Analysis

  • max time kernel
    669s
  • max time network
    677s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    05-05-2024 17:25

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 11 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
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • 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 42 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:2868
    • 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:2116
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell.exe -ExecutionPolicy Bypass -File mxfixer.ps1
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2112
    • 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:2704
      • 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\cdoz9_dm.cmdline"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2820
        • 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\RESE73.tmp" "c:\Users\Admin\AppData\Local\Temp\CSCE72.tmp"
          4⤵
            PID:1520
        • C:\Windows\SysWOW64\WindowsInput.exe
          "C:\Windows\SysWOW64\WindowsInput.exe" --install
          3⤵
          • Executes dropped EXE
          • Drops file in System32 directory
          PID:1956
        • 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:4876
          • C:\Users\Admin\AppData\Roaming\svchost.exe
            "C:\Users\Admin\AppData\Roaming\svchost.exe" /launchSelfAndExit "C:\ProgramData\Chrome\chromedriver.exe" 4876 /protectFile
            4⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1400
            • C:\Users\Admin\AppData\Roaming\svchost.exe
              "C:\Users\Admin\AppData\Roaming\svchost.exe" /watchProcess "C:\ProgramData\Chrome\chromedriver.exe" 4876 "/protectFile"
              5⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:3172
      • 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:2420
    • C:\Windows\SysWOW64\WindowsInput.exe
      "C:\Windows\SysWOW64\WindowsInput.exe"
      1⤵
      • Executes dropped EXE
      PID:4772
    • C:\Windows\system32\taskeng.exe
      taskeng.exe {E5C30EB6-1BD9-4821-9894-1E5BDF216D20} S-1-5-21-330940541-141609230-1670313778-1000:KXIPPCKF\Admin:Interactive:[1]
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:4968
      • C:\ProgramData\Chrome\chromedriver.exe
        C:\ProgramData\Chrome\chromedriver.exe
        2⤵
        • Executes dropped EXE
        PID:5004
      • C:\ProgramData\Chrome\chromedriver.exe
        C:\ProgramData\Chrome\chromedriver.exe
        2⤵
        • Executes dropped EXE
        PID:3064
      • C:\ProgramData\Chrome\chromedriver.exe
        C:\ProgramData\Chrome\chromedriver.exe
        2⤵
        • Executes dropped EXE
        PID:4092

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Execution

    Command and Scripting Interpreter

    1
    T1059

    PowerShell

    1
    T1059.001

    Persistence

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Privilege Escalation

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Defense Evasion

    Modify Registry

    1
    T1112

    Discovery

    System Information Discovery

    1
    T1082

    Query Registry

    1
    T1012

    Replay Monitor

    Loading Replay Monitor...

    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\RESE73.tmp
      Filesize

      1KB

      MD5

      d8e940f782adbf1bee405f45dba37577

      SHA1

      9a4f038dcc5240d134b525595171f80255abfde5

      SHA256

      188382593e9cb97b3a786caec81c4ec042a0199ff1c273279b22da9bf7fdb69c

      SHA512

      d7326239d42d8d2f086fdc34d4049a91a658ca78cbd5d03f2312d9ebf1d138b55ea904bd832e3581ac2618b1ec1751c1b1aa003e6d8a9f179965aa876b82a3af

    • 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\cdoz9_dm.dll
      Filesize

      76KB

      MD5

      d798b68b0e6632fc901f9d76db1be607

      SHA1

      e8c56a135ddf7475a399f0b5c7825c757c468ce9

      SHA256

      2e20d0d09078a6d01f6a97d179bd807bc1443728728013ad50f58daffd4cb0b2

      SHA512

      1b190c553c9cfecc04d2d95d93d417ed9918e4aac23719f881208e90b61efaec1c501e5faf62e26da6be29784b8296dae860c3cba8cd924a7e83d62d413bf482

    • 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\CSCE72.tmp
      Filesize

      676B

      MD5

      6f53ab201a9b89d8527c796a715d2c66

      SHA1

      bce9dcf0ea7b49d5ad0ed5163688401372ec7d8b

      SHA256

      a4e62f9c9ee4da0284a5af7cb1d57c734da3820ec49b42dd613fcad30a258e2a

      SHA512

      997475d99d67b7202dc5be22ddd91d1def9baee45e69b7840ee15a22aa1ae952c29d353f1f2f7abbce55a1b2fcae0b8827c389f0e0b3dae21cea04bc9992365f

