Analysis

  • max time kernel
    149s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    11-01-2025 19:06

General

  • Target

    991e707e324731f86a43900e34070808.exe

  • Size

    469KB

  • MD5

    991e707e324731f86a43900e34070808

  • SHA1

    5b5afd8cecb865de3341510f38d217f47490eead

  • SHA256

    32d8c2a1bb4d5a515d9eb36c1286b0ac08624c8ea3df0e97f12391558ce81153

  • SHA512

    07411dffbc6beff08a901afa8db3af4bc7d214407f7b20a8570e16b3900f512ad8ee2d04e31bb9d870585b9825e9102078f6c40eb6df292f09fffe57eea37f79

  • SSDEEP

    12288:wmnk7iLJbpIpiRL6I2WhSKQ9ZsfZQScn9:wiLJbpI7I2WhQqZ7c9

Malware Config

Extracted

Family

remcos

Botnet

paydaytry

C2

198.50.242.157:443

apleegodfivem.ddns.net:443

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    GoogleUpdate.exe

  • copy_folder

    GoogleDat

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    true

  • install_flag

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    bootdata

  • mouse_option

    false

  • mutex

    Attempt-S4A0CI

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    ChromeUpdater

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Extracted

Family

orcus

Botnet

FIVEM

C2

198.50.242.157:3846

Mutex

7c8e6bec5a514abfa98e8c7d116e215a

Attributes
  • autostart_method

    Registry

  • enable_keylogger

    true

  • install_path

    %programfiles%\GoogleChromeUpt\Updater.exe

  • reconnect_delay

    10000

  • registry_keyname

    ChromeStarter

  • taskscheduler_taskname

    Start

  • watchdog_path

    AppData\ChromeDEV.exe

Signatures

  • Orcus

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

  • Orcus family
  • Orcus main payload 1 IoCs
  • Remcos

    Remcos is a closed-source remote control and surveillance software.

  • Remcos family
  • UAC bypass 3 TTPs 2 IoCs
  • Orcurs Rat Executable 3 IoCs
  • Adds policy Run key to start application 2 TTPs 4 IoCs
  • Executes dropped EXE 8 IoCs
  • Loads dropped DLL 17 IoCs
  • Adds Run key to start application 2 TTPs 5 IoCs
  • Drops file in System32 directory 3 IoCs
  • Suspicious use of SetThreadContext 1 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 14 IoCs

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

  • Modifies registry key 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\991e707e324731f86a43900e34070808.exe
    "C:\Users\Admin\AppData\Local\Temp\991e707e324731f86a43900e34070808.exe"
    1⤵
    • Adds policy Run key to start application
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1500
    • C:\Windows\SysWOW64\cmd.exe
      /k %windir%\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:280
      • C:\Windows\SysWOW64\reg.exe
        C:\Windows\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
        3⤵
        • UAC bypass
        • System Location Discovery: System Language Discovery
        • Modifies registry key
        PID:2952
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\install.vbs"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2352
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c "C:\ProgramData\GoogleDat\GoogleUpdate.exe"
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2888
        • C:\ProgramData\GoogleDat\GoogleUpdate.exe
          C:\ProgramData\GoogleDat\GoogleUpdate.exe
          4⤵
          • Adds policy Run key to start application
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2672
          • C:\Windows\SysWOW64\cmd.exe
            /k %windir%\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2748
            • C:\Windows\SysWOW64\reg.exe
              C:\Windows\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
              6⤵
              • UAC bypass
              • System Location Discovery: System Language Discovery
              • Modifies registry key
              PID:2796
          • C:\Windows\SysWOW64\svchost.exe
            svchost.exe
            5⤵
            • System Location Discovery: System Language Discovery
            PID:2900
          • C:\Users\Admin\AppData\Local\Temp\dwn.exe
            "C:\Users\Admin\AppData\Local\Temp\dwn.exe"
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Drops file in System32 directory
            • Drops file in Program Files directory
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2768
            • C:\Windows\SysWOW64\WindowsInput.exe
              "C:\Windows\SysWOW64\WindowsInput.exe" --install
              6⤵
              • Executes dropped EXE
              • Drops file in System32 directory
              PID:2980
            • C:\Program Files (x86)\GoogleChromeUpt\Updater.exe
              "C:\Program Files (x86)\GoogleChromeUpt\Updater.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Adds Run key to start application
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              PID:1736
              • C:\Users\Admin\AppData\Roaming\ChromeDEV.exe
                "C:\Users\Admin\AppData\Roaming\ChromeDEV.exe" /launchSelfAndExit "C:\Program Files (x86)\GoogleChromeUpt\Updater.exe" 1736
                7⤵
                • Executes dropped EXE
                • Loads dropped DLL
                • System Location Discovery: System Language Discovery
                • Suspicious use of AdjustPrivilegeToken
                PID:2588
                • C:\Users\Admin\AppData\Roaming\ChromeDEV.exe
                  "C:\Users\Admin\AppData\Roaming\ChromeDEV.exe" /watchProcess "C:\Program Files (x86)\GoogleChromeUpt\Updater.exe" 1736
                  8⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  • System Location Discovery: System Language Discovery
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1100
  • C:\Windows\SysWOW64\WindowsInput.exe
    "C:\Windows\SysWOW64\WindowsInput.exe"
    1⤵
    • Executes dropped EXE
    PID:1936
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {BAF28219-1C1C-42B5-8A2F-E665426E578D} S-1-5-21-3551809350-4263495960-1443967649-1000:NNYJZAHP\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2268
    • C:\Program Files (x86)\GoogleChromeUpt\Updater.exe
      "C:\Program Files (x86)\GoogleChromeUpt\Updater.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2992

