Overview

overview

8

Static

static

3

16f8810928...ab.exe

windows7-x64

8

16f8810928...ab.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    149s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-07-2024 15:36

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General

  • Target

    16f88109285e181d70e1043ba4c5bbb24bbcb4da8f8db3b6dcb53928d83346ab.exe

  • Size

    408KB

  • MD5

    04b6cd511ca6299b2b6ae8c3b990221e

  • SHA1

    50d7cbf4c67916de014d846b7afb80a07f486a16

  • SHA256

    16f88109285e181d70e1043ba4c5bbb24bbcb4da8f8db3b6dcb53928d83346ab

  • SHA512

    6bd5fe393b9dafe58dedc9c0d85046484a20abef5d7f080c22e292edfb3e8a127170f2c92168f7e3efa9b27d20cc246b15aac195547c0d77c45959a40b6b65ec

  • SSDEEP

    6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4A:gtRfJcNYFNm8UhlZGseA

Score
8/10
bootkitpersistencespywarestealer

Malware Config

Signatures

  • Blocklisted process makes network request 8 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.

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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.

    bootkitpersistence
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • 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 64 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\16f88109285e181d70e1043ba4c5bbb24bbcb4da8f8db3b6dcb53928d83346ab.exe
    "C:\Users\Admin\AppData\Local\Temp\16f88109285e181d70e1043ba4c5bbb24bbcb4da8f8db3b6dcb53928d83346ab.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:848
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\dyavl.exe "C:\Users\Admin\AppData\Local\Temp\16f88109285e181d70e1043ba4c5bbb24bbcb4da8f8db3b6dcb53928d83346ab.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3964
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • Runs ping.exe
        PID:4584
      • C:\Users\Admin\AppData\Local\Temp\dyavl.exe
        C:\Users\Admin\AppData\Local\Temp\\dyavl.exe "C:\Users\Admin\AppData\Local\Temp\16f88109285e181d70e1043ba4c5bbb24bbcb4da8f8db3b6dcb53928d83346ab.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4708
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\Program Files\uvsvj\tfmdxkv.dll",Verify C:\Users\Admin\AppData\Local\Temp\dyavl.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)
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4776

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\dyavl.exe
    Filesize

    408KB

    MD5

    3c3af017b0ddbf6bafc7aa641e5fdfbf

    SHA1

    b696e2f087fb6b62f8109cc49626d8cf12a3d89e

    SHA256

    b80c4c27207f14153c41fcb28a55478fe7c10f8dca5cf7e2459279eb42ef0420

    SHA512

    107a93b61ceaf0512cfb10ef9ad2f4f212b73e823bf3a5b0d9726bbf6b3e54a8bef736954ac49824ad9242711c43a618f3e4d4fa59dd6a584fa3e9c54762740b

    Download Submit

  • \??\c:\Program Files\uvsvj\tfmdxkv.dll
    Filesize

    228KB

    MD5

    c8f0293706eb329540182a1405090f70

    SHA1

    3bca61cc809cddcf4bab6aa30dc103ba1c43ffcd

    SHA256

    fd84b1d4afc6811d5fb0aa8b625a1d95522738723fc83b5ca948427df56925ca

    SHA512

    c677e3e6772ef355ddd6bb63e3d145609d129bafd4d5b5d352d9923d4be0d5c46fe90a51ceb91e20d9a3ce6ed4293d9ee329df41850d29b59d9c40ed0ac3dcca

    Download Submit

  • memory/848-0-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

    Download

  • memory/848-2-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

    Download

  • memory/4708-6-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

    Download

  • memory/4708-8-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

    Download

  • memory/4776-11-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

    Download

  • memory/4776-13-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

    Download

  • memory/4776-14-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

    Download