Analysis

  • max time kernel
    153s
  • max time network
    162s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    30-04-2024 11:15

General

  • Target

    BlitzedGrabberV12/BlitzedGrabberV12.exe

  • Size

    926.0MB

  • MD5

    930b3bbbaa989db448d8ec5c696a5a16

  • SHA1

    a27e7c76990a31f1414d429e828c81e14f48a00a

  • SHA256

    eacf04d721fe4880dc73790ccbd58acf310dc0c90b13b7424200a9aa2b94640a

  • SHA512

    cb9dc7db9f4a4c0dc5407d0a9bbd5c1301d5c4d03fed7d6b972c61a816c8860aff072f1515189d21b3336448a7c19d99f636cc3b060e4628c2ef7dbd1e75291a

  • SSDEEP

    49152:KUAHP06/eyShf+okdWtRAOk3HQ7JTDCgV4L6uzxGiWaUKU:WmBf2dWtnGcDnMjFWxK

Malware Config

Extracted

Family

orcus

C2

209.25.141.181:40489

Mutex

248d60d8a7114264bce951ca45664b1d

Attributes
  • autostart_method

    TaskScheduler

  • enable_keylogger

    true

  • install_path

    %programdata%\Chrome\chromedriver.exe

  • reconnect_delay

    10000

  • registry_keyname

    Orcus

  • taskscheduler_taskname

    winlogon.exe

  • watchdog_path

    AppData\svchost.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
  • Executes dropped EXE 9 IoCs
  • Loads dropped DLL 2 IoCs
  • Obfuscated with Agile.Net obfuscator 33 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\BlitzedGrabberV12\BlitzedGrabberV12.exe
    "C:\Users\Admin\AppData\Local\Temp\BlitzedGrabberV12\BlitzedGrabberV12.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2220
    • C:\Users\Admin\AppData\Local\Temp\mxfix.EXE
      "C:\Users\Admin\AppData\Local\Temp\mxfix.EXE"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2232
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell.exe -ExecutionPolicy Bypass -File mxfixer.ps1
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2812
    • C:\Users\Admin\AppData\Local\Temp\UnityCrashHandlerV2.exe
      "C:\Users\Admin\AppData\Local\Temp\UnityCrashHandlerV2.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:2880
      • 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\bhomsn3a.cmdline"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2588
        • 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\RESE6B8.tmp" "c:\Users\Admin\AppData\Local\Temp\CSCE6B7.tmp"
          4⤵
            PID:2612
        • C:\Windows\SysWOW64\WindowsInput.exe
          "C:\Windows\SysWOW64\WindowsInput.exe" --install
          3⤵
          • Executes dropped EXE
          • Drops file in System32 directory
          PID:4596
        • C:\ProgramData\Chrome\chromedriver.exe
          "C:\ProgramData\Chrome\chromedriver.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4920
          • C:\Users\Admin\AppData\Roaming\svchost.exe
            "C:\Users\Admin\AppData\Roaming\svchost.exe" /launchSelfAndExit "C:\ProgramData\Chrome\chromedriver.exe" 4920 /protectFile
            4⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:2004
            • C:\Users\Admin\AppData\Roaming\svchost.exe
              "C:\Users\Admin\AppData\Roaming\svchost.exe" /watchProcess "C:\ProgramData\Chrome\chromedriver.exe" 4920 "/protectFile"
              5⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:2112
      • C:\Users\Admin\AppData\Local\Temp\BlitzedGrabberV12.exe
        "C:\Users\Admin\AppData\Local\Temp\BlitzedGrabberV12.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetWindowsHookEx
        PID:1896
    • C:\Windows\SysWOW64\WindowsInput.exe
      "C:\Windows\SysWOW64\WindowsInput.exe"
      1⤵
      • Executes dropped EXE
      PID:4736
    • C:\Windows\system32\taskeng.exe
      taskeng.exe {C5E959C8-C5AC-4AA7-A395-4A3A9E169CB9} S-1-5-21-330940541-141609230-1670313778-1000:KXIPPCKF\Admin:Interactive:[1]
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:5036
      • C:\ProgramData\Chrome\chromedriver.exe
        C:\ProgramData\Chrome\chromedriver.exe
        2⤵
        • Executes dropped EXE
        PID:5088

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\BlitzedGrabberV12.exe

      Filesize

      1.6MB

      MD5

      228a69dc15032fd0fb7100ff8561185e

      SHA1

      f8dbc89fed8078da7f306cb78b92ce04a0bdeb00

      SHA256

      920bec9d500f6446b84399ab4c84858d0f0d7d1abb2e0377399ebbc4bafad709

      SHA512

      373621c4743fa72571b3c8375aa6f7852303a821558b016b002d2af07154787d978f66696db89eeed8fe41f4aed5d66b690d4f87469939f9b1dea2ac2b9101f1

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\mxfixer.ps1

      Filesize

      35B

      MD5

      5d792fc7c4e2fd3eb595fce4883dcb2d

      SHA1

      ee2a88f769ad746f119e144bd06832cb55ef1e0f

      SHA256

      41eccaa8649345b33e57f5d494429276e9f2eb23ca981f018da33a34aabfd8eb

      SHA512

      4b85fe8205c705914867227c97aa1333421970d8e6f11b2ac6be8e95fef1a0f31f985547eafe52e382f13c2a16afa05462bd614b75bee250464c50734d59a92e

    • C:\Users\Admin\AppData\Local\Temp\RESE6B8.tmp

      Filesize

      1KB

      MD5

      0fd517fab3c43a85a553806cd371591c

      SHA1

      f8a07a54b7b45b3c29b160fa469c5ac0b9df78d7

      SHA256

      4cf3466eb11a3714dda6a4ddf8880a5448213c2dd0f2dffe2b4b3a5317984e49

      SHA512

      8106eb2b24381be30ada229defcd3cffebde4551d83bd4b9a6061eba6cab9c15edb5842e1f9b54477c3499f4601b44586a7589e534f054726f61a33fbb286088

    • C:\Users\Admin\AppData\Local\Temp\UnityCrashHandlerV2.exe

      Filesize

      6.0MB

      MD5

      3926c7b8fdfb0ab3b92303760b14d402

      SHA1

      b33e12ef4bdcd418139db59d048609c45fe8f9eb

      SHA256

      c101904ec19b45612213c2b398892a4523f63862bb3e24c245509db2417585e7

      SHA512

      4a022be27f58b1735f3a0ac9abdedbd769adb4e3ca1dacdcdc98700b17e138b647f9059585c8ef37fdd7072ad6283e95f10def171584097eb8c70e7d1212ce0e

    • C:\Users\Admin\AppData\Local\Temp\bhomsn3a.dll

      Filesize

      76KB

      MD5

      c2620148308ee52912fc2967e2daf650

      SHA1

      a8990e0ee024f606a37bce88a4762e917693b3c0

      SHA256

      9f58f57070a38ded10b3513ec8b08120248747ecfe9602dca14c3b71545dc4e6

      SHA512

      72b1993076f66a1e0353400fff4c6c420b8ecf099e10829afb012d2bee340f51f5ad991bd82d5d052264e578fb1e705bb12aa3261662bee733341cec5ff7b536

    • C:\Users\Admin\AppData\Roaming\svchost.exe

      Filesize

      9KB

      MD5

      913967b216326e36a08010fb70f9dba3

      SHA1

      7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

      SHA256

      8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

      SHA512

      c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

    • 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\CSCE6B7.tmp

      Filesize

      676B

      MD5

      76805d059fd6cf73ade4fec264d89246

      SHA1

      c3d530bf6c54ab6840f3cca96b5a1ce668bb654c

      SHA256

      50645b78c26e764d6fe125c2810dc6bcc1d3215dbf7a1aff97a90a095dcbf08e

      SHA512

      f6919abe81762b3de0d346ebe5a1b09d79d14c0e7103ff31ecf65b70142a67b06f0e856eebb59e327a1d5ad249e82291a61f64f9b60bc3e7fe8f2d20647c4632

    • \??\c:\Users\Admin\AppData\Local\Temp\bhomsn3a.0.cs

      Filesize

      208KB

      MD5

      2b14ae8b54d216abf4d228493ceca44a

      SHA1

      d134351498e4273e9d6391153e35416bc743adef

      SHA256

      4e1cc3da1f7bf92773aae6cffa6d61bfc3e25aead3ad947f6215f93a053f346c

      SHA512

      5761b605add10ae3ef80f3b8706c8241b4e8abe4ac3ce36b7be8a97d08b08da5a72fedd5e976b3c9e1c463613a943ebb5d323e6a075ef6c7c3b1abdc0d53ac05

    • \??\c:\Users\Admin\AppData\Local\Temp\bhomsn3a.cmdline

      Filesize

      349B

      MD5

      8d6cf9eebfcf3aad5d7b7b233cad9d34

      SHA1

      f23e5909990ca9fab2494fa23ef81abdf90ac202

      SHA256

      34f84ed9e372f97203019d1af73421ee03bf59f498a0064dcb382cfee726e547

      SHA512

      94a036c22b98b4da40c717646b3b6325dd80f17edd91d3bcda0d9e578970d589999f3e516efa9251d2fef437e934d612888e58df54d8d648b8d62d655dafb560

    • \Users\Admin\AppData\Local\Temp\dcfb00f9-5ae7-4197-ba59-e48107e40d35\GunaDotNetRT.dll

      Filesize

      136KB

      MD5

      9af5eb006bb0bab7f226272d82c896c7

      SHA1

      c2a5bb42a5f08f4dc821be374b700652262308f0

      SHA256

      77dc05a6bda90757f66552ee3f469b09f1e00732b4edca0f542872fb591ed9db

      SHA512

      7badd41be4c1039302fda9bba19d374ec9446ce24b7db33b66bee4ef38180d1abcd666d2aea468e7e452aa1e1565eedfefed582bf1c2fe477a4171d99d48772a

    • \Users\Admin\AppData\Local\Temp\mxfix.EXE

      Filesize

      155KB

      MD5

      b4ec612c441786aa614ce5f32edae475

      SHA1

      3a264f8daeec9b156ddb5ed576d490dd8fbd8e7d

      SHA256

      e18ba6573b9aa2d139ed5c30f18ac2ece3ce8287d1651db4bc632dbc816f53bd

      SHA512

      c6800371cdc2b571061e6e755a2c95f49dcb233c3999976f180cb7cf95fa2c62d03b52a3c497a2cd7ae46ec72eaf823db25bd291ca676724194c05966f2bce16

    • memory/1896-113-0x0000000005180000-0x000000000536E000-memory.dmp

      Filesize

      1.9MB

    • memory/1896-99-0x0000000005180000-0x000000000536E000-memory.dmp

      Filesize

      1.9MB

    • memory/1896-11751-0x0000000074B00000-0x0000000074B37000-memory.dmp

      Filesize

      220KB

    • memory/1896-67-0x0000000005180000-0x000000000536E000-memory.dmp

      Filesize

      1.9MB

    • memory/1896-29-0x00000000003F0000-0x000000000059C000-memory.dmp

      Filesize

      1.7MB

    • memory/1896-105-0x0000000005180000-0x000000000536E000-memory.dmp

      Filesize

      1.9MB

    • memory/1896-46-0x0000000005180000-0x0000000005372000-memory.dmp

      Filesize

      1.9MB

    • memory/1896-103-0x0000000005180000-0x000000000536E000-memory.dmp

      Filesize

      1.9MB

    • memory/1896-109-0x0000000005180000-0x000000000536E000-memory.dmp

      Filesize

      1.9MB

    • memory/1896-111-0x0000000005180000-0x000000000536E000-memory.dmp

      Filesize

      1.9MB

    • memory/1896-57-0x0000000074B00000-0x0000000074B37000-memory.dmp

      Filesize

      220KB

    • memory/1896-61-0x0000000005180000-0x000000000536E000-memory.dmp

      Filesize

      1.9MB

    • memory/1896-63-0x0000000005180000-0x000000000536E000-memory.dmp

      Filesize

      1.9MB

    • memory/1896-60-0x0000000005180000-0x000000000536E000-memory.dmp

      Filesize

      1.9MB

    • memory/1896-65-0x0000000005180000-0x000000000536E000-memory.dmp

      Filesize

      1.9MB

    • memory/1896-59-0x0000000074790000-0x0000000074810000-memory.dmp

      Filesize

      512KB

    • memory/1896-69-0x0000000005180000-0x000000000536E000-memory.dmp

      Filesize

      1.9MB

    • memory/1896-71-0x0000000005180000-0x000000000536E000-memory.dmp

      Filesize

      1.9MB

    • memory/1896-75-0x0000000005180000-0x000000000536E000-memory.dmp

      Filesize

      1.9MB

    • memory/1896-81-0x0000000005180000-0x000000000536E000-memory.dmp

      Filesize

      1.9MB

    • memory/1896-83-0x0000000005180000-0x000000000536E000-memory.dmp

      Filesize

      1.9MB

    • memory/1896-85-0x0000000005180000-0x000000000536E000-memory.dmp

      Filesize

      1.9MB

    • memory/1896-115-0x0000000005180000-0x000000000536E000-memory.dmp

      Filesize

      1.9MB

    • memory/1896-89-0x0000000005180000-0x000000000536E000-memory.dmp

      Filesize

      1.9MB

    • memory/1896-101-0x0000000005180000-0x000000000536E000-memory.dmp

      Filesize

      1.9MB

    • memory/1896-73-0x0000000005180000-0x000000000536E000-memory.dmp

      Filesize

      1.9MB

    • memory/1896-87-0x0000000005180000-0x000000000536E000-memory.dmp

      Filesize

      1.9MB

    • memory/1896-95-0x0000000005180000-0x000000000536E000-memory.dmp

      Filesize

      1.9MB

    • memory/1896-119-0x0000000005180000-0x000000000536E000-memory.dmp

      Filesize

      1.9MB

    • memory/1896-77-0x0000000005180000-0x000000000536E000-memory.dmp

      Filesize

      1.9MB

    • memory/1896-79-0x0000000005180000-0x000000000536E000-memory.dmp

      Filesize

      1.9MB

    • memory/1896-91-0x0000000005180000-0x000000000536E000-memory.dmp

      Filesize

      1.9MB

    • memory/1896-93-0x0000000005180000-0x000000000536E000-memory.dmp

      Filesize

      1.9MB

    • memory/1896-97-0x0000000005180000-0x000000000536E000-memory.dmp

      Filesize

      1.9MB

    • memory/1896-107-0x0000000005180000-0x000000000536E000-memory.dmp

      Filesize

      1.9MB

    • memory/1896-117-0x0000000005180000-0x000000000536E000-memory.dmp

      Filesize

      1.9MB

    • memory/1896-121-0x0000000005180000-0x000000000536E000-memory.dmp

      Filesize

      1.9MB

    • memory/2004-11749-0x00000000013A0000-0x00000000013A8000-memory.dmp

      Filesize

      32KB

    • memory/2220-2-0x000000001AE90000-0x000000001AF10000-memory.dmp

      Filesize

      512KB

    • memory/2220-0-0x00000000011E0000-0x0000000001424000-memory.dmp

      Filesize

      2.3MB

    • memory/2220-1-0x000007FEF6170000-0x000007FEF6B5C000-memory.dmp

      Filesize

      9.9MB

    • memory/2220-27-0x000007FEF6170000-0x000007FEF6B5C000-memory.dmp

      Filesize

      9.9MB

    • memory/2812-30-0x00000000024E0000-0x00000000024E8000-memory.dmp

      Filesize

      32KB

    • memory/2812-28-0x000000001B350000-0x000000001B632000-memory.dmp

      Filesize

      2.9MB

    • memory/2880-48-0x00000000007F0000-0x00000000007F8000-memory.dmp

      Filesize

      32KB

    • memory/2880-26-0x00000000005A0000-0x00000000005AE000-memory.dmp

      Filesize

      56KB

    • memory/2880-25-0x0000000000A30000-0x0000000000A8C000-memory.dmp

      Filesize

      368KB

    • memory/2880-47-0x00000000005D0000-0x00000000005E2000-memory.dmp

      Filesize

      72KB

    • memory/2880-44-0x0000000002340000-0x0000000002356000-memory.dmp

      Filesize

      88KB

    • memory/4596-11718-0x0000000000A90000-0x0000000000A9C000-memory.dmp

      Filesize

      48KB

    • memory/4736-11722-0x0000000000E00000-0x0000000000E0C000-memory.dmp

      Filesize

      48KB

    • memory/4920-11732-0x0000000001080000-0x000000000117C000-memory.dmp

      Filesize

      1008KB

    • memory/4920-11737-0x0000000001030000-0x000000000107E000-memory.dmp

      Filesize

      312KB

    • memory/4920-11738-0x0000000000750000-0x0000000000768000-memory.dmp

      Filesize

      96KB

    • memory/4920-11739-0x0000000000BA0000-0x0000000000BB0000-memory.dmp

      Filesize

      64KB