Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-en-20211104
  • submitted
    17-11-2021 15:36

General

  • Target

    186ee2b0fbae609d44351da0241dd0ec.exe

  • Size

    900KB

  • MD5

    186ee2b0fbae609d44351da0241dd0ec

  • SHA1

    24a9e98e48c1b5a62cc01456fd7eb2d2782d4f90

  • SHA256

    6315729f81fe55e4121e212fe2fb769e9cfbfba2178df45be066d5921817e371

  • SHA512

    e52df0cb502fa5269c994cee6b231ab48935f68be1beed9db1b4c3a96425a7868f4d6dac6b1353d88a025992200063cc7c86ad6289939075e1b570e2cbd97b52

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.

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

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

  • Suspicious use of SetThreadContext 1 IoCs
  • 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\186ee2b0fbae609d44351da0241dd0ec.exe
    "C:\Users\Admin\AppData\Local\Temp\186ee2b0fbae609d44351da0241dd0ec.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:972
    • C:\Users\Admin\AppData\Local\Temp\186ee2b0fbae609d44351da0241dd0ec.exe
      "C:\Users\Admin\AppData\Local\Temp\186ee2b0fbae609d44351da0241dd0ec.exe"
      2⤵
      • Modifies system executable filetype association
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Modifies registry class
      PID:1892

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • memory/972-55-0x0000000000C70000-0x0000000000C71000-memory.dmp
    Filesize

    4KB

  • memory/972-57-0x0000000076A21000-0x0000000076A23000-memory.dmp
    Filesize

    8KB

  • memory/972-58-0x0000000005250000-0x0000000005251000-memory.dmp
    Filesize

    4KB

  • memory/972-59-0x0000000000380000-0x0000000000387000-memory.dmp
    Filesize

    28KB

  • memory/972-60-0x0000000004A30000-0x0000000004A92000-memory.dmp
    Filesize

    392KB

  • memory/972-61-0x0000000000560000-0x00000000005A0000-memory.dmp
    Filesize

    256KB

  • memory/1892-64-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/1892-63-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/1892-65-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/1892-66-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/1892-67-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/1892-68-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/1892-70-0x0000000000408178-mapping.dmp
  • memory/1892-69-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/1892-72-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/1892-62-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB