Analysis

  • max time kernel
    148s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-11-2024 08:44

General

  • Target

    aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe

  • Size

    972KB

  • MD5

    d62f3667a3442858a997db89c58f4eef

  • SHA1

    dae557169720173b6ce70228670154bd95cae0c3

  • SHA256

    aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19

  • SHA512

    c85a29e92edf84235de9891b13b09c000bd948363d5fe1c3eb5af1ffeb35c0b95da7f8a166cec5df83c0e5feb5d7234cc9a8e44c884189b9c34cc8d7daa11bbc

  • SSDEEP

    12288:5umVWXiUJmBCk1sV2tfIUFspQ2zgKZhKV9+xhJJPeWiHD7aqZMJkD:hifJmBPfepFgahKmJejcs

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

162.251.122.76:7119

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-P2SX34

  • 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

  • Remcos

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

  • Remcos family
  • 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).

  • 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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
    "C:\Users\Admin\AppData\Local\Temp\aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1852
    • 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\aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2844
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ZxiJIiRCztV.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2744
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZxiJIiRCztV" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA1EA.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2584
    • C:\Users\Admin\AppData\Local\Temp\aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
      "C:\Users\Admin\AppData\Local\Temp\aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2140

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpA1EA.tmp

    Filesize

    1KB

    MD5

    842815b7a51a0063dcff7834344b5dc6

    SHA1

    216f80b5a9008db48164ba711fad331d3caa07de

    SHA256

    07966c3fe24bf9505d7165c0543c49a0917a6f4d2e3d341ccb455c8498e664aa

    SHA512

    508571fcb1926e86c916222fd3483c804ab09ff4ef23d6a4dbe0f5f81a2fcace0e2307f8163802408eb9b6bd74c02abdd4aa0eb623bd32a40f63115df70545c7

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\32P2LMBNT8O16D4EL28N.temp

    Filesize

    7KB

    MD5

    b98818665bcf8e1fc823613e4c130229

    SHA1

    4f419ffb246a4b48eb73cda2de92087abd30a5a0

    SHA256

    e2796b9bb5a9735b03e6acad27ddb0ac4ba2a6a05eea0798d2ad6b2f3d84854a

    SHA512

    6b69c4a42d631c5d76223bee9d40f7b854beef39ad9a0d304e1cfbb14f861c52ca461060bdcb2b3b7f36f2f1b9af508188f2df8f927b3f67002ffa48dad65ffd

  • memory/1852-0-0x000000007424E000-0x000000007424F000-memory.dmp

    Filesize

    4KB

  • memory/1852-1-0x0000000000D30000-0x0000000000E24000-memory.dmp

    Filesize

    976KB

  • memory/1852-2-0x0000000074240000-0x000000007492E000-memory.dmp

    Filesize

    6.9MB

  • memory/1852-3-0x000000007424E000-0x000000007424F000-memory.dmp

    Filesize

    4KB

  • memory/1852-4-0x0000000074240000-0x000000007492E000-memory.dmp

    Filesize

    6.9MB

  • memory/1852-5-0x0000000000940000-0x0000000000952000-memory.dmp

    Filesize

    72KB

  • memory/1852-6-0x0000000005C50000-0x0000000005D10000-memory.dmp

    Filesize

    768KB

  • memory/1852-40-0x0000000074240000-0x000000007492E000-memory.dmp

    Filesize

    6.9MB

  • memory/2140-31-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2140-25-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2140-39-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2140-33-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2140-36-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2140-29-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2140-27-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2140-38-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2140-37-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2140-23-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2140-21-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2140-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2140-20-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2140-41-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2140-42-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2140-43-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2140-44-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2140-45-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2140-46-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2140-47-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2140-48-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB