Analysis

  • max time kernel
    147s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2024 02:20

General

  • Target

    3d806b76a162faeed54de273a7c4965fbb18973aec1158cbbdf1efcd553c2a18.exe

  • Size

    113KB

  • MD5

    35114bc980d4d737f8f5e9c0eed79f91

  • SHA1

    c47cc7f5d9547c530babad777c45506bcd983ad0

  • SHA256

    3d806b76a162faeed54de273a7c4965fbb18973aec1158cbbdf1efcd553c2a18

  • SHA512

    705a1ecb277b048574ef4056f5131804b62f077ce1cb085e5dec40d558f97e95d882539f072402541aaa8e54c26768dea8d0f53fdb86ff9cc83b3b991158d17b

  • SSDEEP

    1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73vrU:w5eznsjsguGDFqGx8egoxmO3rvA

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\3d806b76a162faeed54de273a7c4965fbb18973aec1158cbbdf1efcd553c2a18.exe
    "C:\Users\Admin\AppData\Local\Temp\3d806b76a162faeed54de273a7c4965fbb18973aec1158cbbdf1efcd553c2a18.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:764
    • 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:1916
      • 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:5056
        • 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:864

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

    113KB

    MD5

    61ff6520fec590110313b0514fc38b72

    SHA1

    bec1993b532590f66ea1b0940d466fdba4c19090

    SHA256

    45643f3353dae5fdc4056b39c8f56154a925ea78f44d895b699465313ab2a33f

    SHA512

    766abfa1c9bbcb4ccdcca2e1511a02c2b04f6715c90292adceaa31e1b4051ed27b35039623d10c0be63d9f4d9ab0d7b9522b4a6ede2ad09129de66253beaa25b

  • memory/764-0-0x0000000075162000-0x0000000075163000-memory.dmp

    Filesize

    4KB

  • memory/764-1-0x0000000075160000-0x0000000075711000-memory.dmp

    Filesize

    5.7MB

  • memory/764-2-0x0000000075160000-0x0000000075711000-memory.dmp

    Filesize

    5.7MB

  • memory/764-6-0x0000000075162000-0x0000000075163000-memory.dmp

    Filesize

    4KB

  • memory/764-18-0x0000000075160000-0x0000000075711000-memory.dmp

    Filesize

    5.7MB

  • memory/764-19-0x0000000075160000-0x0000000075711000-memory.dmp

    Filesize

    5.7MB

  • memory/1916-21-0x0000000075160000-0x0000000075711000-memory.dmp

    Filesize

    5.7MB

  • memory/1916-20-0x0000000075160000-0x0000000075711000-memory.dmp

    Filesize

    5.7MB

  • memory/1916-27-0x0000000075160000-0x0000000075711000-memory.dmp

    Filesize

    5.7MB

  • memory/5056-22-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/5056-26-0x0000000075160000-0x0000000075711000-memory.dmp

    Filesize

    5.7MB

  • memory/5056-29-0x0000000075160000-0x0000000075711000-memory.dmp

    Filesize

    5.7MB

  • memory/5056-28-0x0000000075160000-0x0000000075711000-memory.dmp

    Filesize

    5.7MB

  • memory/5056-30-0x0000000075160000-0x0000000075711000-memory.dmp

    Filesize

    5.7MB

  • memory/5056-31-0x0000000075160000-0x0000000075711000-memory.dmp

    Filesize

    5.7MB