Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    13-07-2024 11:20

General

  • Target

    9addebe94747ecae48221b2b7efaca6527d5e5a9fa8b792699e2d885d26004a2.exe

  • Size

    1.1MB

  • MD5

    52c34c59183a5b51c6635a5c07dbe83a

  • SHA1

    7def618896505fde8a6d91fe34bff462ccfaaed9

  • SHA256

    9addebe94747ecae48221b2b7efaca6527d5e5a9fa8b792699e2d885d26004a2

  • SHA512

    b115d169591f02587353b2153a727980bc2a59aabec11e4090cfc9946153270c621711309d3326806f65abc61dcb70da9c7dee5d80c30ac2e1eb8d4b8a411a1c

  • SSDEEP

    24576:wMIQNlECrbLafnmKvsdgIS0sR7v/vMJ7tHNVuq0CR3NNgz/5X:JIQNJnufXggIHsBkJ7tHn/xRdA/5X

Malware Config

Extracted

Family

remcos

Botnet

THEONE

C2

45.66.231.218:4259

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-UII1DP

  • 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.

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

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

  • 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 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9addebe94747ecae48221b2b7efaca6527d5e5a9fa8b792699e2d885d26004a2.exe
    "C:\Users\Admin\AppData\Local\Temp\9addebe94747ecae48221b2b7efaca6527d5e5a9fa8b792699e2d885d26004a2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2268
    • 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\9addebe94747ecae48221b2b7efaca6527d5e5a9fa8b792699e2d885d26004a2.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2148
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\LDrvERevBZJN.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2336
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LDrvERevBZJN" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD1EF.tmp"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:3040
    • C:\Users\Admin\AppData\Local\Temp\9addebe94747ecae48221b2b7efaca6527d5e5a9fa8b792699e2d885d26004a2.exe
      "C:\Users\Admin\AppData\Local\Temp\9addebe94747ecae48221b2b7efaca6527d5e5a9fa8b792699e2d885d26004a2.exe"
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:2768

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    d7ff8819c10cbeb266d42bea267f5c4b

    SHA1

    2483aba97acce940a92c9989684c428000ad751b

    SHA256

    2236a89d2b6f14da4b5a27e1bae568b67477930d8f6caae11879ca58ae76db76

    SHA512

    a9d51e5139bc0cacf7aad38a606f600c8e737698ae5e73ef588ff37ed9640fdb2e2a204d9ca7d9fd278185751ca439f7ad242337638a8515769fbed1ac2df025

  • C:\Users\Admin\AppData\Local\Temp\tmpD1EF.tmp

    Filesize

    1KB

    MD5

    f4840edcca9256c9eaf25ddb38d21ffe

    SHA1

    bc4fda0e0cf41ce47ec8c8ac8f6bf779f5f61676

    SHA256

    81f3a32d26270f61b40db1949995a2a1b1cf70be29d0cde6c1800eb7c183803e

    SHA512

    64b3fa4e6c206f3be7da49a12f3b02000ba9be23653db8377051c0ff496ed8af4aebd739d4f363a5d93f7edff6d4d71ffe8f653d9184ead1a636b249a342594f

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    7dea9e29891778b744d00a1e30e55a07

    SHA1

    3f7a3e7c635b2c8aabde165d06ba11a2c1d8b443

    SHA256

    1c8aaf0cf163156804ad1aa383b12ca23a45d8fb6631fb1ba229b979cd20d276

    SHA512

    92be9bd731607fa69e8762c047731d49a0c1a1c3ad5d68678b52e7ea7942a33fd0c5863761bd89913121fa86cbd247bc4bbf8df5ea197dd70bb3d49a10b523de

  • memory/2268-43-0x0000000074CE0000-0x00000000753CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2268-1-0x0000000001080000-0x0000000001196000-memory.dmp

    Filesize

    1.1MB

  • memory/2268-2-0x0000000074CE0000-0x00000000753CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2268-3-0x00000000003E0000-0x00000000003F2000-memory.dmp

    Filesize

    72KB

  • memory/2268-4-0x00000000005A0000-0x00000000005A8000-memory.dmp

    Filesize

    32KB

  • memory/2268-5-0x00000000005B0000-0x00000000005BE000-memory.dmp

    Filesize

    56KB

  • memory/2268-6-0x0000000005150000-0x0000000005210000-memory.dmp

    Filesize

    768KB

  • memory/2268-0-0x0000000074CEE000-0x0000000074CEF000-memory.dmp

    Filesize

    4KB

  • memory/2768-31-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2768-48-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2768-33-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2768-41-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2768-38-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2768-37-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2768-36-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2768-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2768-29-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2768-27-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2768-25-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2768-23-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2768-21-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2768-42-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2768-49-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2768-20-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2768-54-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2768-55-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2768-61-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2768-62-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2768-67-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2768-68-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2768-73-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2768-75-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2768-80-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/2768-81-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB