Analysis

  • max time kernel
    144s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-12-2024 01:13

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:3008
    • 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\qtsiqzqy.cmdline"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2504
      • 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\RESB74F.tmp" "c:\Users\Admin\AppData\Local\Temp\CSCB74E.tmp"
        3⤵
          PID:2180
      • C:\Windows\SysWOW64\WindowsInput.exe
        "C:\Windows\SysWOW64\WindowsInput.exe" --install
        2⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        PID:2424
      • 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:2864
    • C:\Windows\SysWOW64\WindowsInput.exe
      "C:\Windows\SysWOW64\WindowsInput.exe"
      1⤵
      • Executes dropped EXE
      PID:2860

    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\RESB74F.tmp

      Filesize

      1KB

      MD5

      f81f41806f94af3d04a782e73049b17d

      SHA1

      c4d371c180b67615f8a57140e7c7da3739fb005b

      SHA256

      8a3c4311cd49fe524c18f2da7d8c627e15c972018b2f87219a2a095b6f611379

      SHA512

      34f84d213d8ea7d0410bf591f068dbd950bb3d46520c432440720ecb452aa0ea4ce8b0d1e537cc64011651f89d07a6b3924547d442be675a4370a0a50644b10b

    • C:\Users\Admin\AppData\Local\Temp\qtsiqzqy.dll

      Filesize

      76KB

      MD5

      555afac2a5795bcadd7c87ad5e44f192

      SHA1

      aeb5d80d0833be33e926d07616a110f9285f8e42

      SHA256

      da30caa0f89632d419424039aca2dfac363a007bbc57575b5446a20abeec9369

      SHA512

      93105eb159c1ec72db41f1ea388c263bbfff7ce653f73f3b578c31b70d722978c0e71cd29485427900d0e136a5228760bdce0fb673e1eb27e1a14e83d6096812

    • 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\CSCB74E.tmp

      Filesize

      676B

      MD5

      51f273afdfb1d62c196fe3d9032475e4

      SHA1

      8e958bfa0a86a681da60d730e5046c97a4a54fea

      SHA256

      742cc2277863b5ab9217d4ebe0242df7983e70d53fe2096a1e57092fb87a67cf

      SHA512

      a3ff95025d7436001ef58331b2ccd7ea188c68dc268b1113b7a42d9cbaf724fd7a384573ddc3bcf6e547242b67afa7323822392019e939cc5beedde6a37a486e

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

      Filesize

      208KB

      MD5

      de3cc3f6089fa0a7343fda4699c2ae32

      SHA1

      8cce0e33f0b974ee87378e4fb8f9d4ae489a02fa

      SHA256

      5e353090ffde8113bb9c8baea5595f4c64d1ab20ebe295e21f423d2d862c2583

      SHA512

      613f417e58d127e009004c160c92c344c5add758c75dad1f3b13af6c33e436f26dc5c1d0c370b21d052363203e101d9f553592efc64af1366185b5fa9527224e

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

      Filesize

      349B

      MD5

      b5d4870822df84d25f978c40b7e50ddb

      SHA1

      f9f1a1e0d823a3b8ac9fad5dd001892b7d9c00b4

      SHA256

      fcf9986430e287d29bcd1a9bf74b36288686900e648bd8164a6c61ec61b42000

      SHA512

      88d5e7e43f2fb9d3a221a149a7dfd4db25161f9da79d5e27e36b4f6f226096bb1ae3092b3bbb904e6b53234c414ff4c8ae367a129a3247d4ee9d17a51eb3605d

    • memory/2424-30-0x0000000000E50000-0x0000000000E5C000-memory.dmp

      Filesize

      48KB

    • memory/2504-12-0x000007FEF6080000-0x000007FEF6A1D000-memory.dmp

      Filesize

      9.6MB

    • memory/2504-17-0x000007FEF6080000-0x000007FEF6A1D000-memory.dmp

      Filesize

      9.6MB

    • memory/2860-34-0x0000000001320000-0x000000000132C000-memory.dmp

      Filesize

      48KB

    • memory/2864-42-0x0000000000CA0000-0x0000000000D8C000-memory.dmp

      Filesize

      944KB

    • memory/2864-46-0x0000000000C30000-0x0000000000C40000-memory.dmp

      Filesize

      64KB

    • memory/2864-45-0x0000000000610000-0x0000000000628000-memory.dmp

      Filesize

      96KB

    • memory/2864-44-0x0000000000600000-0x0000000000612000-memory.dmp

      Filesize

      72KB

    • memory/3008-0-0x000007FEF633E000-0x000007FEF633F000-memory.dmp

      Filesize

      4KB

    • memory/3008-3-0x000007FEF6080000-0x000007FEF6A1D000-memory.dmp

      Filesize

      9.6MB

    • memory/3008-19-0x0000000000BF0000-0x0000000000C06000-memory.dmp

      Filesize

      88KB

    • memory/3008-1-0x0000000000B90000-0x0000000000BEC000-memory.dmp

      Filesize

      368KB

    • memory/3008-4-0x000007FEF6080000-0x000007FEF6A1D000-memory.dmp

      Filesize

      9.6MB

    • memory/3008-43-0x000007FEF6080000-0x000007FEF6A1D000-memory.dmp

      Filesize

      9.6MB

    • memory/3008-2-0x0000000000390000-0x000000000039E000-memory.dmp

      Filesize

      56KB

    • memory/3008-22-0x0000000000AD0000-0x0000000000AD8000-memory.dmp

      Filesize

      32KB

    • memory/3008-21-0x00000000003C0000-0x00000000003D2000-memory.dmp

      Filesize

      72KB