Analysis

  • max time kernel
    94s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-10-2024 05:05

General

  • Target

    164651e3f142e4aec14ea0716a217064_JaffaCakes118.exe

  • Size

    88KB

  • MD5

    164651e3f142e4aec14ea0716a217064

  • SHA1

    63b608ba0c59407c312a83ee788392c99bc13642

  • SHA256

    c00db1eba5ba7fcd234c6a568ff9ae60bb3f343da199d0db8cd9b11308603a4d

  • SHA512

    6bef7221251a851b35c12c3f0c50d5d8412601e97f49a273e5da1b62dcf70d0841d864e625ee01b89f0b69866be7ab3b3f65f3ef577a97297de04f4bd035fe20

  • SSDEEP

    768:1SKncH7WavCd2ULDwUzc8Ugmq3oP/oD75x1Yte1FmIOfTf9fgflfFf5fjfRfTf0c:1SxNQr/UO8/ofCtHI/DqSVFvTd

Malware Config

Signatures

  • Nitro

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

  • 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
  • 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\164651e3f142e4aec14ea0716a217064_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\164651e3f142e4aec14ea0716a217064_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:776
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1388
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic csproduct get uuid
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:1672

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/776-0-0x00000000752EE000-0x00000000752EF000-memory.dmp

    Filesize

    4KB

  • memory/776-1-0x00000000003C0000-0x00000000003DC000-memory.dmp

    Filesize

    112KB

  • memory/776-2-0x0000000005280000-0x0000000005824000-memory.dmp

    Filesize

    5.6MB

  • memory/776-3-0x0000000004DB0000-0x0000000004E42000-memory.dmp

    Filesize

    584KB

  • memory/776-4-0x00000000752E0000-0x0000000075A90000-memory.dmp

    Filesize

    7.7MB

  • memory/776-23-0x00000000752EE000-0x00000000752EF000-memory.dmp

    Filesize

    4KB

  • memory/776-29-0x00000000752E0000-0x0000000075A90000-memory.dmp

    Filesize

    7.7MB

  • memory/776-98-0x0000000005CD0000-0x0000000005CDA000-memory.dmp

    Filesize

    40KB

  • memory/776-99-0x00000000752E0000-0x0000000075A90000-memory.dmp

    Filesize

    7.7MB

  • memory/776-100-0x00000000752E0000-0x0000000075A90000-memory.dmp

    Filesize

    7.7MB

  • memory/776-101-0x00000000752E0000-0x0000000075A90000-memory.dmp

    Filesize

    7.7MB

  • memory/776-102-0x00000000752E0000-0x0000000075A90000-memory.dmp

    Filesize

    7.7MB