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Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    30/11/2023, 01:49

General

  • Target

    e682b6d71171000383f9b6bd819ae9017794b98d7a24243a4ec5b6a132876bf5.exe

  • Size

    921KB

  • MD5

    6300a61dfb2ca101fecf2e3737c43194

  • SHA1

    361d3007da8a3dacc3d42a02b67c232ae074982f

  • SHA256

    e682b6d71171000383f9b6bd819ae9017794b98d7a24243a4ec5b6a132876bf5

  • SHA512

    991120e393165a42ceab9a31f696d6a8495545ee40218abf92a2cd631235b610156e2afd2d9d96964a5e6f6dd7ca89e516b8b474bcb9a68523ac4946aea762a4

  • SSDEEP

    24576:mkL94MROxnF43A5rrcI0AilFEvxHP3zooV:lWMiGerrcI0AilFEvxHP3

Malware Config

Extracted

Family

orcus

C2

s1.putinso.site:2004

Mutex

2735597b534846cb8b384bdb5863f82c

Attributes
  • autostart_method

    TaskScheduler

  • enable_keylogger

    true

  • install_path

    %programfiles%\Regedit\svhost.exe

  • reconnect_delay

    10000

  • registry_keyname

    svhost

  • taskscheduler_taskname

    svhost

  • watchdog_path

    AppData\regedit.exe

Signatures

  • Orcus

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

  • Orcus main payload 5 IoCs
  • Orcurs Rat Executable 7 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 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).

  • Runs regedit.exe 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e682b6d71171000383f9b6bd819ae9017794b98d7a24243a4ec5b6a132876bf5.exe
    "C:\Users\Admin\AppData\Local\Temp\e682b6d71171000383f9b6bd819ae9017794b98d7a24243a4ec5b6a132876bf5.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:2296
    • C:\Windows\SysWOW64\WindowsInput.exe
      "C:\Windows\SysWOW64\WindowsInput.exe" --install
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      PID:1072
    • C:\Program Files (x86)\Regedit\svhost.exe
      "C:\Program Files (x86)\Regedit\svhost.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2744
      • C:\Users\Admin\AppData\Roaming\regedit.exe
        "C:\Users\Admin\AppData\Roaming\regedit.exe" /launchSelfAndExit "C:\Program Files (x86)\Regedit\svhost.exe" 2744 /protectFile
        3⤵
        • Executes dropped EXE
        • Runs regedit.exe
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2160
        • C:\Users\Admin\AppData\Roaming\regedit.exe
          "C:\Users\Admin\AppData\Roaming\regedit.exe" /watchProcess "C:\Program Files (x86)\Regedit\svhost.exe" 2744 "/protectFile"
          4⤵
          • Executes dropped EXE
          • Runs regedit.exe
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2256
  • C:\Windows\SysWOW64\WindowsInput.exe
    "C:\Windows\SysWOW64\WindowsInput.exe"
    1⤵
    • Executes dropped EXE
    PID:3068
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {06BF9760-93F4-4022-AE3C-F4D5777EC715} S-1-5-21-2952504676-3105837840-1406404655-1000:URUOZWGF\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2768
    • C:\Program Files (x86)\Regedit\svhost.exe
      "C:\Program Files (x86)\Regedit\svhost.exe"
      2⤵
      • Executes dropped EXE
      PID:2616

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Regedit\svhost.exe

    Filesize

    921KB

    MD5

    6300a61dfb2ca101fecf2e3737c43194

    SHA1

    361d3007da8a3dacc3d42a02b67c232ae074982f

    SHA256

    e682b6d71171000383f9b6bd819ae9017794b98d7a24243a4ec5b6a132876bf5

    SHA512

    991120e393165a42ceab9a31f696d6a8495545ee40218abf92a2cd631235b610156e2afd2d9d96964a5e6f6dd7ca89e516b8b474bcb9a68523ac4946aea762a4

  • C:\Program Files (x86)\Regedit\svhost.exe

    Filesize

    921KB

    MD5

    6300a61dfb2ca101fecf2e3737c43194

    SHA1

    361d3007da8a3dacc3d42a02b67c232ae074982f

    SHA256

    e682b6d71171000383f9b6bd819ae9017794b98d7a24243a4ec5b6a132876bf5

    SHA512

    991120e393165a42ceab9a31f696d6a8495545ee40218abf92a2cd631235b610156e2afd2d9d96964a5e6f6dd7ca89e516b8b474bcb9a68523ac4946aea762a4

  • C:\Program Files (x86)\Regedit\svhost.exe

    Filesize

    921KB

    MD5

    6300a61dfb2ca101fecf2e3737c43194

    SHA1

    361d3007da8a3dacc3d42a02b67c232ae074982f

    SHA256

    e682b6d71171000383f9b6bd819ae9017794b98d7a24243a4ec5b6a132876bf5

    SHA512

    991120e393165a42ceab9a31f696d6a8495545ee40218abf92a2cd631235b610156e2afd2d9d96964a5e6f6dd7ca89e516b8b474bcb9a68523ac4946aea762a4

  • C:\Program Files (x86)\Regedit\svhost.exe

    Filesize

    921KB

    MD5

    6300a61dfb2ca101fecf2e3737c43194

    SHA1

    361d3007da8a3dacc3d42a02b67c232ae074982f

    SHA256

    e682b6d71171000383f9b6bd819ae9017794b98d7a24243a4ec5b6a132876bf5

    SHA512

    991120e393165a42ceab9a31f696d6a8495545ee40218abf92a2cd631235b610156e2afd2d9d96964a5e6f6dd7ca89e516b8b474bcb9a68523ac4946aea762a4

  • C:\Program Files (x86)\Regedit\svhost.exe.config

    Filesize

    357B

    MD5

    a2b76cea3a59fa9af5ea21ff68139c98

    SHA1

    35d76475e6a54c168f536e30206578babff58274

    SHA256

    f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

    SHA512

    b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

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

    Filesize

    9KB

    MD5

    913967b216326e36a08010fb70f9dba3

    SHA1

    7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

    SHA256

    8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

    SHA512

    c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

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

    Filesize

    9KB

    MD5

    913967b216326e36a08010fb70f9dba3

    SHA1

    7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

    SHA256

    8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

    SHA512

    c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

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

    Filesize

    9KB

    MD5

    913967b216326e36a08010fb70f9dba3

    SHA1

    7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

    SHA256

    8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

    SHA512

    c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

  • C:\Users\Admin\AppData\Roaming\regedit.exe.config

    Filesize

    357B

    MD5

    a2b76cea3a59fa9af5ea21ff68139c98

    SHA1

    35d76475e6a54c168f536e30206578babff58274

    SHA256

    f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

    SHA512

    b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

  • C:\Users\Admin\AppData\Roaming\svhost\err_2735597b534846cb8b384bdb5863f82c.dat

    Filesize

    1KB

    MD5

    d4e8a57636375dd3cd865383c49c5751

    SHA1

    f54f66d6d4b0e3a7f0f03d1b099111e5b73c4741

    SHA256

    e568889f87ddbe3af4f5b27c79ff13641e411cb80c18d1ee507f9f834e0db2e6

    SHA512

    6fcc6295473928f074528f75e65cdde1d2f34a13acbf93030a6bffde719d42a0556d55d4a315435586603bbcf3258bb39990f7131af12dac59e1b0a45425bff8

  • C:\Windows\SysWOW64\WindowsInput.exe

    Filesize

    21KB

    MD5

    e6fcf516d8ed8d0d4427f86e08d0d435

    SHA1

    c7691731583ab7890086635cb7f3e4c22ca5e409

    SHA256

    8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337

    SHA512

    c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e

  • C:\Windows\SysWOW64\WindowsInput.exe

    Filesize

    21KB

    MD5

    e6fcf516d8ed8d0d4427f86e08d0d435

    SHA1

    c7691731583ab7890086635cb7f3e4c22ca5e409

    SHA256

    8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337

    SHA512

    c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e

  • 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

  • \Program Files (x86)\Regedit\svhost.exe

    Filesize

    921KB

    MD5

    6300a61dfb2ca101fecf2e3737c43194

    SHA1

    361d3007da8a3dacc3d42a02b67c232ae074982f

    SHA256

    e682b6d71171000383f9b6bd819ae9017794b98d7a24243a4ec5b6a132876bf5

    SHA512

    991120e393165a42ceab9a31f696d6a8495545ee40218abf92a2cd631235b610156e2afd2d9d96964a5e6f6dd7ca89e516b8b474bcb9a68523ac4946aea762a4

