Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-06-2024 14:14

General

  • Target

    a0f57182eae8eee52b51ced83167862d_JaffaCakes118.exe

  • Size

    330KB

  • MD5

    a0f57182eae8eee52b51ced83167862d

  • SHA1

    d56c18224d1b98ee04000d66d014ec9ba77311fe

  • SHA256

    31219dded5259f7afccf2ff381e2abd5f13f727fec9519ef7eb6a5c7e9d81f63

  • SHA512

    b0fcbed430b4ae2c9c95cd213bc98fe7423b72bb975dd1458359ee9927a2e80f2a4df360a86d7324a3cb7a0829c8887f7036b0c7ccf34d7d340cca746a235920

  • SSDEEP

    6144:uJapYtQKec6AMIABUfHlEaEw8VA5THJBA3/63t:u4YtQKjp6UfHlf8VETpBe/63t

Malware Config

Extracted

Family

njrat

Version

0.7NC

Botnet

NYAN CAT

C2

localhosts.anondns.net:8080

Mutex

d234306b59d14

Attributes
  • reg_key

    d234306b59d14

  • splitter

    @!#&^%$

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a0f57182eae8eee52b51ced83167862d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a0f57182eae8eee52b51ced83167862d_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4296
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -windowstyle hidden -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\a0f57182eae8eee52b51ced83167862d_JaffaCakes118.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\StartupFile.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Drops startup file
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1456

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2om0enat.jog.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1456-14-0x0000000006350000-0x00000000063B6000-memory.dmp

    Filesize

    408KB

  • memory/1456-28-0x0000000006E90000-0x0000000006EAA000-memory.dmp

    Filesize

    104KB

  • memory/1456-13-0x00000000062E0000-0x0000000006346000-memory.dmp

    Filesize

    408KB

  • memory/1456-29-0x0000000006EE0000-0x0000000006F02000-memory.dmp

    Filesize

    136KB

  • memory/1456-27-0x0000000007990000-0x0000000007A26000-memory.dmp

    Filesize

    600KB

  • memory/1456-26-0x00000000069F0000-0x0000000006A3C000-memory.dmp

    Filesize

    304KB

  • memory/1456-7-0x00000000053D0000-0x0000000005406000-memory.dmp

    Filesize

    216KB

  • memory/1456-9-0x0000000005AB0000-0x00000000060D8000-memory.dmp

    Filesize

    6.2MB

  • memory/1456-8-0x0000000075150000-0x0000000075900000-memory.dmp

    Filesize

    7.7MB

  • memory/1456-11-0x0000000075150000-0x0000000075900000-memory.dmp

    Filesize

    7.7MB

  • memory/1456-10-0x0000000075150000-0x0000000075900000-memory.dmp

    Filesize

    7.7MB

  • memory/1456-12-0x0000000006240000-0x0000000006262000-memory.dmp

    Filesize

    136KB

  • memory/1456-25-0x00000000069B0000-0x00000000069CE000-memory.dmp

    Filesize

    120KB

  • memory/1456-17-0x00000000063C0000-0x0000000006714000-memory.dmp

    Filesize

    3.3MB

  • memory/1456-32-0x0000000075150000-0x0000000075900000-memory.dmp

    Filesize

    7.7MB

  • memory/4296-37-0x0000000075150000-0x0000000075900000-memory.dmp

    Filesize

    7.7MB

  • memory/4296-3-0x0000000005430000-0x00000000054A6000-memory.dmp

    Filesize

    472KB

  • memory/4296-6-0x00000000054D0000-0x00000000054EE000-memory.dmp

    Filesize

    120KB

  • memory/4296-5-0x0000000005A60000-0x0000000006004000-memory.dmp

    Filesize

    5.6MB

  • memory/4296-2-0x0000000004CD0000-0x0000000004D6C000-memory.dmp

    Filesize

    624KB

  • memory/4296-4-0x0000000075150000-0x0000000075900000-memory.dmp

    Filesize

    7.7MB

  • memory/4296-1-0x0000000000330000-0x0000000000382000-memory.dmp

    Filesize

    328KB

  • memory/4296-33-0x0000000005510000-0x000000000551C000-memory.dmp

    Filesize

    48KB

  • memory/4296-34-0x00000000062F0000-0x0000000006382000-memory.dmp

    Filesize

    584KB

  • memory/4296-35-0x0000000006260000-0x000000000626A000-memory.dmp

    Filesize

    40KB

  • memory/4296-36-0x000000007515E000-0x000000007515F000-memory.dmp

    Filesize

    4KB

  • memory/4296-0-0x000000007515E000-0x000000007515F000-memory.dmp

    Filesize

    4KB