Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-08-2024 21:54

General

  • Target

    4ecf642efaacb2436c6c50d67b4c13b412223e03c288318b6dbd06f3f142cf59.exe

  • Size

    112KB

  • MD5

    66dc5e2f50b0127d751a38e7ee662559

  • SHA1

    3df32baf65a27c3e2be0913bf695cc9fabcd21ae

  • SHA256

    4ecf642efaacb2436c6c50d67b4c13b412223e03c288318b6dbd06f3f142cf59

  • SHA512

    52ae840cd96a4e47f20567d0e3ab0bd747ba59b04f52c3c738bf87a0f48b83464eb9a449640de2ad680bd6f64c58a922d64e5a62de81945e262751a54d28fcd1

  • SSDEEP

    1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73r:w5eznsjsguGDFqGx8egoxmO3rr

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

C2

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes
  • reg_key

    e1a87040f2026369a233f9ae76301b7b

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 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.

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4ecf642efaacb2436c6c50d67b4c13b412223e03c288318b6dbd06f3f142cf59.exe
    "C:\Users\Admin\AppData\Local\Temp\4ecf642efaacb2436c6c50d67b4c13b412223e03c288318b6dbd06f3f142cf59.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1672
    • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
      "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4936
      • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3660
        • C:\Windows\SysWOW64\netsh.exe
          netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe" "chargeable.exe" ENABLE
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          • System Location Discovery: System Language Discovery
          PID:1304

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\chargeable.exe.log

    Filesize

    400B

    MD5

    0a9b4592cd49c3c21f6767c2dabda92f

    SHA1

    f534297527ae5ccc0ecb2221ddeb8e58daeb8b74

    SHA256

    c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd

    SHA512

    6b878df474e5bbfb8e9e265f15a76560c2ef151dcebc6388c82d7f6f86ffaf83f5ade5a09f1842e493cb6c8fd63b0b88d088c728fd725f7139f965a5ee332307

  • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe

    Filesize

    112KB

    MD5

    82e61fa3333137de7cd58074f75cb9e2

    SHA1

    3b1d69cbd18790e86d6a7a9253e1fa5dd8d06cd1

    SHA256

    f72a48973e8b7caeabdf97f4c232bab0850c913b3996d60c32211f9f8e414e24

    SHA512

    62c94644e689b217ecc359256238787ed050134a5612552a2791be356e31136566d5dbd72439d4bf44777f63751b9967c64aeb98aa3193ad55bd890495d26c3f

  • memory/1672-20-0x0000000074DD0000-0x0000000075381000-memory.dmp

    Filesize

    5.7MB

  • memory/1672-1-0x0000000074DD0000-0x0000000075381000-memory.dmp

    Filesize

    5.7MB

  • memory/1672-7-0x0000000074DD0000-0x0000000075381000-memory.dmp

    Filesize

    5.7MB

  • memory/1672-2-0x0000000074DD0000-0x0000000075381000-memory.dmp

    Filesize

    5.7MB

  • memory/1672-19-0x0000000074DD0000-0x0000000075381000-memory.dmp

    Filesize

    5.7MB

  • memory/1672-6-0x0000000074DD2000-0x0000000074DD3000-memory.dmp

    Filesize

    4KB

  • memory/1672-0-0x0000000074DD2000-0x0000000074DD3000-memory.dmp

    Filesize

    4KB

  • memory/3660-28-0x0000000074DD0000-0x0000000075381000-memory.dmp

    Filesize

    5.7MB

  • memory/3660-23-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/3660-29-0x0000000074DD0000-0x0000000075381000-memory.dmp

    Filesize

    5.7MB

  • memory/3660-30-0x0000000074DD0000-0x0000000075381000-memory.dmp

    Filesize

    5.7MB

  • memory/4936-22-0x0000000074DD0000-0x0000000075381000-memory.dmp

    Filesize

    5.7MB

  • memory/4936-21-0x0000000074DD0000-0x0000000075381000-memory.dmp

    Filesize

    5.7MB

  • memory/4936-27-0x0000000074DD0000-0x0000000075381000-memory.dmp

    Filesize

    5.7MB