Analysis

  • max time kernel
    133s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    21/09/2021, 15:01

General

  • Target
    2e83f3341b7e7468f8a6bed8ab8a3f71.exe
  • Size 598KB
  • Sample210921-sdwlsscecn
  • SHA256 811b982a5a257a2a9acd46bbf0f68a166470726017e60bb752410ece2cf01ef5
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • redline

Botnet
  • 21.09

C2
  • 185.215.113.17:48236

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

  • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • 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\2e83f3341b7e7468f8a6bed8ab8a3f71.exe
    "C:\Users\Admin\AppData\Local\Temp\2e83f3341b7e7468f8a6bed8ab8a3f71.exe"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:1652
    • C:\Users\Admin\AppData\Roaming\sliders\lipstersh.exe
      lipstersh.exe
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1092

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1092-68-0x0000000000400000-0x0000000000467000-memory.dmp

        memory/1092-67-0x0000000000220000-0x0000000000250000-memory.dmp

        memory/1092-69-0x00000000003E0000-0x00000000003FF000-memory.dmp

        memory/1092-70-0x0000000004981000-0x0000000004982000-memory.dmp

        memory/1092-71-0x0000000000870000-0x000000000088E000-memory.dmp

        memory/1092-72-0x0000000004982000-0x0000000004983000-memory.dmp

        memory/1092-73-0x0000000004983000-0x0000000004984000-memory.dmp

        memory/1092-74-0x0000000004984000-0x0000000004986000-memory.dmp

        memory/1652-60-0x0000000076641000-0x0000000076643000-memory.dmp

        memory/1652-61-0x0000000000520000-0x00000000005EF000-memory.dmp

        memory/1652-62-0x0000000000400000-0x000000000051C000-memory.dmp