Analysis

  • max time kernel
    103s
  • max time network
    110s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    09-11-2020 20:54

General

  • Target

    anticheats.exe

  • Size

    417KB

  • MD5

    fb2d06f3a2c9d4b9ec1064af3bf9f357

  • SHA1

    aef3c1737f45eb8c1438b759d12d4eae9ce514ba

  • SHA256

    95ab142281af83bca92a9919b0691e3966218a96273452c15b701485af44ad0b

  • SHA512

    a7a083bbc238a061346f0fc884ab3eda39a23de4301e07112a758882d11b6a98d7c536649d3a6e01161c0ceadf4efb806f713be95a6185b5c10d0dfb06e5a063

Malware Config

Signatures

  • Echelon

    Echelon is a .NET stealer that targets passwords from browsers, email and cryptocurrency clients.

  • Echelon log file 1 IoCs

    Detects a log file produced by Echelon.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\anticheats.exe
    "C:\Users\Admin\AppData\Local\Temp\anticheats.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:728
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpA4B2.tmp.cmd""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3524
      • C:\Windows\system32\timeout.exe
        timeout 1
        3⤵
        • Delays execution with timeout.exe
        PID:2588

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpA4B2.tmp.cmd

    MD5

    fd29162478d33edcdff3b14547f3e40b

    SHA1

    106f17bac053a8a6b9835660b6de9f300cda9098

    SHA256

    b7d82488482a4ebf8af528fb8f107bbe85f770d89042c2dfebf65063ce6d0680

    SHA512

    358bcbe53afa1b8f1f9fa2150c3fd03c79ac95205701698b7a912911a547383edef072ab08b1d2a8308545cafc89b5c6db8e05d84dae756f22cea8e835425224

  • memory/728-0-0x00007FFD72180000-0x00007FFD72B6C000-memory.dmp

    Filesize

    9.9MB

  • memory/728-1-0x0000000000770000-0x0000000000771000-memory.dmp

    Filesize

    4KB

  • memory/728-3-0x000000001B200000-0x000000001B296000-memory.dmp

    Filesize

    600KB

  • memory/728-4-0x000000001C2A0000-0x000000001C310000-memory.dmp

    Filesize

    448KB

  • memory/2588-7-0x0000000000000000-mapping.dmp

  • memory/3524-5-0x0000000000000000-mapping.dmp