Overview

overview

10

Static

static

a16047a43d...21.exe

windows7_x64

10

a16047a43d...21.exe

windows10_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-en-20211104
  • submitted
    06-12-2021 03:21

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General

  • Target

    a16047a43de04f8c9dd254cd39b37421.exe

  • Size

    157KB

  • MD5

    a16047a43de04f8c9dd254cd39b37421

  • SHA1

    50cbe1b1a361fa7adc54c7c75a6d8b9248a889b4

  • SHA256

    8859685e5de4d1fdab2dbbfa6899ccb8bbf1b8fb859abf129be79b19b0b87314

  • SHA512

    adda28438e09d951ce22cf926eefafc64348a68ff513d82618b98b3c8f1aa4a979f8987861c7f916bcad39a94a5a40c77dad5f3cd91943378335a53c849eb527

Score
10/10
njratevasionpersistencesuricatatrojan

Malware Config

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)

    suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)

    suricata
  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs
    evasion
  • Drops startup file 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 32 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a16047a43de04f8c9dd254cd39b37421.exe
    "C:\Users\Admin\AppData\Local\Temp\a16047a43de04f8c9dd254cd39b37421.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1696
    • C:\Users\Admin\svchost.exe
      "C:\Users\Admin\svchost.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:584
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\svchost.exe" "svchost.exe" ENABLE
        3⤵
          PID:1768

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\svchost.exe
      MD5

      a16047a43de04f8c9dd254cd39b37421

      SHA1

      50cbe1b1a361fa7adc54c7c75a6d8b9248a889b4

      SHA256

      8859685e5de4d1fdab2dbbfa6899ccb8bbf1b8fb859abf129be79b19b0b87314

      SHA512

      adda28438e09d951ce22cf926eefafc64348a68ff513d82618b98b3c8f1aa4a979f8987861c7f916bcad39a94a5a40c77dad5f3cd91943378335a53c849eb527

      Download Submit

    • C:\Users\Admin\svchost.exe
      MD5

      a16047a43de04f8c9dd254cd39b37421

      SHA1

      50cbe1b1a361fa7adc54c7c75a6d8b9248a889b4

      SHA256

      8859685e5de4d1fdab2dbbfa6899ccb8bbf1b8fb859abf129be79b19b0b87314

      SHA512

      adda28438e09d951ce22cf926eefafc64348a68ff513d82618b98b3c8f1aa4a979f8987861c7f916bcad39a94a5a40c77dad5f3cd91943378335a53c849eb527

      Download Submit

    • \Users\Admin\svchost.exe
      MD5

      a16047a43de04f8c9dd254cd39b37421

      SHA1

      50cbe1b1a361fa7adc54c7c75a6d8b9248a889b4

      SHA256

      8859685e5de4d1fdab2dbbfa6899ccb8bbf1b8fb859abf129be79b19b0b87314

      SHA512

      adda28438e09d951ce22cf926eefafc64348a68ff513d82618b98b3c8f1aa4a979f8987861c7f916bcad39a94a5a40c77dad5f3cd91943378335a53c849eb527

      Download Submit

    • memory/584-58-0x0000000000000000-mapping.dmp

      Download

    • memory/584-62-0x0000000000320000-0x0000000000321000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1696-55-0x0000000075D01000-0x0000000075D03000-memory.dmp

      Filesize

      8KB

      Download

    • memory/1696-56-0x0000000000670000-0x0000000000671000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1768-63-0x0000000000000000-mapping.dmp

      Download