Analysis

  • max time kernel
    191s
  • max time network
    214s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 16:01

General

  • Target

    5773e88b0b55132c3b842bb1d50142926a6b15834cbad09ee3754f8b362c2bb6.exe

  • Size

    29KB

  • MD5

    c043beee3a6c992bd5207fffa133dfbd

  • SHA1

    815960f2b40b45574e207e2c7858aadca4fe0125

  • SHA256

    5773e88b0b55132c3b842bb1d50142926a6b15834cbad09ee3754f8b362c2bb6

  • SHA512

    5091cae286f578c1898c9f6e921395125ec9e59d12792f2a1f883ef3f81a68442d744966d5b20fab57ce22d500f6c7bdfe1327f81781bc4d3a5677a9822106bc

  • SSDEEP

    384:bxUHEBl7p3hUw2s7bD55gEKemqDSqre/IDGBsbh0w4wlAokw9OhgOL1vYRGOZzD1:b17bUw2C3kEcqNreHBKh0p29SgRF/

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

yasser77.no-ip.org:1177

Mutex

5cd8f17f4086744065eb0992a09e05a2

Attributes
  • reg_key

    5cd8f17f4086744065eb0992a09e05a2

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5773e88b0b55132c3b842bb1d50142926a6b15834cbad09ee3754f8b362c2bb6.exe
    "C:\Users\Admin\AppData\Local\Temp\5773e88b0b55132c3b842bb1d50142926a6b15834cbad09ee3754f8b362c2bb6.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1256
    • C:\Users\Admin\AppData\Local\Temp\Trojan.exe
      "C:\Users\Admin\AppData\Local\Temp\Trojan.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1456
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:1156

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    29KB

    MD5

    c043beee3a6c992bd5207fffa133dfbd

    SHA1

    815960f2b40b45574e207e2c7858aadca4fe0125

    SHA256

    5773e88b0b55132c3b842bb1d50142926a6b15834cbad09ee3754f8b362c2bb6

    SHA512

    5091cae286f578c1898c9f6e921395125ec9e59d12792f2a1f883ef3f81a68442d744966d5b20fab57ce22d500f6c7bdfe1327f81781bc4d3a5677a9822106bc

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

    Filesize

    29KB

    MD5

    c043beee3a6c992bd5207fffa133dfbd

    SHA1

    815960f2b40b45574e207e2c7858aadca4fe0125

    SHA256

    5773e88b0b55132c3b842bb1d50142926a6b15834cbad09ee3754f8b362c2bb6

    SHA512

    5091cae286f578c1898c9f6e921395125ec9e59d12792f2a1f883ef3f81a68442d744966d5b20fab57ce22d500f6c7bdfe1327f81781bc4d3a5677a9822106bc

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

    Filesize

    29KB

    MD5

    c043beee3a6c992bd5207fffa133dfbd

    SHA1

    815960f2b40b45574e207e2c7858aadca4fe0125

    SHA256

    5773e88b0b55132c3b842bb1d50142926a6b15834cbad09ee3754f8b362c2bb6

    SHA512

    5091cae286f578c1898c9f6e921395125ec9e59d12792f2a1f883ef3f81a68442d744966d5b20fab57ce22d500f6c7bdfe1327f81781bc4d3a5677a9822106bc

  • memory/1156-62-0x0000000000000000-mapping.dmp

  • memory/1256-54-0x0000000075D01000-0x0000000075D03000-memory.dmp

    Filesize

    8KB

  • memory/1256-57-0x0000000074300000-0x00000000748AB000-memory.dmp

    Filesize

    5.7MB

  • memory/1256-61-0x0000000074300000-0x00000000748AB000-memory.dmp

    Filesize

    5.7MB

  • memory/1456-56-0x0000000000000000-mapping.dmp

  • memory/1456-64-0x0000000074300000-0x00000000748AB000-memory.dmp

    Filesize

    5.7MB

  • memory/1456-65-0x0000000074300000-0x00000000748AB000-memory.dmp

    Filesize

    5.7MB