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Analysis

  • max time kernel
    138s
  • max time network
    150s
  • platform
    windows10-1703_x64
  • resource
    win10-20230703-en
  • resource tags

    arch:x64arch:x86image:win10-20230703-enlocale:en-usos:windows10-1703-x64system
  • submitted
    17/07/2023, 04:51

General

  • Target

    Setup.exe

  • Size

    2.4MB

  • MD5

    9937c26ad68eb58a208d6d342fb732a3

  • SHA1

    d1b3037ec67c614049ce9287529e1b3f1f685dd3

  • SHA256

    45392e18601c851f5dc2b7e725dec2c9cb0d97a1c67fe64c4ea8f19fe560437b

  • SHA512

    2534fda7731fa7d233b5bde4ee089fcb499145445344ce154d755f734a2cc3bb70ab8a225aba1494c05f0cf1ac84a4b26fb753e7ae9895269b013526d5c6ed15

  • SSDEEP

    49152:agGE8+l2lvMGXbPdH9IRz8UQyZ7GHDwUpl5x+X:atEl2l5XbBUPQyZ7GjDQ

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.

  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • GoLang User-Agent 1 IoCs

    Uses default user-agent string defined by GoLang HTTP packages.

  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4956
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:4936
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
          PID:4948

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4948-117-0x0000000000400000-0x00000000008F4000-memory.dmp

        Filesize

        5.0MB

      • memory/4948-120-0x0000000000400000-0x00000000008F4000-memory.dmp

        Filesize

        5.0MB

      • memory/4948-121-0x0000000000400000-0x00000000008F4000-memory.dmp

        Filesize

        5.0MB

      • memory/4948-122-0x0000000000400000-0x00000000008F4000-memory.dmp

        Filesize

        5.0MB

      • memory/4948-123-0x0000000000400000-0x00000000008F4000-memory.dmp

        Filesize

        5.0MB

      • memory/4948-124-0x0000000000400000-0x00000000008F4000-memory.dmp

        Filesize

        5.0MB

      • memory/4956-118-0x0000000001330000-0x000000000158D000-memory.dmp

        Filesize

        2.4MB

      • memory/4956-119-0x0000000001330000-0x000000000158D000-memory.dmp

        Filesize

        2.4MB