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabD941.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\install.vbs

    Filesize

    404B

    MD5

    bb683902f4d897285b9eb79d71a86df6

    SHA1

    6ca60977902f02b72afd24caa65be77d06692b09

    SHA256

    1829d2480ab6bbfe942aadf34cb74ccd651427d10a9b51b222923fb921ebfc70

    SHA512

    edbb9b416ad84ce216ed18db11cbed0b46a079b7b2463e942b809a8a2fe5540eb1101114c5d0944da383c02617dec1017df1235949caf24eb515550f456eaeda

  • C:\Windows\SysWOW64\WindowsInput.exe.config

    Filesize

    357B

    MD5

    a2b76cea3a59fa9af5ea21ff68139c98

    SHA1

    35d76475e6a54c168f536e30206578babff58274

    SHA256

    f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

    SHA512

    b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

  • \ProgramData\GoogleDat\GoogleUpdate.exe

    Filesize

    469KB

    MD5

    991e707e324731f86a43900e34070808

    SHA1

    5b5afd8cecb865de3341510f38d217f47490eead

    SHA256

    32d8c2a1bb4d5a515d9eb36c1286b0ac08624c8ea3df0e97f12391558ce81153

    SHA512

    07411dffbc6beff08a901afa8db3af4bc7d214407f7b20a8570e16b3900f512ad8ee2d04e31bb9d870585b9825e9102078f6c40eb6df292f09fffe57eea37f79

  • \Users\Admin\AppData\Local\Temp\dwn.exe

    Filesize

    917KB

    MD5

    233df6b3803532e93dc307f6739dbcfc

    SHA1

    33d32253477f35e01763207b59d60fdaa3f24581

    SHA256

    1b0f1c3f410211b515d0f61bb0c9fcdbf71287fe73a0feb2ba27a9e51ffdee02

    SHA512

    0d1bd2ab3a37bd3840121001097de98ec8680e79bbc3edcaf4bd77e0b115b5e9fb6945f5897172c554a44ffdbfc8af4afa9914ec11c8259322e927a8c49ef345

  • \Users\Admin\AppData\Roaming\ChromeDEV.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/1736-56-0x0000000000040000-0x000000000012C000-memory.dmp

    Filesize

    944KB

  • memory/1736-60-0x0000000000B80000-0x0000000000B90000-memory.dmp

    Filesize

    64KB

  • memory/1736-59-0x0000000000B10000-0x0000000000B28000-memory.dmp

    Filesize

    96KB

  • memory/1736-58-0x0000000000A20000-0x0000000000A6E000-memory.dmp

    Filesize

    312KB

  • memory/1736-57-0x00000000004A0000-0x00000000004B2000-memory.dmp

    Filesize

    72KB

  • memory/1936-43-0x0000000000BF0000-0x0000000000BFC000-memory.dmp

    Filesize

    48KB

  • memory/2588-73-0x0000000001140000-0x0000000001148000-memory.dmp

    Filesize

    32KB

  • memory/2768-26-0x00000000010E0000-0x00000000011CC000-memory.dmp

    Filesize

    944KB

  • memory/2768-30-0x00000000006E0000-0x00000000006E8000-memory.dmp

    Filesize

    32KB

  • memory/2768-29-0x0000000000610000-0x0000000000622000-memory.dmp

    Filesize

    72KB

  • memory/2768-28-0x0000000000EC0000-0x0000000000F1C000-memory.dmp

    Filesize

    368KB

  • memory/2768-27-0x00000000004C0000-0x00000000004CE000-memory.dmp

    Filesize

    56KB

  • memory/2900-15-0x0000000000090000-0x000000000010F000-memory.dmp

    Filesize

    508KB

  • memory/2900-13-0x0000000000090000-0x000000000010F000-memory.dmp

    Filesize

    508KB

  • memory/2900-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2900-12-0x0000000000090000-0x000000000010F000-memory.dmp

    Filesize

    508KB

  • memory/2980-39-0x00000000009D0000-0x00000000009DC000-memory.dmp

    Filesize

    48KB