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Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/01/2025, 10:40

General

  • Target

    CandyDDoser-installer-15.4.1.exe

  • Size

    28KB

  • MD5

    f73dfb6f1169032be3b281bfecd8e27a

  • SHA1

    6b487113f260ed17b0a3b4c3ecab199e57c7d0bf

  • SHA256

    2278dd8c09c9f6967d1414a6254ea386fec564baea3956faeadca3a51eb0fddf

  • SHA512

    b2298c03be51d8681aad8a52bb703b5da70dc522f8765aadd2ae91680672079983b3345923687b2617aa240bd31f14bc9ad029ef87fbd91563b10f4d41b0a98f

  • SSDEEP

    384:qB+Sbj6NKAxZ86PTAHdWjWqDs5gGk80vDKNrCeJE3WNgbjW2ScklNeEe1bsxNEQi:ApaO6PTwdH5gGv645NwabeEe1baQdj

Score
10/10

Malware Config

Extracted

Family

limerat

Attributes
  • aes_key

    placek

  • antivm

    true

  • c2_url

    https://pastebin.com/raw/hj9UaNnk

  • delay

    3

  • download_payload

    false

  • install

    true

  • install_name

    CandyDDoser-installer-15.4.1.exe

  • main_folder

    AppData

  • pin_spread

    true

  • sub_folder

    \Voicemod\

  • usb_spread

    true

Extracted

Family

limerat

Attributes
  • antivm

    false

  • c2_url

    https://pastebin.com/raw/hj9UaNnk

  • download_payload

    false

  • install

    false

  • pin_spread

    false

  • usb_spread

    false

Signatures

  • LimeRAT

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

  • Limerat family
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 53 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CandyDDoser-installer-15.4.1.exe
    "C:\Users\Admin\AppData\Local\Temp\CandyDDoser-installer-15.4.1.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4412
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\Voicemod\CandyDDoser-installer-15.4.1.exe'"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4552
    • C:\Users\Admin\AppData\Roaming\Voicemod\CandyDDoser-installer-15.4.1.exe
      "C:\Users\Admin\AppData\Roaming\Voicemod\CandyDDoser-installer-15.4.1.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:4436

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\CandyDDoser-installer-15.4.1.exe.log

    Filesize

    709B

    MD5

    8a1197be130e48aa5aeeafd43eb6bb9f

    SHA1

    cb790c7c216e41524348eaa0e5b74926e78dbfc6

    SHA256

    547474087ec8f71dfd32b76f9b74c86f9844addf5082df37562a2c2c0cae4bfb

    SHA512

    4ad9d8dbbc253c8d7b1c2b4ec5f115c770f02bdbbc21ca0b422e251a3a98331e169c5062cabf7da81d5ae0d295b3778ef105ef82709df1a4ace71be288b8f166

  • C:\Users\Admin\AppData\Roaming\Voicemod\CandyDDoser-installer-15.4.1.exe

    Filesize

    28KB

    MD5

    f73dfb6f1169032be3b281bfecd8e27a

    SHA1

    6b487113f260ed17b0a3b4c3ecab199e57c7d0bf

    SHA256

    2278dd8c09c9f6967d1414a6254ea386fec564baea3956faeadca3a51eb0fddf

    SHA512

    b2298c03be51d8681aad8a52bb703b5da70dc522f8765aadd2ae91680672079983b3345923687b2617aa240bd31f14bc9ad029ef87fbd91563b10f4d41b0a98f

  • memory/4412-3-0x0000000004AF0000-0x0000000004B56000-memory.dmp

    Filesize

    408KB

  • memory/4412-0-0x00000000743FE000-0x00000000743FF000-memory.dmp

    Filesize

    4KB

  • memory/4412-4-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/4412-5-0x0000000005860000-0x0000000005E04000-memory.dmp

    Filesize

    5.6MB

  • memory/4412-2-0x0000000004A50000-0x0000000004AEC000-memory.dmp

    Filesize

    624KB

  • memory/4412-1-0x00000000000D0000-0x00000000000DC000-memory.dmp

    Filesize

    48KB

  • memory/4412-16-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/4436-17-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/4436-18-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/4436-19-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB

  • memory/4436-20-0x00000000743F0000-0x0000000074BA0000-memory.dmp

    Filesize

    7.7MB