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Overview

overview

10

Static

static

5

d45d672180...d3.exe

windows7-x64

10

d45d672180...d3.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    112s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/01/2025, 21:53

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General

  • Target

    d45d672180e6840443591839dfdaa304142243ff495d6a5ad5852142dc6846d3.exe

  • Size

    1.1MB

  • MD5

    787841181de0ea645b316148b740b0c9

  • SHA1

    055f48f3b7654f870cd2fbbbb6e974b03ae945db

  • SHA256

    d45d672180e6840443591839dfdaa304142243ff495d6a5ad5852142dc6846d3

  • SHA512

    34f3ffec42fb9ab11c4cb2ac7d54657bed043d8c6316a7abad1b08ea73aba62d3df43112b96f4eefe6dab07d41801eef001c1695aa818c7033c1b5c705fc7130

  • SSDEEP

    24576:1u6J33O0c+JY5UZ+XC0kGso6FakCsU4yYhK3x9uZ3WYy:Xu0c++OCvkGs9Fak4BYy

Score
10/10
remcosremotehostdiscoverypersistencerat

Malware Config

Extracted

Family

remcos

Version

2.2.0 Pro

Botnet

RemoteHost

C2

185.217.1.142:3337

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    3

  • copy_file

    remcos.exe

  • copy_folder

    remcos

  • delete_file

    true

  • hide_file

    false

  • 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

    Remcos-VBI2IL

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Modifies WinLogon for persistence 2 TTPs 3 IoCs
    persistence
  • Remcos

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

    ratremcos
  • Remcos family
    remcos
  • Checks computer location settings 2 TTPs 6 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
    persistence
  • Modifies WinLogon 2 TTPs 3 IoCs
    persistence
  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 12 IoCs

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

    discovery
  • Modifies registry class 3 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs

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

    persistenceexecution
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d45d672180e6840443591839dfdaa304142243ff495d6a5ad5852142dc6846d3.exe
    "C:\Users\Admin\AppData\Local\Temp\d45d672180e6840443591839dfdaa304142243ff495d6a5ad5852142dc6846d3.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1496
    • C:\Users\Admin\AppData\Local\Temp\d45d672180e6840443591839dfdaa304142243ff495d6a5ad5852142dc6846d3.exe
      "C:\Users\Admin\AppData\Local\Temp\d45d672180e6840443591839dfdaa304142243ff495d6a5ad5852142dc6846d3.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Checks computer location settings
      • Adds Run key to start application
      • Modifies WinLogon
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:3588
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\install.vbs"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3444
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\SysWOW64\schtasks.exe" /create /tn cttunesvr /tr "C:\Users\Admin\AppData\Roaming\adprovider\Dxpserver.exe" /sc minute /mo 1 /F
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1072
  • C:\Users\Admin\AppData\Roaming\adprovider\Dxpserver.exe
    C:\Users\Admin\AppData\Roaming\adprovider\Dxpserver.exe
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4904
    • C:\Users\Admin\AppData\Roaming\adprovider\Dxpserver.exe
      "C:\Users\Admin\AppData\Roaming\adprovider\Dxpserver.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • Modifies WinLogon
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:4984
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\install.vbs"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4836
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\SysWOW64\schtasks.exe" /create /tn cttunesvr /tr "C:\Users\Admin\AppData\Roaming\adprovider\Dxpserver.exe" /sc minute /mo 1 /F
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1528
  • C:\Users\Admin\AppData\Roaming\adprovider\Dxpserver.exe
    C:\Users\Admin\AppData\Roaming\adprovider\Dxpserver.exe
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4980
    • C:\Users\Admin\AppData\Roaming\adprovider\Dxpserver.exe
      "C:\Users\Admin\AppData\Roaming\adprovider\Dxpserver.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • Modifies WinLogon
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:4680
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\install.vbs"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2232
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\SysWOW64\schtasks.exe" /create /tn cttunesvr /tr "C:\Users\Admin\AppData\Roaming\adprovider\Dxpserver.exe" /sc minute /mo 1 /F
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4820

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    658B

    MD5

    87fb54e35d2b42e2a5882fd866bd5391

    SHA1

    4fcbd13e36393bf8ce102f4c36c688fa1686c5bc

    SHA256

    90c3e99e15f34c2cd793be4679700e9bbf4503ed1e6464f852ce57b71ee51b98

    SHA512

    f95d63316690a92865d4f672d552a81818dc0bb7a565b93b995de9171b6622f23b4177c8115b618f0a0dac2d7034c7c57b1d857eb2abfe68986eefefd8e82522

    Download Submit

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

    564B

    MD5

    e221e7bd7e33aef4a5264f798818142e

    SHA1

    3545dbcc35de80c8f15da0daceab80acd0f1ae22

    SHA256

    f37e43a3504c163fa4a82bacc92ceb8cccd37d1020fbba95cc954f316ce49516

    SHA512

    04775d0fa21526bbbaa2deea13af1d5fab6183ea3a2809073539293da78e20f1cf4b9a4afdeafb1b4e8ce17a5be40f44364808ab73c174c98bce53ad8a1807d8

    Download Submit

  • C:\Users\Admin\AppData\Roaming\adprovider\Dxpserver.exe
    Filesize

    1.1MB

    MD5

    f98980c3884c4f8f7acf46a43308ce4e

    SHA1

    fac1cea54636e05ea1571cfba03cca6a5a865873

    SHA256

    5d51a95e58efa750babac58a1a1da78a11930adb72304856b470ae26b576af93

    SHA512

    1f055d6720bab0bab0247f3f1b1d6c8ec486b21bb3aab036a77074d1f4d8df2e4e40107605fec9a9efba9ae202edfd2b57a47e32240f6af570de83cd1961e2de

    Download Submit

  • memory/1496-0-0x00000000036F0000-0x00000000036F1000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3588-1-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

    Download

  • memory/3588-8-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

    Download