Analysis

  • max time kernel
    62s
  • max time network
    110s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    07-07-2020 10:23

General

  • Target

    84a0f9d46ca77c5ae10713f844cfedbd.exe

  • Size

    20KB

  • MD5

    84a0f9d46ca77c5ae10713f844cfedbd

  • SHA1

    1e1cdc9cc03c026157bdc5dca1f9c0ee78de71aa

  • SHA256

    dbbc9e640af23658de56eba2f5ec2152de38fa35f11343f0d2216b8b5d7967a8

  • SHA512

    69cc6970ff185a0795257739a41864d69306468bc82cdddfec20b0239a00f562d8e0a012a7127c2bdae083da38e3700e0099b933436850e85137c5f7d1fe73ed

Malware Config

Signatures

  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Checks for installed software on the system 1 TTPs 29 IoCs
  • Kills process with taskkill 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • RedLine

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\84a0f9d46ca77c5ae10713f844cfedbd.exe
    "C:\Users\Admin\AppData\Local\Temp\84a0f9d46ca77c5ae10713f844cfedbd.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3692
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Checks for installed software on the system
      • Suspicious use of WriteProcessMemory
      • Suspicious behavior: EnumeratesProcesses
      • Modifies system certificate store
      PID:3816
      • C:\Windows\SysWOW64\cmd.exe
        "cmd.exe" /C taskkill /F /PID 3816 && choice /C Y /N /D Y /T 3 & Del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3436
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill /F /PID 3816
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          • Kills process with taskkill
          PID:2988
        • C:\Windows\SysWOW64\choice.exe
          choice /C Y /N /D Y /T 3
          4⤵
            PID:2640

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • memory/3816-0-0x0000000000400000-0x000000000042C000-memory.dmp

      Filesize

      176KB

    • memory/3816-2-0x0000000007FD0000-0x0000000007FE0000-memory.dmp

      Filesize

      64KB

    • memory/3816-4-0x0000000007FD0000-0x0000000007FE0000-memory.dmp

      Filesize

      64KB

    • memory/3816-6-0x0000000007FD0000-0x0000000007FE0000-memory.dmp

      Filesize

      64KB