Analysis

  • max time kernel
    141s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    13/05/2024, 10:20

General

  • Target

    b23322dcd97791cb71fb6334b4fd6130_NeikiAnalytics.exe

  • Size

    47KB

  • MD5

    b23322dcd97791cb71fb6334b4fd6130

  • SHA1

    6b4ba15113c23ea7190252aa2c3357c8c0c338cf

  • SHA256

    08707998b12ff7bd313fda087fe0f3a47d288922898a4ce6c0202b766d77b028

  • SHA512

    1fcebfebc1bedffc0566029c0507be22c1d97abdeacba2c36a5007522ddce1f5bad79c4f882a6b540078c816c519da8ce49aee5cc311dfcc23654c9b750626da

  • SSDEEP

    768:hX0gWvCzuw6Uj9uGi45XOPxV5HNWnnnl000e999vddddIyyyOOtttb2222ewwwwo:6vCzuw6UD9Az5HNWnnn622222ewwwwkr

Score
8/10

Malware Config

Signatures

  • Sets file to hidden 1 TTPs 1 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 8 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b23322dcd97791cb71fb6334b4fd6130_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\b23322dcd97791cb71fb6334b4fd6130_NeikiAnalytics.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1736
    • C:\Windows\SysWOW64\attrib.exe
      attrib +a +s +h +r C:\Windows\Debug\ayahost.exe
      2⤵
      • Sets file to hidden
      • Drops file in Windows directory
      • Views/modifies file attributes
      PID:2364
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\B23322~1.EXE > nul
      2⤵
      • Deletes itself
      PID:2596
  • C:\Windows\Debug\ayahost.exe
    C:\Windows\Debug\ayahost.exe
    1⤵
    • Executes dropped EXE
    • Checks processor information in registry
    PID:2360

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Windows\Debug\ayahost.exe

          Filesize

          47KB

          MD5

          75c863e178af2097f1851725ecf4be46

          SHA1

          790a57ed3432602f3e821dc6dd3c09e5117fbda8

          SHA256

          86a90c773a97be8a443fb9d9986c7e23f39d556051037ff57f5c2346ee630008

          SHA512

          65a3d02be7ef42e55cf6c6cf6fd3ebbe8778f159db52366d45078bb725b1c9968ee56f14a595e83bafcc23a624214dc4d0db52bb1aa1de99ede7a39cdc375265

        • memory/1736-0-0x0000000000400000-0x0000000000416000-memory.dmp

          Filesize

          88KB

        • memory/1736-6-0x0000000000400000-0x0000000000416000-memory.dmp

          Filesize

          88KB

        • memory/2360-5-0x0000000000400000-0x0000000000416000-memory.dmp

          Filesize

          88KB

        • memory/2360-7-0x0000000000400000-0x0000000000416000-memory.dmp

          Filesize

          88KB

        • memory/2360-13-0x0000000000400000-0x0000000000416000-memory.dmp

          Filesize

          88KB

        • memory/2360-16-0x0000000000400000-0x0000000000416000-memory.dmp

          Filesize

          88KB

        • memory/2360-19-0x0000000000400000-0x0000000000416000-memory.dmp

          Filesize

          88KB