Analysis

  • max time kernel
    146s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    30-06-2024 01:56

General

  • Target

    cb22cebed97d6363239f63cf28816b8a8c06977c6d8625a43a61f0afa8823b26.exe

  • Size

    748KB

  • MD5

    457143901d9ca2f0bc836c1dd1faefe3

  • SHA1

    11e554dcfca0dd51c5bfe92d35b9c13b21b81691

  • SHA256

    cb22cebed97d6363239f63cf28816b8a8c06977c6d8625a43a61f0afa8823b26

  • SHA512

    0bd04e37e8f3bb869783661972b83ec8fb6b06727eff27374d2855e714b31cd51b15ada8e46d8b09eda9367dd002f65436785b7962f80f5812396aff3c03c0d0

  • SSDEEP

    12288:Ykpcy+P2t8ysP8ZURBmtxjlk/u6ntgJ2E3P0DtaxoisMLHsXxteTX:Ykpcy5tVZqBmTji/PQP0Zaxd5LHxT

Malware Config

Extracted

Family

xworm

C2

head-experimental.gl.at.ply.gg:46178

best-bird.gl.at.ply.gg:27196

super-nearest.gl.at.ply.gg:17835

Attributes
  • install_file

    USB.exe

Extracted

Family

quasar

Version

3.1.5

Botnet

Slave

C2

stop-largely.gl.at.ply.gg:27116

Mutex

$Sxr-kl1r656AGsPQksTmi8

Attributes
  • encryption_key

    ql4fQ8TV9ZFP9vRX2myA

  • install_name

    $sxr~Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    $77STARTUP~MSF

  • subdirectory

    $sxr~SubDir

Extracted

Family

asyncrat

Botnet

Default

C2

finally-grande.gl.at.ply.gg:25844

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Detect Xworm Payload 6 IoCs
  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Async RAT payload 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 6 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Executes dropped EXE 9 IoCs
  • Loads dropped DLL 2 IoCs
  • Looks up external IP address via web service 8 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

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

  • Runs ping.exe 1 TTPs 2 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 17 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cb22cebed97d6363239f63cf28816b8a8c06977c6d8625a43a61f0afa8823b26.exe
    "C:\Users\Admin\AppData\Local\Temp\cb22cebed97d6363239f63cf28816b8a8c06977c6d8625a43a61f0afa8823b26.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2392
    • C:\Users\Admin\AppData\Local\Temp\Part1.exe
      "C:\Users\Admin\AppData\Local\Temp\Part1.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2156
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Part1.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious use of AdjustPrivilegeToken
        PID:1092
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Part1.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious use of AdjustPrivilegeToken
        PID:288
    • C:\Users\Admin\AppData\Local\Temp\Part2.exe
      "C:\Users\Admin\AppData\Local\Temp\Part2.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2740
      • C:\Users\Admin\AppData\Local\Temp\Part 1.exe
        "C:\Users\Admin\AppData\Local\Temp\Part 1.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2720
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Part 1.exe'
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious use of AdjustPrivilegeToken
          PID:1300
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Part 1.exe'
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious use of AdjustPrivilegeToken
          PID:2448
      • C:\Users\Admin\AppData\Local\Temp\Part 2.exe
        "C:\Users\Admin\AppData\Local\Temp\Part 2.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2640
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks" /create /tn "$77STARTUP~MSF" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\Part 2.exe" /rl HIGHEST /f
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:1496
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c ""C:\Users\Admin\AppData\Local\Temp\bGKSTMlSXHue.bat" "
          4⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2724
          • C:\Windows\SysWOW64\chcp.com
            chcp 65001
            5⤵
              PID:2680
            • C:\Windows\SysWOW64\PING.EXE
              ping -n 10 localhost
              5⤵
              • Runs ping.exe
              PID:2784
            • C:\Users\Admin\AppData\Local\Temp\Part 2.exe
              "C:\Users\Admin\AppData\Local\Temp\Part 2.exe"
              5⤵
              • Executes dropped EXE
              • Suspicious use of AdjustPrivilegeToken
              PID:2636
              • C:\Windows\SysWOW64\schtasks.exe
                "schtasks" /create /tn "$77STARTUP~MSF" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\Part 2.exe" /rl HIGHEST /f
                6⤵
                • Scheduled Task/Job: Scheduled Task
                PID:1276
              • C:\Windows\SysWOW64\cmd.exe
                cmd /c ""C:\Users\Admin\AppData\Local\Temp\SImgBZhsf8FA.bat" "
                6⤵
                • Loads dropped DLL
                PID:2240
                • C:\Windows\SysWOW64\chcp.com
                  chcp 65001
                  7⤵
                    PID:2892
                  • C:\Windows\SysWOW64\PING.EXE
                    ping -n 10 localhost
                    7⤵
                    • Runs ping.exe
                    PID:2900
                  • C:\Users\Admin\AppData\Local\Temp\Part 2.exe
                    "C:\Users\Admin\AppData\Local\Temp\Part 2.exe"
                    7⤵
                    • Executes dropped EXE
                    • Suspicious use of AdjustPrivilegeToken
                    PID:808
          • C:\Users\Admin\AppData\Local\Temp\Part 3.exe
            "C:\Users\Admin\AppData\Local\Temp\Part 3.exe"
            3⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:2688
          • C:\Users\Admin\AppData\Local\Temp\Part 4.exe
            "C:\Users\Admin\AppData\Local\Temp\Part 4.exe"
            3⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:2736
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Part 4.exe'
              4⤵
              • Command and Scripting Interpreter: PowerShell
              • Suspicious use of AdjustPrivilegeToken
              PID:1840
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Part 4.exe'
              4⤵
              • Command and Scripting Interpreter: PowerShell
              • Suspicious use of AdjustPrivilegeToken
              PID:1768
          • C:\Users\Admin\AppData\Local\Temp\Windows PowerShell.exe
            "C:\Users\Admin\AppData\Local\Temp\Windows PowerShell.exe"
            3⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2540

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Execution

      Command and Scripting Interpreter

      1
      T1059

      PowerShell

      1
      T1059.001

      Scheduled Task/Job

      1
      T1053

      Scheduled Task

      1
      T1053.005

      Persistence

      Scheduled Task/Job

      1
      T1053

      Scheduled Task

      1
      T1053.005

      Privilege Escalation

      Scheduled Task/Job

      1
      T1053

      Scheduled Task

      1
      T1053.005

      Discovery

      System Information Discovery

      1
      T1082

      Remote System Discovery

      1
      T1018

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\Part 1.exe
        Filesize

        67KB

        MD5

        092a0c6fe885844fd74947e64e7fc11e

        SHA1

        bfe46f64f36f2e927d862a1a787f146ed2c01219

        SHA256

        91431cb73305e0f1fdc698907301b6d312a350f667c50765615672e7f10a68f2

        SHA512

        022589bd17b46e5486971a59b2517956bb15815266e48dc73a7ae9ac9efd42a348af09df471562eb71ffc94ce1e1845d54ca2994663d1496a385bce50ae595f0

      • C:\Users\Admin\AppData\Local\Temp\Part 2.exe
        Filesize

        409KB

        MD5

        e10c7425705b2bd3214fa96247ee21c4

        SHA1

        7603536b97ab6337fa023bafcf80579c2b4059e6

        SHA256

        021068ac225e479b124c33d9e7582c17fdea6e625b165b79e2c818479d8094e4

        SHA512

        47e031992d637fef2a67e4fb08d2d82eaba03eba6b80f3e0e0997153acf0d979d0294276c4a10a97daa50130540230865c56191e6fe8df07dbea11c50fa48a2d

      • C:\Users\Admin\AppData\Local\Temp\Part 3.exe
        Filesize

        63KB

        MD5

        27fe9341167a34f606b800303ac54b1f

        SHA1

        86373d218b48361bff1c23ddd08b6ab1803a51d0

        SHA256

        29e13a91af9b0ac77e9b7f8b0c26e5702f46bd8aea0333ca2d191d1d09c70c5d

        SHA512

        05b83ad544862d9c0cfc2651b2842624cff59fc4f454e0b1a2b36a705b558fad5a834f9f1af9f2626c57f1e3cd9aa400e290eaafb6efeb680422992bcbbde5b0

