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Analysis

  • max time kernel
    10s
  • max time network
    0s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25-09-2024 20:22

General

  • Target

    RebelCracked.exe

  • Size

    344KB

  • MD5

    a84fd0fc75b9c761e9b7923a08da41c7

  • SHA1

    2597048612041cd7a8c95002c73e9c2818bb2097

  • SHA256

    9d9a79f4ae9bf7a992945f6c06c5bec642c05e4e828217c50255dabfa3677006

  • SHA512

    a17f1144a0e3ce07c7ed6891987c5b969f291e9991442c33750028d35e2194794e8a649c397e8afc9f8ce19d485c453600c75cab4fcead09e38414d85819251a

  • SSDEEP

    6144:lOcpeK8lucxAtLNFHUVuI/2zj1z6jZ755NofmWx4PCQL23wBw7R0ljTwrVuAdJKp:QcpSnx0LNFDQ60Ntbo5d7gBw7R7rbdJk

Malware Config

Extracted

Family

asyncrat

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • StormKitty

    StormKitty is an open source info stealer written in C#.

  • StormKitty payload 5 IoCs
  • Executes dropped EXE 8 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops desktop.ini file(s) 5 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 15 IoCs

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

  • System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 2 IoCs

    Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RebelCracked.exe
    "C:\Users\Admin\AppData\Local\Temp\RebelCracked.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2072
    • C:\Users\Admin\AppData\Local\RuntimeBroker.exe
      "C:\Users\Admin\AppData\Local\RuntimeBroker.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2228
      • C:\Users\Admin\AppData\Local\RuntimeBroker.exe
        "C:\Users\Admin\AppData\Local\RuntimeBroker.exe"
        3⤵
        • Executes dropped EXE
        • Drops desktop.ini file(s)
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1296
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Wi-Fi Discovery
          PID:1236
          • C:\Windows\SysWOW64\chcp.com
            chcp 65001
            5⤵
            • System Location Discovery: System Language Discovery
            PID:2248
          • C:\Windows\SysWOW64\netsh.exe
            netsh wlan show profile
            5⤵
            • Event Triggered Execution: Netsh Helper DLL
            • System Location Discovery: System Language Discovery
            • System Network Configuration Discovery: Wi-Fi Discovery
            PID:964
          • C:\Windows\SysWOW64\findstr.exe
            findstr All
            5⤵
            • System Location Discovery: System Language Discovery
            PID:2112
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
          4⤵
          • System Location Discovery: System Language Discovery
          PID:884
          • C:\Windows\SysWOW64\chcp.com
            chcp 65001
            5⤵
            • System Location Discovery: System Language Discovery
            PID:2516
          • C:\Windows\SysWOW64\netsh.exe
            netsh wlan show networks mode=bssid
            5⤵
            • Event Triggered Execution: Netsh Helper DLL
            • System Location Discovery: System Language Discovery
            PID:1144
    • C:\Users\Admin\AppData\Local\Temp\RebelCracked.exe
      "C:\Users\Admin\AppData\Local\Temp\RebelCracked.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2312
      • C:\Users\Admin\AppData\Local\RuntimeBroker.exe
        "C:\Users\Admin\AppData\Local\RuntimeBroker.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2792
        • C:\Users\Admin\AppData\Local\RuntimeBroker.exe
          "C:\Users\Admin\AppData\Local\RuntimeBroker.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:2620
      • C:\Users\Admin\AppData\Local\Temp\RebelCracked.exe
        "C:\Users\Admin\AppData\Local\Temp\RebelCracked.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2712
        • C:\Users\Admin\AppData\Local\RuntimeBroker.exe
          "C:\Users\Admin\AppData\Local\RuntimeBroker.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2224
          • C:\Users\Admin\AppData\Local\RuntimeBroker.exe
            "C:\Users\Admin\AppData\Local\RuntimeBroker.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:2020
        • C:\Users\Admin\AppData\Local\Temp\RebelCracked.exe
          "C:\Users\Admin\AppData\Local\Temp\RebelCracked.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2484
          • C:\Users\Admin\AppData\Local\RuntimeBroker.exe
            "C:\Users\Admin\AppData\Local\RuntimeBroker.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1480
            • C:\Users\Admin\AppData\Local\RuntimeBroker.exe
              "C:\Users\Admin\AppData\Local\RuntimeBroker.exe"
              6⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Suspicious use of AdjustPrivilegeToken
              PID:1320
          • C:\Users\Admin\AppData\Local\Temp\RebelCracked.exe
            "C:\Users\Admin\AppData\Local\Temp\RebelCracked.exe"
            5⤵
              PID:1976

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\85d79f40cf043db9d25fbb21cc3e56c2\Admin@KHBTHJFA_en-US\Browsers\Firefox\Bookmarks.txt

      Filesize

      105B

      MD5

      2e9d094dda5cdc3ce6519f75943a4ff4

      SHA1

      5d989b4ac8b699781681fe75ed9ef98191a5096c

      SHA256

      c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

      SHA512

      d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

    • C:\Users\Admin\AppData\Local\RuntimeBroker.exe

      Filesize

      330KB

      MD5

      75e456775c0a52b6bbe724739fa3b4a7

      SHA1

      1f4c575e98d48775f239ceae474e03a3058099ea

      SHA256

      e8d52d0d352317b3da0be6673099d32e10e7b0e44d23a0c1a6a5277d37b95cf3

      SHA512

      b376146c6fa91f741d69acf7b02a57442d2ea059be37b9bdb06af6cc01272f4ded1a82e4e21b9c803d0e91e22fc12f70391f5e8c8704d51b2435afc9624e8471

    • memory/1296-19-0x0000000000400000-0x0000000000432000-memory.dmp

      Filesize

      200KB

    • memory/1296-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/1296-25-0x0000000000400000-0x0000000000432000-memory.dmp

      Filesize

      200KB

    • memory/1296-15-0x0000000000400000-0x0000000000432000-memory.dmp

      Filesize

      200KB

    • memory/1296-13-0x0000000000400000-0x0000000000432000-memory.dmp

      Filesize

      200KB

    • memory/1296-17-0x0000000000400000-0x0000000000432000-memory.dmp

      Filesize

      200KB

    • memory/1296-24-0x0000000000400000-0x0000000000432000-memory.dmp

      Filesize

      200KB

    • memory/1296-22-0x0000000000400000-0x0000000000432000-memory.dmp

      Filesize

      200KB

    • memory/2020-49-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2072-0-0x000007FEF53E3000-0x000007FEF53E4000-memory.dmp

      Filesize

      4KB

    • memory/2072-8-0x000007FEF53E0000-0x000007FEF5DCC000-memory.dmp

      Filesize

      9.9MB

    • memory/2072-1-0x0000000000DB0000-0x0000000000E0C000-memory.dmp

      Filesize

      368KB

    • memory/2228-11-0x0000000000310000-0x000000000031A000-memory.dmp

      Filesize

      40KB

    • memory/2228-10-0x00000000003B0000-0x00000000003FA000-memory.dmp

      Filesize

      296KB

    • memory/2228-9-0x0000000001030000-0x0000000001088000-memory.dmp

      Filesize

      352KB

    • memory/2620-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB