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Overview

overview

10

Static

static

10

6f31ca947c...ab.exe

windows7-x64

10

6f31ca947c...ab.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27/10/2024, 02:30 UTC

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General

  • Target

    6f31ca947c494c4413151a81a41e936ab7edd17a6a15f08682e5595cfd90afab.exe

  • Size

    37KB

  • MD5

    0a47d55f7619dc132fe38e03be2f91ca

  • SHA1

    1038cb66aae449f5b0f9731bb0deac6f3cc3d864

  • SHA256

    6f31ca947c494c4413151a81a41e936ab7edd17a6a15f08682e5595cfd90afab

  • SHA512

    3b97c0f59d4ac6d7e840ccb106e911eb28734c558f8b0f745632c5cc1aeaf14a3892daa90981c7f66da0e13305fdbd53ef72595c53c5a18c5af7a289a86446f8

  • SSDEEP

    384:k0aIiudjtD+P3V+y0b3+LCtf1QseiXFrAF+rMRTyN/0L+EcoinblneHQM3epzX4K:TFmV10b3+LCtCViVrM+rMRa8NuWut

Score
10/10
njratmandiscoveryevasionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

Man

C2

0.tcp.eu.ngrok.io:10698

Mutex

630e28d3c8152ab68e951a8968693173

Attributes
  • reg_key

    630e28d3c8152ab68e951a8968693173

  • splitter

    |'|'|

Signatures

  • Njrat family
    njrat
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat
  • Modifies Windows Firewall 2 TTPs 1 IoCs
    evasion
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

    persistenceprivilege_escalation
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6f31ca947c494c4413151a81a41e936ab7edd17a6a15f08682e5595cfd90afab.exe
    "C:\Users\Admin\AppData\Local\Temp\6f31ca947c494c4413151a81a41e936ab7edd17a6a15f08682e5595cfd90afab.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1448
    • C:\Users\Admin\AppData\Roaming\server.exe
      "C:\Users\Admin\AppData\Roaming\server.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2836
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2116

Network

  • flag-us
    DNS
    0.tcp.eu.ngrok.io
    server.exe
    Remote address:
    8.8.8.8:53
    Request
    0.tcp.eu.ngrok.io
    IN A
    Response
    0.tcp.eu.ngrok.io
    IN A
    52.57.120.10
  • flag-us
    DNS
    0.tcp.eu.ngrok.io
    server.exe
    Remote address:
    8.8.8.8:53
    Request
    0.tcp.eu.ngrok.io
    IN A
    Response
    0.tcp.eu.ngrok.io
    IN A
    3.74.27.83
  • flag-us
    DNS
    0.tcp.eu.ngrok.io
    server.exe
    Remote address:
    8.8.8.8:53
    Request
    0.tcp.eu.ngrok.io
    IN A
    Response
    0.tcp.eu.ngrok.io
    IN A
    18.192.31.30
  • 52.57.120.10:10698
    0.tcp.eu.ngrok.io
    server.exe
    152 B
     120 B
     3
    3
  • 52.57.120.10:10698
    0.tcp.eu.ngrok.io
    server.exe
    152 B
     120 B
     3
    3
  • 52.57.120.10:10698
    0.tcp.eu.ngrok.io
    server.exe
    152 B
     120 B
     3
    3
  • 52.57.120.10:10698
    0.tcp.eu.ngrok.io
    server.exe
    152 B
     120 B
     3
    3
  • 3.74.27.83:10698
    0.tcp.eu.ngrok.io
    server.exe
    152 B
     120 B
     3
    3
  • 3.74.27.83:10698
    0.tcp.eu.ngrok.io
    server.exe
    152 B
     120 B
     3
    3
  • 3.74.27.83:10698
    0.tcp.eu.ngrok.io
    server.exe
    152 B
     120 B
     3
    3
  • 3.74.27.83:10698
    0.tcp.eu.ngrok.io
    server.exe
    152 B
     120 B
     3
    3
  • 3.74.27.83:10698
    0.tcp.eu.ngrok.io
    server.exe
    152 B
     120 B
     3
    3
  • 3.74.27.83:10698
    0.tcp.eu.ngrok.io
    server.exe
    152 B
     120 B
     3
    3
  • 3.74.27.83:10698
    0.tcp.eu.ngrok.io
    server.exe
    152 B
     120 B
     3
    3
  • 3.74.27.83:10698
    0.tcp.eu.ngrok.io
    server.exe
    152 B
     120 B
     3
    3
  • 3.74.27.83:10698
    0.tcp.eu.ngrok.io
    server.exe
    152 B
     120 B
     3
    3
  • 3.74.27.83:10698
    0.tcp.eu.ngrok.io
    server.exe
    152 B
     120 B
     3
    3
  • 3.74.27.83:10698
    0.tcp.eu.ngrok.io
    server.exe
    152 B
     120 B
     3
    3
  • 3.74.27.83:10698
    0.tcp.eu.ngrok.io
    server.exe
    152 B
     120 B
     3
    3
  • 3.74.27.83:10698
    0.tcp.eu.ngrok.io
    server.exe
    152 B
     120 B
     3
    3
  • 3.74.27.83:10698
    0.tcp.eu.ngrok.io
    server.exe
    152 B
     120 B
     3
    3
  • 3.74.27.83:10698
    0.tcp.eu.ngrok.io
    server.exe
    152 B
     120 B
     3
    3
  • 3.74.27.83:10698
    0.tcp.eu.ngrok.io
    server.exe
    152 B
     120 B
     3
    3
  • 3.74.27.83:10698
    0.tcp.eu.ngrok.io
    server.exe
    152 B
     120 B
     3
    3
  • 3.74.27.83:10698
    0.tcp.eu.ngrok.io
    server.exe
    152 B
     120 B
     3
    3
  • 3.74.27.83:10698
    0.tcp.eu.ngrok.io
    server.exe
    152 B
     80 B
     3
    2
  • 18.192.31.30:10698
    0.tcp.eu.ngrok.io
    server.exe
    152 B
     120 B
     3
    3
  • 18.192.31.30:10698
    0.tcp.eu.ngrok.io
    server.exe
    152 B
     120 B
     3
    3
  • 18.192.31.30:10698
    0.tcp.eu.ngrok.io
    server.exe
    152 B
     120 B
     3
    3
  • 18.192.31.30:10698
    0.tcp.eu.ngrok.io
    server.exe
    152 B
     120 B
     3
    3
  • 18.192.31.30:10698
    0.tcp.eu.ngrok.io
    server.exe
    152 B
     120 B
     3
    3
  • 18.192.31.30:10698
    0.tcp.eu.ngrok.io
    server.exe
    152 B
     120 B
     3
    3
  • 18.192.31.30:10698
    0.tcp.eu.ngrok.io
    server.exe
    152 B
     120 B
     3
    3
  • 18.192.31.30:10698
    0.tcp.eu.ngrok.io
    server.exe
    152 B
     120 B
     3
    3
  • 18.192.31.30:10698
    0.tcp.eu.ngrok.io
    server.exe
    152 B
     120 B
     3
    3
  • 18.192.31.30:10698
    0.tcp.eu.ngrok.io
    server.exe
    152 B
     120 B
     3
    3
  • 18.192.31.30:10698
    0.tcp.eu.ngrok.io
    server.exe
    152 B
     120 B
     3
    3
  • 18.192.31.30:10698
    0.tcp.eu.ngrok.io
    server.exe
    152 B
     120 B
     3
    3
  • 18.192.31.30:10698
    0.tcp.eu.ngrok.io
    server.exe
    152 B
     120 B
     3
    3
  • 18.192.31.30:10698
    0.tcp.eu.ngrok.io
    server.exe
    152 B
     120 B
     3
    3
  • 18.192.31.30:10698
    0.tcp.eu.ngrok.io
    server.exe
    152 B
     120 B
     3
    3
  • 18.192.31.30:10698
    0.tcp.eu.ngrok.io
    server.exe
    152 B
     120 B
     3
    3
  • 18.192.31.30:10698
    0.tcp.eu.ngrok.io
    server.exe
    152 B
     120 B
     3
    3
  • 18.192.31.30:10698
    0.tcp.eu.ngrok.io
    server.exe
    152 B
     120 B
     3
    3
  • 18.192.31.30:10698
    server.exe
  • 8.8.8.8:53
    0.tcp.eu.ngrok.io
    dns
    server.exe
    63 B
     79 B
     1
    1

    DNS Request

    0.tcp.eu.ngrok.io

    DNS Response

    52.57.120.10

  • 8.8.8.8:53
    0.tcp.eu.ngrok.io
    dns
    server.exe
    63 B
     79 B
     1
    1

    DNS Request

    0.tcp.eu.ngrok.io

    DNS Response

    3.74.27.83

  • 8.8.8.8:53
    0.tcp.eu.ngrok.io
    dns
    server.exe
    63 B
     79 B
     1
    1

    DNS Request

    0.tcp.eu.ngrok.io

    DNS Response

    18.192.31.30

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Roaming\server.exe
    Filesize

    37KB

    MD5

    0a47d55f7619dc132fe38e03be2f91ca

    SHA1

    1038cb66aae449f5b0f9731bb0deac6f3cc3d864

    SHA256

    6f31ca947c494c4413151a81a41e936ab7edd17a6a15f08682e5595cfd90afab

    SHA512

    3b97c0f59d4ac6d7e840ccb106e911eb28734c558f8b0f745632c5cc1aeaf14a3892daa90981c7f66da0e13305fdbd53ef72595c53c5a18c5af7a289a86446f8

    Download Submit

  • memory/1448-0-0x0000000073E71000-0x0000000073E72000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1448-1-0x0000000073E70000-0x000000007441B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1448-2-0x0000000073E70000-0x000000007441B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1448-10-0x0000000073E70000-0x000000007441B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2836-11-0x0000000073E70000-0x000000007441B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2836-12-0x0000000073E70000-0x000000007441B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2836-13-0x0000000073E70000-0x000000007441B000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/2836-14-0x0000000073E70000-0x000000007441B000-memory.dmp

    Filesize

    5.7MB

    Download

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