Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-11-2024 05:13

General

  • Target

    5584c2b407e908d5d0b04969a5fce7c5fd1ec257899ac000694736220f686637N.exe

  • Size

    570KB

  • MD5

    1766236894d13c49a9c18b803f079fd0

  • SHA1

    97e2c466b5cb3cb5eea1d0da26578e45d420a5d6

  • SHA256

    5584c2b407e908d5d0b04969a5fce7c5fd1ec257899ac000694736220f686637

  • SHA512

    2f7e454cd2dc18323f39993d81ce20ed2ee448039be3f33c364a7d2c80f14deee0702d6e4b32fd407c7333de5efad0f06672e91c7e196567c4be8792a12cddc2

  • SSDEEP

    12288:LF6kN+Db1Sk42sC5kQRP31W/su/HFQXmB9T9dnZ:LF6kcnUkdrWHFQWB9T9NZ

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

ameerof.no-ip.org:1177

Mutex

5cd8f17f4086744065eb0992a09e05a2

Attributes
  • reg_key

    5cd8f17f4086744065eb0992a09e05a2

  • splitter

    |'|'|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Program Files directory 6 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 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 33 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5584c2b407e908d5d0b04969a5fce7c5fd1ec257899ac000694736220f686637N.exe
    "C:\Users\Admin\AppData\Local\Temp\5584c2b407e908d5d0b04969a5fce7c5fd1ec257899ac000694736220f686637N.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2216
    • C:\Program Files (x86)\c\sex.exe
      "C:\Program Files (x86)\c\sex.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2540
      • C:\Users\Admin\AppData\Local\Tempserver.exe
        "C:\Users\Admin\AppData\Local\Tempserver.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2660
        • C:\Users\Admin\AppData\Local\Temp\Trojan.exe
          "C:\Users\Admin\AppData\Local\Temp\Trojan.exe"
          4⤵
          • Drops startup file
          • Executes dropped EXE
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2544
          • C:\Windows\SysWOW64\netsh.exe
            netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
            5⤵
            • Modifies Windows Firewall
            • Event Triggered Execution: Netsh Helper DLL
            • System Location Discovery: System Language Discovery
            PID:2980

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Program Files (x86)\c\sex.exe

    Filesize

    151KB

    MD5

    4dba1b52da1ddaf7dc2dc444e4377868

    SHA1

    7a73d8d8e732bce2c70c7b0cc7f206b78b624244

    SHA256

    e85789ca9efef66e7ec1917f16ce0d384e2e41fa07a82ebc6b74aa91499952f5

    SHA512

    5aabf5bbeba7cee8dc923d4ed19540eb4230420e39e3ea9814e784945bfb5fa3cb804025cc50343ea5b0ad919c27d265677999b75ccc1436db17490ce107f656

  • \Users\Admin\AppData\Local\Tempserver.exe

    Filesize

    29KB

    MD5

    fa3edf01c318ab76fa9d0dbe6ca968c0

    SHA1

    613907f6f1583d228354b9d5df0d01408b2593be

    SHA256

    982cb927dd20624d9244acc10e4fa6ece928924691a6e347ab2e38949edf22e1

    SHA512

    0c9c3d38f5cc6550721cfa87d5f7e25aeb1232b4b4b36e2e2de215fac2884888a877c059d0e1c5133d5efb88c2cbdd810f3584540f470693fc4e10a909d11fc8

  • memory/2540-18-0x00000000746AE000-0x00000000746AF000-memory.dmp

    Filesize

    4KB

  • memory/2540-19-0x00000000001B0000-0x00000000001DC000-memory.dmp

    Filesize

    176KB

  • memory/2540-20-0x00000000746A0000-0x0000000074D8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2540-21-0x00000000004B0000-0x00000000004C0000-memory.dmp

    Filesize

    64KB

  • memory/2540-29-0x00000000746A0000-0x0000000074D8E000-memory.dmp

    Filesize

    6.9MB