Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-11-2024 02:04

General

  • Target

    0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe

  • Size

    894KB

  • MD5

    53b79ccad8bee5f9027601500616a975

  • SHA1

    0f52c391a610e1d79d148dd70a4cd90c952dddae

  • SHA256

    0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052

  • SHA512

    5422ef61678dd02424492e1c02ae96e063f8a43713043560db3e3c788e899cb11bc5b8de9c4318f51491deb5bc4bb9ddfb6fa85eabc3c2f3322d17e0c9cc481b

  • SSDEEP

    12288:260nsDt02aQqTSpqdtQxIUPXnohqsMtc18p1THM4yHXxKoO3XdgO6wSmv:21naampqdGTocsEcn467O3Xdgrk

Malware Config

Extracted

Family

remcos

Botnet

czt

C2

aadavidron.duckdns.org:53848

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    Windeep.exe

  • copy_folder

    AppDir

  • 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-FS2BKT

  • 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.

  • Remcos family
  • Detected Nirsoft tools 3 IoCs

    Free utilities often used by attackers which can steal passwords, product keys, etc.

  • NirSoft MailPassView 1 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 1 IoCs

    Password recovery tool for various web browsers

  • 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.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 4 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.

  • 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 10 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe
    "C:\Users\Admin\AppData\Local\Temp\0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3508
    • 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\0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3300
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\VSNeHYIHmY.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2452
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VSNeHYIHmY" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBF87.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4756
    • C:\Users\Admin\AppData\Local\Temp\0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe
      "C:\Users\Admin\AppData\Local\Temp\0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5080
      • C:\Users\Admin\AppData\Local\Temp\0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe
        C:\Users\Admin\AppData\Local\Temp\0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe /stext "C:\Users\Admin\AppData\Local\Temp\fqxemkkjblmmgsgntbrvfwhxgd"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:3128
      • C:\Users\Admin\AppData\Local\Temp\0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe
        C:\Users\Admin\AppData\Local\Temp\0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe /stext "C:\Users\Admin\AppData\Local\Temp\itcpmdvcpterjzurclepijcgpjsev"
        3⤵
        • Accesses Microsoft Outlook accounts
        • System Location Discovery: System Language Discovery
        PID:4964
      • C:\Users\Admin\AppData\Local\Temp\0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe
        C:\Users\Admin\AppData\Local\Temp\0b606f6d0ce44922bf456bee5e6e8acf1b343521b2d5d4c5838926cc0484e052.exe /stext "C:\Users\Admin\AppData\Local\Temp\snihnvgedbwetfqvtwzqtoxxqycnwugz"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3148

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    83e23aa0d7c154a712c416b51b2fb36e

    SHA1

    c1ee31575034953631f3d25d89f2e972d8878f42

    SHA256

    2ea1bcf895fc872f0614b3373ffc6e6079970230fba7b6dd1ed9147222d3ff8e

    SHA512

    6bab640efd8cad56f38cdcb07cda852b35ebc26ddd602a5c0603f8d9bb4264717eaeee844fa00be7f03f54b08afc85c46e4d2730a6062602003f5dc4a083f359

  • 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

    327fad01ff4d2f728bea643822dfb4e4

    SHA1

    a995dcba2a77664874741858a6f68f79939c6b44

    SHA256

    68af962fadbac5597fcb2658bbd85fadd145288d0b091946455ae2ed63665b8d

    SHA512

    a6b891b03ab1d6cb525105d9878e5cab7063ebe9e0272ffaae78031f69d16b72c6f9b06eb7406b614559c4fae0d5d6bb66c25397b416b8e0948effa8ea8b4024

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_sjtygilp.u0t.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\fqxemkkjblmmgsgntbrvfwhxgd

    Filesize

    4KB

    MD5

    bc25ccf39db8626dc249529bcc8c5639

    SHA1

    3e9cbdb20a0970a3c13719a2f289d210cdcc9e1d

    SHA256

    b333f8c736c701bc826886f395d928731850cbce6db77be752b3cf7979114904

    SHA512

    9a546127bddc1d187e674cda82e6c5046cac7f3e6f9515aed68d5bff2264b9d679d857dd97270e10826cd11ce2d92d82dd7f9801e19027e346b60bcc814cca1a

  • C:\Users\Admin\AppData\Local\Temp\tmpBF87.tmp

    Filesize

    1KB

    MD5

    f6e953b75122114f61889279c75e1e34

    SHA1

    7c9888455cbff573513f190b3802be0ad7c952a4

    SHA256

    84174df299a50e7fd049a360bb18129a6eb5230d0401bab46da2d6456d758374

    SHA512

    d327792f394f3899d06bb5f23dbf63c54728a2832efc8e3a8670f1de451a04158c0c8a13161e488245e7c2236bfcf02079aeca170e32af6bae8af969f8dae080

  • memory/2452-66-0x0000000075970000-0x00000000759BC000-memory.dmp

    Filesize

    304KB

  • memory/2452-24-0x0000000005E60000-0x0000000005EC6000-memory.dmp

    Filesize

    408KB

  • memory/2452-36-0x0000000005F10000-0x0000000006264000-memory.dmp

    Filesize

    3.3MB

  • memory/2452-98-0x00000000750F0000-0x00000000758A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2452-23-0x0000000005DF0000-0x0000000005E56000-memory.dmp

