Analysis

  • max time kernel
    27s
  • max time network
    23s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-05-2024 01:11

Errors

Reason
Machine shutdown

General

  • Target

    7a7daa96cfb24335bd6dc0e929743bc84b5d1789e044ffbe3ebb01b08ccf2d4c.exe

  • Size

    15.0MB

  • MD5

    c9a729181d000d53b390da89f4d68d0c

  • SHA1

    b1ba9b1e69634202f596c31bd69d975f3ddf5298

  • SHA256

    7a7daa96cfb24335bd6dc0e929743bc84b5d1789e044ffbe3ebb01b08ccf2d4c

  • SHA512

    04bb394e0695220a3436493fad6ad6cc531a63d0533c073216e919502dea8b7475575fb84fe1bf28954f62357ea6d1f1c1cf4e7f5e1b4eedafaa5365a60cd46a

  • SSDEEP

    24576:1Zf4MROxnFaarrcI0AilFEvxHPG+qoot:1WMi5rrcI0AilFEvxHP

Malware Config

Extracted

Family

orcus

Botnet

CC

C2

192.168.1.5:10134

Mutex

a9b4352a71bc43b0b7d8d88b859bf9a8

Attributes
  • autostart_method

    TaskScheduler

  • enable_keylogger

    true

  • install_path

    %programfiles%\system\Orcus.exe

  • reconnect_delay

    10000

  • registry_keyname

    registy

  • taskscheduler_taskname

    wsappx

  • watchdog_path

    AppData\OrcusWatchdog.exe

Signatures

  • Orcus

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

  • Orcus main payload 1 IoCs
  • Orcurs Rat Executable 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 6 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • 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 WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7a7daa96cfb24335bd6dc0e929743bc84b5d1789e044ffbe3ebb01b08ccf2d4c.exe
    "C:\Users\Admin\AppData\Local\Temp\7a7daa96cfb24335bd6dc0e929743bc84b5d1789e044ffbe3ebb01b08ccf2d4c.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:4852
    • C:\Windows\SysWOW64\WindowsInput.exe
      "C:\Windows\SysWOW64\WindowsInput.exe" --install
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      PID:3276
  • C:\Windows\SysWOW64\WindowsInput.exe
    "C:\Windows\SysWOW64\WindowsInput.exe"
    1⤵
    • Executes dropped EXE
    PID:3432
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4252,i,16710585221322798697,8586257254049248207,262144 --variations-seed-version --mojo-platform-channel-handle=3452 /prefetch:8
    1⤵
      PID:3808

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files (x86)\system\Orcus.exe

      Filesize

      15.0MB

      MD5

      c9a729181d000d53b390da89f4d68d0c

      SHA1

      b1ba9b1e69634202f596c31bd69d975f3ddf5298

      SHA256

      7a7daa96cfb24335bd6dc0e929743bc84b5d1789e044ffbe3ebb01b08ccf2d4c

      SHA512

      04bb394e0695220a3436493fad6ad6cc531a63d0533c073216e919502dea8b7475575fb84fe1bf28954f62357ea6d1f1c1cf4e7f5e1b4eedafaa5365a60cd46a

    • 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

    • memory/3276-27-0x000000001C610000-0x000000001C64C000-memory.dmp

      Filesize

      240KB

    • memory/3276-24-0x0000000000950000-0x000000000095C000-memory.dmp

      Filesize

      48KB

    • memory/3276-25-0x00007FFDA2C63000-0x00007FFDA2C65000-memory.dmp

      Filesize

      8KB

    • memory/3276-26-0x0000000002A10000-0x0000000002A22000-memory.dmp

      Filesize

      72KB

    • memory/3276-28-0x00007FFDA2C60000-0x00007FFDA3721000-memory.dmp

      Filesize

      10.8MB

    • memory/3432-34-0x000000001A5B0000-0x000000001A6BA000-memory.dmp

      Filesize

      1.0MB

    • memory/3432-33-0x00007FFDA2C60000-0x00007FFDA3721000-memory.dmp

      Filesize

      10.8MB

    • memory/4852-1981-0x0000000006320000-0x000000000634C000-memory.dmp

      Filesize

      176KB

    • memory/4852-10-0x0000000005EF0000-0x0000000005F12000-memory.dmp

      Filesize

      136KB

    • memory/4852-4-0x0000000074C10000-0x00000000753C0000-memory.dmp

      Filesize

      7.7MB

    • memory/4852-3-0x0000000005220000-0x000000000527C000-memory.dmp

      Filesize

      368KB

    • memory/4852-2-0x0000000005210000-0x000000000521E000-memory.dmp

      Filesize

      56KB

    • memory/4852-6-0x00000000053B0000-0x0000000005442000-memory.dmp

      Filesize

      584KB

    • memory/4852-7-0x0000000005390000-0x00000000053A2000-memory.dmp

      Filesize

      72KB

    • memory/4852-1986-0x0000000006300000-0x000000000630C000-memory.dmp

      Filesize

      48KB

    • memory/4852-9-0x00000000057D0000-0x00000000057D8000-memory.dmp

      Filesize

      32KB

    • memory/4852-8-0x00000000053A0000-0x00000000053A8000-memory.dmp

      Filesize

      32KB

    • memory/4852-39-0x0000000000400000-0x000000000048E000-memory.dmp

      Filesize

      568KB

    • memory/4852-45-0x0000000000400000-0x00000000004EE000-memory.dmp

      Filesize

      952KB

    • memory/4852-51-0x0000000000400000-0x00000000004B2000-memory.dmp

      Filesize

      712KB

    • memory/4852-57-0x0000000040000000-0x0000000040224000-memory.dmp

      Filesize

      2.1MB

    • memory/4852-63-0x0000000040000000-0x0000000040048000-memory.dmp

      Filesize

      288KB

    • memory/4852-69-0x00000000061C0000-0x00000000061CE000-memory.dmp

      Filesize

      56KB

    • memory/4852-70-0x0000000040000000-0x0000000040419000-memory.dmp

      Filesize

      4.1MB

    • memory/4852-76-0x0000000040000000-0x000000004177D000-memory.dmp

      Filesize

      23.5MB

    • memory/4852-82-0x0000000040000000-0x0000000040A99000-memory.dmp

      Filesize

      10.6MB

    • memory/4852-100-0x0000000040000000-0x00000000400B8000-memory.dmp

      Filesize

      736KB

    • memory/4852-94-0x0000000040000000-0x000000004017F000-memory.dmp

      Filesize

      1.5MB

    • memory/4852-88-0x0000000040000000-0x0000000040063000-memory.dmp

      Filesize

      396KB

    • memory/4852-262-0x0000000040000000-0x0000000040084000-memory.dmp

      Filesize

      528KB

    • memory/4852-1070-0x0000000040000000-0x0000000040008000-memory.dmp

      Filesize

      32KB

    • memory/4852-1066-0x0000000040000000-0x0000000040008000-memory.dmp

      Filesize

      32KB

    • memory/4852-1055-0x0000000040000000-0x0000000040008000-memory.dmp

      Filesize

      32KB

    • memory/4852-1129-0x0000000040000000-0x000000004000A000-memory.dmp

      Filesize

      40KB

    • memory/4852-1125-0x0000000006300000-0x000000000630C000-memory.dmp

      Filesize

      48KB

    • memory/4852-1136-0x0000000006320000-0x0000000006350000-memory.dmp

      Filesize

      192KB

    • memory/4852-1137-0x0000000006370000-0x00000000063E4000-memory.dmp

      Filesize

      464KB

    • memory/4852-1325-0x0000000040000000-0x0000000040020000-memory.dmp

      Filesize

      128KB

    • memory/4852-1332-0x0000000006300000-0x000000000630A000-memory.dmp

      Filesize

      40KB

    • memory/4852-1336-0x0000000040000000-0x000000004000E000-memory.dmp

      Filesize

      56KB

    • memory/4852-1387-0x0000000040000000-0x0000000040094000-memory.dmp

      Filesize

      592KB

    • memory/4852-1-0x00000000007A0000-0x0000000000892000-memory.dmp

      Filesize

      968KB

    • memory/4852-1948-0x0000000006310000-0x0000000006328000-memory.dmp

      Filesize

      96KB

    • memory/4852-1952-0x0000000000400000-0x0000000000416000-memory.dmp

      Filesize

      88KB

    • memory/4852-1953-0x0000000006320000-0x000000000634A000-memory.dmp

      Filesize

      168KB

    • memory/4852-1954-0x0000000006300000-0x0000000006308000-memory.dmp

      Filesize

      32KB

    • memory/4852-1955-0x0000000006300000-0x000000000630C000-memory.dmp

      Filesize

      48KB

    • memory/4852-1956-0x0000000006310000-0x0000000006330000-memory.dmp

      Filesize

      128KB

    • memory/4852-1957-0x0000000006320000-0x0000000006346000-memory.dmp

      Filesize

      152KB

    • memory/4852-1976-0x0000000006330000-0x0000000006370000-memory.dmp

      Filesize

      256KB

    • memory/4852-1980-0x0000000040000000-0x000000004003E000-memory.dmp

      Filesize

      248KB

    • memory/4852-0-0x0000000074C1E000-0x0000000074C1F000-memory.dmp

      Filesize

      4KB

    • memory/4852-1982-0x0000000006300000-0x0000000006308000-memory.dmp

      Filesize

      32KB

    • memory/4852-1983-0x0000000006300000-0x000000000630A000-memory.dmp

      Filesize

      40KB

    • memory/4852-1984-0x0000000006320000-0x0000000006344000-memory.dmp

      Filesize

      144KB

    • memory/4852-2007-0x0000000006300000-0x000000000630E000-memory.dmp

      Filesize

      56KB

    • memory/4852-5-0x0000000005840000-0x0000000005DE4000-memory.dmp

      Filesize

      5.6MB

    • memory/4852-1997-0x0000000006300000-0x000000000630A000-memory.dmp

      Filesize

      40KB

    • memory/4852-1988-0x0000000006310000-0x000000000632E000-memory.dmp

      Filesize

      120KB

    • memory/4852-1989-0x0000000006310000-0x000000000632E000-memory.dmp

      Filesize

      120KB

    • memory/4852-1990-0x0000000006300000-0x0000000006308000-memory.dmp

      Filesize

      32KB

    • memory/4852-1991-0x0000000006300000-0x000000000630A000-memory.dmp

      Filesize

      40KB

    • memory/4852-1992-0x0000000006300000-0x000000000630E000-memory.dmp

      Filesize

      56KB

    • memory/4852-1993-0x0000000006310000-0x0000000006324000-memory.dmp

      Filesize

      80KB

    • memory/4852-1994-0x0000000006300000-0x0000000006310000-memory.dmp

      Filesize

      64KB

    • memory/4852-1995-0x0000000006300000-0x000000000630C000-memory.dmp

      Filesize

      48KB

    • memory/4852-1996-0x0000000006320000-0x0000000006348000-memory.dmp

      Filesize

      160KB

    • memory/4852-1987-0x0000000006300000-0x000000000630A000-memory.dmp

      Filesize

      40KB

    • memory/4852-1998-0x0000000006300000-0x000000000630C000-memory.dmp

      Filesize

      48KB

    • memory/4852-1999-0x0000000006300000-0x000000000630C000-memory.dmp

      Filesize

      48KB

    • memory/4852-2000-0x0000000006300000-0x000000000630C000-memory.dmp

      Filesize

      48KB

    • memory/4852-2001-0x0000000006310000-0x0000000006324000-memory.dmp

      Filesize

      80KB

    • memory/4852-2002-0x0000000006310000-0x0000000006328000-memory.dmp

      Filesize

      96KB

    • memory/4852-2003-0x0000000006300000-0x000000000630C000-memory.dmp

      Filesize

      48KB

    • memory/4852-2004-0x0000000006300000-0x000000000630C000-memory.dmp

      Filesize

      48KB

    • memory/4852-2005-0x0000000006300000-0x000000000630C000-memory.dmp

      Filesize

      48KB

    • memory/4852-2006-0x0000000006300000-0x0000000006310000-memory.dmp

      Filesize

      64KB

    • memory/4852-1985-0x0000000006320000-0x0000000006348000-memory.dmp

      Filesize

      160KB

    • memory/4852-2008-0x0000000006320000-0x0000000006342000-memory.dmp

      Filesize

      136KB

    • memory/4852-2009-0x0000000006310000-0x000000000632C000-memory.dmp

      Filesize

      112KB

    • memory/4852-2010-0x0000000006310000-0x0000000006324000-memory.dmp

      Filesize

      80KB

    • memory/4852-2011-0x0000000006310000-0x000000000632A000-memory.dmp

      Filesize

      104KB

    • memory/4852-2012-0x0000000006300000-0x000000000630C000-memory.dmp

      Filesize

      48KB

    • memory/4852-2013-0x0000000006300000-0x000000000630E000-memory.dmp

      Filesize

      56KB

    • memory/4852-2014-0x0000000006310000-0x0000000006328000-memory.dmp

      Filesize

      96KB

    • memory/4852-2015-0x0000000006310000-0x0000000006322000-memory.dmp

      Filesize

      72KB

    • memory/4852-2016-0x0000000006300000-0x000000000630E000-memory.dmp

      Filesize

      56KB

    • memory/4852-2024-0x0000000000400000-0x000000000040A000-memory.dmp

      Filesize

      40KB

    • memory/4852-2028-0x0000000000400000-0x0000000000408000-memory.dmp

      Filesize

      32KB

    • memory/4852-2036-0x0000000000400000-0x000000000041C000-memory.dmp

      Filesize

      112KB

    • memory/4852-2048-0x0000000000400000-0x000000000041C000-memory.dmp

      Filesize

      112KB

    • memory/4852-2057-0x0000000006300000-0x0000000006308000-memory.dmp

      Filesize

      32KB

    • memory/4852-2062-0x0000000006300000-0x0000000006308000-memory.dmp

      Filesize

      32KB

    • memory/4852-2079-0x0000000000400000-0x0000000000412000-memory.dmp

      Filesize

      72KB

    • memory/4852-2071-0x0000000006300000-0x000000000630E000-memory.dmp

      Filesize

      56KB

    • memory/4852-2070-0x0000000000400000-0x0000000000408000-memory.dmp

      Filesize

      32KB

    • memory/4852-2091-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

    • memory/4852-2095-0x0000000000400000-0x000000000040A000-memory.dmp

      Filesize

      40KB

    • memory/4852-2100-0x0000000006320000-0x000000000634A000-memory.dmp

      Filesize

      168KB

    • memory/4852-2101-0x0000000006320000-0x0000000006348000-memory.dmp

      Filesize

      160KB

    • memory/4852-2109-0x0000000006320000-0x0000000006346000-memory.dmp

      Filesize

      152KB

    • memory/4852-2108-0x0000000006310000-0x000000000632E000-memory.dmp

      Filesize

      120KB

    • memory/4852-2110-0x0000000006300000-0x000000000630C000-memory.dmp

      Filesize

      48KB

    • memory/4852-2111-0x0000000006300000-0x000000000630A000-memory.dmp

      Filesize

      40KB

    • memory/4852-2112-0x0000000006300000-0x000000000630C000-memory.dmp

      Filesize

      48KB

    • memory/4852-2113-0x0000000006300000-0x000000000630C000-memory.dmp

      Filesize

      48KB

    • memory/4852-2114-0x0000000006300000-0x000000000630C000-memory.dmp

      Filesize

      48KB