Analysis

  • max time kernel
    146s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-12-2024 00:44

General

  • Target

    a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb.exe

  • Size

    115KB

  • MD5

    6e969005cdd76dbd9d165152e7809863

  • SHA1

    9d61a85b63175b898fbdce93c75f779944864166

  • SHA256

    a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb

  • SHA512

    333d8b8f95ee7f33635c4d99b7258730f5393cdd510a619c968c28404d3f7eb0e58ad2dcad76aa537b36c6e4e5c911252cbd13ec1b8aa98e68ad1fc455bd0257

  • SSDEEP

    1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73R8fLl:w5eznsjsguGDFqGx8egoxmO3rR8Tl

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

C2

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes
  • reg_key

    e1a87040f2026369a233f9ae76301b7b

  • splitter

    |'|'|

Signatures

  • Njrat family
  • 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\a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb.exe
    "C:\Users\Admin\AppData\Local\Temp\a2658a0198e68079523bf12805ca3804f4662dd6909b07b48c1cf47e73a162cb.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2872
    • 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:2068
      • 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:1164
        • 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:5100

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

    e07ff2b3b37f9b5be463687303b7b806

    SHA1

    e10af08259dec0b74dfb614140f277377e475e0d

    SHA256

    64b468b8a1356a0556ac416ef2e2f10abc466e5dbde5d0c2edeaec089e174804

    SHA512

    ac8df27efc4000279d344a0d1bfeae2a7b59f8a359144e31c26acd4040a53a9166072bbd0d4f401d08d24b1355ab3e1ad0f529d9a03439a8dfe9b39730be267a

  • memory/1164-32-0x0000000074D30000-0x00000000752E1000-memory.dmp

    Filesize

    5.7MB

  • memory/1164-31-0x0000000074D30000-0x00000000752E1000-memory.dmp

    Filesize

    5.7MB

  • memory/1164-30-0x0000000074D30000-0x00000000752E1000-memory.dmp

    Filesize

    5.7MB

  • memory/1164-29-0x0000000074D30000-0x00000000752E1000-memory.dmp

    Filesize

    5.7MB

  • memory/1164-27-0x0000000074D30000-0x00000000752E1000-memory.dmp

    Filesize

    5.7MB

  • memory/1164-23-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2068-28-0x0000000074D30000-0x00000000752E1000-memory.dmp

    Filesize

    5.7MB

  • memory/2068-21-0x0000000074D30000-0x00000000752E1000-memory.dmp

    Filesize

    5.7MB

  • memory/2068-22-0x0000000074D30000-0x00000000752E1000-memory.dmp

    Filesize

    5.7MB

  • memory/2872-7-0x0000000074D30000-0x00000000752E1000-memory.dmp

    Filesize

    5.7MB

  • memory/2872-19-0x0000000074D30000-0x00000000752E1000-memory.dmp

    Filesize

    5.7MB

  • memory/2872-20-0x0000000074D30000-0x00000000752E1000-memory.dmp

    Filesize

    5.7MB

  • memory/2872-0-0x0000000074D32000-0x0000000074D33000-memory.dmp

    Filesize

    4KB

  • memory/2872-6-0x0000000074D32000-0x0000000074D33000-memory.dmp

    Filesize

    4KB

  • memory/2872-2-0x0000000074D30000-0x00000000752E1000-memory.dmp

    Filesize

    5.7MB

  • memory/2872-1-0x0000000074D30000-0x00000000752E1000-memory.dmp

    Filesize

    5.7MB