Analysis

  • max time kernel
    22s
  • max time network
    22s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    03-11-2020 13:34

General

  • Target

    8684d32ce7d422c21d16332402ab0ea5.exe

  • Size

    325KB

  • MD5

    8684d32ce7d422c21d16332402ab0ea5

  • SHA1

    4515d7b81b406bcd90f8cc45cd445f5e241048f2

  • SHA256

    31239f4455170cbb223b36936011b6573c3a5a86ee32b55f0bba48d95f3c7f6d

  • SHA512

    af6d32a5bf30f912baed7beb834b5e7c36b40358032c9701af2bd58214caad0dc953d45cad2f8b6ee3e9b88f5037ac88ed6daffc14b8e221100815d811281b37

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.

  • Looks up external IP address via web service 1 IoCs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8684d32ce7d422c21d16332402ab0ea5.exe
    "C:\Users\Admin\AppData\Local\Temp\8684d32ce7d422c21d16332402ab0ea5.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1732
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C ping 127.0.0.1 -n 3 > nul & del ""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:944
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 3
        3⤵
        • Runs ping.exe
        PID:844

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/844-7-0x0000000000000000-mapping.dmp

  • memory/944-6-0x0000000000000000-mapping.dmp

  • memory/1732-0-0x00000000023CA000-0x00000000023DB000-memory.dmp

    Filesize

    68KB

  • memory/1732-1-0x0000000002660000-0x0000000002671000-memory.dmp

    Filesize

    68KB

  • memory/1732-2-0x0000000003E10000-0x0000000003E21000-memory.dmp

    Filesize

    68KB

  • memory/1732-3-0x00000000748A0000-0x0000000074F8E000-memory.dmp

    Filesize

    6.9MB

  • memory/1732-4-0x0000000004080000-0x00000000040A3000-memory.dmp

    Filesize

    140KB

  • memory/1732-5-0x00000000040B0000-0x00000000040D2000-memory.dmp

    Filesize

    136KB