Analysis

  • max time kernel
    148s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-01-2025 02:33

General

  • Target

    JaffaCakes118_85ce86e00afb30ea032310793367cbf1.exe

  • Size

    202KB

  • MD5

    85ce86e00afb30ea032310793367cbf1

  • SHA1

    0b8d31dfaa3a4d4f64ff51c539be3210795fbc01

  • SHA256

    148f3eaea6acf3686f340905d53c9eb3b6cd5c537ba661a227d3303f45ff1ffa

  • SHA512

    15d26c987cc2a122c13eefd458ebc40ad6e4ed83bb61d139af16a1d3eecd78ed98272f63a219acad086625a8fa7678b896de76f792804c868a18c39f483a98f4

  • SSDEEP

    384:ySe8ng4k586MSXLhtv26SMHzWANpSOPNQ1SU/U+l+H5NUclkKAqY1BslRGQZWMVJ:yf8ngf51MgzzDhGxMVJ

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

192.168.10.6:1177

Mutex

ca8e9a6c0e538fdec08f199c20453f00

Attributes
  • reg_key

    ca8e9a6c0e538fdec08f199c20453f00

  • splitter

    |'|'|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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 3 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 35 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_85ce86e00afb30ea032310793367cbf1.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_85ce86e00afb30ea032310793367cbf1.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2688
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2492
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2952

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\server.exe

    Filesize

    202KB

    MD5

    85ce86e00afb30ea032310793367cbf1

    SHA1

    0b8d31dfaa3a4d4f64ff51c539be3210795fbc01

    SHA256

    148f3eaea6acf3686f340905d53c9eb3b6cd5c537ba661a227d3303f45ff1ffa

    SHA512

    15d26c987cc2a122c13eefd458ebc40ad6e4ed83bb61d139af16a1d3eecd78ed98272f63a219acad086625a8fa7678b896de76f792804c868a18c39f483a98f4

  • memory/2492-11-0x0000000074A10000-0x00000000750FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2492-13-0x0000000000D70000-0x0000000000DA8000-memory.dmp

    Filesize

    224KB

  • memory/2492-14-0x0000000074A10000-0x00000000750FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2492-15-0x0000000074A10000-0x00000000750FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2492-16-0x0000000074A10000-0x00000000750FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2688-0-0x0000000074A1E000-0x0000000074A1F000-memory.dmp

    Filesize

    4KB

  • memory/2688-1-0x00000000010D0000-0x0000000001108000-memory.dmp

    Filesize

    224KB

  • memory/2688-2-0x0000000074A10000-0x00000000750FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2688-3-0x00000000004F0000-0x00000000004FC000-memory.dmp

    Filesize

    48KB

  • memory/2688-12-0x0000000074A10000-0x00000000750FE000-memory.dmp

    Filesize

    6.9MB