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 12:33

General

  • Target

    60bea6781b88a21f142f6735cceb035477b4a38a51a0cfdad1c1ff44c75d423f_NeikiAnalytics.exe

  • Size

    4.5MB

  • MD5

    344885539768e5c51e229bfc4dabfb60

  • SHA1

    31158e4d1e6fcf26c26fb109613dfac326f81277

  • SHA256

    60bea6781b88a21f142f6735cceb035477b4a38a51a0cfdad1c1ff44c75d423f

  • SHA512

    f9ca603db2fbeb19f8357e3db3cc0a027cfeec2dce2122b9da3f16450909bddeebda9ff284d65ae8980305f58c748c45df58fc3d99facf03fb56419a78b1cd1c

  • SSDEEP

    98304:mi5sMiR4cn6D3cl+19EmwBUf2BpYklxpwo9UNx5VpuZea5a679O3R:p5QOCRqEmeWCN9Uy5ao9OB

Malware Config

Extracted

Family

socks5systemz

C2

bewjiij.com

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\60bea6781b88a21f142f6735cceb035477b4a38a51a0cfdad1c1ff44c75d423f_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\60bea6781b88a21f142f6735cceb035477b4a38a51a0cfdad1c1ff44c75d423f_NeikiAnalytics.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2492
    • C:\Users\Admin\AppData\Local\Temp\is-E796Q.tmp\60bea6781b88a21f142f6735cceb035477b4a38a51a0cfdad1c1ff44c75d423f_NeikiAnalytics.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-E796Q.tmp\60bea6781b88a21f142f6735cceb035477b4a38a51a0cfdad1c1ff44c75d423f_NeikiAnalytics.tmp" /SL5="$601C8,4442346,54272,C:\Users\Admin\AppData\Local\Temp\60bea6781b88a21f142f6735cceb035477b4a38a51a0cfdad1c1ff44c75d423f_NeikiAnalytics.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4416
      • C:\Users\Admin\AppData\Local\Free Audio Extractor\freeaudioextractor32.exe
        "C:\Users\Admin\AppData\Local\Free Audio Extractor\freeaudioextractor32.exe" -i
        3⤵
        • Executes dropped EXE
        PID:3172
      • C:\Users\Admin\AppData\Local\Free Audio Extractor\freeaudioextractor32.exe
        "C:\Users\Admin\AppData\Local\Free Audio Extractor\freeaudioextractor32.exe" -s
        3⤵
        • Executes dropped EXE
        PID:2652

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Free Audio Extractor\freeaudioextractor32.exe

    Filesize

    2.7MB

    MD5

    cee6606900f0cf8cd55f8c1157a0311b

    SHA1

    68b9be96ec2ca13d7f2972e98285eb5e2e26c920

    SHA256

    3938d76861430873347e0b5eebdf6f8bcfc175696a022e0d4c86c5680f36bcaf

    SHA512

    c28d1030c30e0beb07740aacd7be0cecd9f8dd7823e182651af995f0b4a12a7bee5a89776967c8396aa4a69350001770d061772797d635ed84549c0730b6c6a2

  • C:\Users\Admin\AppData\Local\Temp\is-B09M1.tmp\_isetup\_iscrypt.dll

    Filesize

    2KB

    MD5

    a69559718ab506675e907fe49deb71e9

    SHA1

    bc8f404ffdb1960b50c12ff9413c893b56f2e36f

    SHA256

    2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

    SHA512

    e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

  • C:\Users\Admin\AppData\Local\Temp\is-E796Q.tmp\60bea6781b88a21f142f6735cceb035477b4a38a51a0cfdad1c1ff44c75d423f_NeikiAnalytics.tmp

    Filesize

    680KB

    MD5

    2dc58283f734f2159ca5f5a2fc2fcfdf

    SHA1

    55487d70451a929c331e203e689bcf42b5ceb208

    SHA256

    35949d234b8d54ea692512e98f70f2846157256262bd4faefaa499dd7a73b12d

    SHA512

    8bb241507e774daef5a78fa047dfd276cf408380bac05ca33825c11ab598a5c919d8dc1021c29426070713246b7a2bebfed5bb0a02b52094ef37488981742c02

  • memory/2492-68-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2492-3-0x0000000000401000-0x000000000040B000-memory.dmp

    Filesize

    40KB

  • memory/2492-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2652-87-0x0000000000400000-0x00000000006AD000-memory.dmp

    Filesize

    2.7MB

  • memory/2652-85-0x0000000002430000-0x00000000024D2000-memory.dmp

    Filesize

    648KB

  • memory/2652-113-0x0000000000400000-0x00000000006AD000-memory.dmp

    Filesize

    2.7MB

  • memory/2652-110-0x0000000000400000-0x00000000006AD000-memory.dmp

    Filesize

    2.7MB

  • memory/2652-107-0x0000000000400000-0x00000000006AD000-memory.dmp

    Filesize

    2.7MB

  • memory/2652-104-0x0000000000400000-0x00000000006AD000-memory.dmp

    Filesize

    2.7MB

  • memory/2652-70-0x0000000000400000-0x00000000006AD000-memory.dmp

    Filesize

    2.7MB

  • memory/2652-73-0x0000000000400000-0x00000000006AD000-memory.dmp

    Filesize

    2.7MB

  • memory/2652-76-0x0000000000400000-0x00000000006AD000-memory.dmp

    Filesize

    2.7MB

  • memory/2652-79-0x0000000000400000-0x00000000006AD000-memory.dmp

    Filesize

    2.7MB

  • memory/2652-82-0x0000000000400000-0x00000000006AD000-memory.dmp

    Filesize

    2.7MB

  • memory/2652-101-0x0000000000400000-0x00000000006AD000-memory.dmp

    Filesize

    2.7MB

  • memory/2652-98-0x0000000000400000-0x00000000006AD000-memory.dmp

    Filesize

    2.7MB

  • memory/2652-92-0x0000000000400000-0x00000000006AD000-memory.dmp

    Filesize

    2.7MB

  • memory/2652-95-0x0000000000400000-0x00000000006AD000-memory.dmp

    Filesize

    2.7MB

  • memory/3172-60-0x0000000000400000-0x00000000006AD000-memory.dmp

    Filesize

    2.7MB

  • memory/3172-59-0x0000000000400000-0x00000000006AD000-memory.dmp

    Filesize

    2.7MB

  • memory/3172-65-0x0000000000400000-0x00000000006AD000-memory.dmp

    Filesize

    2.7MB

  • memory/3172-64-0x0000000000400000-0x00000000006AD000-memory.dmp

    Filesize

    2.7MB

  • memory/4416-7-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB

  • memory/4416-69-0x0000000000400000-0x00000000004BA000-memory.dmp

    Filesize

    744KB