Analysis

  • max time kernel
    233s
  • max time network
    237s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 22:22

General

  • Target

    3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe

  • Size

    31KB

  • MD5

    7fa672943d27b23830fad41370e368ab

  • SHA1

    ca2bf6b609130944e26c864d0befac1abf9c3afe

  • SHA256

    3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe

  • SHA512

    2915cd960eedf11af7370ba7b6a1dd29c9da7c7f61679ff9683aec7ce601a4b1a286005f666cbf39c0a29a9179e09da6e20c395e15268d0aba291e0b9a2c84e4

Malware Config

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 1 TTPs
  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe
    "C:\Users\Admin\AppData\Local\Temp\3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4000
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe" "3b4ecbb8e3c09e42166df0d2c159671ae46d7ea739556cf6da53ccb3fbf95dbe.exe" ENABLE
      2⤵
        PID:2668

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Modify Existing Service

    1
    T1031

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2668-131-0x0000000000000000-mapping.dmp
    • memory/4000-130-0x0000000074E80000-0x0000000075431000-memory.dmp
      Filesize

      5.7MB