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Analysis

  • max time kernel
    148s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/01/2025, 02:11

General

  • Target

    1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1.exe

  • Size

    120KB

  • MD5

    03a957673a394475e15c113f43e0e99e

  • SHA1

    9da8fb150808ffb7583b509237c59c70ee37f81c

  • SHA256

    1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1

  • SHA512

    e6926305fdd18b3e10b768ce749436c4f1c23a9a3aaea02cc33eb058fae1528bc6c57051d658a46996f8d6652abccba0611168be095aa8cd53560992dbd13b94

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLVgS:P5eznsjsguGDFqGZ2rDL3

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

C2

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes
  • reg_key

    e1a87040f2026369a233f9ae76301b7b

  • splitter

    |'|'|

Signatures

  • Njrat family
  • 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\1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1.exe
    "C:\Users\Admin\AppData\Local\Temp\1f8f39067871df0c4f5b3e7dfdf7bf3d70c319ccb78190d5c012f59be946c1e1.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:748
    • 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:4148
      • 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:4372
        • 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:4028

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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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

    120KB

    MD5

    a83e100723b42a68425ce13c6cdca081

    SHA1

    8b08ed74f4b8d4c788c9aee5773cfd3b1ea9c0cf

    SHA256

    1374b76f9d1061e5f146820b7bb4f142ec6fc3d91cd7a223fec918c0f09a5358

    SHA512

    ffc4f026fde6e4111fd23f84120fdda1d3cac5bfd3ece614ac8e5defa4c923bcbe583008a0cee4d4de6e4a7c77c00053577a8f24a6af2a51e194ba8e7b92d688

  • memory/748-22-0x0000000074F60000-0x0000000075511000-memory.dmp

    Filesize

    5.7MB

  • memory/748-19-0x0000000074F60000-0x0000000075511000-memory.dmp

    Filesize

    5.7MB

  • memory/748-7-0x0000000074F60000-0x0000000075511000-memory.dmp

    Filesize

    5.7MB

  • memory/748-2-0x0000000074F60000-0x0000000075511000-memory.dmp

    Filesize

    5.7MB

  • memory/748-6-0x0000000074F62000-0x0000000074F63000-memory.dmp

    Filesize

    4KB

  • memory/748-1-0x0000000074F60000-0x0000000075511000-memory.dmp

    Filesize

    5.7MB

  • memory/748-0-0x0000000074F62000-0x0000000074F63000-memory.dmp

    Filesize

    4KB

  • memory/4148-20-0x0000000074F60000-0x0000000075511000-memory.dmp

    Filesize

    5.7MB

  • memory/4148-21-0x0000000074F60000-0x0000000075511000-memory.dmp

    Filesize

    5.7MB

  • memory/4148-27-0x0000000074F60000-0x0000000075511000-memory.dmp

    Filesize

    5.7MB

  • memory/4372-23-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/4372-28-0x0000000074F60000-0x0000000075511000-memory.dmp

    Filesize

    5.7MB

  • memory/4372-29-0x0000000074F60000-0x0000000075511000-memory.dmp

    Filesize

    5.7MB

  • memory/4372-30-0x0000000074F60000-0x0000000075511000-memory.dmp

    Filesize

    5.7MB