Analysis

  • max time kernel
    94s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-12-2024 02:11

General

  • Target

    fe06de32fb4c4669f1a2f89bbe07ebbd_JaffaCakes118.exe

  • Size

    60KB

  • MD5

    fe06de32fb4c4669f1a2f89bbe07ebbd

  • SHA1

    7649c0dcc88063fb5ac2bcbac7ff667da71d3b79

  • SHA256

    a06bbb0e419c7a96625a26261b8d3d2307bcb27c724cb339f4e903bb9965d61b

  • SHA512

    cd6ad7d40a86b8bf3a4a4c226bcb0ccf7e246f9d561c0d0b043efb90f017804f06652e65a02353d52de5632909640cb49b7dd4e7e042911a7ec6c95f9c4d8ff8

  • SSDEEP

    768:3OucKn7n1JGDNANIUoLvLDwUzc80gmq3oP/oDN:3O2GDNAPkr/0O8/oB

Malware Config

Signatures

  • Nitro

    A ransomware that demands Discord nitro gift codes to decrypt files.

  • Nitro family
  • Renames multiple (89) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops desktop.ini file(s) 5 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 6 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 43 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fe06de32fb4c4669f1a2f89bbe07ebbd_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fe06de32fb4c4669f1a2f89bbe07ebbd_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Sets desktop wallpaper using registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2108
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3008
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic csproduct get uuid
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:4812

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2108-0-0x00000000753AE000-0x00000000753AF000-memory.dmp

    Filesize

    4KB

  • memory/2108-1-0x00000000006D0000-0x00000000006E6000-memory.dmp

    Filesize

    88KB

  • memory/2108-2-0x0000000005620000-0x0000000005BC4000-memory.dmp

    Filesize

    5.6MB

  • memory/2108-3-0x0000000005110000-0x00000000051A2000-memory.dmp

    Filesize

    584KB

  • memory/2108-4-0x00000000753A0000-0x0000000075B50000-memory.dmp

    Filesize

    7.7MB

  • memory/2108-23-0x00000000753AE000-0x00000000753AF000-memory.dmp

    Filesize

    4KB

  • memory/2108-26-0x00000000753A0000-0x0000000075B50000-memory.dmp

    Filesize

    7.7MB

  • memory/2108-98-0x0000000005E40000-0x0000000005E4A000-memory.dmp

    Filesize

    40KB

  • memory/2108-99-0x00000000753A0000-0x0000000075B50000-memory.dmp

    Filesize

    7.7MB

  • memory/2108-100-0x00000000753A0000-0x0000000075B50000-memory.dmp

    Filesize

    7.7MB

  • memory/2108-101-0x00000000753A0000-0x0000000075B50000-memory.dmp

    Filesize

    7.7MB

  • memory/2108-102-0x00000000753A0000-0x0000000075B50000-memory.dmp

    Filesize

    7.7MB