    • \??\c:\Users\Admin\AppData\Local\Temp\cdoz9_dm.0.cs
      Filesize

      208KB

      MD5

      6011503497b1b9250a05debf9690e52c

      SHA1

      897aea61e9bffc82d7031f1b3da12fb83efc6d82

      SHA256

      08f42b8d57bb61bc8f9628c8a80953b06ca4149d50108083fca6dc26bdd49434

      SHA512

      604c33e82e8b5bb5c54389c2899c81e5482a06e69db08268173a5b4574327ee5de656d312011d07e50a2e398a4c9b0cd79029013f76e05e18cf67ce5a916ffd9

    • \??\c:\Users\Admin\AppData\Local\Temp\cdoz9_dm.cmdline
      Filesize

      349B

      MD5

      4bd37ad15ca4337749111683f8fc3ea6

      SHA1

      96fdf980c489a2c0105f52f7b8677561e3c740dc

      SHA256

      e0a58a6708b4dd859652b1d2a1c9f566417d39c670ae8717cc3e4ed62fd019c0

      SHA512

      ba6446a3676907c0e95005061e157c3507a295cb4130d9899d8302586112fd1b8719a20b9764effe0019346bb58178a43e6d6b15005472dc9f08889650176625

    • \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/1400-11750-0x0000000000860000-0x0000000000868000-memory.dmp
      Filesize

      32KB

    • memory/1956-58-0x0000000001200000-0x000000000120C000-memory.dmp
      Filesize

      48KB

    • memory/2112-30-0x000000001B290000-0x000000001B572000-memory.dmp
      Filesize

      2.9MB

    • memory/2112-31-0x0000000002390000-0x0000000002398000-memory.dmp
      Filesize

      32KB

    • memory/2420-77-0x0000000004FB0000-0x000000000519E000-memory.dmp
      Filesize

      1.9MB

    • memory/2420-89-0x0000000004FB0000-0x000000000519E000-memory.dmp
      Filesize

      1.9MB

    • memory/2420-11756-0x0000000073B60000-0x0000000073B97000-memory.dmp
      Filesize

      220KB

    • memory/2420-107-0x0000000004FB0000-0x000000000519E000-memory.dmp
      Filesize

      1.9MB

    • memory/2420-109-0x0000000004FB0000-0x000000000519E000-memory.dmp
      Filesize

      1.9MB

    • memory/2420-113-0x0000000004FB0000-0x000000000519E000-memory.dmp
      Filesize

      1.9MB

    • memory/2420-115-0x0000000004FB0000-0x000000000519E000-memory.dmp
      Filesize

      1.9MB

    • memory/2420-119-0x0000000004FB0000-0x000000000519E000-memory.dmp
      Filesize

      1.9MB

    • memory/2420-121-0x0000000004FB0000-0x000000000519E000-memory.dmp
      Filesize

      1.9MB

    • memory/2420-123-0x0000000004FB0000-0x000000000519E000-memory.dmp
      Filesize

      1.9MB

    • memory/2420-59-0x0000000004FB0000-0x00000000051A2000-memory.dmp
      Filesize

      1.9MB

    • memory/2420-125-0x0000000004FB0000-0x000000000519E000-memory.dmp
      Filesize

      1.9MB

    • memory/2420-66-0x0000000073B60000-0x0000000073B97000-memory.dmp
      Filesize

      220KB

    • memory/2420-67-0x0000000073E40000-0x0000000073EC0000-memory.dmp
      Filesize

      512KB

    • memory/2420-68-0x0000000004FB0000-0x000000000519E000-memory.dmp
      Filesize

      1.9MB

    • memory/2420-69-0x0000000004FB0000-0x000000000519E000-memory.dmp
      Filesize

      1.9MB

    • memory/2420-85-0x0000000004FB0000-0x000000000519E000-memory.dmp
      Filesize

      1.9MB

    • memory/2420-71-0x0000000004FB0000-0x000000000519E000-memory.dmp
      Filesize

      1.9MB

    • memory/2420-73-0x0000000004FB0000-0x000000000519E000-memory.dmp
      Filesize

      1.9MB

    • memory/2420-127-0x0000000004FB0000-0x000000000519E000-memory.dmp
      Filesize

