Analysis

  • max time kernel
    95s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2024 11:24

General

  • Target

    62866a7e6fea7ab746c347c7ae8f608dfd068f504c14dd20c1cc2880f718f9a4N.exe

  • Size

    131KB

  • MD5

    efb960662e44c7adae27bc3befb3abb0

  • SHA1

    39e5b584024f4767a406c97cb3d5680b0dc80953

  • SHA256

    62866a7e6fea7ab746c347c7ae8f608dfd068f504c14dd20c1cc2880f718f9a4

  • SHA512

    b3caa53496f92120f86307ff2b4a82f79a9b496cd1386fe8c283a83e9ec381232391a962cff99418410305c60e1e0bc37a9196c292dfa73fc003cfcb496fe858

  • SSDEEP

    3072:ibxSTpiG8wMZJYKR5Gevfj7rZyqEX25Ny5k1jNfLbv:ibx4ij9LjlvYX25Y5kxpf

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

systemftp.serveftp.com:19495

Mutex

c154dc1439ce42713df8b7de38bd1b02

Attributes
  • reg_key

    c154dc1439ce42713df8b7de38bd1b02

  • splitter

    |'|'|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\62866a7e6fea7ab746c347c7ae8f608dfd068f504c14dd20c1cc2880f718f9a4N.exe
    "C:\Users\Admin\AppData\Local\Temp\62866a7e6fea7ab746c347c7ae8f608dfd068f504c14dd20c1cc2880f718f9a4N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1964
    • C:\Users\Admin\AppData\Local\Temp\62866a7e6fea7ab746c347c7ae8f608dfd068f504c14dd20c1cc2880f718f9a4N.exe
      C:\Users\Admin\AppData\Local\Temp\62866a7e6fea7ab746c347c7ae8f608dfd068f504c14dd20c1cc2880f718f9a4N.exe
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1048
      • C:\Users\Admin\AppData\Local\Temp\system.exe
        "C:\Users\Admin\AppData\Local\Temp\system.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:372
        • C:\Users\Admin\AppData\Local\Temp\system.exe
          C:\Users\Admin\AppData\Local\Temp\system.exe
          4⤵
            PID:904

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\62866a7e6fea7ab746c347c7ae8f608dfd068f504c14dd20c1cc2880f718f9a4N.exe.log

      Filesize

      1KB

      MD5

      d877b9adec4c4155705df946ec27923c

      SHA1

      0f56c221315c1867458a13822110b0c63f4d17db

      SHA256

      0fa01df83badec34b3192988c36fd82cee9a57ba8d32a1d4f9b89c12aae1a176

      SHA512

      e76159c58fc19decf63f7257ca5c1f463ed79f52b76bfd27651a580c45be2ff057e03d5dde1c5ad797f65004800bf1d7e980d0572f2cfc891f01dbb8bb723f92

    • C:\Users\Admin\AppData\Local\Temp\system.exe

      Filesize

      131KB

      MD5

      efb960662e44c7adae27bc3befb3abb0

      SHA1

      39e5b584024f4767a406c97cb3d5680b0dc80953

      SHA256

      62866a7e6fea7ab746c347c7ae8f608dfd068f504c14dd20c1cc2880f718f9a4

      SHA512

      b3caa53496f92120f86307ff2b4a82f79a9b496cd1386fe8c283a83e9ec381232391a962cff99418410305c60e1e0bc37a9196c292dfa73fc003cfcb496fe858

    • memory/372-49-0x0000000074B80000-0x0000000075330000-memory.dmp

      Filesize

      7.7MB

    • memory/372-42-0x0000000074B80000-0x0000000075330000-memory.dmp

      Filesize

      7.7MB

    • memory/372-41-0x0000000074B80000-0x0000000075330000-memory.dmp

      Filesize

      7.7MB

    • memory/1048-20-0x0000000000400000-0x000000000040C000-memory.dmp

      Filesize

      48KB

    • memory/1048-43-0x0000000074B80000-0x0000000075330000-memory.dmp

      Filesize

      7.7MB

    • memory/1048-25-0x0000000074B80000-0x0000000075330000-memory.dmp

      Filesize

      7.7MB

    • memory/1964-22-0x0000000074B80000-0x0000000075330000-memory.dmp

      Filesize

      7.7MB

    • memory/1964-28-0x0000000074B80000-0x0000000075330000-memory.dmp

      Filesize

      7.7MB

    • memory/1964-0-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

      Filesize

      4KB

    • memory/1964-23-0x0000000074B80000-0x0000000075330000-memory.dmp

      Filesize

      7.7MB

    • memory/1964-24-0x0000000074B80000-0x0000000075330000-memory.dmp

      Filesize

      7.7MB

    • memory/1964-7-0x0000000074B80000-0x0000000075330000-memory.dmp

      Filesize

      7.7MB

    • memory/1964-26-0x000000000AF30000-0x000000000AF48000-memory.dmp

      Filesize

      96KB

    • memory/1964-8-0x0000000002B40000-0x0000000002B4A000-memory.dmp

      Filesize

      40KB

    • memory/1964-6-0x0000000007770000-0x000000000777A000-memory.dmp

      Filesize

      40KB

    • memory/1964-5-0x0000000007840000-0x00000000078D2000-memory.dmp

      Filesize

      584KB

    • memory/1964-4-0x0000000007DF0000-0x0000000008394000-memory.dmp

      Filesize

      5.6MB

    • memory/1964-3-0x00000000077A0000-0x000000000783C000-memory.dmp

      Filesize

      624KB

    • memory/1964-2-0x0000000005280000-0x00000000052D8000-memory.dmp

      Filesize

      352KB

    • memory/1964-1-0x0000000000810000-0x0000000000838000-memory.dmp

      Filesize

      160KB