Analysis

  • max time kernel
    121s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    07/01/2022, 00:18

General

  • Target
    1053a56cd35c2f1f56454de2b68b2e07.exe
  • Size 858KB
  • Sample220107-alm1hsbfh6
  • SHA256 9c183568a371d5bfd048cb80caed15756b50d8cb7f5e3e8ec6bce045c35216ed
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • redline

C2
  • 49.12.47.66:27973

Signatures

  • RedLine

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

  • RedLine Payload 6 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1053a56cd35c2f1f56454de2b68b2e07.exe
    "C:\Users\Admin\AppData\Local\Temp\1053a56cd35c2f1f56454de2b68b2e07.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1340
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      #cmd
      2⤵
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:656

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/656-58-0x0000000000400000-0x0000000000422000-memory.dmp

        memory/656-59-0x0000000000400000-0x0000000000422000-memory.dmp

        memory/656-60-0x0000000000400000-0x0000000000422000-memory.dmp

        memory/656-61-0x0000000000400000-0x0000000000422000-memory.dmp

        memory/656-62-0x0000000000400000-0x0000000000422000-memory.dmp

        memory/656-66-0x0000000000400000-0x0000000000422000-memory.dmp

        memory/656-65-0x0000000000400000-0x0000000000422000-memory.dmp

        memory/656-67-0x0000000000830000-0x0000000000831000-memory.dmp

        memory/1340-55-0x0000000000110000-0x00000000001EC000-memory.dmp

        memory/1340-56-0x0000000075AE1000-0x0000000075AE3000-memory.dmp

        memory/1340-57-0x0000000001F90000-0x0000000001F91000-memory.dmp

        memory/1340-54-0x0000000000110000-0x00000000001EC000-memory.dmp