      1.9MB

    • memory/2420-75-0x0000000004FB0000-0x000000000519E000-memory.dmp
      Filesize

      1.9MB

    • memory/2420-83-0x0000000004FB0000-0x000000000519E000-memory.dmp
      Filesize

      1.9MB

    • memory/2420-81-0x0000000004FB0000-0x000000000519E000-memory.dmp
      Filesize

      1.9MB

    • memory/2420-79-0x0000000004FB0000-0x000000000519E000-memory.dmp
      Filesize

      1.9MB

    • memory/2420-93-0x0000000004FB0000-0x000000000519E000-memory.dmp
      Filesize

      1.9MB

    • memory/2420-87-0x0000000004FB0000-0x000000000519E000-memory.dmp
      Filesize

      1.9MB

    • memory/2420-91-0x0000000004FB0000-0x000000000519E000-memory.dmp
      Filesize

      1.9MB

    • memory/2420-33-0x0000000000290000-0x000000000043C000-memory.dmp
      Filesize

      1.7MB

    • memory/2420-97-0x0000000004FB0000-0x000000000519E000-memory.dmp
      Filesize

      1.9MB

    • memory/2420-95-0x0000000004FB0000-0x000000000519E000-memory.dmp
      Filesize

      1.9MB

    • memory/2420-111-0x0000000004FB0000-0x000000000519E000-memory.dmp
      Filesize

      1.9MB

    • memory/2420-117-0x0000000004FB0000-0x000000000519E000-memory.dmp
      Filesize

      1.9MB

    • memory/2420-99-0x0000000004FB0000-0x000000000519E000-memory.dmp
      Filesize

      1.9MB

    • memory/2420-103-0x0000000004FB0000-0x000000000519E000-memory.dmp
      Filesize

      1.9MB

    • memory/2420-105-0x0000000004FB0000-0x000000000519E000-memory.dmp
      Filesize

      1.9MB

    • memory/2420-101-0x0000000004FB0000-0x000000000519E000-memory.dmp
      Filesize

      1.9MB

    • memory/2420-129-0x0000000004FB0000-0x000000000519E000-memory.dmp
      Filesize

      1.9MB

    • memory/2704-47-0x0000000000A00000-0x0000000000A16000-memory.dmp
      Filesize

      88KB

    • memory/2704-32-0x000007FEF1D80000-0x000007FEF271D000-memory.dmp
      Filesize

      9.6MB

    • memory/2704-24-0x0000000000380000-0x000000000038E000-memory.dmp
      Filesize

      56KB

    • memory/2704-11735-0x000007FEF1D80000-0x000007FEF271D000-memory.dmp
      Filesize

      9.6MB

    • memory/2704-21-0x000000001AEB0000-0x000000001AF0C000-memory.dmp
      Filesize

      368KB

    • memory/2704-50-0x00000000007A0000-0x00000000007A8000-memory.dmp
      Filesize

      32KB

    • memory/2704-49-0x00000000003C0000-0x00000000003D2000-memory.dmp
      Filesize

      72KB

    • memory/2704-23-0x000007FEF203E000-0x000007FEF203F000-memory.dmp
      Filesize

      4KB

    • memory/2704-22-0x0000000000A20000-0x0000000000AA0000-memory.dmp
      Filesize

      512KB

    • memory/2868-19-0x000007FEF5690000-0x000007FEF607C000-memory.dmp
      Filesize

      9.9MB

    • memory/2868-25-0x000007FEF5690000-0x000007FEF607C000-memory.dmp
      Filesize

      9.9MB

    • memory/2868-0-0x000007FEF5693000-0x000007FEF5694000-memory.dmp
      Filesize

      4KB

    • memory/2868-1-0x0000000000B60000-0x0000000000DA4000-memory.dmp
      Filesize

      2.3MB

    • memory/4772-11725-0x0000000001310000-0x000000000131C000-memory.dmp
      Filesize

      48KB

    • memory/4876-11736-0x0000000000C00000-0x0000000000CFC000-memory.dmp
      Filesize

      1008KB

    • memory/4876-11737-0x0000000000510000-0x0000000000522000-memory.dmp
      Filesize

      72KB

    • memory/4876-11738-0x00000000022E0000-0x000000000232E000-memory.dmp
      Filesize

      312KB

    • memory/4876-11739-0x0000000002110000-0x0000000002128000-memory.dmp
      Filesize

      96KB

    • memory/4876-11741-0x0000000002130000-0x0000000002140000-memory.dmp
      Filesize

      64KB