Analysis

  • max time kernel
    144s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    10-11-2024 00:46

General

  • Target

    9775e0b681fcab10caa2a5f2bc9e29a42089631aa280a3584edb25f0697153da.exe

  • Size

    80KB

  • MD5

    13febf7a5e39b4716d743ca0131af98f

  • SHA1

    3398a7640d466fb0fcf5973c53047af0a1fbab22

  • SHA256

    9775e0b681fcab10caa2a5f2bc9e29a42089631aa280a3584edb25f0697153da

  • SHA512

    df06af8c2dae2eaf10b62f5ac080ac636177e1a728502ad26e6db89769a9716217f8a1a9577c6461828f18d3f5b02b2c27f8729f74947bf9c7f04c82bde2f703

  • SSDEEP

    768:qGHV45EDE477AZbUJx0rZGE3jCELoiMMj6hZ3nE+EXVmkDbjRL8Khc15Z6J1S:qG14P477AxUYrZGoC09k0SkTRHhWqP

Malware Config

Signatures

  • Blocklisted process makes network request 4 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Reads user/profile data of web browsers 3 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.

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9775e0b681fcab10caa2a5f2bc9e29a42089631aa280a3584edb25f0697153da.exe
    "C:\Users\Admin\AppData\Local\Temp\9775e0b681fcab10caa2a5f2bc9e29a42089631aa280a3584edb25f0697153da.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:804
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&c:\zqnxyuax.exe "C:\Users\Admin\AppData\Local\Temp\9775e0b681fcab10caa2a5f2bc9e29a42089631aa280a3584edb25f0697153da.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:3032
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2000
      • \??\c:\zqnxyuax.exe
        c:\zqnxyuax.exe "C:\Users\Admin\AppData\Local\Temp\9775e0b681fcab10caa2a5f2bc9e29a42089631aa280a3584edb25f0697153da.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2456
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\vimcq\nkodcw.dll",init c:\zqnxyuax.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)
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2748

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \??\c:\vimcq\nkodcw.dll

    Filesize

    42KB

    MD5

    36e3fb5964d663272cf1169e1e1ca478

    SHA1

    58115e08b49505bcbbb5c88a28a86222ba18d5d4

    SHA256

    c7c41689de030df0f78f471422fa2a6383b36e77c94e7f6f124a96feb3e27ed7

    SHA512

    daff53b11aa400437a06287707a334a09661c1ef7d0fd8beaf1a874c79c16fe45bd1188343d0623e839d3ead5ea2dd90896e37ccf3b252c7220c74989a9ba442

  • \??\c:\zqnxyuax.exe

    Filesize

    80KB

    MD5

    e3e6fb9cccc3915e26bfdcbdb60c97d5

    SHA1

    2c09b3ebc554e48434cba8d1bd29aad98ae60c5b

    SHA256

    417f4b0763a2a36145cff32aa3113be9ce6361b283a28f04c1790f78949c0a71

    SHA512

    1ec3838813ed2cad4f93931bc71f26ac8329aaeefc08a42d9de95303b633b52f5da5e6067dbbc6d42a82e1f114ce27d3b9cd8dc1eecae234bd662dc9ffb0128d

  • memory/804-1-0x00000000002C0000-0x00000000002C1000-memory.dmp

    Filesize

    4KB

  • memory/804-0-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/804-3-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/2456-8-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/2748-15-0x0000000010000000-0x000000001002E000-memory.dmp

    Filesize

    184KB

  • memory/2748-14-0x0000000010000000-0x000000001002E000-memory.dmp

    Filesize

    184KB

  • memory/2748-17-0x0000000010000000-0x000000001002E000-memory.dmp

    Filesize

    184KB

  • memory/2748-16-0x0000000010021000-0x0000000010022000-memory.dmp

    Filesize

    4KB

  • memory/2748-18-0x0000000010000000-0x000000001002E000-memory.dmp

    Filesize

    184KB

  • memory/2748-19-0x0000000010000000-0x000000001002E000-memory.dmp

    Filesize

    184KB

  • memory/2748-20-0x0000000010000000-0x000000001002E000-memory.dmp

    Filesize

    184KB

  • memory/2748-21-0x0000000010021000-0x0000000010022000-memory.dmp

    Filesize

    4KB

  • memory/3032-6-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB