Analysis

  • max time kernel
    145s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    23-04-2021 10:32

General

  • Target

    0900000000000000000900.exe

  • Size

    84KB

  • MD5

    030daaca1bd4fc284e4b4ab63d1b6419

  • SHA1

    088aa59dc4185f60d450087899a4964957e49319

  • SHA256

    033f4d8bd914597ee146ea8761a3f79fceb4f49af99f411e9ee94775ed298179

  • SHA512

    cccd2d4f70e54ba9de9d8b7b1cbf6ef59ce4820e6d2d231b7a073d8b2c4dafa49edbb9cb6baf926075ad9e9bf23289e71ed48a3db8a8dc7f2a5076a921626b6c

Score
10/10

Malware Config

Signatures

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

  • Loads dropped DLL 1 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 behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0900000000000000000900.exe
    "C:\Users\Admin\AppData\Local\Temp\0900000000000000000900.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1688
    • C:\Users\Admin\AppData\Local\Temp\0900000000000000000900.exe
      "C:\Users\Admin\AppData\Local\Temp\0900000000000000000900.exe"
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:1984

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\nsc1086.tmp\k9i7b26ps.dll

    MD5

    96c19f4be5eb899973ad0090567c769e

    SHA1

    f52e2194466763adb44b604b2d06c0222e870c81

    SHA256

    c08e2ff95e39780720c26ec0535a05f23557d3e3122ed8f593dee2950ebef702

    SHA512

    963a02342ecceac16cdc671a57e9894e0a872cb7f8066c5a2dc810524c5e5c3eaac267917f2381ac6e54b94284a141ced956deefb44174a50f20673ce230b2f0

  • memory/1688-60-0x0000000075011000-0x0000000075013000-memory.dmp

    Filesize

    8KB

  • memory/1688-64-0x00000000004C0000-0x00000000004C4000-memory.dmp

    Filesize

    16KB

  • memory/1984-62-0x00000000004172EC-mapping.dmp

  • memory/1984-65-0x0000000000400000-0x0000000000419000-memory.dmp

    Filesize

    100KB