Overview

overview

10

Static

static

H3RLtYJ1.exe

windows7_x64

10

H3RLtYJ1.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    24-11-2020 18:10

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    H3RLtYJ1.exe

  • Size

    32KB

  • MD5

    2628f3eaa3b7aa3173e266eb448abf39

  • SHA1

    c48a93e4c7216813c68616fe0a09d82200091b08

  • SHA256

    868afd54df23222e69bebc2e0c6aa35c1133a283bd4ff77cbc7ffe7e575cf1ad

  • SHA512

    dee26330968e1c90fe6f28374ebb0d5966b742750b0b7e6c8be96d951f6fc7b1ca7e4e26905ee4a511390e41d3bdf489501dd4eeaad1684e067ab24a344440fc

Score
10/10
njrat좀비evasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Botnet

좀비

Mutex

4dffd0580f3903c3690a533f8a96d5f7

Attributes
  • reg_key

    4dffd0580f3903c3690a533f8a96d5f7

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs
    evasion
  • Drops startup file 2 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 use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\H3RLtYJ1.exe
    "C:\Users\Admin\AppData\Local\Temp\H3RLtYJ1.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4752
    • C:\Users\Admin\AppData\Local\Temp\csrss.exe
      "C:\Users\Admin\AppData\Local\Temp\csrss.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3252
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\csrss.exe" "csrss.exe" ENABLE
        3⤵
          PID:4320

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Modify Existing Service

    1
    T1031

    Registry Run Keys / Startup Folder

    1
    T1060

    Privilege Escalation

    Defense Evasion

    Modify Registry

    1
    T1112

    Credential Access

    Discovery

    System Information Discovery

    1
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\csrss.exe
      MD5

      2628f3eaa3b7aa3173e266eb448abf39

      SHA1

      c48a93e4c7216813c68616fe0a09d82200091b08

      SHA256

      868afd54df23222e69bebc2e0c6aa35c1133a283bd4ff77cbc7ffe7e575cf1ad

      SHA512

      dee26330968e1c90fe6f28374ebb0d5966b742750b0b7e6c8be96d951f6fc7b1ca7e4e26905ee4a511390e41d3bdf489501dd4eeaad1684e067ab24a344440fc

      Download Submit
    • C:\Users\Admin\AppData\Local\Temp\csrss.exe
      MD5

      2628f3eaa3b7aa3173e266eb448abf39

      SHA1

      c48a93e4c7216813c68616fe0a09d82200091b08

      SHA256

      868afd54df23222e69bebc2e0c6aa35c1133a283bd4ff77cbc7ffe7e575cf1ad

      SHA512

      dee26330968e1c90fe6f28374ebb0d5966b742750b0b7e6c8be96d951f6fc7b1ca7e4e26905ee4a511390e41d3bdf489501dd4eeaad1684e067ab24a344440fc

      Download Submit
    • memory/3252-0-0x0000000000000000-mapping.dmp
      Download
    • memory/4320-3-0x0000000000000000-mapping.dmp
      Download