Analysis

  • max time kernel
    35s
  • max time network
    76s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    06/07/2021, 06:33

General

  • Target
    5af2d4f23b526022e3446bf28928983a.exe
  • Size 547KB
  • Sample210706-e2grwzk4lx
  • SHA256 a5a1d72b8d7045cf92e3fc39b72cf251a015464f1f7920aa028b341d3f646ee8
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • redline

Botnet
  • 777

C2
  • 193.188.21.24:21977

Signatures

  • RedLine

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

  • RedLine Payload 3 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5af2d4f23b526022e3446bf28928983a.exe
    "C:\Users\Admin\AppData\Local\Temp\5af2d4f23b526022e3446bf28928983a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1160
    • C:\Users\Admin\AppData\Local\Temp\5af2d4f23b526022e3446bf28928983a.exe
      C:\Users\Admin\AppData\Local\Temp\5af2d4f23b526022e3446bf28928983a.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1520

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1160-59-0x0000000000F10000-0x0000000000F11000-memory.dmp

        memory/1160-61-0x0000000000510000-0x0000000000543000-memory.dmp

        memory/1160-62-0x0000000004A40000-0x0000000004A41000-memory.dmp

        memory/1520-63-0x0000000000400000-0x000000000041E000-memory.dmp

        memory/1520-65-0x0000000000400000-0x000000000041E000-memory.dmp

        memory/1520-67-0x00000000046D0000-0x00000000046D1000-memory.dmp