    Filesize

    408KB

  • memory/2452-53-0x00000000064E0000-0x000000000652C000-memory.dmp

    Filesize

    304KB

  • memory/2452-90-0x0000000007B10000-0x0000000007B18000-memory.dmp

    Filesize

    32KB

  • memory/2452-88-0x0000000007A30000-0x0000000007A44000-memory.dmp

    Filesize

    80KB

  • memory/2452-82-0x0000000007A70000-0x0000000007B06000-memory.dmp

    Filesize

    600KB

  • memory/2452-80-0x0000000007860000-0x000000000786A000-memory.dmp

    Filesize

    40KB

  • memory/2452-20-0x00000000750F0000-0x00000000758A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2452-52-0x00000000064B0000-0x00000000064CE000-memory.dmp

    Filesize

    120KB

  • memory/3128-104-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/3128-101-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/3128-100-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/3148-107-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/3148-111-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/3148-106-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/3300-22-0x0000000004FB0000-0x0000000004FD2000-memory.dmp

    Filesize

    136KB

  • memory/3300-99-0x00000000750F0000-0x00000000758A0000-memory.dmp

    Filesize

    7.7MB

  • memory/3300-15-0x0000000002770000-0x00000000027A6000-memory.dmp

    Filesize

    216KB

  • memory/3300-16-0x00000000750F0000-0x00000000758A0000-memory.dmp

    Filesize

    7.7MB

  • memory/3300-89-0x00000000076D0000-0x00000000076EA000-memory.dmp

    Filesize

    104KB

  • memory/3300-18-0x00000000750F0000-0x00000000758A0000-memory.dmp

    Filesize

    7.7MB

  • memory/3300-87-0x00000000075C0000-0x00000000075CE000-memory.dmp

    Filesize

    56KB

  • memory/3300-56-0x0000000075970000-0x00000000759BC000-memory.dmp

    Filesize

    304KB

  • memory/3300-55-0x0000000006FE0000-0x0000000007012000-memory.dmp

    Filesize

    200KB

  • memory/3300-84-0x0000000007590000-0x00000000075A1000-memory.dmp

    Filesize

    68KB

  • memory/3300-76-0x0000000007020000-0x000000000703E000-memory.dmp

    Filesize

    120KB

  • memory/3300-77-0x0000000007040000-0x00000000070E3000-memory.dmp

    Filesize

    652KB

  • memory/3300-78-0x00000000079E0000-0x000000000805A000-memory.dmp

    Filesize

    6.5MB

  • memory/3300-79-0x0000000007390000-0x00000000073AA000-memory.dmp

    Filesize

    104KB

  • memory/3300-19-0x00000000750F0000-0x00000000758A0000-memory.dmp

    Filesize

    7.7MB

  • memory/3300-17-0x0000000005220000-0x0000000005848000-memory.dmp

    Filesize

    6.2MB

  • memory/3508-4-0x00000000750F0000-0x00000000758A0000-memory.dmp

    Filesize

    7.7MB

  • memory/3508-47-0x00000000750F0000-0x00000000758A0000-memory.dmp

    Filesize

    7.7MB

  • memory/3508-0-0x00000000750FE000-0x00000000750FF000-memory.dmp

    Filesize

    4KB

  • memory/3508-2-0x0000000005FD0000-0x0000000006574000-memory.dmp

    Filesize

    5.6MB

  • memory/3508-3-0x0000000005910000-0x00000000059A2000-memory.dmp

    Filesize

    584KB

  • memory/3508-8-0x00000000750FE000-0x00000000750FF000-memory.dmp

    Filesize

    4KB

  • memory/3508-1-0x0000000000E50000-0x0000000000F36000-memory.dmp

    Filesize

    920KB

  • memory/3508-9-0x00000000750F0000-0x00000000758A0000-memory.dmp

    Filesize

    7.7MB

  • memory/3508-7-0x0000000005B90000-0x0000000005BA2000-memory.dmp

    Filesize

    72KB

  • memory/3508-5-0x00000000059D0000-0x00000000059DA000-memory.dmp

    Filesize

    40KB

  • memory/3508-6-0x0000000005C50000-0x0000000005CEC000-memory.dmp

    Filesize

    624KB

  • memory/3508-10-0x0000000006D80000-0x0000000006E44000-memory.dmp

    Filesize

    784KB

  • memory/4964-102-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/4964-105-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/4964-103-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/5080-92-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/5080-119-0x0000000010000000-0x0000000010019000-memory.dmp

    Filesize

    100KB

  • memory/5080-51-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/5080-81-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/5080-37-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/5080-25-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/5080-54-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/5080-86-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/5080-85-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/5080-118-0x0000000010000000-0x0000000010019000-memory.dmp

    Filesize

    100KB

  • memory/5080-116-0x0000000010000000-0x0000000010019000-memory.dmp

    Filesize

    100KB

  • memory/5080-48-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/5080-120-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/5080-121-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/5080-122-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/5080-83-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/5080-129-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/5080-130-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/5080-137-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/5080-138-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/5080-145-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/5080-146-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/5080-153-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/5080-154-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB