Analysis

  • max time kernel
    120s
  • max time network
    110s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-08-2024 10:33

General

  • Target

    9e9578329532e8f70dd32cd8c06944e0N.exe

  • Size

    114KB

  • MD5

    9e9578329532e8f70dd32cd8c06944e0

  • SHA1

    e224c9efcbf3d895d13409e2c95f27cc5ec029cc

  • SHA256

    b57c45a06805220749c03932b8854964964b96ed2c0c725521cdc84ab6467e64

  • SHA512

    04d4f2bc3db8982a82e8b033bd4341543ac43b0b7b05a68d906da01b8d0951d504660f97e588491cfbc33a76439190d1c74403abd74d234f26cd19a8afbcac87

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMd1R:P5eznsjsguGDFqGZ2r7R

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 25 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9e9578329532e8f70dd32cd8c06944e0N.exe
    "C:\Users\Admin\AppData\Local\Temp\9e9578329532e8f70dd32cd8c06944e0N.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2920
    • 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:2408
      • 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:440
        • 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:1148

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

    114KB

    MD5

    11c4f327040fbb5cd043a51bbffcb71c

    SHA1

    e8a55abfc72622edf48686b33b430c28e488c2d4

    SHA256

    076c6dc6145dfa87ceb4860f96f6a16e07bd337fad2c1662411e7e198db68847

    SHA512

    3385a12995b6b8ff471ca56e30a5517e92abcdf58c5698be2d68c40325d1940336ac030cd2be35f37caf5deea1a8827b82cd1f9057c6bbad5c177f218ac20540

  • memory/440-23-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/440-30-0x0000000074AB0000-0x0000000075061000-memory.dmp

    Filesize

    5.7MB

  • memory/440-28-0x0000000074AB0000-0x0000000075061000-memory.dmp

    Filesize

    5.7MB

  • memory/440-27-0x0000000074AB0000-0x0000000075061000-memory.dmp

    Filesize

    5.7MB

  • memory/2408-22-0x0000000074AB0000-0x0000000075061000-memory.dmp

    Filesize

    5.7MB

  • memory/2408-21-0x0000000074AB0000-0x0000000075061000-memory.dmp

    Filesize

    5.7MB

  • memory/2408-20-0x0000000074AB0000-0x0000000075061000-memory.dmp

    Filesize

    5.7MB

  • memory/2408-29-0x0000000074AB0000-0x0000000075061000-memory.dmp

    Filesize

    5.7MB

  • memory/2920-0-0x0000000074AB2000-0x0000000074AB3000-memory.dmp

    Filesize

    4KB

  • memory/2920-19-0x0000000074AB0000-0x0000000075061000-memory.dmp

    Filesize

    5.7MB

  • memory/2920-7-0x0000000074AB0000-0x0000000075061000-memory.dmp

    Filesize

    5.7MB

  • memory/2920-6-0x0000000074AB2000-0x0000000074AB3000-memory.dmp

    Filesize

    4KB

  • memory/2920-2-0x0000000074AB0000-0x0000000075061000-memory.dmp

    Filesize

    5.7MB

  • memory/2920-1-0x0000000074AB0000-0x0000000075061000-memory.dmp

    Filesize

    5.7MB