Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-09-2024 00:25

General

  • Target

    8f7b89ac3df5f91ba144a8dbe04d744967e87708be7f80c8badc7708160bd06e.exe

  • Size

    115KB

  • MD5

    5dd531f9477064411cf7c72617045f7d

  • SHA1

    52e3cc9c8b603bcfed5db6ebab09dd775f07c6aa

  • SHA256

    8f7b89ac3df5f91ba144a8dbe04d744967e87708be7f80c8badc7708160bd06e

  • SHA512

    d596d06708410189ce2c862581604fe50acd85d767b3b9d1ad2b5bdeef939b5b5e301f7abc1e154db4474a04bc78ee20c609645ebaf0a3f5dd8b9fc0f1f80b15

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMmG:P5eznsjsguGDFqGZ2rB

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\8f7b89ac3df5f91ba144a8dbe04d744967e87708be7f80c8badc7708160bd06e.exe
    "C:\Users\Admin\AppData\Local\Temp\8f7b89ac3df5f91ba144a8dbe04d744967e87708be7f80c8badc7708160bd06e.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4824
    • 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:928
      • 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:640
        • 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:2884

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

    115KB

    MD5

    f8ebec096df6e7d46cb0784fa098c1ce

    SHA1

    a46ecc9a5b86199122c8fa16caa1f0a9ec5c19cf

    SHA256

    b132685bf2ff9c1335f9663c1c5ce99f4697638ddd456351f68b2a253607af9c

    SHA512

    12d10b99c3ba886890593f5c759f3a921d87fae590769f5e8ff11859d8f5fa7f54e7cc72d3773703a635fa9e751f36ef8b8818bd239c05f6872b4b665c9c2059

  • memory/640-29-0x0000000074F30000-0x00000000754E1000-memory.dmp

    Filesize

    5.7MB

  • memory/640-27-0x0000000074F30000-0x00000000754E1000-memory.dmp

    Filesize

    5.7MB

  • memory/640-23-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/928-22-0x0000000074F30000-0x00000000754E1000-memory.dmp

    Filesize

    5.7MB

  • memory/928-28-0x0000000074F30000-0x00000000754E1000-memory.dmp

    Filesize

    5.7MB

  • memory/928-21-0x0000000074F30000-0x00000000754E1000-memory.dmp

    Filesize

    5.7MB

  • memory/4824-6-0x0000000074F32000-0x0000000074F33000-memory.dmp

    Filesize

    4KB

  • memory/4824-20-0x0000000074F30000-0x00000000754E1000-memory.dmp

    Filesize

    5.7MB

  • memory/4824-19-0x0000000074F30000-0x00000000754E1000-memory.dmp

    Filesize

    5.7MB

  • memory/4824-7-0x0000000074F30000-0x00000000754E1000-memory.dmp

    Filesize

    5.7MB

  • memory/4824-0-0x0000000074F32000-0x0000000074F33000-memory.dmp

    Filesize

    4KB

  • memory/4824-2-0x0000000074F30000-0x00000000754E1000-memory.dmp

    Filesize

    5.7MB

  • memory/4824-1-0x0000000074F30000-0x00000000754E1000-memory.dmp

    Filesize

    5.7MB