Overview

overview

10

Static

static

download.exe

windows7_x64

10

download.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    10-01-2021 10:28

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General

  • Target

    download.exe

  • Size

    23KB

  • MD5

    bb00c53e0777a63206a53389edd2cef0

  • SHA1

    d6454601a8e1164527fdfbbe453a949e15a3f6d3

  • SHA256

    60c9ff6f9a97ea33927a9806855d94c0294ee3a907dd82fe6b1ad89f25ff8b6c

  • SHA512

    df52dbf2a8d094adfee388dc87502a1f3f481fd5b829eed11af441c4bd88abd1e3986557f9499ef83420b4234c87e74b164773c8d087e3261fa9158b8b9729c9

Score
10/10
njrateuevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Eu

C2

225551.duckdns.org:1177

Mutex

1c67227486cb440a255655e419b1c7fc

Attributes
  • reg_key

    1c67227486cb440a255655e419b1c7fc

  • splitter

    |'|'|

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
  • 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 use of AdjustPrivilegeToken 31 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\download.exe
    "C:\Users\Admin\AppData\Local\Temp\download.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:996
    • C:\Users\Admin\AppData\Local\Temp\Intel(R) Dynamic Technology Management Service.exe
      "C:\Users\Admin\AppData\Local\Temp\Intel(R) Dynamic Technology Management Service.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1296
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Intel(R) Dynamic Technology Management Service.exe" "Intel(R) Dynamic Technology Management Service.exe" ENABLE
        3⤵
          PID:1452

    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

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\Intel(R) Dynamic Technology Management Service.exe
      MD5

      bb00c53e0777a63206a53389edd2cef0

      SHA1

      d6454601a8e1164527fdfbbe453a949e15a3f6d3

      SHA256

      60c9ff6f9a97ea33927a9806855d94c0294ee3a907dd82fe6b1ad89f25ff8b6c

      SHA512

      df52dbf2a8d094adfee388dc87502a1f3f481fd5b829eed11af441c4bd88abd1e3986557f9499ef83420b4234c87e74b164773c8d087e3261fa9158b8b9729c9

      Download Submit
    • C:\Users\Admin\AppData\Local\Temp\Intel(R) Dynamic Technology Management Service.exe
      MD5

      bb00c53e0777a63206a53389edd2cef0

      SHA1

      d6454601a8e1164527fdfbbe453a949e15a3f6d3

      SHA256

      60c9ff6f9a97ea33927a9806855d94c0294ee3a907dd82fe6b1ad89f25ff8b6c

      SHA512

      df52dbf2a8d094adfee388dc87502a1f3f481fd5b829eed11af441c4bd88abd1e3986557f9499ef83420b4234c87e74b164773c8d087e3261fa9158b8b9729c9

      Download Submit
    • \Users\Admin\AppData\Local\Temp\Intel(R) Dynamic Technology Management Service.exe
      MD5

      bb00c53e0777a63206a53389edd2cef0

      SHA1

      d6454601a8e1164527fdfbbe453a949e15a3f6d3

      SHA256

      60c9ff6f9a97ea33927a9806855d94c0294ee3a907dd82fe6b1ad89f25ff8b6c

      SHA512

      df52dbf2a8d094adfee388dc87502a1f3f481fd5b829eed11af441c4bd88abd1e3986557f9499ef83420b4234c87e74b164773c8d087e3261fa9158b8b9729c9

      Download Submit
    • memory/1296-3-0x0000000000000000-mapping.dmp
      Download
    • memory/1452-6-0x0000000000000000-mapping.dmp
      Download