Analysis

  • max time kernel
    132s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    27-07-2024 16:17

General

  • Target

    78c1fe5e37783f64704335ebae1520f1_JaffaCakes118.exe

  • Size

    705KB

  • MD5

    78c1fe5e37783f64704335ebae1520f1

  • SHA1

    ea937129d39f86899fa0c103d89dd75cb447c518

  • SHA256

    ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa

  • SHA512

    3effec3f9da035c9787078828871d062f72f2d409b8be57778fe64a3b4e2fa836abc51ea34940ab76527a5524d1b5f7b4f69c6745abf243f2d1afab751649b10

  • SSDEEP

    6144:hlSuJBbblPI3sp7ScV1zQWXdo6G8nG4ZUkqa:rHSgf1lKz8ny4

Score
10/10

Malware Config

Extracted

Family

limerat

Attributes
  • aes_key

    IRj3SceatjDfweW/qMMw7g==

  • antivm

    false

  • c2_url

    https://pastebin.com/raw/VWmukkKm

  • delay

    3

  • download_payload

    false

  • install

    true

  • install_name

    Audio Realtek Driver.exe

  • main_folder

    AppData

  • pin_spread

    true

  • sub_folder

    \Audio Realtek Driver\

  • usb_spread

    false

Extracted

Family

limerat

Attributes
  • antivm

    false

  • c2_url

    https://pastebin.com/raw/VWmukkKm

  • 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 2 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\78c1fe5e37783f64704335ebae1520f1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\78c1fe5e37783f64704335ebae1520f1_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1972
    • C:\Users\Admin\AppData\Local\Temp\78c1fe5e37783f64704335ebae1520f1_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\78c1fe5e37783f64704335ebae1520f1_JaffaCakes118.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1996
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\Audio Realtek Driver\Audio Realtek Driver.exe'"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2740
      • C:\Users\Admin\AppData\Roaming\Audio Realtek Driver\Audio Realtek Driver.exe
        "C:\Users\Admin\AppData\Roaming\Audio Realtek Driver\Audio Realtek Driver.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2896
        • C:\Users\Admin\AppData\Roaming\Audio Realtek Driver\Audio Realtek Driver.exe
          "C:\Users\Admin\AppData\Roaming\Audio Realtek Driver\Audio Realtek Driver.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:2932

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Roaming\Audio Realtek Driver\Audio Realtek Driver.exe

    Filesize

    705KB

    MD5

    78c1fe5e37783f64704335ebae1520f1

    SHA1

    ea937129d39f86899fa0c103d89dd75cb447c518

    SHA256

    ed29be13a5ecb1fb3c072b8b398ea9dbeae3c1ae389f9b1eb4519be020c882aa

    SHA512

    3effec3f9da035c9787078828871d062f72f2d409b8be57778fe64a3b4e2fa836abc51ea34940ab76527a5524d1b5f7b4f69c6745abf243f2d1afab751649b10

  • memory/1972-14-0x00000000749B0000-0x000000007509E000-memory.dmp

    Filesize

    6.9MB

  • memory/1972-1-0x00000000002B0000-0x0000000000366000-memory.dmp

    Filesize

    728KB

  • memory/1972-2-0x0000000000680000-0x0000000000688000-memory.dmp

    Filesize

    32KB

  • memory/1972-3-0x00000000749B0000-0x000000007509E000-memory.dmp

    Filesize

    6.9MB

  • memory/1972-0-0x00000000749BE000-0x00000000749BF000-memory.dmp

    Filesize

    4KB

  • memory/1996-4-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1996-9-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1996-13-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1996-11-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1996-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1996-15-0x00000000749B0000-0x000000007509E000-memory.dmp

    Filesize

    6.9MB

  • memory/1996-5-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1996-6-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1996-22-0x00000000749B0000-0x000000007509E000-memory.dmp

    Filesize

    6.9MB

  • memory/1996-25-0x00000000749B0000-0x000000007509E000-memory.dmp

    Filesize

    6.9MB

  • memory/2896-24-0x0000000000F70000-0x0000000001026000-memory.dmp

    Filesize

    728KB

  • memory/2932-33-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB