

  • memory/2508-112-0x0000000000400000-0x000000000077E000-memory.dmp
    Filesize

    3.5MB

  • memory/2508-115-0x0000000000400000-0x000000000077E000-memory.dmp
    Filesize

    3.5MB

  • memory/2508-118-0x0000000002290000-0x0000000002332000-memory.dmp
    Filesize

    648KB

  • memory/2516-65-0x0000000000400000-0x000000000077E000-memory.dmp
    Filesize

    3.5MB

  • memory/2516-66-0x0000000000400000-0x000000000077E000-memory.dmp
    Filesize

    3.5MB

  • memory/2516-70-0x0000000000400000-0x000000000077E000-memory.dmp
    Filesize

    3.5MB