Analysis

  • max time kernel
    92s
  • max time network
    108s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    01-07-2022 04:16

General

  • Target

    620e3ddb7798b06de3a93b5df78a5838345f7a4e7ca0b9c9d21623d2010026b4.exe

  • Size

    764KB

  • MD5

    c8ad3f500f51ba6f32971496d3fd605e

  • SHA1

    0677951661b11e2fc5f35e9f5e1ed8d964b8ab79

  • SHA256

    620e3ddb7798b06de3a93b5df78a5838345f7a4e7ca0b9c9d21623d2010026b4

  • SHA512

    c9a6bb7ca9162d7bdb61ffe332fc09388eb1f24d4bd203363aa35b308e0416d4328a228ef9a578ad2176385dc37668df0ed039104917dd0e7f9a9329626fe350

Malware Config

Signatures

  • NetWire RAT payload 4 IoCs
  • Netwire

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

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\620e3ddb7798b06de3a93b5df78a5838345f7a4e7ca0b9c9d21623d2010026b4.exe
    "C:\Users\Admin\AppData\Local\Temp\620e3ddb7798b06de3a93b5df78a5838345f7a4e7ca0b9c9d21623d2010026b4.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1348
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\PVDFGH~1.EXE
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\PVDFGH~1.EXE
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1720
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\ bxgfbxcx\xcvxcvzzx.vbs"
        3⤵
        • Adds Run key to start application
        PID:1632
      • C:\Users\Admin\ bxgfbxcx\xcvxcvzzx.exe
        "C:\Users\Admin\ bxgfbxcx\xcvxcvzzx.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1588
        • C:\Users\Admin\ bxgfbxcx\xcvxcvzzx.exe
          "C:\Users\Admin\ bxgfbxcx\xcvxcvzzx.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          PID:772

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\ bxgfbxcx\xcvxcvzzx.exe

    Filesize

    174.4MB

    MD5

    c975427284fb4ef9797fe26d0edd6b13

    SHA1

    c69e20a7bb5f713e077a5db39abac5d524ca54c1

    SHA256

    3e6f90e273f3ac57be64a25026af51b6feaafbb6c6b116536dc309231ea391f9

    SHA512

    e3c2f3f102ef113667abc8997fe49b594a35f965d632fe19806e8234e0afe9d88efbfadfe47a81c6c744008dc28f48a2ece4589942fc33d967be0142eccef627

  • C:\Users\Admin\ bxgfbxcx\xcvxcvzzx.exe

    Filesize

    173.5MB

    MD5

    3cbf6c7a91b94a5cf248cfe2d685dbc3

    SHA1

    3e2ad0e1d8d51ba420c7afa05db59e755707f88e

    SHA256

    2e9c94904c34a618eb9e86f9541c9f5481cc7447ca28e5aacb2cb7608af51446

    SHA512

    41556eef1a158244f065970ff06622fdc902fd6aa044d62f7949b0bea51b9fd123b1e31d06beb8a30af3c95e49c9b50e3d9ad70e6a82519d320a5dae40f563c1

  • C:\Users\Admin\ bxgfbxcx\xcvxcvzzx.exe

    Filesize

    172.8MB

    MD5

    a7b75d953c924c27e057fbc83bd3a8d3

    SHA1

    2c236b4145f948f60a1e2a8d2c09e2d0ca82362c

    SHA256

    fe2acb80ed0e14a422a580fa847dccc696c9c50406dde1d2c9222498ab449c71

    SHA512

    dc4bacc5642a4cd94bff22af7db0f91165fce72cc62672e324c6cc9b1de6f66ffd6fc2635627130c537e1f921c7263e84c7557109040da247ce5fac581ed0173

  • C:\Users\Admin\ bxgfbxcx\xcvxcvzzx.vbs

    Filesize

    1020B

    MD5

    7e55ee0e84b1433f9a2ce0ad5c46f39f

    SHA1

    e8e41756ac7013c8b056739a0cdc8935a3f86495

    SHA256

    bb69ddb2d1f7de172d4081b14326b13b801017e8e1b8f273e2425db7ba8f316c

    SHA512

    13d33c377085ac7638ed7061c65a949bdb35b6856258a26ee0653456938e0f1b79f6a34de3b0dc3706cb2fe30e6a12de8edb8c6c81186c4a7f625ea22a26b2d0

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\PVDFGH~1.EXE

    Filesize

    203.2MB

    MD5

    e6ff594bdab0f4a284f0144732c37c02

    SHA1

    c42edabe72090b00a76b8a88123fcf32b2946586

    SHA256

    1ca0c8d88526c031af6b5240a0957b46f72d58d0bdd2d73dd525feefc6616703

    SHA512

    ffa3f4b00b58f0dbb7f91a9296f8ae5b7e4e23548417065c514241388c5524670be1e372da81fb04579fce52a97ab4c758278905142d59d5ab584db83ae84d04

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\PVDFGH~1.EXE

    Filesize

    176.6MB

    MD5

    c9455b322272bfd114ead9097deaff8d

    SHA1

    97a6e79585b7c49d22acd2d91da88c228077f4df

    SHA256

    d87c231f0c9b52ece27a1054a44883735636a83182e33ff387e10ed20941d004

    SHA512

    4941635a195cd73a5f4422e085c0b71fde7298e435e03e0993c4c4aaef5d04241380181c71ebc930a8ecbea25ec348ec07498f749d803743d17257cdbc47d9e9

  • \Users\Admin\ bxgfbxcx\xcvxcvzzx.exe

    Filesize

    176.2MB

    MD5

    2d0453105a4e84d335ceb9938e549f29

    SHA1

    d7b3e22b982767de25f068da1cb77490bef5908b

    SHA256

    43148b17b19a817aa70c1459354bc76e61aa3eb68bc401b68fc1dd1a7a9b17a3

    SHA512

    bbf8fb1cc099a789310ef88a28f249a2023e8da53f2468f96408ee4eb2e2fbac81f121cc0038380207d2c7e251fe5c0378fd2733007daebc7b595e2ddb89f31b

  • \Users\Admin\ bxgfbxcx\xcvxcvzzx.exe

    Filesize

    176.4MB

    MD5

    fe44c1105547cf820cbeb510e48257f2

    SHA1

    61b96bf119acf1ff008a66b459fd75879c27af29

    SHA256

    ceb5edfc650d104472753cf4339f2f2b6f79ca5748c7e57c4a400287c732019c

    SHA512

    7e58a9b46c38ba4241aa50198bcd704543c67d7f4de2d5a3365d13641a94c9714ec5a88ad7b53f29c0d6a2409d57f7213ad51a565e33347637246a1bb7283a51

  • memory/772-91-0x0000000000400000-0x0000000000425000-memory.dmp

    Filesize

    148KB

  • memory/772-88-0x0000000000220000-0x000000000022D000-memory.dmp

    Filesize

    52KB

  • memory/772-89-0x0000000077910000-0x0000000077A90000-memory.dmp

    Filesize

    1.5MB

  • memory/772-86-0x0000000077730000-0x00000000778D9000-memory.dmp

    Filesize

    1.7MB

  • memory/772-90-0x0000000000400000-0x0000000000489000-memory.dmp

    Filesize

    548KB

  • memory/772-87-0x0000000077910000-0x0000000077A90000-memory.dmp

    Filesize

    1.5MB

  • memory/772-80-0x00000000004765B7-mapping.dmp

  • memory/772-97-0x0000000000400000-0x0000000000489000-memory.dmp

    Filesize

    548KB

  • memory/772-98-0x0000000000400000-0x0000000000489000-memory.dmp

    Filesize

    548KB

  • memory/1348-54-0x000007FEFBFB1000-0x000007FEFBFB3000-memory.dmp

    Filesize

    8KB

  • memory/1588-83-0x0000000077910000-0x0000000077A90000-memory.dmp

    Filesize

    1.5MB

  • memory/1588-82-0x00000000003F0000-0x00000000003FD000-memory.dmp

    Filesize

    52KB

  • memory/1588-78-0x0000000077730000-0x00000000778D9000-memory.dmp

    Filesize

    1.7MB

  • memory/1588-69-0x0000000000000000-mapping.dmp

  • memory/1632-65-0x0000000000000000-mapping.dmp

  • memory/1720-74-0x0000000077910000-0x0000000077A90000-memory.dmp

    Filesize

    1.5MB

  • memory/1720-71-0x0000000000330000-0x000000000033D000-memory.dmp

    Filesize

    52KB

  • memory/1720-64-0x0000000077910000-0x0000000077A90000-memory.dmp

    Filesize

    1.5MB

  • memory/1720-63-0x0000000077730000-0x00000000778D9000-memory.dmp

    Filesize

    1.7MB

  • memory/1720-60-0x0000000076531000-0x0000000076533000-memory.dmp

    Filesize

    8KB

  • memory/1720-59-0x0000000000330000-0x000000000033D000-memory.dmp

    Filesize

    52KB

  • memory/1720-55-0x0000000000000000-mapping.dmp