Analysis

  • max time kernel
    147s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-08-2024 04:34

General

  • Target

    d61cbbf2347a69de344cb704f3f9fda962f74c4e3eb876437bb54c9e9ebdfda8.exe

  • Size

    112KB

  • MD5

    4449d044f34669273f853193e1a98e4e

  • SHA1

    d51367bc4815f08f7750cbf9be79f94f8ec319d4

  • SHA256

    d61cbbf2347a69de344cb704f3f9fda962f74c4e3eb876437bb54c9e9ebdfda8

  • SHA512

    8d8cb1189c9abe186930ae6c371beb7f9bf6c031d52e40de3a6d9ee8597fda2c1d7fc997e93510bc17cbe8f547381affa90d9dce31b547ac42a00321c388e70e

  • SSDEEP

    1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh739:w5eznsjsguGDFqGx8egoxmO3r9

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\d61cbbf2347a69de344cb704f3f9fda962f74c4e3eb876437bb54c9e9ebdfda8.exe
    "C:\Users\Admin\AppData\Local\Temp\d61cbbf2347a69de344cb704f3f9fda962f74c4e3eb876437bb54c9e9ebdfda8.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4544
    • 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:1196
      • 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:3772
        • 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:3252

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

    af005173cce1850423f0f999693487cb

    SHA1

    950bf700178ab02d75b959cf92f1d493acba31ef

    SHA256

    38615066450a66b2950aa946bf8eea01f16e1f0dfc7c0748609e195c317c2a7a

    SHA512

    feb37c884eba52c5e74a3a9b1c604d42e6b25b98a1389ba9677361f756897d169824b9d7c214e150f6a1f07e7e63440baa07e6119aa08b919db0533a9fdb22bc

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

    Filesize

    112KB

    MD5

    8aa3c92f9117e120d37226fa37e83611

    SHA1

    d42b47eade4bb44b44fae3225027aba5bc82622c

    SHA256

    e97820fc9e5c257db514d4c73f1684d3e1782ac250641678d27230c87b064f9c

    SHA512

    d80feaae9233bd6751e715f251a8f0ca06129a26211258d68a71823644e514ad0703b762940269b5efbd5f68610ad3610bbed59150ae9aefba27c9b09b851408

  • memory/1196-19-0x0000000075350000-0x0000000075901000-memory.dmp

    Filesize

    5.7MB

  • memory/1196-18-0x0000000075350000-0x0000000075901000-memory.dmp

    Filesize

    5.7MB

  • memory/1196-20-0x0000000075350000-0x0000000075901000-memory.dmp

    Filesize

    5.7MB

  • memory/1196-25-0x0000000075350000-0x0000000075901000-memory.dmp

    Filesize

    5.7MB

  • memory/3772-21-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/3772-26-0x0000000075350000-0x0000000075901000-memory.dmp

    Filesize

    5.7MB

  • memory/3772-27-0x0000000075350000-0x0000000075901000-memory.dmp

    Filesize

    5.7MB

  • memory/3772-28-0x0000000075350000-0x0000000075901000-memory.dmp

    Filesize

    5.7MB

  • memory/4544-2-0x0000000075350000-0x0000000075901000-memory.dmp

    Filesize

    5.7MB

  • memory/4544-0-0x0000000075352000-0x0000000075353000-memory.dmp

    Filesize

    4KB

  • memory/4544-17-0x0000000075350000-0x0000000075901000-memory.dmp

    Filesize

    5.7MB

  • memory/4544-1-0x0000000075350000-0x0000000075901000-memory.dmp

    Filesize

    5.7MB