Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-09-2024 13:59

General

  • Target

    212ecd5d051954ee43b7da3c5e998dffac460d74ac9ca99607e399015d3067c4.exe

  • Size

    1.0MB

  • MD5

    c7dd9b2410b46369b1a20b31d3f3e887

  • SHA1

    52eb658337922174094607d0a5d1993ff2f9b04c

  • SHA256

    212ecd5d051954ee43b7da3c5e998dffac460d74ac9ca99607e399015d3067c4

  • SHA512

    1b89a6a0fdb4acfc68dbd88e0285bc1160a34c2186ba54ea8abc8546113500a77ac6dab0cf876b8da9ac1bb919f0c38642652d2da3d9c690e0260b8d080b80fe

  • SSDEEP

    24576:I8aALcnYNa9JNwPwz6gIpBRvh6JK0W8Ut1KXxo:p+YIP6Yz6gIvRYJK0st1Ux

Malware Config

Extracted

Family

remcos

Botnet

Ghost001

C2

ghost360.zapto.org:4190

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-ZVGYRU

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\212ecd5d051954ee43b7da3c5e998dffac460d74ac9ca99607e399015d3067c4.exe
    "C:\Users\Admin\AppData\Local\Temp\212ecd5d051954ee43b7da3c5e998dffac460d74ac9ca99607e399015d3067c4.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4920
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\212ecd5d051954ee43b7da3c5e998dffac460d74ac9ca99607e399015d3067c4.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1484
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wiuybPkyePLh.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3328
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wiuybPkyePLh" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5EB5.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3608
    • C:\Users\Admin\AppData\Local\Temp\212ecd5d051954ee43b7da3c5e998dffac460d74ac9ca99607e399015d3067c4.exe
      "C:\Users\Admin\AppData\Local\Temp\212ecd5d051954ee43b7da3c5e998dffac460d74ac9ca99607e399015d3067c4.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2892
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4308,i,8548254608087149642,10333768245962368401,262144 --variations-seed-version --mojo-platform-channel-handle=4172 /prefetch:8
    1⤵
      PID:2216

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • 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

      a491821baa84d7b800df55e9c7494eca

      SHA1

      23133ad9dbc23b5b9b772020e39b275553c5c41d

      SHA256

      007186c214f0135118d77d149c2dafd888fefcf5bd45fb7afc53b8a7a3688edf

      SHA512

      05ada196deaddc961bdc0b1b0ae9f11d08781bab78009918436ac0284c23a0eb087bead11841775a0ac572687a21ffceeb66b1d61a3b32012ffd1843d05adff9

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_r2sxlrav.zef.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp5EB5.tmp

      Filesize

      1KB

      MD5

      2e0cfac8e78a95bea6d7e74a02c4f449

      SHA1

      30e188a4677dce8abc0b9d5a024e1b3b7e1bf22f

      SHA256

      613aa64e768954e3fd440cd9e53af159e25299d60d00522c6336eb414d4329f3

      SHA512

      662d8277593485817e1965570b6e25671e92edef2d63d44c396d0766533c8595a0f105c6bdbacea54e9c5990b81214e77f8dbef3ea8735e3864375bb1290f9bb

    • memory/1484-76-0x0000000007D30000-0x00000000083AA000-memory.dmp

      Filesize

      6.5MB

    • memory/1484-90-0x0000000074A40000-0x00000000751F0000-memory.dmp

      Filesize

      7.7MB

    • memory/1484-84-0x0000000007A10000-0x0000000007A18000-memory.dmp

      Filesize

      32KB

    • memory/1484-83-0x0000000007A30000-0x0000000007A4A000-memory.dmp

      Filesize

      104KB

    • memory/1484-82-0x0000000007930000-0x0000000007944000-memory.dmp

      Filesize

      80KB

    • memory/1484-81-0x0000000007920000-0x000000000792E000-memory.dmp

      Filesize

      56KB

    • memory/1484-80-0x00000000078F0000-0x0000000007901000-memory.dmp

      Filesize

      68KB

    • memory/1484-15-0x0000000002AC0000-0x0000000002AF6000-memory.dmp

      Filesize

      216KB

    • memory/1484-17-0x0000000074A40000-0x00000000751F0000-memory.dmp

      Filesize

      7.7MB

    • memory/1484-16-0x0000000005570000-0x0000000005B98000-memory.dmp

      Filesize

      6.2MB

    • memory/1484-18-0x0000000074A40000-0x00000000751F0000-memory.dmp

      Filesize

      7.7MB

    • memory/1484-19-0x0000000074A40000-0x00000000751F0000-memory.dmp

      Filesize

      7.7MB

    • memory/1484-20-0x0000000005300000-0x0000000005322000-memory.dmp

      Filesize

      136KB

    • memory/1484-22-0x0000000005410000-0x0000000005476000-memory.dmp

      Filesize

      408KB

    • memory/1484-78-0x0000000007760000-0x000000000776A000-memory.dmp

      Filesize

      40KB

    • memory/1484-77-0x00000000076F0000-0x000000000770A000-memory.dmp

      Filesize

      104KB

    • memory/1484-75-0x00000000073B0000-0x0000000007453000-memory.dmp

      Filesize

      652KB

    • memory/1484-21-0x00000000053A0000-0x0000000005406000-memory.dmp

      Filesize

      408KB

    • memory/1484-55-0x00000000752D0000-0x000000007531C000-memory.dmp

      Filesize

      304KB

    • memory/1484-26-0x0000000005DA0000-0x00000000060F4000-memory.dmp

      Filesize

      3.3MB

    • memory/2892-46-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2892-47-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2892-48-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3328-52-0x00000000062D0000-0x000000000631C000-memory.dmp

      Filesize

      304KB

    • memory/3328-23-0x0000000074A40000-0x00000000751F0000-memory.dmp

      Filesize

      7.7MB

    • memory/3328-51-0x0000000006100000-0x000000000611E000-memory.dmp

      Filesize

      120KB

    • memory/3328-53-0x00000000073A0000-0x00000000073D2000-memory.dmp

      Filesize

      200KB

    • memory/3328-70-0x0000000007360000-0x000000000737E000-memory.dmp

      Filesize

      120KB

    • memory/3328-54-0x00000000752D0000-0x000000007531C000-memory.dmp

      Filesize

      304KB

    • memory/3328-32-0x0000000074A40000-0x00000000751F0000-memory.dmp

      Filesize

      7.7MB

    • memory/3328-25-0x0000000074A40000-0x00000000751F0000-memory.dmp

      Filesize

      7.7MB

    • memory/3328-91-0x0000000074A40000-0x00000000751F0000-memory.dmp

      Filesize

      7.7MB

    • memory/3328-79-0x00000000077B0000-0x0000000007846000-memory.dmp

      Filesize

      600KB

    • memory/4920-7-0x0000000074A4E000-0x0000000074A4F000-memory.dmp

      Filesize

      4KB

    • memory/4920-3-0x0000000005850000-0x00000000058E2000-memory.dmp

      Filesize

      584KB

    • memory/4920-4-0x0000000074A40000-0x00000000751F0000-memory.dmp

      Filesize

      7.7MB

    • memory/4920-10-0x00000000096C0000-0x000000000975C000-memory.dmp

      Filesize

      624KB

    • memory/4920-9-0x0000000006D10000-0x0000000006DD0000-memory.dmp

      Filesize

      768KB

    • memory/4920-8-0x0000000074A40000-0x00000000751F0000-memory.dmp

      Filesize

      7.7MB

    • memory/4920-50-0x0000000074A40000-0x00000000751F0000-memory.dmp

      Filesize

      7.7MB

    • memory/4920-6-0x0000000006CB0000-0x0000000006CC8000-memory.dmp

      Filesize

      96KB

    • memory/4920-2-0x0000000005E00000-0x00000000063A4000-memory.dmp

      Filesize

      5.6MB

    • memory/4920-1-0x0000000000CF0000-0x0000000000DF8000-memory.dmp

      Filesize

      1.0MB

    • memory/4920-0-0x0000000074A4E000-0x0000000074A4F000-memory.dmp

      Filesize

      4KB

    • memory/4920-5-0x0000000006C60000-0x0000000006C6A000-memory.dmp

      Filesize

      40KB