Analysis

  • max time kernel
    55s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    01-02-2021 23:14

General

  • Target

    Setup.exe

  • Size

    1.4MB

  • MD5

    5ecdc36b39369e672f034c5cd503a494

  • SHA1

    b05378f6624481c7f6fee55fd0cf91c52ce25425

  • SHA256

    db369dd75a2232803191d273b532cfaf161b154deea4b77b4045ee8bd4c9d890

  • SHA512

    1029be4fb68792c469e85d2111f3be0cd8d5ba4e245a9fc325e9378263ae7176808ea6b407360c31e5926514f7e8385a4112771e1f2aa126f4af107fce9b97fc

Malware Config

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine Payload 2 IoCs
  • 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.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 12 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3888
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout 1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2800
      • C:\Windows\SysWOW64\timeout.exe
        timeout 1
        3⤵
        • Delays execution with timeout.exe
        PID:3952
    • C:\Users\Admin\AppData\Local\Temp\Setup.exe
      "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
      2⤵
        PID:3164
      • C:\Users\Admin\AppData\Local\Temp\Setup.exe
        "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2888
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3888 -s 1564
        2⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1320

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1320-18-0x0000000004730000-0x0000000004731000-memory.dmp

      Filesize

      4KB

    • memory/1320-17-0x0000000004730000-0x0000000004731000-memory.dmp

      Filesize

      4KB

    • memory/2800-8-0x0000000000000000-mapping.dmp

    • memory/2888-24-0x0000000005470000-0x0000000005471000-memory.dmp

      Filesize

      4KB

    • memory/2888-20-0x0000000005280000-0x0000000005281000-memory.dmp

      Filesize

      4KB

    • memory/2888-32-0x0000000008800000-0x0000000008801000-memory.dmp

      Filesize

      4KB

    • memory/2888-31-0x0000000006C90000-0x0000000006C91000-memory.dmp

      Filesize

      4KB

    • memory/2888-29-0x0000000006B80000-0x0000000006B81000-memory.dmp

      Filesize

      4KB

    • memory/2888-11-0x0000000000400000-0x0000000000428000-memory.dmp

      Filesize

      160KB

    • memory/2888-12-0x0000000000421A4E-mapping.dmp

    • memory/2888-13-0x00000000731D0000-0x00000000738BE000-memory.dmp

      Filesize

      6.9MB

    • memory/2888-16-0x0000000005300000-0x0000000005301000-memory.dmp

      Filesize

      4KB

    • memory/2888-28-0x00000000070B0000-0x00000000070B1000-memory.dmp

      Filesize

      4KB

    • memory/2888-27-0x00000000069B0000-0x00000000069B1000-memory.dmp

      Filesize

      4KB

    • memory/2888-26-0x0000000005720000-0x0000000005721000-memory.dmp

      Filesize

      4KB

    • memory/2888-21-0x00000000054F0000-0x00000000054F1000-memory.dmp

      Filesize

      4KB

    • memory/2888-22-0x0000000005B10000-0x0000000005B11000-memory.dmp

      Filesize

      4KB

    • memory/2888-23-0x0000000005410000-0x0000000005411000-memory.dmp

      Filesize

      4KB

    • memory/2888-25-0x0000000005500000-0x0000000005501000-memory.dmp

      Filesize

      4KB

    • memory/3888-2-0x00000000731D0000-0x00000000738BE000-memory.dmp

      Filesize

      6.9MB

    • memory/3888-7-0x0000000004CF0000-0x0000000004CF1000-memory.dmp

      Filesize

      4KB

    • memory/3888-3-0x0000000000390000-0x0000000000391000-memory.dmp

      Filesize

      4KB

    • memory/3888-5-0x0000000004D30000-0x0000000004D31000-memory.dmp

      Filesize

      4KB

    • memory/3888-10-0x0000000005EF0000-0x0000000005EF1000-memory.dmp

      Filesize

      4KB

    • memory/3888-6-0x0000000004ED0000-0x0000000004F01000-memory.dmp

      Filesize

      196KB

    • memory/3952-9-0x0000000000000000-mapping.dmp