  • \Users\Admin\AppData\Roaming\regedit.exe

    Filesize

    9KB

    MD5

    913967b216326e36a08010fb70f9dba3

    SHA1

    7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

    SHA256

    8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

    SHA512

    c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

  • \Windows\SysWOW64\WindowsInput.exe

    Filesize

    21KB

    MD5

    e6fcf516d8ed8d0d4427f86e08d0d435

    SHA1

    c7691731583ab7890086635cb7f3e4c22ca5e409

    SHA256

    8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337

    SHA512

    c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e

  • memory/1072-18-0x0000000000680000-0x0000000000700000-memory.dmp

    Filesize

    512KB

  • memory/1072-16-0x0000000000340000-0x000000000034C000-memory.dmp

    Filesize

    48KB

  • memory/1072-21-0x000007FEF4F80000-0x000007FEF596C000-memory.dmp

    Filesize

    9.9MB

  • memory/1072-17-0x000007FEF4F80000-0x000007FEF596C000-memory.dmp

    Filesize

    9.9MB

  • memory/2160-63-0x0000000073FE0000-0x00000000746CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2160-60-0x0000000073FE0000-0x00000000746CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2160-59-0x0000000000860000-0x0000000000868000-memory.dmp

    Filesize

    32KB

  • memory/2256-69-0x0000000073FE0000-0x00000000746CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2256-62-0x0000000073FE0000-0x00000000746CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2296-37-0x0000000073FE0000-0x00000000746CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2296-3-0x00000000004E0000-0x00000000004EE000-memory.dmp

    Filesize

    56KB

  • memory/2296-0-0x00000000003F0000-0x00000000004DC000-memory.dmp

    Filesize

    944KB

  • memory/2296-1-0x0000000073FE0000-0x00000000746CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2296-2-0x0000000001F00000-0x0000000001F40000-memory.dmp

    Filesize

    256KB

  • memory/2296-4-0x0000000004AE0000-0x0000000004B3C000-memory.dmp

    Filesize

    368KB

  • memory/2296-5-0x0000000000580000-0x0000000000592000-memory.dmp

    Filesize

    72KB

  • memory/2296-6-0x0000000000740000-0x0000000000748000-memory.dmp

    Filesize

    32KB

  • memory/2616-47-0x0000000073FE0000-0x00000000746CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2616-48-0x0000000000200000-0x0000000000240000-memory.dmp

    Filesize

    256KB

  • memory/2616-65-0x0000000073FE0000-0x00000000746CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2744-39-0x0000000004B50000-0x0000000004B90000-memory.dmp

    Filesize

    256KB

  • memory/2744-40-0x0000000000540000-0x0000000000552000-memory.dmp

    Filesize

    72KB

  • memory/2744-36-0x00000000011B0000-0x000000000129C000-memory.dmp

    Filesize

    944KB

  • memory/2744-43-0x0000000001070000-0x00000000010BE000-memory.dmp

    Filesize

    312KB

  • memory/2744-38-0x0000000073FE0000-0x00000000746CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2744-45-0x00000000010E0000-0x00000000010F0000-memory.dmp

    Filesize

    64KB

  • memory/2744-68-0x0000000004B50000-0x0000000004B90000-memory.dmp

    Filesize

    256KB

  • memory/2744-44-0x0000000000F50000-0x0000000000F68000-memory.dmp

    Filesize

    96KB

  • memory/2744-67-0x0000000004B50000-0x0000000004B90000-memory.dmp

    Filesize

    256KB

  • memory/2744-66-0x0000000073FE0000-0x00000000746CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2744-51-0x0000000004B50000-0x0000000004B90000-memory.dmp

    Filesize

    256KB

  • memory/3068-64-0x000007FEF4590000-0x000007FEF4F7C000-memory.dmp

    Filesize

    9.9MB

  • memory/3068-23-0x00000000012A0000-0x00000000012AC000-memory.dmp

    Filesize

    48KB

  • memory/3068-25-0x0000000019980000-0x0000000019A00000-memory.dmp

    Filesize

    512KB

  • memory/3068-24-0x000007FEF4590000-0x000007FEF4F7C000-memory.dmp

    Filesize

    9.9MB