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
    19-12-2024 01:18

General

  • Target

    7761133cb4ae903f269c35218b773acf119e0382ab1fd80958f6bb80515f8ee8.exe

  • Size

    917KB

  • MD5

    cf0dd193b3411fab2cdc43e49bc6b850

  • SHA1

    1fc53efd2ee6eadcd145b35d1964fa80daed81ae

  • SHA256

    7761133cb4ae903f269c35218b773acf119e0382ab1fd80958f6bb80515f8ee8

  • SHA512

    dbb54b172b4de3dea5d681fb2f2b96e8a38b5e1d65385c3500f71c26d95c214c20fd2d710d98e7107427a887307cedd6958dbdf74f6ac4235e6c2968ab79af6d

  • SSDEEP

    12288:xMLaIPO6EJr/ThI7dG1lFlWcYT70pxnnaaoawhmy9kgWrUrZNrI0AilFEvxHvBMi:VDg4MROxnFe1/rZlI0AilFEvxHiOOYV

Malware Config

Extracted

Family

orcus

C2

Ezzka1337212312331-64524.portmap.host:64524

Mutex

b36ed3c7eee04d05bd5e94ae29f2d7fb

Attributes
  • autostart_method

    Disable

  • enable_keylogger

    false

  • install_path

    %programfiles%\.minecraft\Launcher.exe

  • reconnect_delay

    10000

  • registry_keyname

    Orcus

  • taskscheduler_taskname

    Orcus

  • watchdog_path

    AppData\OrcusWatchdog.exe

Signatures

  • Orcus

    Orcus is a Remote Access Trojan that is being sold on underground forums.

  • Orcus family
  • Orcus main payload 1 IoCs
  • Orcurs Rat Executable 2 IoCs
  • Executes dropped EXE 3 IoCs
  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7761133cb4ae903f269c35218b773acf119e0382ab1fd80958f6bb80515f8ee8.exe
    "C:\Users\Admin\AppData\Local\Temp\7761133cb4ae903f269c35218b773acf119e0382ab1fd80958f6bb80515f8ee8.exe"
    1⤵
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:1508
    • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe
      "C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\2vbv_s6f.cmdline"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2020
      • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe
        C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESF23C.tmp" "c:\Users\Admin\AppData\Local\Temp\CSCF23B.tmp"
        3⤵
          PID:2832
      • C:\Windows\SysWOW64\WindowsInput.exe
        "C:\Windows\SysWOW64\WindowsInput.exe" --install
        2⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        PID:2756
      • C:\Program Files\.minecraft\Launcher.exe
        "C:\Program Files\.minecraft\Launcher.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2400
    • C:\Windows\SysWOW64\WindowsInput.exe
      "C:\Windows\SysWOW64\WindowsInput.exe"
      1⤵
      • Executes dropped EXE
      PID:1932

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files\.minecraft\Launcher.exe

      Filesize

      917KB

      MD5

      cf0dd193b3411fab2cdc43e49bc6b850

      SHA1

      1fc53efd2ee6eadcd145b35d1964fa80daed81ae

      SHA256

      7761133cb4ae903f269c35218b773acf119e0382ab1fd80958f6bb80515f8ee8

      SHA512

      dbb54b172b4de3dea5d681fb2f2b96e8a38b5e1d65385c3500f71c26d95c214c20fd2d710d98e7107427a887307cedd6958dbdf74f6ac4235e6c2968ab79af6d

    • C:\Users\Admin\AppData\Local\Temp\2vbv_s6f.dll

      Filesize

      76KB

      MD5

      ac267bcefa99c56536ec7a13f3018af2

      SHA1

      3687b81c5d234324c3164f5b914eaa58cd4d9565

      SHA256

      bc06a56ac333b6153bb4d115273ad854a8aaaffa45cd6bdc759fbfbaf734cc33

      SHA512

      33165c204d4eba8fa96ecf130e871c1382649641dc68a4714a5b023285be83f3b72a82b2ab2762b660326f47bef6ea9473b29338a503dcde6486e079e026c394

    • C:\Users\Admin\AppData\Local\Temp\RESF23C.tmp

      Filesize

      1KB

      MD5

      018c5c2ae2f1426b5436ed97102a22d6

      SHA1

      815cf11dcbde56f52440e9970c687cf7becba015

      SHA256

      fdfd49033e3badebba84a4942b4c339a2e23daa60efe64be537d3501101d424d

      SHA512

      e692fe87beabd1a6e6143f4b1d602fcc039085ba5f78bc845981d05f2a4d89d040e76b50f5e54c693253ea7dbecaf4672b5dd5cabc1f89f3f4146583e7c256ef

    • C:\Windows\SysWOW64\WindowsInput.exe

      Filesize

      21KB

      MD5

      e6fcf516d8ed8d0d4427f86e08d0d435

      SHA1

      c7691731583ab7890086635cb7f3e4c22ca5e409

      SHA256

      8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337

      SHA512

      c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e

    • C:\Windows\SysWOW64\WindowsInput.exe.config

      Filesize

      357B

      MD5

      a2b76cea3a59fa9af5ea21ff68139c98

      SHA1

      35d76475e6a54c168f536e30206578babff58274

      SHA256

      f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

      SHA512

      b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

    • \??\c:\Users\Admin\AppData\Local\Temp\2vbv_s6f.0.cs

      Filesize

      208KB

      MD5

      972caddb10d36dc6fb05136b315e1f86

      SHA1

      17ac4c22b239b72123e4f66ef022598efaaeb040

      SHA256

      8bee7b8e7c51d1f399a010f6bb23e7b5dbf8e0124f954688a7b73ee84becbcbb

      SHA512

      d4ffe7b958e13963a360a5b2f02f54fc9f92cc0bc5e10330a5b0ca9170b4de2d4dc8549d0c21fbd302164bf79dc36b0d31a0c18c51c9aa0539520f04fb7e2e2a

    • \??\c:\Users\Admin\AppData\Local\Temp\2vbv_s6f.cmdline

      Filesize

      349B

      MD5

      23d35cf5b5e0bf5397df451f938a6e51

      SHA1

      f86ba0ab9f8cce1a04aa78aa5cc5d29101ced686

      SHA256

      00e35a5289ae95fa029a36cb6fdc76b893aa011b345e58c46c06dfdae2df61c7

      SHA512

      68a50f1531bf830ec58e2a7a1d0d9498512aa6f4e97255c40ddc30f75d942f4d5daec657d5ea7c083024c4b86826ff1634bd404b40818bfbb4698284471e07de

    • \??\c:\Users\Admin\AppData\Local\Temp\CSCF23B.tmp

      Filesize

      676B

      MD5

      920db188935b0f0cc33568fffb5640a7

      SHA1

      92c9b17e704557f3396225000fd6cfc12ac6db1f

      SHA256

      6ac0b4c6ae44f9a9b51859d3c399cb183189964a15de8e385002b7aecc153638

      SHA512

      cd8a9dc17489199edf0a7af3e248560aa5bc8a27f528b92847c1cc590261172d18c0a6cdec075a6af496ceb8a003eb7e5972c2920734020740ed7dd29b2e5f8e

    • memory/1508-6-0x000007FEF4EA0000-0x000007FEF583D000-memory.dmp

      Filesize

      9.6MB

    • memory/1508-42-0x000007FEF4EA0000-0x000007FEF583D000-memory.dmp

      Filesize

      9.6MB

    • memory/1508-19-0x000000001AFA0000-0x000000001AFB6000-memory.dmp

      Filesize

      88KB

    • memory/1508-0-0x000007FEF515E000-0x000007FEF515F000-memory.dmp

      Filesize

      4KB

    • memory/1508-21-0x00000000004C0000-0x00000000004D2000-memory.dmp

      Filesize

      72KB

    • memory/1508-22-0x0000000000550000-0x0000000000558000-memory.dmp

      Filesize

      32KB

    • memory/1508-9-0x000007FEF4EA0000-0x000007FEF583D000-memory.dmp

      Filesize

      9.6MB

    • memory/1508-1-0x000000001AF20000-0x000000001AF7C000-memory.dmp

      Filesize

      368KB

    • memory/1508-2-0x00000000004A0000-0x00000000004AE000-memory.dmp

      Filesize

      56KB

    • memory/1932-34-0x0000000000FD0000-0x0000000000FDC000-memory.dmp

      Filesize

      48KB

    • memory/2020-17-0x000007FEF4EA0000-0x000007FEF583D000-memory.dmp

      Filesize

      9.6MB

    • memory/2020-10-0x000007FEF4EA0000-0x000007FEF583D000-memory.dmp

      Filesize

      9.6MB

    • memory/2400-43-0x0000000000960000-0x0000000000A4C000-memory.dmp

      Filesize

      944KB

    • memory/2400-44-0x0000000000300000-0x0000000000312000-memory.dmp

      Filesize

      72KB

    • memory/2400-45-0x0000000000390000-0x00000000003A8000-memory.dmp

      Filesize

      96KB

    • memory/2400-46-0x0000000000540000-0x0000000000550000-memory.dmp

      Filesize

      64KB

    • memory/2756-30-0x0000000000CE0000-0x0000000000CEC000-memory.dmp

      Filesize

      48KB