Analysis

  • max time kernel
    150s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-11-2024 22:37

General

  • Target

    34f1e944ee9e48ae1ba3b43332879543eaed77e3072dd15d2b2bc8c13aca746e.exe

  • Size

    117KB

  • MD5

    e7f089e6b8a346d8d997865ea9da9803

  • SHA1

    39a34d91883d78aed59022ad02f65af4a13632c6

  • SHA256

    34f1e944ee9e48ae1ba3b43332879543eaed77e3072dd15d2b2bc8c13aca746e

  • SHA512

    cbbb4a7092a9d370978c9525df7ac4eb814193365a3e4978c260cceecf7c90312edb29b6acc15a9db9ff9b84ed34b1368be99f49cac4af48fb193885dc183604

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLVg1:P5eznsjsguGDFqGZ2rDLY

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\34f1e944ee9e48ae1ba3b43332879543eaed77e3072dd15d2b2bc8c13aca746e.exe
    "C:\Users\Admin\AppData\Local\Temp\34f1e944ee9e48ae1ba3b43332879543eaed77e3072dd15d2b2bc8c13aca746e.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4804
    • 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:2532
      • 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:2212
        • 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:1664

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

    117KB

    MD5

    152397bf9b04d0e90c92b9c7ad99841d

    SHA1

    a126c6fc57d9ee4e4787d5527530bce74dd94cb8

    SHA256

    d338ba3f5c61488e0440417dcbbe4af512f2effbb3ffce0917917b4b3a097f32

    SHA512

    e24664d3503759d0451853e5d3a3a6cbe0fb9e550670dcc08c30124470a9b4ba5353c59bc5dde6fdc4fb0a719bccf736d3c57cc0ce7781f7b1c350b4af5236f9

  • memory/2212-31-0x0000000074850000-0x0000000074E01000-memory.dmp

    Filesize

    5.7MB

  • memory/2212-29-0x0000000074850000-0x0000000074E01000-memory.dmp

    Filesize

    5.7MB

  • memory/2212-30-0x0000000074850000-0x0000000074E01000-memory.dmp

    Filesize

    5.7MB

  • memory/2212-24-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2532-23-0x0000000074850000-0x0000000074E01000-memory.dmp

    Filesize

    5.7MB

  • memory/2532-28-0x0000000074850000-0x0000000074E01000-memory.dmp

    Filesize

    5.7MB

  • memory/2532-21-0x0000000074850000-0x0000000074E01000-memory.dmp

    Filesize

    5.7MB

  • memory/2532-22-0x0000000074850000-0x0000000074E01000-memory.dmp

    Filesize

    5.7MB

  • memory/4804-7-0x0000000074850000-0x0000000074E01000-memory.dmp

    Filesize

    5.7MB

  • memory/4804-20-0x0000000074850000-0x0000000074E01000-memory.dmp

    Filesize

    5.7MB

  • memory/4804-15-0x0000000074850000-0x0000000074E01000-memory.dmp

    Filesize

    5.7MB

  • memory/4804-0-0x0000000074852000-0x0000000074853000-memory.dmp

    Filesize

    4KB

  • memory/4804-6-0x0000000074852000-0x0000000074853000-memory.dmp

    Filesize

    4KB

  • memory/4804-2-0x0000000074850000-0x0000000074E01000-memory.dmp

    Filesize

    5.7MB

  • memory/4804-1-0x0000000074850000-0x0000000074E01000-memory.dmp

    Filesize

    5.7MB