Analysis

  • max time kernel
    119s
  • max time network
    99s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-08-2024 10:32

General

  • Target

    3036576f06c4d42019c6775e7a7df5f0N.exe

  • Size

    118KB

  • MD5

    3036576f06c4d42019c6775e7a7df5f0

  • SHA1

    e45b4b406cbf52234d507825c9df7e25833f3aea

  • SHA256

    06adff4a12eac2f533883fa85d8e6d725e2196972b1c1b24845545b44a62c54b

  • SHA512

    20c742d17858c4e1db501a035a34f0cf552e8a9a43ea4209481921c654a304df093c7512921e61358d82379388ba65e5a9eced537ccb1e6ea579de10763f59a9

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDL14FO+:P5eznsjsguGDFqGZ2rDL14FO+

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\3036576f06c4d42019c6775e7a7df5f0N.exe
    "C:\Users\Admin\AppData\Local\Temp\3036576f06c4d42019c6775e7a7df5f0N.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3440
    • 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:4984
      • 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:3868
        • 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:4812

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

    118KB

    MD5

    53c6a9b591042b0754a2b147bf10f0e8

    SHA1

    903df09e1f44c6a1cbba0355ea74bdadb1c1d1bf

    SHA256

    31272166290eb7d15a85e738d442ec2752089eae68e5534f76f278ce1b28431c

    SHA512

    61af6f9f754e818fc77d8a20714d1b06578ccd131dc86d6d234411e1697e2389be006472f9968ba38bc488aedeec62f30a2abc9da87735c03ef86d88327ddb09

  • memory/3440-19-0x0000000074670000-0x0000000074C21000-memory.dmp

    Filesize

    5.7MB

  • memory/3440-6-0x0000000074672000-0x0000000074673000-memory.dmp

    Filesize

    4KB

  • memory/3440-7-0x0000000074670000-0x0000000074C21000-memory.dmp

    Filesize

    5.7MB

  • memory/3440-2-0x0000000074670000-0x0000000074C21000-memory.dmp

    Filesize

    5.7MB

  • memory/3440-0-0x0000000074672000-0x0000000074673000-memory.dmp

    Filesize

    4KB

  • memory/3440-1-0x0000000074670000-0x0000000074C21000-memory.dmp

    Filesize

    5.7MB

  • memory/3868-22-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/3868-28-0x0000000074670000-0x0000000074C21000-memory.dmp

    Filesize

    5.7MB

  • memory/3868-26-0x0000000074670000-0x0000000074C21000-memory.dmp

    Filesize

    5.7MB

  • memory/3868-29-0x0000000074670000-0x0000000074C21000-memory.dmp

    Filesize

    5.7MB

  • memory/4984-20-0x0000000074670000-0x0000000074C21000-memory.dmp

    Filesize

    5.7MB

  • memory/4984-21-0x0000000074670000-0x0000000074C21000-memory.dmp

    Filesize

    5.7MB

  • memory/4984-27-0x0000000074670000-0x0000000074C21000-memory.dmp

    Filesize

    5.7MB