Analysis

  • max time kernel
    148s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16-09-2024 08:05

General

  • Target

    e456517631e88d6c617afcaf827a95c9_JaffaCakes118.exe

  • Size

    339KB

  • MD5

    e456517631e88d6c617afcaf827a95c9

  • SHA1

    6d8bd9818a2b5ea6b2f3ddd2453ae6df3cedac67

  • SHA256

    da5b0c44c3c33a911038c54ec26d4357f48779b3562dd6afb16e51cd16547c5d

  • SHA512

    d5d7c7b3639b421b146ef10c776b89eff927eb1af89c5d033f76c5341dc1a575ea830d2a6884a04ccbdef2edd24ac0311a4fff86329a5035adb31b9f3b843c5b

  • SSDEEP

    6144:qp3Fy+BoE7P9N6S29r3HwArJngn2lojvCe11qR:wVhF7P9Nz0r3Q+JNOvf1

Score
10/10

Malware Config

Extracted

Family

limerat

Attributes
  • aes_key

    IRj3SceatjDfweW/qMMw7g==

  • antivm

    true

  • c2_url

    https://pastebin.com/raw/p8Be8nNX

  • delay

    3

  • download_payload

    false

  • install

    true

  • install_name

    Windows Update.exe

  • main_folder

    UserProfile

  • pin_spread

    false

  • sub_folder

    \Windows\

  • usb_spread

    false

Extracted

Family

limerat

Attributes
  • antivm

    false

  • c2_url

    https://pastebin.com/raw/p8Be8nNX

  • download_payload

    false

  • install

    false

  • pin_spread

    false

  • usb_spread

    false

Signatures

  • LimeRAT

    Simple yet powerful RAT for Windows machines written in .NET.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e456517631e88d6c617afcaf827a95c9_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e456517631e88d6c617afcaf827a95c9_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:280
    • C:\Users\Admin\AppData\Local\Temp\e456517631e88d6c617afcaf827a95c9_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\e456517631e88d6c617afcaf827a95c9_JaffaCakes118.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3064
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\Windows\Windows Update.exe'"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2980
      • C:\Users\Admin\Windows\Windows Update.exe
        "C:\Users\Admin\Windows\Windows Update.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:396
        • C:\Users\Admin\Windows\Windows Update.exe
          "C:\Users\Admin\Windows\Windows Update.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:2724

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\Windows\Windows Update.exe

    Filesize

    339KB

    MD5

    e456517631e88d6c617afcaf827a95c9

    SHA1

    6d8bd9818a2b5ea6b2f3ddd2453ae6df3cedac67

    SHA256

    da5b0c44c3c33a911038c54ec26d4357f48779b3562dd6afb16e51cd16547c5d

    SHA512

    d5d7c7b3639b421b146ef10c776b89eff927eb1af89c5d033f76c5341dc1a575ea830d2a6884a04ccbdef2edd24ac0311a4fff86329a5035adb31b9f3b843c5b

  • memory/280-1-0x0000000000C80000-0x0000000000CDA000-memory.dmp

    Filesize

    360KB

  • memory/280-2-0x0000000000380000-0x0000000000388000-memory.dmp

    Filesize

    32KB

  • memory/280-3-0x00000000748E0000-0x0000000074FCE000-memory.dmp

    Filesize

    6.9MB

  • memory/280-0-0x00000000748EE000-0x00000000748EF000-memory.dmp

    Filesize

    4KB

  • memory/280-14-0x00000000748E0000-0x0000000074FCE000-memory.dmp

    Filesize

    6.9MB

  • memory/396-24-0x00000000003F0000-0x000000000044A000-memory.dmp

    Filesize

    360KB

  • memory/2724-35-0x00000000000D0000-0x00000000000DC000-memory.dmp

    Filesize

    48KB

  • memory/2724-38-0x00000000000D0000-0x00000000000DC000-memory.dmp

    Filesize

    48KB

  • memory/2724-40-0x00000000000D0000-0x00000000000DC000-memory.dmp

    Filesize

    48KB

  • memory/2724-33-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3064-13-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/3064-15-0x00000000748E0000-0x0000000074FCE000-memory.dmp

    Filesize

    6.9MB

  • memory/3064-17-0x00000000748E0000-0x0000000074FCE000-memory.dmp

    Filesize

    6.9MB

  • memory/3064-4-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/3064-5-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/3064-25-0x00000000748E0000-0x0000000074FCE000-memory.dmp

    Filesize

    6.9MB

  • memory/3064-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3064-9-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/3064-11-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/3064-6-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB