Analysis

  • max time kernel
    149s
  • max time network
    42s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29-01-2023 19:27

General

  • Target

    f9113f6d2278ec7997fd0a713b5a49f68338cc75fba323af3c8c5ce2d06f9bfa.exe

  • Size

    603KB

  • MD5

    3e1d28eea4116b42f5e1ddb09d269fc4

  • SHA1

    a9a0e4a7bc99de387567cade9b27e66e98ebc6f9

  • SHA256

    f9113f6d2278ec7997fd0a713b5a49f68338cc75fba323af3c8c5ce2d06f9bfa

  • SHA512

    7397d83ee8b6126247e1c82e97f1b85f3b95ffb087b22247f310aff5ee49e0e2ba5b23dd410353b13c7a6acf1ed72f0ea5ac67eacfa7f8e24571a5f1c22fd552

  • SSDEEP

    12288:EXRS22ZRIax1vuWWyaTXjV6IMurq08xySQ6FaSqLvp1cDeD6lpRLFjXK9SDhB8pM:3GTXMiSmhq9srpWE6NvrVQrlBRJ3hOZL

Malware Config

Extracted

Family

netwire

C2

bambooo.dynu.net:8858

Attributes
  • activex_autorun

    false

  • copy_executable

    false

  • delete_original

    false

  • host_id

    HostId-%Rand%

  • keylogger_dir

    %AppData%\Logs\

  • lock_executable

    false

  • mutex

    GAgoxrms

  • offline_keylogger

    true

  • password

    nesamone

  • registry_autorun

    false

  • use_mutex

    true

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • NetWire RAT payload 9 IoCs
  • Netwire

    Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.

  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 49 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f9113f6d2278ec7997fd0a713b5a49f68338cc75fba323af3c8c5ce2d06f9bfa.exe
    "C:\Users\Admin\AppData\Local\Temp\f9113f6d2278ec7997fd0a713b5a49f68338cc75fba323af3c8c5ce2d06f9bfa.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1516
    • C:\Users\Admin\AppData\Local\Temp\f9113f6d2278ec7997fd0a713b5a49f68338cc75fba323af3c8c5ce2d06f9bfa.exe
      "C:\Users\Admin\AppData\Local\Temp\f9113f6d2278ec7997fd0a713b5a49f68338cc75fba323af3c8c5ce2d06f9bfa.exe"
      2⤵
        PID:1868

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Winlogon Helper DLL

    1
    T1004

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    2
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1516-54-0x0000000000A10000-0x0000000000AAC000-memory.dmp
      Filesize

      624KB

    • memory/1516-55-0x0000000000470000-0x00000000004D4000-memory.dmp
      Filesize

      400KB

    • memory/1516-56-0x0000000075BD1000-0x0000000075BD3000-memory.dmp
      Filesize

      8KB

    • memory/1516-57-0x00000000004D0000-0x0000000000500000-memory.dmp
      Filesize

      192KB

    • memory/1868-58-0x0000000000400000-0x0000000000434000-memory.dmp
      Filesize

      208KB

    • memory/1868-59-0x0000000000400000-0x0000000000434000-memory.dmp
      Filesize

      208KB

    • memory/1868-61-0x0000000000400000-0x0000000000434000-memory.dmp
      Filesize

      208KB

    • memory/1868-63-0x0000000000400000-0x0000000000434000-memory.dmp
      Filesize

      208KB

    • memory/1868-64-0x0000000000400000-0x0000000000434000-memory.dmp
      Filesize

      208KB

    • memory/1868-65-0x0000000000400000-0x0000000000434000-memory.dmp
      Filesize

      208KB

    • memory/1868-67-0x0000000000400000-0x0000000000434000-memory.dmp
      Filesize

      208KB

    • memory/1868-68-0x0000000000400000-0x0000000000434000-memory.dmp
      Filesize

      208KB

    • memory/1868-69-0x0000000000400000-0x0000000000434000-memory.dmp
      Filesize

      208KB

    • memory/1868-70-0x000000000040242D-mapping.dmp
    • memory/1868-73-0x0000000000400000-0x0000000000434000-memory.dmp
      Filesize

      208KB

    • memory/1868-74-0x0000000000400000-0x0000000000434000-memory.dmp
      Filesize

      208KB