Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/11/2024, 19:42

General

  • Target

    50509dce2f200a500fad2972b0a230aee615d266e5c2580a2fd827def2bc06a5.exe

  • Size

    1.7MB

  • MD5

    e11163415bb29e335c39e3e0cdd31236

  • SHA1

    20a78eb7af384a9a8c3ed5e75719be5f15b13bb0

  • SHA256

    50509dce2f200a500fad2972b0a230aee615d266e5c2580a2fd827def2bc06a5

  • SHA512

    bbb6ad1793ff1e9978d7cfb961e37df849fd717888b3fdeb3ddea11122f53aa7a15440d3ba32b3f1fe437c99917dbd7fd9a8fcde78fbec846e1cd2e4127ff46c

  • SSDEEP

    49152:TBElfECiDlVyH97018dX6GUuKgDm47Sf0i18UjnFqT2OlapPme6dxBsPAp6yBjmi:cvtYxjAsw

Malware Config

Extracted

Family

remcos

Version

3.3.0 Pro

Botnet

hopa

C2

178.20.44.131:2405

my.bingoroll20.net:2405

my.bingoroll19.net:2405

my.bingoroll18.net:2405

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    winmap.exe

  • copy_folder

    winmap

  • delete_file

    true

  • hide_file

    true

  • hide_keylog_file

    false

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    pidron-PXIKI2

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    winmap

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

    notepad;solitaire;

Signatures

  • Remcos

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

  • Remcos family
  • Adds policy Run key to start application 2 TTPs 4 IoCs
  • 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 4 IoCs

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

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

  • Modifies registry class 1 IoCs
  • Modifies system certificate store 2 TTPs 11 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\50509dce2f200a500fad2972b0a230aee615d266e5c2580a2fd827def2bc06a5.exe
    "C:\Users\Admin\AppData\Local\Temp\50509dce2f200a500fad2972b0a230aee615d266e5c2580a2fd827def2bc06a5.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2864
    • 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\50509dce2f200a500fad2972b0a230aee615d266e5c2580a2fd827def2bc06a5.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3168
    • C:\Users\Admin\AppData\Local\Temp\50509dce2f200a500fad2972b0a230aee615d266e5c2580a2fd827def2bc06a5.exe
      "C:\Users\Admin\AppData\Local\Temp\50509dce2f200a500fad2972b0a230aee615d266e5c2580a2fd827def2bc06a5.exe"
      2⤵
      • Adds policy Run key to start application
      • Checks computer location settings
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:5116
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\install.vbs"
        3⤵
        • Checks computer location settings
        • Deletes itself
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1968
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c "C:\Users\Admin\AppData\Roaming\winmap\winmap.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:992
          • C:\Users\Admin\AppData\Roaming\winmap\winmap.exe
            C:\Users\Admin\AppData\Roaming\winmap\winmap.exe
            5⤵
            • Checks computer location settings
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Modifies system certificate store
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:4404
            • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
              "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\winmap\winmap.exe"
              6⤵
              • Command and Scripting Interpreter: PowerShell
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:4340
            • C:\Users\Admin\AppData\Roaming\winmap\winmap.exe
              "C:\Users\Admin\AppData\Roaming\winmap\winmap.exe"
              6⤵
              • Adds policy Run key to start application
              • Executes dropped EXE
              • Adds Run key to start application
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:3748
              • C:\Windows\SysWOW64\svchost.exe
                C:\Windows\SysWOW64\svchost.exe
                7⤵
                  PID:536

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\5080DC7A65DB6A5960ECD874088F3328_79CFD3DF2894C4BFDA2ADFD6675FA18B

      Filesize

      2KB

      MD5

      c6802d08e714dfd3311082e3deb308bc

      SHA1

      ae8a6ce71ad984f04e80c8f37c7ef46948a561a1

      SHA256

      a8598ff0010012ee07186d1da8eff9be506541e5d7f0f484e346dc8cafeb19c5

      SHA512

      efe5aff5d6ed3c90e0a542cf61d7210acf0e04c1198a3fa51daabb16079a5824eb3bffd374b2dd83a1b8fbfd63a2f716f26111dcbb091d8abda22c86b616cb79

