Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-09-2024 01:05

General

  • Target

    1c022ec2400c0c5197aa32cef3182a09a13213dedfe1db71fc18c6d399571ed9.exe

  • Size

    899KB

  • MD5

    9704ccf025eb5b76cf9485718a5ae9ba

  • SHA1

    1a50054fb88f8667ea346a9cfd4ffa501ff491fe

  • SHA256

    1c022ec2400c0c5197aa32cef3182a09a13213dedfe1db71fc18c6d399571ed9

  • SHA512

    02a54924f0f6de0b7df557fc0606f372fb52d70dc950e843195aacbf6b1f12f2a0d0a879be79c5c2da4b2bd9a159a0948b1a3dc594ba9227a345cf792c55e038

  • SSDEEP

    12288:qEXIarzS1y2y5bQqTIl7ahRvVDAJU+Ib9/xyDszk1rCMNcEBVhj2MVOEjctICdch:SaaBGvlh1+fIbTZklf32MsactInKkE

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

spacesave.duckdns.org:14645

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-RLABK3

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1c022ec2400c0c5197aa32cef3182a09a13213dedfe1db71fc18c6d399571ed9.exe
    "C:\Users\Admin\AppData\Local\Temp\1c022ec2400c0c5197aa32cef3182a09a13213dedfe1db71fc18c6d399571ed9.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4336
    • 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\1c022ec2400c0c5197aa32cef3182a09a13213dedfe1db71fc18c6d399571ed9.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:224
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wCnzGs.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3372
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wCnzGs" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCB3F.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3108
    • C:\Users\Admin\AppData\Local\Temp\1c022ec2400c0c5197aa32cef3182a09a13213dedfe1db71fc18c6d399571ed9.exe
      "C:\Users\Admin\AppData\Local\Temp\1c022ec2400c0c5197aa32cef3182a09a13213dedfe1db71fc18c6d399571ed9.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4916

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

    a859ffd03f4d41c843fd79788b491a5b

    SHA1

    44b14644d7e3537583fd0d76d986de8aaf47790a

    SHA256

    ff69a40ead1679d134b2c8a3a656b0c110af8fff788e6f4dcf7b2dfbfff23e37

    SHA512

    313ad382d104fdb2d6ef4fa3bb84d238b0c76f6e1115e7dd5d654e7e0e5c3f3587f95f99ab7990cc8540399eaee20057af6b8be740613bce2243af8795a02817

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_r0tsqby4.4bv.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpCB3F.tmp

    Filesize

    1KB

    MD5

    1e7698ae6f5e2b39d3ef88a8fe622ccf

    SHA1

    759c4d395f93507688b5559c61227e7661b48c1e

    SHA256

    be8f08e8f36093869ba054efa7d31355a0480919a48e045df4b04259e7a65a19

    SHA512

    3570e86825697766f02ab9f3c9434e970fddb51f60397a6651b81dbd1545cfb4f16c361fd4c5d817fbf66e608917cbe8a9f8bc92359639b8f72549fcb447fd06

  • memory/224-18-0x0000000074F10000-0x00000000756C0000-memory.dmp

    Filesize

    7.7MB

  • memory/224-22-0x00000000059D0000-0x0000000005A36000-memory.dmp

    Filesize

    408KB

  • memory/224-77-0x0000000007480000-0x000000000748A000-memory.dmp

    Filesize

    40KB

  • memory/224-64-0x00000000757C0000-0x000000007580C000-memory.dmp

    Filesize

    304KB

  • memory/224-35-0x0000000005AB0000-0x0000000005E04000-memory.dmp

    Filesize

    3.3MB

  • memory/224-89-0x0000000074F10000-0x00000000756C0000-memory.dmp

    Filesize

    7.7MB

  • memory/224-83-0x0000000007730000-0x0000000007738000-memory.dmp

    Filesize

    32KB

  • memory/224-15-0x00000000027B0000-0x00000000027E6000-memory.dmp

    Filesize

    216KB

  • memory/224-16-0x0000000074F10000-0x00000000756C0000-memory.dmp

    Filesize

    7.7MB

  • memory/224-17-0x00000000051C0000-0x00000000057E8000-memory.dmp

    Filesize

    6.2MB

  • memory/224-82-0x0000000007750000-0x000000000776A000-memory.dmp

    Filesize

    104KB

  • memory/224-80-0x0000000007640000-0x000000000764E000-memory.dmp

    Filesize

    56KB

  • memory/224-23-0x0000000005A40000-0x0000000005AA6000-memory.dmp

    Filesize

    408KB

  • memory/224-78-0x0000000007690000-0x0000000007726000-memory.dmp

    Filesize

    600KB

  • memory/224-21-0x0000000005930000-0x0000000005952000-memory.dmp

    Filesize

    136KB

  • memory/3372-81-0x00000000071A0000-0x00000000071B4000-memory.dmp

    Filesize

    80KB

  • memory/3372-24-0x0000000074F10000-0x00000000756C0000-memory.dmp

    Filesize

    7.7MB

  • memory/3372-19-0x0000000074F10000-0x00000000756C0000-memory.dmp

    Filesize

    7.7MB

  • memory/3372-90-0x0000000074F10000-0x00000000756C0000-memory.dmp

    Filesize

    7.7MB

  • memory/3372-79-0x0000000007160000-0x0000000007171000-memory.dmp

    Filesize

    68KB

  • memory/3372-53-0x00000000757C0000-0x000000007580C000-memory.dmp

    Filesize

    304KB

  • memory/3372-52-0x0000000006210000-0x0000000006242000-memory.dmp

    Filesize

    200KB

  • memory/3372-76-0x0000000006F60000-0x0000000006F7A000-memory.dmp

    Filesize

    104KB

  • memory/3372-50-0x0000000005BC0000-0x0000000005BDE000-memory.dmp

    Filesize

    120KB

  • memory/3372-75-0x00000000075B0000-0x0000000007C2A000-memory.dmp

    Filesize

    6.5MB

  • memory/3372-51-0x0000000005CE0000-0x0000000005D2C000-memory.dmp

    Filesize

    304KB

  • memory/3372-63-0x0000000006250000-0x000000000626E000-memory.dmp

    Filesize

    120KB

  • memory/3372-74-0x0000000006E30000-0x0000000006ED3000-memory.dmp

    Filesize

    652KB

  • memory/4336-2-0x0000000005E60000-0x0000000006404000-memory.dmp

    Filesize

    5.6MB

  • memory/4336-5-0x0000000005B20000-0x0000000005B2A000-memory.dmp

    Filesize

    40KB

  • memory/4336-6-0x0000000005E20000-0x0000000005E30000-memory.dmp

    Filesize

    64KB

  • memory/4336-7-0x0000000074F1E000-0x0000000074F1F000-memory.dmp

    Filesize

    4KB

  • memory/4336-48-0x0000000074F10000-0x00000000756C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4336-8-0x0000000074F10000-0x00000000756C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4336-9-0x00000000083B0000-0x0000000008470000-memory.dmp

    Filesize

    768KB

  • memory/4336-1-0x0000000000E90000-0x0000000000F76000-memory.dmp

    Filesize

    920KB

  • memory/4336-3-0x0000000005960000-0x00000000059F2000-memory.dmp

    Filesize

    584KB

  • memory/4336-4-0x0000000074F10000-0x00000000756C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4336-0-0x0000000074F1E000-0x0000000074F1F000-memory.dmp

    Filesize

    4KB

  • memory/4336-10-0x000000000AAB0000-0x000000000AB4C000-memory.dmp

    Filesize

    624KB

  • memory/4916-44-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4916-96-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4916-46-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4916-47-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4916-91-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4916-92-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4916-93-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4916-100-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4916-97-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4916-98-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4916-99-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4916-49-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4916-101-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4916-102-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4916-103-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4916-104-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB