Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    09/05/2024, 08:22

General

  • Target

    0388d914c3e63c41b73d634a2510a250_NEIKI.exe

  • Size

    119KB

  • MD5

    0388d914c3e63c41b73d634a2510a250

  • SHA1

    7358323fea8ff5237af2d26a2b8dc265e793255c

  • SHA256

    55907f0cbaf84764fe97d1dcc9f3230c1572010e2f424eed6976fc85b6650359

  • SHA512

    ea8f3d0f09d3bd14f7c3f249cf17df1061eb1081d0cfc53710f84d73e58f1528601da4dde95ab88556529013af6a240e21ddd209eb8ca656e4aec13816871173

  • SSDEEP

    3072:lOjWuyt0ZsqsXOKofHfHTXQLzgvnzHPowYbvrjD/L7QPbg/Dr0T3rnXLHf7zjPPh:lIs9OKofHfHTXQLzgvnzHPowYbvrjD/E

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 6 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 19 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Maps connected drives based on registry 3 TTPs 6 IoCs

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

  • Drops file in System32 directory 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • Modifies registry class 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0388d914c3e63c41b73d634a2510a250_NEIKI.exe
    "C:\Users\Admin\AppData\Local\Temp\0388d914c3e63c41b73d634a2510a250_NEIKI.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Maps connected drives based on registry
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1692
    • C:\Windows\SysWOW64\ctfmen.exe
      ctfmen.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2724
      • C:\Windows\SysWOW64\smnss.exe
        C:\Windows\system32\smnss.exe
        3⤵
        • Drops file in Drivers directory
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Enumerates connected drives
        • Maps connected drives based on registry
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        PID:2692

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\satornas.dll

    Filesize

    183B

    MD5

    68bc1c8a68f2f91be8fa476ce5810850

    SHA1

    ec2343ef6c043687cdc70192b0d9122430cee62c

    SHA256

    fc7c8e5df6b4ddf27fd2de08392a62eceece49a1415e07bd152046327d9a25a8

    SHA512

    2b484f5ae011bd8766ba9017487cba1e0c10995aedefc6a618243eafed03210d8fa3bfc5c7b93ddf92a282557ce14ad6210be638ef99ef3110a82893064ed9d8

  • \Windows\SysWOW64\ctfmen.exe

    Filesize

    4KB

    MD5

    53c92b0c4233ea9ca22ff8dc3e187b4e

    SHA1

    207af411def264afe9d67cb8fb91071390c0c5bf

    SHA256

    5a91b92720825c19265cfcc94801179e712ead5832e1a9b0d9f0da3eb64e905a

    SHA512

    82384f920c4e724d663d1e158ebbfec62a3ab6d3a611bc9d264ace3fad71393a2ba24969e8cbc6180e0226ed9430d620dc3423a4dbea88d0e957d92efb28f2b3

  • \Windows\SysWOW64\shervans.dll

    Filesize

    8KB

    MD5

    201226ef11f472a4cfa92be26c56bafd

    SHA1

    1b988d723fb7eb3b2a2d1983aadaff6ec7112669

    SHA256

    dc21589aa73a7db899c2db0f4c3233a297d991c0ef7f74ef3db7fab035afe16a

    SHA512

    1015098e318d7bbc9c365f714dd5c481547febfb401f6206333129ab9f6bc7e30bddbaf51378e2e037d2c85f17022ef70ed3562cd1b9a0ca0e022ae2567e2e24

  • \Windows\SysWOW64\smnss.exe

    Filesize

    119KB

    MD5

    c8fe574747438c77abd0fa9ee66917f0

    SHA1

    9f8cc9a8274442f0c8e425e50dc381446000e137

    SHA256

    a8ac22266a2ffebb980a9b50a4a098ccc8ce64b8c84625627567e58503fe6be5

    SHA512

    9450b8bd7bf22d6b01670db42e5e0e562194d5f13b5b54ce950639c96ebaf0b1e40c86dcf6e03dd68b0f65ea18d521145b4663ad313ccd19eccc4e1cdc073325

  • memory/1692-16-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/1692-18-0x00000000002F0000-0x00000000002F9000-memory.dmp

    Filesize

    36KB

  • memory/1692-25-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/1692-1-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2692-45-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2692-42-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/2692-39-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2724-27-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2724-34-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2724-30-0x0000000000320000-0x0000000000340000-memory.dmp

    Filesize

    128KB