Analysis

  • max time kernel
    114s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-08-2024 12:36

General

  • Target

    283c99aad664ae12b185f1077fa57610N.exe

  • Size

    117KB

  • MD5

    283c99aad664ae12b185f1077fa57610

  • SHA1

    7892c3b6d8259c38dbd66065ad31bb5fa42164ee

  • SHA256

    dc9ce0a7e2c9fa7fcbf0da91cf21ac4b352ebd5d42c267e9de7a2e06270bf270

  • SHA512

    7e2a222f555a18de4a7b590bdbce4a6b54900197f00cece65bb431c3c42f44296b98cfcd582fcdaf8d5a75ceea3de47ee2d332eb2258c3715b8edf2f72726fac

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLQ:P5eznsjsguGDFqGZ2rDLQ

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\283c99aad664ae12b185f1077fa57610N.exe
    "C:\Users\Admin\AppData\Local\Temp\283c99aad664ae12b185f1077fa57610N.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2792
    • 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:1740
      • 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:4596
        • 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:1648

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

    117KB

    MD5

    b5eab32275a7280c4b7f04237a39f508

    SHA1

    a1751d0d0bc4c34ee074ce0dbf4b346af2710195

    SHA256

    026e41d0996baea406223835433f5a8ffa03a6a5db36ba3ef1c4b94a40668568

    SHA512

    7c090fdf87852c3490b0b57e8fc88683a4e0cfbc76b5e133bed92ece54eb52ab467e87f5f66bb53e21db53e1e698ba433f3dead83ec9d46b8914c17658851b49

  • memory/1740-28-0x00000000753D0000-0x0000000075981000-memory.dmp

    Filesize

    5.7MB

  • memory/1740-22-0x00000000753D0000-0x0000000075981000-memory.dmp

    Filesize

    5.7MB

  • memory/1740-21-0x00000000753D0000-0x0000000075981000-memory.dmp

    Filesize

    5.7MB

  • memory/2792-7-0x00000000753D0000-0x0000000075981000-memory.dmp

    Filesize

    5.7MB

  • memory/2792-19-0x00000000753D0000-0x0000000075981000-memory.dmp

    Filesize

    5.7MB

  • memory/2792-20-0x00000000753D0000-0x0000000075981000-memory.dmp

    Filesize

    5.7MB

  • memory/2792-0-0x00000000753D2000-0x00000000753D3000-memory.dmp

    Filesize

    4KB

  • memory/2792-6-0x00000000753D2000-0x00000000753D3000-memory.dmp

    Filesize

    4KB

  • memory/2792-2-0x00000000753D0000-0x0000000075981000-memory.dmp

    Filesize

    5.7MB

  • memory/2792-1-0x00000000753D0000-0x0000000075981000-memory.dmp

    Filesize

    5.7MB

  • memory/4596-23-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/4596-27-0x00000000753D0000-0x0000000075981000-memory.dmp

    Filesize

    5.7MB

  • memory/4596-29-0x00000000753D0000-0x0000000075981000-memory.dmp

    Filesize

    5.7MB

  • memory/4596-30-0x00000000753D0000-0x0000000075981000-memory.dmp

    Filesize

    5.7MB