Analysis

  • max time kernel
    149s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-10-2024 18:42

General

  • Target

    101b558457868065952e67ed8db39e07_JaffaCakes118.exe

  • Size

    199KB

  • MD5

    101b558457868065952e67ed8db39e07

  • SHA1

    dd1e73f1d4539abf7f70c6cae16d8466093cf99b

  • SHA256

    b6e7072f1cafe3fc7ddc0e2dbb1e40b997b3824d606572ead26c33fefb20f153

  • SHA512

    9e09d15a18c6d7ef8e4fbd754da3830ca6fa4f6ece1ed28594fa63622ad0fb66f80a2c45ad9f777a9d8b1680cf7a8c1266a3bf3963fd1f6a725b046c4140287f

  • SSDEEP

    3072:FJsyAT6sLPy3bY3ylNpFCJKZMlrREFwazl1V/ILnElcbTytIFuqlyyCfPH6Zxs/5:gyAT/D2Y3y/uSMxR4pbEA2ixpIf

Malware Config

Signatures

  • Nitro

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

  • Renames multiple (81) 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\101b558457868065952e67ed8db39e07_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\101b558457868065952e67ed8db39e07_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:4680
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3448
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic csproduct get uuid
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2056

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4680-0-0x00000000753BE000-0x00000000753BF000-memory.dmp

    Filesize

    4KB

  • memory/4680-1-0x0000000000890000-0x00000000008C8000-memory.dmp

    Filesize

    224KB

  • memory/4680-2-0x0000000005980000-0x0000000005F24000-memory.dmp

    Filesize

    5.6MB

  • memory/4680-3-0x0000000005320000-0x00000000053B2000-memory.dmp

    Filesize

    584KB

  • memory/4680-4-0x00000000753B0000-0x0000000075B60000-memory.dmp

    Filesize

    7.7MB

  • memory/4680-5-0x00000000753B0000-0x0000000075B60000-memory.dmp

    Filesize

    7.7MB

  • memory/4680-6-0x00000000753BE000-0x00000000753BF000-memory.dmp

    Filesize

    4KB

  • memory/4680-9-0x00000000753B0000-0x0000000075B60000-memory.dmp

    Filesize

    7.7MB

  • memory/4680-32-0x00000000753B0000-0x0000000075B60000-memory.dmp

    Filesize

    7.7MB

  • memory/4680-90-0x0000000008D60000-0x0000000008D6E000-memory.dmp

    Filesize

    56KB

  • memory/4680-91-0x00000000753B0000-0x0000000075B60000-memory.dmp

    Filesize

    7.7MB

  • memory/4680-94-0x0000000008370000-0x000000000837A000-memory.dmp

    Filesize

    40KB

  • memory/4680-95-0x00000000753B0000-0x0000000075B60000-memory.dmp

    Filesize

    7.7MB

  • memory/4680-96-0x00000000753B0000-0x0000000075B60000-memory.dmp

    Filesize

    7.7MB

  • memory/4680-97-0x00000000753B0000-0x0000000075B60000-memory.dmp

    Filesize

    7.7MB