Analysis

  • max time kernel
    25s
  • max time network
    27s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    20/08/2021, 15:02

General

  • Target
    0bac14253d94be253c156c97155b6d1f.exe
  • Size 545KB
  • Sample210820-46pagar552
  • SHA256 f5cbd5b2ead7671d3b38fcdd59d46b1c5d66023630edf54c092f31ce988afa6a
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • redline

Botnet
  • mix21.08

C2
  • 45.14.49.246:18015

Signatures

  • RedLine

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

  • RedLine Payload 2 IoCs
  • suricata: ET MALWARE AutoHotkey Downloader Checkin via IPLogger

    suricata: ET MALWARE AutoHotkey Downloader Checkin via IPLogger

  • 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0bac14253d94be253c156c97155b6d1f.exe
    "C:\Users\Admin\AppData\Local\Temp\0bac14253d94be253c156c97155b6d1f.exe"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:1756
    • C:\Users\Admin\AppData\Roaming\hyperc\apinesp.exe
      apinesp.exe
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:432

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/432-68-0x0000000002D20000-0x0000000002D3C000-memory.dmp

        memory/432-67-0x0000000000230000-0x000000000025F000-memory.dmp

        memory/432-69-0x0000000002DA0000-0x0000000002DBA000-memory.dmp

        memory/432-71-0x00000000072B1000-0x00000000072B2000-memory.dmp

        memory/432-70-0x0000000000400000-0x0000000002CCD000-memory.dmp

        memory/432-72-0x00000000072B2000-0x00000000072B3000-memory.dmp

        memory/432-73-0x00000000072B3000-0x00000000072B4000-memory.dmp

        memory/432-74-0x00000000072B4000-0x00000000072B6000-memory.dmp

        memory/1756-60-0x0000000075FE1000-0x0000000075FE3000-memory.dmp

        memory/1756-61-0x00000000002A0000-0x000000000036E000-memory.dmp

        memory/1756-62-0x0000000000400000-0x0000000002D17000-memory.dmp