Analysis

  • max time kernel
    13s
  • max time network
    14s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    04/09/2024, 03:53

General

  • Target
    66d48faf6737f_crypted.exe
  • Size 312KB
  • Sample240904-efwspavbkl
  • SHA256 ef7e913e51b970193a61248fccf25fa32f9efbdc82953ca0850d9607e87cdd68
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • redline

Botnet
  • LogsDiller Cloud (TG: @logsdillabot)

C2
  • 147.45.47.36:30035

Signatures

  • RedLine

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

  • RedLine payload 1 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\66d48faf6737f_crypted.exe
    "C:\Users\Admin\AppData\Local\Temp\66d48faf6737f_crypted.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5320
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5824

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        TmpBE10.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\TmpBE10.tmp
        • Size 2KB
        • SHA256 f3327793e3fd1f3f9a93f58d033ed89ce832443e2695beca9f2b04adba049ed9
        • MD5 SHA1 SHA512

        memory/5320-0-0x00000000751AE000-0x00000000751AF000-memory.dmp

        memory/5320-1-0x00000000004F0000-0x0000000000544000-memory.dmp

        memory/5320-37-0x00000000751A0000-0x0000000075951000-memory.dmp

        memory/5320-5-0x00000000751A0000-0x0000000075951000-memory.dmp

        memory/5824-8-0x0000000005320000-0x00000000053B2000-memory.dmp

        memory/5824-31-0x00000000067C0000-0x00000000067D2000-memory.dmp

        memory/5824-9-0x00000000054B0000-0x00000000054BA000-memory.dmp

        memory/5824-10-0x00000000751A0000-0x0000000075951000-memory.dmp

        memory/5824-6-0x00000000057F0000-0x0000000005D96000-memory.dmp

        memory/5824-25-0x0000000005F20000-0x0000000005F96000-memory.dmp

        memory/5824-26-0x00000000066F0000-0x000000000670E000-memory.dmp

        memory/5824-29-0x0000000006D30000-0x0000000007348000-memory.dmp

        memory/5824-30-0x0000000006880000-0x000000000698A000-memory.dmp

        memory/5824-7-0x00000000751A0000-0x0000000075951000-memory.dmp

        memory/5824-32-0x0000000006820000-0x000000000685C000-memory.dmp

        memory/5824-33-0x0000000006990000-0x00000000069DC000-memory.dmp

        memory/5824-34-0x0000000006AD0000-0x0000000006B36000-memory.dmp

        memory/5824-3-0x0000000000400000-0x0000000000452000-memory.dmp

        memory/5824-38-0x00000000751A0000-0x0000000075951000-memory.dmp

        memory/5824-39-0x0000000007610000-0x0000000007660000-memory.dmp

        memory/5824-40-0x0000000007830000-0x00000000079F2000-memory.dmp

        memory/5824-41-0x00000000088B0000-0x0000000008DDC000-memory.dmp

        memory/5824-42-0x00000000751A0000-0x0000000075951000-memory.dmp

        memory/5824-44-0x00000000751A0000-0x0000000075951000-memory.dmp