Analysis

  • max time kernel
    21s
  • max time network
    42s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    06-01-2021 17:56

General

  • Target

    Build.exe

  • Size

    533KB

  • MD5

    be064c1864b02feab6d41ed1a0ecf2a0

  • SHA1

    be285923433bbd32e8c896bb71910180a15cf61f

  • SHA256

    d2b4d092f178023c22ec781d1ead02de46a5b5b159cc1930220e44d9f1168225

  • SHA512

    4aad663524f7f012c438940040b2a3c0a9e552b5a64306827cb3deb642cacae54ca62a70fa9b2261681f14dfd67feb07eb80e6196b320d8b400f45aa303cb40c

Score
7/10

Malware Config

Signatures

  • 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 2 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 14 IoCs
  • Suspicious behavior: EnumeratesProcesses 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Build.exe
    "C:\Users\Admin\AppData\Local\Temp\Build.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:972

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/972-2-0x00007FFA6B300000-0x00007FFA6BCEC000-memory.dmp

    Filesize

    9.9MB

  • memory/972-3-0x00000000007C0000-0x00000000007C1000-memory.dmp

    Filesize

    4KB

  • memory/972-5-0x000000001B4E0000-0x000000001B5EA000-memory.dmp

    Filesize

    1.0MB