Analysis

  • max time kernel
    150s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    20/06/2021, 08:10

General

  • Target
    204312b9e407d9589fbff53a705f895a.exe
  • Size 699KB
  • Sample210620-vkvm429e2j
  • SHA256 3e503d31e990d9452c5f5ee146e7f83f46df6b034563f8a6d10959de7b43ae78
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • RedLine

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

  • RedLine Payload 2 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\204312b9e407d9589fbff53a705f895a.exe
    "C:\Users\Admin\AppData\Local\Temp\204312b9e407d9589fbff53a705f895a.exe"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:1676
    • C:\Users\Admin\AppData\Roaming\nailedp\edspolishpp.exe
      edspolishpp.exe
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1516

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1516-67-0x0000000000220000-0x000000000024F000-memory.dmp

        memory/1516-66-0x0000000002330000-0x000000000234B000-memory.dmp

        memory/1516-68-0x0000000000400000-0x00000000008FD000-memory.dmp

        memory/1516-70-0x00000000027E2000-0x00000000027E3000-memory.dmp

        memory/1516-69-0x00000000027E1000-0x00000000027E2000-memory.dmp

        memory/1516-71-0x00000000027E3000-0x00000000027E4000-memory.dmp

        memory/1516-72-0x0000000002490000-0x00000000024A9000-memory.dmp

        memory/1516-73-0x00000000027E4000-0x00000000027E6000-memory.dmp

        memory/1676-59-0x0000000075971000-0x0000000075973000-memory.dmp

        memory/1676-60-0x0000000000260000-0x000000000032E000-memory.dmp

        memory/1676-61-0x0000000000400000-0x000000000094D000-memory.dmp