Analysis

  • max time kernel
    93s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-12-2024 15:21

General

  • Target

    fc140a218780fadbbcd7570fb7e6df3f_JaffaCakes118.exe

  • Size

    60KB

  • MD5

    fc140a218780fadbbcd7570fb7e6df3f

  • SHA1

    96b6e8c81f4c9b2e338bd5be3b538d759b9cca2c

  • SHA256

    1194aebc9a0016084f6966b07a171e4c62ce1b21580d177a876873641692ee13

  • SHA512

    d4754d4efad60d145138d4056c18691f14de76a1d916c0b0a70fd180680ce010720c0bd101338b3c583176291549bda81a91b0a21410da0ea1dd65f651c04675

  • SSDEEP

    768:ZOucKn7n1JFDNANIU+/ovLDwUzc80gmq3oP/oDt:ZO2FDNAPjr/0O8/op

Malware Config

Signatures

  • Nitro

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

  • Nitro family
  • Renames multiple (110) 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\fc140a218780fadbbcd7570fb7e6df3f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fc140a218780fadbbcd7570fb7e6df3f_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:3572
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1268
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic csproduct get uuid
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2800

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3572-0-0x000000007518E000-0x000000007518F000-memory.dmp

    Filesize

    4KB

  • memory/3572-1-0x0000000000D80000-0x0000000000D96000-memory.dmp

    Filesize

    88KB

  • memory/3572-2-0x0000000005C20000-0x00000000061C4000-memory.dmp

    Filesize

    5.6MB

  • memory/3572-3-0x0000000005750000-0x00000000057E2000-memory.dmp

    Filesize

    584KB

  • memory/3572-4-0x0000000075180000-0x0000000075930000-memory.dmp

    Filesize

    7.7MB

  • memory/3572-17-0x000000007518E000-0x000000007518F000-memory.dmp

    Filesize

    4KB

  • memory/3572-21-0x0000000075180000-0x0000000075930000-memory.dmp

    Filesize

    7.7MB

  • memory/3572-119-0x00000000070F0000-0x00000000070FA000-memory.dmp

    Filesize

    40KB

  • memory/3572-120-0x0000000075180000-0x0000000075930000-memory.dmp

    Filesize

    7.7MB

  • memory/3572-121-0x0000000075180000-0x0000000075930000-memory.dmp

    Filesize

    7.7MB

  • memory/3572-122-0x0000000075180000-0x0000000075930000-memory.dmp

    Filesize

    7.7MB

  • memory/3572-123-0x0000000075180000-0x0000000075930000-memory.dmp

    Filesize

    7.7MB