Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    16-08-2024 10:52

General

  • Target

    9ac1813552dfe8f0ffa0197e74c453e4cca936ff667066628a03fe7bcfc69030.exe

  • Size

    944KB

  • MD5

    6161c04bf6f739915c469c9718b30ea8

  • SHA1

    1f8e7670f89ee78fd393e609c5f5a5af8bdb2d26

  • SHA256

    9ac1813552dfe8f0ffa0197e74c453e4cca936ff667066628a03fe7bcfc69030

  • SHA512

    4925ebbf86b419681bc538a8a63a8bf893b656a8ba9efb7a4763c0be1e1e34e233aea91fc6b9823f4a439ccbf9e374b4fbb04309452ab8a6dbc9af45372a1902

  • SSDEEP

    24576:fY/TkthhqbBuQBIK5wUwfhOMX+GZDnsYKVjACuMwd:YBughwUPHGVAjAO8

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

212.162.149.42:7118

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-WYBPPO

  • 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.

  • 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 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9ac1813552dfe8f0ffa0197e74c453e4cca936ff667066628a03fe7bcfc69030.exe
    "C:\Users\Admin\AppData\Local\Temp\9ac1813552dfe8f0ffa0197e74c453e4cca936ff667066628a03fe7bcfc69030.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3040
    • 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\9ac1813552dfe8f0ffa0197e74c453e4cca936ff667066628a03fe7bcfc69030.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2360
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CqcHNIR.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1892
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CqcHNIR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp58AB.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2544
    • C:\Users\Admin\AppData\Local\Temp\9ac1813552dfe8f0ffa0197e74c453e4cca936ff667066628a03fe7bcfc69030.exe
      "C:\Users\Admin\AppData\Local\Temp\9ac1813552dfe8f0ffa0197e74c453e4cca936ff667066628a03fe7bcfc69030.exe"
      2⤵
        PID:2552
      • C:\Users\Admin\AppData\Local\Temp\9ac1813552dfe8f0ffa0197e74c453e4cca936ff667066628a03fe7bcfc69030.exe
        "C:\Users\Admin\AppData\Local\Temp\9ac1813552dfe8f0ffa0197e74c453e4cca936ff667066628a03fe7bcfc69030.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        PID:2264

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp58AB.tmp

      Filesize

      1KB

      MD5

      54691e245d55a1c5016aecf27062f6d8

      SHA1

      e97bc566bf9270d02a43fd763b3f1e6b8f37673e

      SHA256

      8ec546d595546c776755a0a71c4ed61351dfca33fa658c77e6e20adb605d5b69

      SHA512

      27073c1e24a7e369fce18395cc7936efa906baec9332627a683062af1b0ea2d525323679480380207924e059695c435e34e74da887f175b070350dd95cafd966

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

      Filesize

      7KB

      MD5

      733c5eb5c4bfe5cad63bd73ce0206941

      SHA1

      e8677d809317e466788496b9651d9a741773884e

      SHA256

      464efb62a7fbfc56c232db5f9daa4d82381a0e6ffd3ca1224e4520edb67d1783

      SHA512

      909bd3210934306143a1e7a102287ec60d047827150802ea10cb840c6c1301b32f13df4ace11ed9efbb7a3439d4022f065a66c1b92479c1f8134ae831984f222

    • memory/2264-33-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2264-45-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2264-54-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2264-55-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2264-52-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2264-53-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2264-50-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2264-31-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2264-51-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2264-29-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2264-38-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2264-37-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2264-41-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2264-40-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2264-39-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2264-35-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2264-49-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2264-48-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2264-21-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2264-27-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2264-25-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2264-23-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2264-44-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2264-43-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/3040-42-0x0000000074AA0000-0x000000007518E000-memory.dmp

      Filesize

      6.9MB

    • memory/3040-3-0x0000000004D30000-0x0000000004E00000-memory.dmp

      Filesize

      832KB

    • memory/3040-2-0x0000000074AA0000-0x000000007518E000-memory.dmp

      Filesize

      6.9MB

    • memory/3040-6-0x0000000074AA0000-0x000000007518E000-memory.dmp

      Filesize

      6.9MB

    • memory/3040-1-0x0000000001050000-0x0000000001140000-memory.dmp

      Filesize

      960KB

    • memory/3040-8-0x0000000004E00000-0x0000000004EBE000-memory.dmp

      Filesize

      760KB

    • memory/3040-7-0x0000000000580000-0x000000000058E000-memory.dmp

      Filesize

      56KB

    • memory/3040-0-0x0000000074AAE000-0x0000000074AAF000-memory.dmp

      Filesize

      4KB

    • memory/3040-5-0x0000000074AAE000-0x0000000074AAF000-memory.dmp

      Filesize

      4KB

    • memory/3040-4-0x0000000000570000-0x000000000057E000-memory.dmp

      Filesize

      56KB