      • C:\Users\Admin\AppData\Local\Temp\Part 4.exe
        Filesize

        79KB

        MD5

        1f1b23752df3d29e7604ba52aea85862

        SHA1

        bb582c6cf022098b171c4c9c7318a51de29ebcf4

        SHA256

        4834d31394f19d42e8d2a035b4c3c9c36441340ea19fe766396848ecfb608960

        SHA512

        d52722ab73bb15d4a5b0033351f98f168192f382677e6d474f6cf506cf8dc2f5e421e45279b6cac0f074857f41a865d87b5d989450bfcb8eba925b7baa12fbde

      • C:\Users\Admin\AppData\Local\Temp\Part1.exe
        Filesize

        74KB

        MD5

        e35a7249966beef31a45272c53e06727

        SHA1

        cc54648f9c9423f7a625e96256c608791b1ab275

        SHA256

        ecb87965ad5fdc76a30721226b1cb8a6263bbbce476a0446ff730b6399022998

        SHA512

        1dc30dc4a690aa87211db37b8fbc152e2e9e2b2554927296ff62bd4d2a7ab542777faaa4752399719cfe816cf3886b3bb4a90539f3f197dedd52298f2a315114

      • C:\Users\Admin\AppData\Local\Temp\Part2.exe
        Filesize

        661KB

        MD5

        c47c0d681b491091209c54147c33da81

        SHA1

        58cb51be41aa576ce56d4c16c9c443e70e648f62

        SHA256

        429c5dd3f4af9dcaa0ebaefda12281af7c84b3e3aa05d1034ddf89d2bdefb720

        SHA512

        f3a6f9af783910dd94622bb0408385228dfe322487d9d89c140e2e49b8abbc3b9c9f3cb580635166d1ddf6f5b7feeac51380044cf100476d6994adc7cac6cc5c

      • C:\Users\Admin\AppData\Local\Temp\Windows PowerShell.exe
        Filesize

        27KB

        MD5

        4daae2de5a31125d02b057c1ff18d58f

        SHA1

        e1d603edfcc150a4718e2916ae3dda3aa9548dc8

        SHA256

        25510f3aa1b879ea92a3cba9583d73e447b8765bae6dfcc4954bb72df5beaa7f

        SHA512

        7cda96a69f9cddab307f3f08e1f38a4d059f0cc7f7119d4a48891efdb01cf101ebcc06cb2ce0702ea2d689d27ee45faddc0a13cd72503c609c4e544919549a2a

      • memory/2156-9-0x00000000002A0000-0x00000000002B8000-memory.dmp
        Filesize

        96KB

      • memory/2156-44-0x000007FEF5750000-0x000007FEF613C000-memory.dmp
        Filesize

        9.9MB

      • memory/2392-1-0x0000000001290000-0x0000000001352000-memory.dmp
        Filesize

        776KB

      • memory/2392-0-0x000007FEF5753000-0x000007FEF5754000-memory.dmp
        Filesize

        4KB

      • memory/2540-47-0x00000000002D0000-0x00000000002E0000-memory.dmp
        Filesize

        64KB

      • memory/2540-45-0x0000000000090000-0x000000000009E000-memory.dmp
        Filesize

        56KB

      • memory/2640-46-0x0000000000D10000-0x0000000000D7C000-memory.dmp
        Filesize

        432KB

      • memory/2688-37-0x0000000000230000-0x0000000000246000-memory.dmp
        Filesize

        88KB

      • memory/2720-28-0x0000000000C00000-0x0000000000C18000-memory.dmp
        Filesize

        96KB

      • memory/2736-39-0x00000000000E0000-0x00000000000FA000-memory.dmp
        Filesize

        104KB

      • memory/2740-13-0x0000000000060000-0x000000000010C000-memory.dmp
        Filesize

        688KB