Analysis

  • max time kernel
    140s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    06-02-2022 07:27

General

  • Target

    fbe78a7e77ab86fb92c03d04108a7c94914d73bc019a7a4639acdcf6180bdad8.exe

  • Size

    832KB

  • MD5

    d3b8e0b1721a5760d4abd6ec90ee245b

  • SHA1

    93c129ee45f0622a4acbc1cee93113b6dfc0d4c1

  • SHA256

    fbe78a7e77ab86fb92c03d04108a7c94914d73bc019a7a4639acdcf6180bdad8

  • SHA512

    bb9909737ebccb2088fd6119dad4f91bc5c5ff5e48d4a4b0ef180ed7e86f3d6d2325b7598a27c490ea17600b7702876cc9f72485cea81b633be31d6f2a5e665b

Malware Config

Signatures

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fbe78a7e77ab86fb92c03d04108a7c94914d73bc019a7a4639acdcf6180bdad8.exe
    "C:\Users\Admin\AppData\Local\Temp\fbe78a7e77ab86fb92c03d04108a7c94914d73bc019a7a4639acdcf6180bdad8.exe"
    1⤵
    • Modifies system executable filetype association
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1216
    • C:\Users\Admin\AppData\Local\Temp\3582-490\fbe78a7e77ab86fb92c03d04108a7c94914d73bc019a7a4639acdcf6180bdad8.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\fbe78a7e77ab86fb92c03d04108a7c94914d73bc019a7a4639acdcf6180bdad8.exe"
      2⤵
      • Executes dropped EXE
      PID:1396

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\fbe78a7e77ab86fb92c03d04108a7c94914d73bc019a7a4639acdcf6180bdad8.exe
    MD5

    eb1a4c86b11c1964fd498c940d84c624

    SHA1

    01589349de4975b186583204afd1006d4f2c8fdf

    SHA256

    401e3ea46ff5d9b74bda9a327317bacf972c189d86001a36151427c35f5ccc12

    SHA512

    84d0d536d2ff9dea94ce544accf9666f54296814adf62f32272ad573457ebca944840554fad5a3d0a1fbb9d60bfe22b8cb34978e94b2769ae44ef3e8c7419312

  • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • \Users\Admin\AppData\Local\Temp\3582-490\fbe78a7e77ab86fb92c03d04108a7c94914d73bc019a7a4639acdcf6180bdad8.exe
    MD5

    eb1a4c86b11c1964fd498c940d84c624

    SHA1

    01589349de4975b186583204afd1006d4f2c8fdf

    SHA256

    401e3ea46ff5d9b74bda9a327317bacf972c189d86001a36151427c35f5ccc12

    SHA512

    84d0d536d2ff9dea94ce544accf9666f54296814adf62f32272ad573457ebca944840554fad5a3d0a1fbb9d60bfe22b8cb34978e94b2769ae44ef3e8c7419312

  • memory/1216-53-0x00000000766D1000-0x00000000766D3000-memory.dmp
    Filesize

    8KB