Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-12-2024 01:15

General

  • Target

    890a02f4e0c8bc09cfad53b688ad04016d8c78e94514e69684323598aabd6361.exe

  • Size

    933KB

  • MD5

    46418e78f2b8d6b8ff8069610f499921

  • SHA1

    529fbc61339cf988b2d98a25a30bc548019c0125

  • SHA256

    890a02f4e0c8bc09cfad53b688ad04016d8c78e94514e69684323598aabd6361

  • SHA512

    1b1d97a413b0f2de21d056aac047c2f279a5b3c7314513a4f983262fb03eede5f065aaa2d02943b964dd9c4306db5f84a50889a280c6c2da97a94359a224ef69

  • SSDEEP

    24576:yRP4MROxnFKj3wyv/rrcI0AilFEvxHPUooS:yyMi4TwurrcI0AilFEvxHP

Malware Config

Extracted

Family

orcus

Botnet

vgbn

C2

192.168.0.104:10134

Mutex

2efe898857ff456fbb532c7b6f2f16cb

Attributes
  • autostart_method

    TaskScheduler

  • enable_keylogger

    true

  • install_path

    %programfiles%\Windows\xcvbhdf.exe

  • reconnect_delay

    10000

  • registry_keyname

    xcvbhdf.exe

  • taskscheduler_taskname

    xcvbhdf.exe

  • watchdog_path

    AppData\asdfasdfasdf.exe

Signatures

  • Contains code to disable Windows Defender 1 IoCs

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 7 IoCs
  • Orcus

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

  • Orcus family
  • Orcus main payload 1 IoCs
  • UAC bypass 3 TTPs 6 IoCs
  • Orcurs Rat Executable 2 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Executes dropped EXE 6 IoCs
  • Windows security modification 2 TTPs 3 IoCs
  • Checks whether UAC is enabled 1 TTPs 4 IoCs
  • Hijack Execution Flow: Executable Installer File Permissions Weakness 1 TTPs 2 IoCs

    Possible Turn off User Account Control's privilege elevation for standard users.

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • System policy modification 1 TTPs 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\890a02f4e0c8bc09cfad53b688ad04016d8c78e94514e69684323598aabd6361.exe
    "C:\Users\Admin\AppData\Local\Temp\890a02f4e0c8bc09cfad53b688ad04016d8c78e94514e69684323598aabd6361.exe"
    1⤵
    • Modifies Windows Defender Real-time Protection settings
    • UAC bypass
    • Checks computer location settings
    • Windows security modification
    • Checks whether UAC is enabled
    • Hijack Execution Flow: Executable Installer File Permissions Weakness
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:4988
    • C:\Windows\SysWOW64\WindowsInput.exe
      "C:\Windows\SysWOW64\WindowsInput.exe" --install
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      PID:4816
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" Get-MpPreference -verbose
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2756
    • C:\Program Files (x86)\Windows\xcvbhdf.exe
      "C:\Program Files (x86)\Windows\xcvbhdf.exe"
      2⤵
      • Modifies Windows Defender Real-time Protection settings
      • UAC bypass
      • Checks computer location settings
      • Executes dropped EXE
      • Windows security modification
      • Checks whether UAC is enabled
      • Hijack Execution Flow: Executable Installer File Permissions Weakness
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:612
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "powershell" Get-MpPreference -verbose
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4288
      • C:\Users\Admin\AppData\Roaming\asdfasdfasdf.exe
        "C:\Users\Admin\AppData\Roaming\asdfasdfasdf.exe" /launchSelfAndExit "C:\Program Files (x86)\Windows\xcvbhdf.exe" 612 /protectFile
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1356
        • C:\Users\Admin\AppData\Roaming\asdfasdfasdf.exe
          "C:\Users\Admin\AppData\Roaming\asdfasdfasdf.exe" /watchProcess "C:\Program Files (x86)\Windows\xcvbhdf.exe" 612 "/protectFile"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2716
  • C:\Windows\SysWOW64\WindowsInput.exe
    "C:\Windows\SysWOW64\WindowsInput.exe"
    1⤵
    • Executes dropped EXE
    PID:1112
  • C:\Program Files (x86)\Windows\xcvbhdf.exe
    "C:\Program Files (x86)\Windows\xcvbhdf.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3752

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Windows\xcvbhdf.exe

    Filesize

    933KB

    MD5

    46418e78f2b8d6b8ff8069610f499921

    SHA1

    529fbc61339cf988b2d98a25a30bc548019c0125

    SHA256

    890a02f4e0c8bc09cfad53b688ad04016d8c78e94514e69684323598aabd6361

    SHA512

    1b1d97a413b0f2de21d056aac047c2f279a5b3c7314513a4f983262fb03eede5f065aaa2d02943b964dd9c4306db5f84a50889a280c6c2da97a94359a224ef69

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\asdfasdfasdf.exe.log

    Filesize

    425B

    MD5

    4eaca4566b22b01cd3bc115b9b0b2196

    SHA1

    e743e0792c19f71740416e7b3c061d9f1336bf94

    SHA256

    34ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb

    SHA512

    bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    968cb9309758126772781b83adb8a28f

