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
    19-12-2024 10:49

General

  • Target

    9aafec84d6060dacd9a7c13f1cd7f37320d4215fdf64628c0098f97e1f8e855d.exe

  • Size

    114KB

  • MD5

    1acd96209fcd1434a4a8a7095645b743

  • SHA1

    ec2ffcb8adaab965e45be5926063a9eb782e08df

  • SHA256

    9aafec84d6060dacd9a7c13f1cd7f37320d4215fdf64628c0098f97e1f8e855d

  • SHA512

    8ad229d4dcbf518655275dff7bd4f0baa5b4d1079f9344a8bc80f11815d114e2dc44ce8432bd3c67e7fb385c3f535274217cce04984279a7d90452f9c4ceb9df

  • SSDEEP

    1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73RmS:w5eznsjsguGDFqGx8egoxmO3rRmS

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\9aafec84d6060dacd9a7c13f1cd7f37320d4215fdf64628c0098f97e1f8e855d.exe
    "C:\Users\Admin\AppData\Local\Temp\9aafec84d6060dacd9a7c13f1cd7f37320d4215fdf64628c0098f97e1f8e855d.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4768
    • 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:2756
      • 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:1920
        • 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:1056

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

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

    642fb4a2dcce9404eaca45c99b086c90

    SHA1

    9b05f9938dc342172c476fa85e4a99ef6d6815ab

    SHA256

    7b49c89e60ca3c13f7a09e9adef5741dd83a044ad22ab524b4006d467707b5da

    SHA512

    4492bbe6bf45b71e94935f2f936f0fcc25a0cea659bd691f4cb5cf3ad2b2bbab372c3a80f8515086857a431b6f7bf1441d91f4ba2f7b74ecdeff3a33161c4d6f

  • memory/1920-23-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1920-30-0x0000000074750000-0x0000000074D01000-memory.dmp

    Filesize

    5.7MB

  • memory/1920-27-0x0000000074750000-0x0000000074D01000-memory.dmp

    Filesize

    5.7MB

  • memory/1920-29-0x0000000074750000-0x0000000074D01000-memory.dmp

    Filesize

    5.7MB

  • memory/2756-20-0x0000000074750000-0x0000000074D01000-memory.dmp

    Filesize

    5.7MB

  • memory/2756-22-0x0000000074750000-0x0000000074D01000-memory.dmp

    Filesize

    5.7MB

  • memory/2756-21-0x0000000074750000-0x0000000074D01000-memory.dmp

    Filesize

    5.7MB

  • memory/2756-28-0x0000000074750000-0x0000000074D01000-memory.dmp

    Filesize

    5.7MB

  • memory/4768-0-0x0000000074752000-0x0000000074753000-memory.dmp

    Filesize

    4KB

  • memory/4768-19-0x0000000074750000-0x0000000074D01000-memory.dmp

    Filesize

    5.7MB

  • memory/4768-6-0x0000000074752000-0x0000000074753000-memory.dmp

    Filesize

    4KB

  • memory/4768-7-0x0000000074750000-0x0000000074D01000-memory.dmp

    Filesize

    5.7MB

  • memory/4768-1-0x0000000074750000-0x0000000074D01000-memory.dmp

    Filesize

    5.7MB

  • memory/4768-2-0x0000000074750000-0x0000000074D01000-memory.dmp

    Filesize

    5.7MB