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7D11549FC90445E1CE90F96A21958A17_047DE46FB5B79F63345693B180860281

      Filesize

      509B

      MD5

      a97994f34117a5f31609af7bc559343b

      SHA1

      38021b33f4323af5b50929090b9f3298594f710d

      SHA256

      c7598edcf72c7793029ab7b81d7c9cfcdf0cd81740c7cbd7e37ea7c94b03a8b7

      SHA512

      066d5415a6dff873516c288fe56e1e234b82c97481ee68b6f36f947f546da10815bb3c2dbe8e6cdb9bd31bc8d698050736a4843290b2e634e820ab456ba5720c

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_2DBE917624E9880FE0C7C5570D56E691

      Filesize

      1KB

      MD5

      c539e5c9b9a9c1513643d14ac6e9f48f

      SHA1

      fcd2bd19c2555cc71f78909da3ceeb1adee6390d

      SHA256

      def5a01e5607ff3e32eb0728d0f3b4a4d0883be65db11f42f5f35211e79cb044

      SHA512

      72938a2cc59b9fbd1f35e6d24a56262dcc0252bdaae2346211086b337537f7f329e97c22f45d5d3ee1e251f292e8f4b96b9531b0202a95489c2f880e536b2eb4

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\5080DC7A65DB6A5960ECD874088F3328_79CFD3DF2894C4BFDA2ADFD6675FA18B

      Filesize

      490B

      MD5

      cda7af4ed3b4025b3f0c65a8e2bd0148

      SHA1

      8c1786a1383771999e0b82b618ccae89afe28acf

      SHA256

      e4574a6d82f522f36154ff02e0ef0f1c1293f0d53fb4435365c1a08842c8ad77

      SHA512

      2cd39bf7f5e66be8ca2bd12b7d22f9242cce4aca58c56cc58c5286b5706434191e062de4852b42d1c5cc063ee354000fc1a8864217984bf4f18e19779d00510f

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7D11549FC90445E1CE90F96A21958A17_047DE46FB5B79F63345693B180860281

      Filesize

      494B

      MD5

      6a302a2b1176c49c7b9cae934d9a24b1

      SHA1

      a2826ab16bccabef979a0a5278637504e69191e1

      SHA256

      82e2fe271cecd60f94ba18155a4cad99d3e5833ce8877684341fc702a3baf87f

      SHA512

      9dbb17fa54ec962a6d4abd64d63efe4b53b6c216805b821e13f1fc2f4eede3ebc0a0652f5c5212a90966a24512c0e02d987151bc13de93f98c678b460309afcc

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_2DBE917624E9880FE0C7C5570D56E691

      Filesize

      486B

      MD5

      c3249130a682c5c06ebc67ef0bd14348

      SHA1

      de12229df5ed6388fdfcef357bbfe8194d510c57

      SHA256

      428305ab416aef99fee9893c614e48a370c371f3f43c380de5635910193471ef

      SHA512

      22b5fdea976a49e293d3e7bbd9272dbb12aa13d5b7ffaa49872c1f503b2cc95b73bfc40afbc25c0f7ef3af24848ad2dfe9396fe36c6375143a7c243f814ed374

    • 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

      71f57e2b4d488629c10d6593ace0a5c0

      SHA1

      790509ca50479f79871cf5f85275fcccd42fbc20

      SHA256

      dcbb5cc5beb1e4bfad1e0aa07abde34d0590768b992afb72492645dbe7393a3c

      SHA512

      e1bf39773dbd5ad7acda539b0a280fc022e8a71567e1073d0a7fa992042ab1e454d56502e9580918fe03df801ebee4652143bdda363805b29756a7e5b4856f52

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rpmsyrom.dji.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

      Filesize

      658B

      MD5

      2bdb26fcbf4d705dada16ba81a54d59a

      SHA1

      ef654d84c1040998aff911685167411b37910599

      SHA256

      57f78664265e9010fe3a39c97dc5844c3bc57a1b0bb550d9a81f04db82243bc4

      SHA512

      50e9566184913b6d138b1c936cb2527b29b15213e5e248b03c4e36da3e5b21b2b703cb3e1efa46be80afdc1382173b64a7976598d26e728e1cb498e34d863737

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

      Filesize

      1.7MB

      MD5

      e11163415bb29e335c39e3e0cdd31236

      SHA1

      20a78eb7af384a9a8c3ed5e75719be5f15b13bb0

      SHA256

      50509dce2f200a500fad2972b0a230aee615d266e5c2580a2fd827def2bc06a5

      SHA512

      bbb6ad1793ff1e9978d7cfb961e37df849fd717888b3fdeb3ddea11122f53aa7a15440d3ba32b3f1fe437c99917dbd7fd9a8fcde78fbec846e1cd2e4127ff46c

    • memory/2864-21-0x0000000007570000-0x000000000760E000-memory.dmp

      Filesize

      632KB

    • memory/2864-20-0x0000000074EF0000-0x00000000756A0000-memory.dmp

      Filesize

      7.7MB

    • memory/2864-19-0x0000000074EFE000-0x0000000074EFF000-memory.dmp

      Filesize

      4KB

    • memory/2864-18-0x0000000006360000-0x0000000006372000-memory.dmp

      Filesize

      72KB

    • memory/2864-30-0x0000000074EF0000-0x00000000756A0000-memory.dmp

      Filesize

      7.7MB

    • memory/2864-17-0x0000000006400000-0x000000000649C000-memory.dmp

      Filesize

      624KB

    • memory/2864-5-0x0000000074EF0000-0x00000000756A0000-memory.dmp

      Filesize

      7.7MB

    • memory/2864-4-0x00000000051A0000-0x00000000051AA000-memory.dmp

      Filesize

      40KB

    • memory/2864-3-0x00000000050F0000-0x0000000005182000-memory.dmp

      Filesize

      584KB

    • memory/2864-0-0x0000000074EFE000-0x0000000074EFF000-memory.dmp

      Filesize

      4KB

    • memory/2864-2-0x00000000055B0000-0x0000000005B54000-memory.dmp

      Filesize

      5.6MB

    • memory/2864-1-0x0000000000520000-0x00000000006DE000-memory.dmp

      Filesize

      1.7MB

    • memory/3168-72-0x0000000007650000-0x000000000766A000-memory.dmp

      Filesize

      104KB

    • memory/3168-84-0x0000000007990000-0x00000000079AA000-memory.dmp

      Filesize

      104KB

    • memory/3168-42-0x0000000005B30000-0x0000000005B96000-memory.dmp

      Filesize

      408KB

    • memory/3168-40-0x0000000005A20000-0x0000000005A42000-memory.dmp

      Filesize

      136KB

    • memory/3168-52-0x0000000006120000-0x0000000006474000-memory.dmp

      Filesize

      3.3MB

    • memory/3168-53-0x0000000005EA0000-0x0000000005EBE000-memory.dmp

      Filesize

      120KB

    • memory/3168-54-0x0000000005EF0000-0x0000000005F3C000-memory.dmp

      Filesize

      304KB

    • memory/3168-55-0x00000000068E0000-0x0000000006912000-memory.dmp

      Filesize

      200KB

    • memory/3168-56-0x0000000070B70000-0x0000000070BBC000-memory.dmp

      Filesize

      304KB

    • memory/3168-66-0x00000000072F0000-0x000000000730E000-memory.dmp

      Filesize

      120KB

    • memory/3168-67-0x0000000007320000-0x00000000073C3000-memory.dmp

      Filesize

      652KB

    • memory/3168-88-0x0000000074E40000-0x00000000755F0000-memory.dmp

      Filesize

      7.7MB

    • memory/3168-71-0x0000000007C90000-0x000000000830A000-memory.dmp

      Filesize

      6.5MB

    • memory/3168-37-0x0000000074E40000-0x00000000755F0000-memory.dmp

      Filesize

      7.7MB

    • memory/3168-73-0x00000000076C0000-0x00000000076CA000-memory.dmp

      Filesize

      40KB

    • memory/3168-74-0x00000000078D0000-0x0000000007966000-memory.dmp

      Filesize

      600KB

    • memory/3168-75-0x0000000007850000-0x0000000007861000-memory.dmp

      Filesize

      68KB