    SHA1

    8da30e71accf186b2ba11da1797cf67f8f78b47c

    SHA256

    92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

    SHA512

    4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    18KB

    MD5

    54cac1cb177fea572c7cd69429812fb5

    SHA1

    32e85242e6d3263b8ce664b3a2d535a80222a544

    SHA256

    3d1bcdc1dccffd56322463f6b5b5e34b780b5aa2750c67ab469bc20f37de846a

    SHA512

    8b4d8d739116f85fa3d8749d09d68b6bf64ee5649a5ab888e6e51cf822620c34a242f181cd2412da607d5f84d983f49e21d54343da20025128868b92f5dbdf7a

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_szfnehoj.p4p.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

    Filesize

    9KB

    MD5

    913967b216326e36a08010fb70f9dba3

    SHA1

    7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

    SHA256

    8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

    SHA512

    c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

  • C:\Users\Admin\AppData\Roaming\yjfgfghjfg\err_2efe898857ff456fbb532c7b6f2f16cb.dat

    Filesize

    1KB

    MD5

    e47f478968e86cbf748545f35f2eeeb7

    SHA1

    0ec0cc9308eec0cdd263e87062ed86554ec47e46

    SHA256

    a9b985c00f575d01eee20a1f93bc05e2ff44c2a0e7d65730cb42ac3babd4993c

    SHA512

    910cc407e6be7d823e27b1e296c534ed15af50c5ec272d12c9b4b6d9754d05685632b735181711013c06398c49ef93a040d0b2eaf1d9e868336473b04b516301

  • 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/612-127-0x00000000066A0000-0x00000000066EE000-memory.dmp

    Filesize

    312KB

  • memory/612-128-0x0000000006D40000-0x0000000006D58000-memory.dmp

    Filesize

    96KB

  • memory/612-181-0x0000000009650000-0x000000000965A000-memory.dmp

    Filesize

    40KB

  • memory/612-154-0x000000000A9E0000-0x000000000A9F4000-memory.dmp

    Filesize

    80KB

  • memory/612-153-0x000000000A730000-0x000000000A741000-memory.dmp

    Filesize

    68KB

  • memory/612-152-0x000000000A5F0000-0x000000000A693000-memory.dmp

    Filesize

    652KB

  • memory/612-142-0x0000000008DE0000-0x0000000009134000-memory.dmp

    Filesize

    3.3MB

  • memory/612-132-0x00000000072B0000-0x0000000007472000-memory.dmp

    Filesize

    1.8MB

  • memory/612-131-0x00000000070D0000-0x00000000070E0000-memory.dmp

    Filesize

    64KB

  • memory/612-130-0x0000000006F10000-0x0000000006F28000-memory.dmp

    Filesize

    96KB

  • memory/1112-44-0x000000001A6F0000-0x000000001A7FA000-memory.dmp

    Filesize

    1.0MB

  • memory/1112-177-0x00007FFD55AA0000-0x00007FFD56561000-memory.dmp

    Filesize

    10.8MB

  • memory/1112-43-0x00007FFD55AA0000-0x00007FFD56561000-memory.dmp

    Filesize

    10.8MB

  • memory/1356-195-0x0000000000390000-0x0000000000398000-memory.dmp

    Filesize

    32KB

  • memory/2756-94-0x0000000007650000-0x0000000007682000-memory.dmp

    Filesize

    200KB

  • memory/2756-105-0x0000000007690000-0x0000000007733000-memory.dmp

    Filesize

    652KB

  • memory/2756-107-0x00000000079B0000-0x00000000079C1000-memory.dmp

    Filesize

    68KB

  • memory/2756-108-0x00000000079F0000-0x0000000007A04000-memory.dmp

    Filesize

    80KB

  • memory/2756-95-0x0000000071340000-0x000000007138C000-memory.dmp

    Filesize

    304KB

  • memory/4288-176-0x00000000074C0000-0x0000000007563000-memory.dmp

    Filesize

    652KB

  • memory/4288-179-0x0000000007810000-0x0000000007824000-memory.dmp

    Filesize

    80KB

  • memory/4288-178-0x00000000077D0000-0x00000000077E1000-memory.dmp

    Filesize

    68KB

  • memory/4288-166-0x0000000071340000-0x000000007138C000-memory.dmp

    Filesize

    304KB

  • memory/4816-41-0x00007FFD55AA0000-0x00007FFD56561000-memory.dmp

    Filesize

    10.8MB

  • memory/4816-37-0x00007FFD55AA0000-0x00007FFD56561000-memory.dmp

    Filesize

    10.8MB

  • memory/4816-35-0x0000000000D00000-0x0000000000D12000-memory.dmp

    Filesize

    72KB

  • memory/4816-36-0x0000000000D60000-0x0000000000D9C000-memory.dmp

    Filesize

    240KB

  • memory/4816-34-0x0000000000410000-0x000000000041C000-memory.dmp

    Filesize

    48KB

  • memory/4816-33-0x00007FFD55AA3000-0x00007FFD55AA5000-memory.dmp

    Filesize

    8KB

  • memory/4988-62-0x0000000007720000-0x00000000077B6000-memory.dmp

    Filesize

    600KB

  • memory/4988-5-0x00000000056D0000-0x0000000005C74000-memory.dmp

    Filesize

    5.6MB

  • memory/4988-77-0x0000000009C00000-0x0000000009C1E000-memory.dmp

    Filesize

    120KB

  • memory/4988-78-0x0000000009C20000-0x0000000009CC3000-memory.dmp

    Filesize

    652KB

  • memory/4988-79-0x0000000009D40000-0x0000000009D4A000-memory.dmp

    Filesize

    40KB

  • memory/4988-80-0x000000000A140000-0x000000000A151000-memory.dmp

    Filesize

    68KB

  • memory/4988-81-0x0000000009D70000-0x0000000009D7E000-memory.dmp

    Filesize

    56KB

  • memory/4988-82-0x000000000A160000-0x000000000A174000-memory.dmp

    Filesize

    80KB

  • memory/4988-83-0x000000000A1A0000-0x000000000A1BA000-memory.dmp

    Filesize

    104KB

  • memory/4988-84-0x000000000A1D0000-0x000000000A1D8000-memory.dmp

    Filesize

    32KB

  • memory/4988-66-0x0000000007C00000-0x0000000007C66000-memory.dmp

    Filesize

    408KB

  • memory/4988-65-0x0000000008420000-0x0000000008774000-memory.dmp

    Filesize

    3.3MB

  • memory/4988-64-0x00000000077C0000-0x000000000780A000-memory.dmp

    Filesize

    296KB

  • memory/4988-106-0x0000000074F6E000-0x0000000074F6F000-memory.dmp

    Filesize

    4KB

  • memory/4988-63-0x0000000007040000-0x000000000705E000-memory.dmp

    Filesize

    120KB

  • memory/4988-8-0x00000000050E0000-0x00000000050E8000-memory.dmp

    Filesize

    32KB

  • memory/4988-6-0x0000000004FF0000-0x0000000005082000-memory.dmp

    Filesize

    584KB

  • memory/4988-123-0x0000000074F60000-0x0000000075710000-memory.dmp

    Filesize

    7.7MB

  • memory/4988-124-0x0000000074F60000-0x0000000075710000-memory.dmp

    Filesize

    7.7MB

  • memory/4988-67-0x0000000007CA0000-0x0000000007CC2000-memory.dmp

    Filesize

    136KB

  • memory/4988-0-0x0000000074F6E000-0x0000000074F6F000-memory.dmp

    Filesize

    4KB

  • memory/4988-11-0x0000000005520000-0x0000000005528000-memory.dmp

    Filesize

    32KB

  • memory/4988-19-0x00000000061E0000-0x0000000006202000-memory.dmp

    Filesize

    136KB

  • memory/4988-17-0x0000000005E60000-0x0000000005F6A000-memory.dmp

    Filesize

    1.0MB

  • memory/4988-16-0x0000000005D00000-0x0000000005D4C000-memory.dmp

    Filesize

    304KB

  • memory/4988-15-0x0000000005CC0000-0x0000000005CFC000-memory.dmp

    Filesize

    240KB

  • memory/4988-13-0x00000000062A0000-0x00000000068B8000-memory.dmp

    Filesize

    6.1MB

  • memory/4988-14-0x0000000005680000-0x0000000005692000-memory.dmp

    Filesize

    72KB

  • memory/4988-12-0x00000000055B0000-0x0000000005616000-memory.dmp

    Filesize

    408KB

  • memory/4988-4-0x0000000004E30000-0x0000000004E8C000-memory.dmp

    Filesize

    368KB

  • memory/4988-3-0x0000000074F60000-0x0000000075710000-memory.dmp

    Filesize

    7.7MB

  • memory/4988-61-0x0000000007DA0000-0x000000000841A000-memory.dmp

    Filesize

    6.5MB

  • memory/4988-60-0x0000000006FA0000-0x0000000006FD6000-memory.dmp

    Filesize

    216KB

  • memory/4988-59-0x0000000006F40000-0x0000000006F5A000-memory.dmp

    Filesize

    104KB

  • memory/4988-7-0x00000000050D0000-0x00000000050E2000-memory.dmp

    Filesize

    72KB

  • memory/4988-49-0x00000000070F0000-0x0000000007718000-memory.dmp

    Filesize

    6.2MB

  • memory/4988-9-0x00000000050F0000-0x00000000050F8000-memory.dmp

    Filesize

    32KB

  • memory/4988-2-0x0000000004E20000-0x0000000004E2E000-memory.dmp

    Filesize

    56KB

  • memory/4988-10-0x0000000005100000-0x000000000510A000-memory.dmp

    Filesize

    40KB

  • memory/4988-1-0x00000000003E0000-0x00000000004D0000-memory.dmp

    Filesize

    960KB