Overview

overview

10

Static

static

10

58d96f9f4e...95.exe

windows7_x64

10

58d96f9f4e...95.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    23-10-2021 23:36

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General

  • Target

    58d96f9f4e0484a57bc7c0fcb05a9595.exe

  • Size

    31KB

  • MD5

    58d96f9f4e0484a57bc7c0fcb05a9595

  • SHA1

    3a3028b6cf152f2c4d5872c0eb1948f2ddd152a1

  • SHA256

    46ed133f370ec9791d80415753e50a40c03c7aa69ae6b222bc2e278caef707b9

  • SHA512

    01429224deb24e805f29eadd2b0bc754db74dec85ba3c1627c4042ff731ec7c65608994c4831b9e6cef76f51f05cadbb910a9b2d9c459038a80b44dc6e935bb7

Score
10/10
njratdatevasionpersistencesuricatatrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Dat

C2

0.tcp.ngrok.io:10196

Mutex

4b6d4526ce130b5f80f1795d2c2b3aa9

Attributes
  • reg_key

    4b6d4526ce130b5f80f1795d2c2b3aa9

  • splitter

    Y262SUCZ4UJJ

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\58d96f9f4e0484a57bc7c0fcb05a9595.exe
    "C:\Users\Admin\AppData\Local\Temp\58d96f9f4e0484a57bc7c0fcb05a9595.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1900
    • C:\Users\Admin\AppData\Roaming\WindowsServices.exe
      "C:\Users\Admin\AppData\Roaming\WindowsServices.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1080
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\WindowsServices.exe" "WindowsServices.exe" ENABLE
        3⤵
          PID:620

    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\Roaming\WindowsServices.exe
      MD5

      58d96f9f4e0484a57bc7c0fcb05a9595

      SHA1

      3a3028b6cf152f2c4d5872c0eb1948f2ddd152a1

      SHA256

      46ed133f370ec9791d80415753e50a40c03c7aa69ae6b222bc2e278caef707b9

      SHA512

      01429224deb24e805f29eadd2b0bc754db74dec85ba3c1627c4042ff731ec7c65608994c4831b9e6cef76f51f05cadbb910a9b2d9c459038a80b44dc6e935bb7

      Download Submit
    • C:\Users\Admin\AppData\Roaming\WindowsServices.exe
      MD5

      58d96f9f4e0484a57bc7c0fcb05a9595

      SHA1

      3a3028b6cf152f2c4d5872c0eb1948f2ddd152a1

      SHA256

      46ed133f370ec9791d80415753e50a40c03c7aa69ae6b222bc2e278caef707b9

      SHA512

      01429224deb24e805f29eadd2b0bc754db74dec85ba3c1627c4042ff731ec7c65608994c4831b9e6cef76f51f05cadbb910a9b2d9c459038a80b44dc6e935bb7

      Download Submit
    • \Users\Admin\AppData\Roaming\WindowsServices.exe
      MD5

      58d96f9f4e0484a57bc7c0fcb05a9595

      SHA1

      3a3028b6cf152f2c4d5872c0eb1948f2ddd152a1

      SHA256

      46ed133f370ec9791d80415753e50a40c03c7aa69ae6b222bc2e278caef707b9

      SHA512

      01429224deb24e805f29eadd2b0bc754db74dec85ba3c1627c4042ff731ec7c65608994c4831b9e6cef76f51f05cadbb910a9b2d9c459038a80b44dc6e935bb7

      Download Submit
    • memory/620-63-0x0000000000000000-mapping.dmp
      Download
    • memory/1080-58-0x0000000000000000-mapping.dmp
      Download
    • memory/1080-62-0x0000000000C70000-0x0000000000C71000-memory.dmp
      Filesize

      4KB

      Download
    • memory/1900-55-0x00000000757E1000-0x00000000757E3000-memory.dmp
      Filesize

      8KB

      Download
    • memory/1900-56-0x0000000000980000-0x0000000000981000-memory.dmp
      Filesize

      4KB

      Download