Analysis

  • max time kernel
    134s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/05/2024, 08:37

General

  • Target

    3a141f5df5cd021d394c98a670eb994eea34a9db28ae726b55d4bc3d585b7930.dll

  • Size

    2.1MB

  • MD5

    c74de0740e0317a3dd0900d1ef6f3f87

  • SHA1

    9654db437de3d8d40189fdfc1382bffa035d7267

  • SHA256

    3a141f5df5cd021d394c98a670eb994eea34a9db28ae726b55d4bc3d585b7930

  • SHA512

    7817b180126dce4984d4232e9183a8ad6bb2301511cfce97c13e877e8531758e0c1df633b55decccac380af1b49259578e2cfb9cfa2d4ec183c0f10695abb1a2

  • SSDEEP

    49152:fuZHFT52HxnouDEexBnxsi3raMQKYOG6YjCNfbyI+Wm1:fuJFTyxDDECBer4YLqjy11

Malware Config

Signatures

  • Blackmoon, KrBanker

    Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.

  • Detect Blackmoon payload 1 IoCs
  • Blocklisted process makes network request 1 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\3a141f5df5cd021d394c98a670eb994eea34a9db28ae726b55d4bc3d585b7930.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2972
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3a141f5df5cd021d394c98a670eb994eea34a9db28ae726b55d4bc3d585b7930.dll,#1
      2⤵
      • Blocklisted process makes network request
      • Writes to the Master Boot Record (MBR)
      • Suspicious use of AdjustPrivilegeToken
      PID:868

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/868-0-0x0000000010000000-0x000000001042B000-memory.dmp

          Filesize

          4.2MB

        • memory/868-1-0x0000000010000000-0x000000001042B000-memory.dmp

          Filesize

          4.2MB