Analysis

  • max time kernel
    113s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220331-en
  • submitted
    06/04/2022, 06:22

General

  • Target
    16f4a3fc69b8b2b64db781127f898729b4ea712c835a3.exe
  • Size 4.4MB
  • Sample220406-g4wtpsbcd2
  • SHA256 16f4a3fc69b8b2b64db781127f898729b4ea712c835a3ffc8b25021106f8245c
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • redline

Botnet
  • filinnn1

C2
  • 5.45.77.29:41494

Attributes
  • auth_value

    da347df57c88b125ede510dbe7fcc0f4

Signatures

  • RedLine

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

  • RedLine Payload 1 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\16f4a3fc69b8b2b64db781127f898729b4ea712c835a3.exe
    "C:\Users\Admin\AppData\Local\Temp\16f4a3fc69b8b2b64db781127f898729b4ea712c835a3.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4120
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1060

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1060-137-0x00000000059B0000-0x00000000059EC000-memory.dmp

        memory/1060-141-0x0000000006600000-0x000000000661E000-memory.dmp

        memory/1060-129-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/1060-134-0x0000000005EE0000-0x00000000064F8000-memory.dmp

        memory/1060-135-0x0000000005950000-0x0000000005962000-memory.dmp

        memory/1060-136-0x0000000005A80000-0x0000000005B8A000-memory.dmp

        memory/1060-139-0x0000000005E10000-0x0000000005EA2000-memory.dmp

        memory/1060-145-0x0000000008570000-0x00000000085C0000-memory.dmp

        memory/1060-140-0x0000000006AB0000-0x0000000007054000-memory.dmp

        memory/1060-138-0x0000000005CE0000-0x0000000005D56000-memory.dmp

        memory/1060-142-0x0000000006910000-0x0000000006976000-memory.dmp

        memory/1060-143-0x0000000009420000-0x00000000095E2000-memory.dmp

        memory/1060-144-0x0000000009B20000-0x000000000A04C000-memory.dmp

        memory/4120-124-0x0000000000400000-0x0000000000D37000-memory.dmp