Overview

overview

10

Static

static

d7d409bba1...85.exe

windows7_x64

10

d7d409bba1...85.exe

windows10_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    14-12-2020 16:45

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    d7d409bba14e1deb37b6c589a6e21a85.exe

  • Size

    23KB

  • MD5

    d7d409bba14e1deb37b6c589a6e21a85

  • SHA1

    77553fab55f20d963c193403e3d616af9e534423

  • SHA256

    4ba5a3bf2d29ffad2ac84dcf7b86adaf1918476f1ec28ee23c457a5fbfa13d5c

  • SHA512

    0cb65ce4c283334ba1c9bc3f5c390b8aee422369479da99f12e3ea54c90aa350128b2863e9a19c24017fffec1e6675d45aceeb5d4f2187212471a7e29a440702

Score
10/10
njrathackedevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

Madest 0.7d

Botnet

HacKed

C2

2.tcp.ngrok.io:19473

Mutex

604f175a359f0dc228c1d0efe969a277

Attributes
  • reg_key

    604f175a359f0dc228c1d0efe969a277

  • 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
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Drops file in Windows directory 1 IoCs
  • 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\d7d409bba14e1deb37b6c589a6e21a85.exe
    "C:\Users\Admin\AppData\Local\Temp\d7d409bba14e1deb37b6c589a6e21a85.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:1992
    • C:\Windows\wslend.exe
      "C:\Windows\wslend.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1724
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Windows\wslend.exe" "wslend.exe" ENABLE
        3⤵
          PID:788

    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:\Windows\wslend.exe
      MD5

      d7d409bba14e1deb37b6c589a6e21a85

      SHA1

      77553fab55f20d963c193403e3d616af9e534423

      SHA256

      4ba5a3bf2d29ffad2ac84dcf7b86adaf1918476f1ec28ee23c457a5fbfa13d5c

      SHA512

      0cb65ce4c283334ba1c9bc3f5c390b8aee422369479da99f12e3ea54c90aa350128b2863e9a19c24017fffec1e6675d45aceeb5d4f2187212471a7e29a440702

      Download Submit
    • C:\Windows\wslend.exe
      MD5

      d7d409bba14e1deb37b6c589a6e21a85

      SHA1

      77553fab55f20d963c193403e3d616af9e534423

      SHA256

      4ba5a3bf2d29ffad2ac84dcf7b86adaf1918476f1ec28ee23c457a5fbfa13d5c

      SHA512

      0cb65ce4c283334ba1c9bc3f5c390b8aee422369479da99f12e3ea54c90aa350128b2863e9a19c24017fffec1e6675d45aceeb5d4f2187212471a7e29a440702

      Download Submit
    • memory/788-5-0x0000000000000000-mapping.dmp
      Download
    • memory/1724-2-0x0000000000000000-mapping.dmp
      Download