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Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/05/2024, 05:07

General

  • Target

    786e71d281ccbfc75425035a0142c730_NeikiAnalytics.exe

  • Size

    75KB

  • MD5

    786e71d281ccbfc75425035a0142c730

  • SHA1

    b354afe936524669d4bf44088735e1ce65438d43

  • SHA256

    62af959999aa7c238a6d4c356ef6cf1556a2333c07281bb59bcb59d7946809a5

  • SHA512

    2a9134c6eb64fdcf65f8825b1e47ab94149caea81c8b67589ddcd235619b34fc8af556f9db22d1307007602f64336e328671a729b4cc98a5f9f51071e336bce6

  • SSDEEP

    768:qGHV45EDE477AZbUJx0rZGE3jCELoiMMj6hZ3nE+EXVmkDbjRL8Khc15Z6J1S:qG14P477AxUYrZGoC09k0SkTRHhWqP

Malware Config

Signatures

  • Blocklisted process makes network request 3 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 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 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\786e71d281ccbfc75425035a0142c730_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\786e71d281ccbfc75425035a0142c730_NeikiAnalytics.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4012
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&c:\fjiprbtm.exe "C:\Users\Admin\AppData\Local\Temp\786e71d281ccbfc75425035a0142c730_NeikiAnalytics.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4024
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • Runs ping.exe
        PID:3300
      • \??\c:\fjiprbtm.exe
        c:\fjiprbtm.exe "C:\Users\Admin\AppData\Local\Temp\786e71d281ccbfc75425035a0142c730_NeikiAnalytics.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2364
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\kxnwhfxb\gjgru.dll",init c:\fjiprbtm.exe
          4⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4168

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\fjiprbtm.exe

    Filesize

    75KB

    MD5

    75c79f19b2bd3faed6930497886bba53

    SHA1

    167e43ec02c1c49e7064822af7f555539651485c

    SHA256

    8f641fe9c3c5b27ca4cfb626fb2d7181663c1072c1e909b3f7376be8c152e4f7

    SHA512

    8404a9482a66bfc54c95355ed20b813d8d1da1cdd1779756715db18f3a6a86fa7bc423a2a86f2b81396fb6b42028dff388296ee587303b1c03b881f7d804f3df

  • \??\c:\kxnwhfxb\gjgru.dll

    Filesize

    42KB

    MD5

    36e3fb5964d663272cf1169e1e1ca478

    SHA1

    58115e08b49505bcbbb5c88a28a86222ba18d5d4

    SHA256

    c7c41689de030df0f78f471422fa2a6383b36e77c94e7f6f124a96feb3e27ed7

    SHA512

    daff53b11aa400437a06287707a334a09661c1ef7d0fd8beaf1a874c79c16fe45bd1188343d0623e839d3ead5ea2dd90896e37ccf3b252c7220c74989a9ba442

  • memory/2364-7-0x00000000005B0000-0x00000000005B1000-memory.dmp

    Filesize

    4KB

  • memory/2364-9-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/4012-0-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/4012-1-0x00000000020E0000-0x00000000020E1000-memory.dmp

    Filesize

    4KB

  • memory/4012-3-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/4168-13-0x0000000000B20000-0x0000000000B21000-memory.dmp

    Filesize

    4KB

  • memory/4168-12-0x0000000010000000-0x000000001002E000-memory.dmp

    Filesize

    184KB

  • memory/4168-14-0x0000000010000000-0x000000001002E000-memory.dmp

    Filesize

    184KB

  • memory/4168-15-0x0000000010000000-0x000000001002E000-memory.dmp

    Filesize

    184KB

  • memory/4168-16-0x0000000000B20000-0x0000000000B21000-memory.dmp

    Filesize

    4KB