Analysis

  • max time kernel
    88s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    20-07-2021 09:32

General

  • Target

    Bank details.exe

  • Size

    702KB

  • MD5

    4e0ee2b83297b3b44acdce3e9a3a4d24

  • SHA1

    616c863f53f9a9bc3507b14cb759c289fcf6eb5f

  • SHA256

    ef4fb21fec01aa193370b1ac7551aa759765b4e289f781b67d762e61335c7e41

  • SHA512

    d91bc09fa872fb6d6d337db39f980c6cee0d01186f73349c36f4bbee59c65bc1e919dfc3b505bc2458a0af84c068f488c93b74a209a593976f32fc92dabe1809

Malware Config

Extracted

Family

netwire

C2

warin.hopto.org:4320

Attributes
  • activex_autorun

    false

  • activex_key

  • copy_executable

    false

  • delete_original

    false

  • host_id

    HostId-%Rand%

  • install_path

  • keylogger_dir

    %AppData%\Logs\

  • lock_executable

    false

  • mutex

  • offline_keylogger

    true

  • password

    Password

  • registry_autorun

    false

  • startup_name

  • use_mutex

    false

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • NetWire RAT payload 1 IoCs
  • Netwire

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Program crash 1 IoCs
  • Modifies registry key 1 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bank details.exe
    "C:\Users\Admin\AppData\Local\Temp\Bank details.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3156
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3156 -s 1268
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1872
    • C:\Program Files (x86)\internet explorer\ieinstal.exe
      "C:\Program Files (x86)\internet explorer\ieinstal.exe"
      2⤵
        PID:3684
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Trast.bat" "
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3748
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /K C:\Users\Public\UKO.bat
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4020
          • C:\Windows\SysWOW64\reg.exe
            reg delete hkcu\Environment /v windir /f
            4⤵
            • Modifies registry key
            PID:3148
          • C:\Windows\SysWOW64\reg.exe
            reg add hkcu\Environment /v windir /d "cmd /c start /min C:\Users\Public\KDECO.bat reg delete hkcu\Environment /v windir /f && REM "
            4⤵
            • Modifies registry key
            PID:1088
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /Run /TN \Microsoft\Windows\DiskCleanup\SilentCleanup /I
            4⤵
              PID:1504
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Public\nest.bat" "
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1800
          • C:\Windows\SysWOW64\reg.exe
            reg delete hkcu\Environment /v windir /f
            3⤵
            • Modifies registry key
            PID:3032

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Persistence

      Registry Run Keys / Startup Folder

      1
      T1060

      Defense Evasion

      Modify Registry

      2
      T1112

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Public\Trast.bat
        MD5

        4068c9f69fcd8a171c67f81d4a952a54

        SHA1

        4d2536a8c28cdcc17465e20d6693fb9e8e713b36

        SHA256

        24222300c78180b50ed1f8361ba63cb27316ec994c1c9079708a51b4a1a9d810

        SHA512

        a64f9319acc51fffd0491c74dcd9c9084c2783b82f95727e4bfe387a8528c6dcf68f11418e88f1e133d115daf907549c86dd7ad866b2a7938add5225fbb2811d

      • C:\Users\Public\UKO.bat
        MD5

        eaf8d967454c3bbddbf2e05a421411f8

        SHA1

        6170880409b24de75c2dc3d56a506fbff7f6622c

        SHA256

        f35f2658455a2e40f151549a7d6465a836c33fa9109e67623916f889849eac56

        SHA512

        fe5be5c673e99f70c93019d01abb0a29dd2ecf25b2d895190ff551f020c28e7d8f99f65007f440f0f76c5bcac343b2a179a94d190c938ea3b9e1197890a412e9

      • C:\Users\Public\nest.bat
        MD5

        8ada51400b7915de2124baaf75e3414c

        SHA1

        1a7b9db12184ab7fd7fce1c383f9670a00adb081

        SHA256

        45aa3957c29865260a78f03eef18ae9aebdbf7bea751ecc88be4a799f2bb46c7

        SHA512

        9afc138157a4565294ca49942579cdb6f5d8084e56f9354738de62b585f4c0fa3e7f2cbc9541827f2084e3ff36c46eed29b46f5dd2444062ffcd05c599992e68

      • memory/1088-121-0x0000000000000000-mapping.dmp
      • memory/1504-122-0x0000000000000000-mapping.dmp
      • memory/1800-128-0x0000000000000000-mapping.dmp
      • memory/3032-130-0x0000000000000000-mapping.dmp
      • memory/3148-120-0x0000000000000000-mapping.dmp
      • memory/3156-114-0x0000000000640000-0x0000000000663000-memory.dmp
        Filesize

        140KB

      • memory/3684-125-0x0000000002A10000-0x0000000002A11000-memory.dmp
        Filesize

        4KB

      • memory/3684-123-0x0000000002AB0000-0x0000000002AB1000-memory.dmp
        Filesize

        4KB

      • memory/3684-126-0x0000000010550000-0x0000000010585000-memory.dmp
        Filesize

        212KB

      • memory/3684-124-0x00000000027F0000-0x00000000027F1000-memory.dmp
        Filesize

        4KB

      • memory/3684-127-0x0000000000400000-0x0000000000433000-memory.dmp
        Filesize

        204KB

      • memory/3684-115-0x0000000000000000-mapping.dmp
      • memory/3748-116-0x0000000000000000-mapping.dmp
      • memory/4020-118-0x0000000000000000-mapping.dmp