    • memory/3168-38-0x00000000053C0000-0x00000000059E8000-memory.dmp

      Filesize

      6.2MB

    • memory/3168-35-0x0000000004CF0000-0x0000000004D26000-memory.dmp

      Filesize

      216KB

    • memory/3168-34-0x0000000074E40000-0x00000000755F0000-memory.dmp

      Filesize

      7.7MB

    • memory/3168-33-0x0000000074E4E000-0x0000000074E4F000-memory.dmp

      Filesize

      4KB

    • memory/3168-85-0x0000000007970000-0x0000000007978000-memory.dmp

      Filesize

      32KB

    • memory/3168-41-0x0000000005AC0000-0x0000000005B26000-memory.dmp

      Filesize

      408KB

    • memory/3168-82-0x0000000007880000-0x000000000788E000-memory.dmp

      Filesize

      56KB

    • memory/3168-83-0x0000000007890000-0x00000000078A4000-memory.dmp

      Filesize

      80KB

    • memory/3748-128-0x0000000000400000-0x0000000000479000-memory.dmp

      Filesize

      484KB

    • memory/3748-129-0x0000000000400000-0x0000000000479000-memory.dmp

      Filesize

      484KB

    • memory/3748-134-0x0000000000400000-0x0000000000479000-memory.dmp

      Filesize

      484KB

    • memory/3748-92-0x0000000000400000-0x0000000000479000-memory.dmp

      Filesize

      484KB

    • memory/3748-91-0x0000000000400000-0x0000000000479000-memory.dmp

      Filesize

      484KB

    • memory/3748-97-0x0000000000400000-0x0000000000479000-memory.dmp

      Filesize

      484KB

    • memory/3748-96-0x0000000000400000-0x0000000000479000-memory.dmp

      Filesize

      484KB

    • memory/3748-133-0x0000000000400000-0x0000000000479000-memory.dmp

      Filesize

      484KB

    • memory/3748-132-0x0000000000400000-0x0000000000479000-memory.dmp

      Filesize

      484KB

    • memory/3748-130-0x0000000000400000-0x0000000000479000-memory.dmp

      Filesize

      484KB

    • memory/3748-127-0x0000000000400000-0x0000000000479000-memory.dmp

      Filesize

      484KB

    • memory/3748-126-0x0000000000400000-0x0000000000479000-memory.dmp

      Filesize

      484KB

    • memory/3748-125-0x0000000000400000-0x0000000000479000-memory.dmp

      Filesize

      484KB

    • memory/3748-131-0x0000000000400000-0x0000000000479000-memory.dmp

      Filesize

      484KB

    • memory/4340-121-0x0000000006ED0000-0x0000000006F73000-memory.dmp

      Filesize

      652KB

    • memory/4340-111-0x00000000714A0000-0x00000000714EC000-memory.dmp

      Filesize

      304KB

    • memory/4340-110-0x0000000005C60000-0x0000000005CAC000-memory.dmp

      Filesize

      304KB

    • memory/4340-123-0x00000000071A0000-0x00000000071B4000-memory.dmp

      Filesize

      80KB

    • memory/4340-122-0x0000000007160000-0x0000000007171000-memory.dmp

      Filesize

      68KB

    • memory/4340-108-0x00000000056B0000-0x0000000005A04000-memory.dmp

      Filesize

      3.3MB

    • memory/5116-25-0x0000000000400000-0x0000000000479000-memory.dmp

      Filesize

      484KB

    • memory/5116-24-0x0000000000400000-0x0000000000479000-memory.dmp

      Filesize

      484KB

    • memory/5116-22-0x0000000000400000-0x0000000000479000-memory.dmp

      Filesize

      484KB

    • memory/5116-23-0x0000000000400000-0x0000000000479000-memory.dmp

      Filesize

      484KB

    • memory/5116-36-0x0000000000400000-0x0000000000479000-memory.dmp

      Filesize

      484KB