Analysis

  • max time kernel
    147s
  • max time network
    197s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    21-06-2021 01:06

General

  • Target

    W0rld cup_QATAR 2022 STADIUM PROJECT ONGOING PR0JECT.exe

  • Size

    35KB

  • MD5

    338ffcaf3397eb562228788f41c0268a

  • SHA1

    544a8b8d98775ebfd452651cfc62bc1495d33488

  • SHA256

    6654c75acd136f37aad63d828eea396361326bb422a91563998ff0302de2bd20

  • SHA512

    66512d06d54a70ae5e5d4a095d0fde690dc3a126546691cb08b56afb858eaa07575d9d9fdce659ccc15099c5fc2fd2e42926c1e9905452cf7b19358ec1e80557

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

185.19.85.134:6666

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    cupp.exe

  • copy_folder

    cupp

  • delete_file

    false

  • 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_jmmfqvqtrcqvysy

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

Signatures

  • Remcos

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

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 6 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 29 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Delays execution with timeout.exe 2 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 59 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\W0rld cup_QATAR 2022 STADIUM PROJECT ONGOING PR0JECT.exe
    "C:\Users\Admin\AppData\Local\Temp\W0rld cup_QATAR 2022 STADIUM PROJECT ONGOING PR0JECT.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1988
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout 1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1460
      • C:\Windows\SysWOW64\timeout.exe
        timeout 1
        3⤵
        • Delays execution with timeout.exe
        PID:1788
    • C:\Users\Admin\AppData\Local\Temp\W0rld cup_QATAR 2022 STADIUM PROJECT ONGOING PR0JECT.exe
      "C:\Users\Admin\AppData\Local\Temp\W0rld cup_QATAR 2022 STADIUM PROJECT ONGOING PR0JECT.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:744
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\install.bat" "
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1896
        • C:\Windows\SysWOW64\PING.EXE
          PING 127.0.0.1 -n 2
          4⤵
          • Runs ping.exe
          PID:1220
        • C:\Users\Admin\AppData\Roaming\cupp\cupp.exe
          "C:\Users\Admin\AppData\Roaming\cupp\cupp.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:112
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /c timeout 1
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:864
            • C:\Windows\SysWOW64\timeout.exe
              timeout 1
              6⤵
              • Delays execution with timeout.exe
              PID:564
          • C:\Users\Admin\AppData\Roaming\cupp\cupp.exe
            "C:\Users\Admin\AppData\Roaming\cupp\cupp.exe"
            5⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Suspicious use of SetWindowsHookEx
            PID:1164
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 112 -s 1808
            5⤵
            • Loads dropped DLL
            • Program crash
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            PID:1700
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1988 -s 1772
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:1776

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Discovery

System Information Discovery

1
T1082

Remote System Discovery

1
T1018

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
    MD5

    6045baccf49e1eba0e674945311a06e6

    SHA1

    379c6234849eecede26fad192c2ee59e0f0221cb

    SHA256

    65830a65cb913bee83258e4ac3e140faf131e7eb084d39f7020c7acc825b0a58

    SHA512

    da32af6a730884e73956e4eb6bff61a1326b3ef8ba0a213b5b4aad6de4fbd471b3550b6ac2110f1d0b2091e33c70d44e498f897376f8e1998b1d2afac789abeb

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
    MD5

    b6490a4730dc795c50ad8ee9434b4859

    SHA1

    56ad746d3064d4d125b7b0c994175a7f6f4c8c3b

    SHA256

    ac28db362d4de0f7746c8eda970af344cbe05055198145b5bde3864cc3ff71bd

    SHA512

    38aa8a68057f15c1de73dda2aba79165f89e37079eb443fd9737dab4775e41f632c95563df7fe62ee56bfa07a6f4bebaff5cca853c3405fcdd264ae5088461fb

  • C:\Users\Admin\AppData\Local\Temp\install.bat
    MD5

    1ce0c81c3f00022f95124481eb658eba

    SHA1

    fd96293f9693f001ff351d80a4c24f320a609867

    SHA256

    61c71eb5606e7786820dd7834a9c450d68d4424c68582febc17aa450681c22bc

    SHA512

    1988b09f47898a04f737284081aa4a090ec9f534167cedddfdb5e3d3f40708379d2fbafb8b34104e1f6c50f8adc5c9b65bf4f47c270ef410b36a9f77687c95c6

  • C:\Users\Admin\AppData\Roaming\cupp\cupp.exe
    MD5

    338ffcaf3397eb562228788f41c0268a

    SHA1

    544a8b8d98775ebfd452651cfc62bc1495d33488

    SHA256

    6654c75acd136f37aad63d828eea396361326bb422a91563998ff0302de2bd20

    SHA512

    66512d06d54a70ae5e5d4a095d0fde690dc3a126546691cb08b56afb858eaa07575d9d9fdce659ccc15099c5fc2fd2e42926c1e9905452cf7b19358ec1e80557

  • C:\Users\Admin\AppData\Roaming\cupp\cupp.exe
    MD5

    338ffcaf3397eb562228788f41c0268a

    SHA1

    544a8b8d98775ebfd452651cfc62bc1495d33488

    SHA256

    6654c75acd136f37aad63d828eea396361326bb422a91563998ff0302de2bd20

    SHA512

    66512d06d54a70ae5e5d4a095d0fde690dc3a126546691cb08b56afb858eaa07575d9d9fdce659ccc15099c5fc2fd2e42926c1e9905452cf7b19358ec1e80557

  • C:\Users\Admin\AppData\Roaming\cupp\cupp.exe
    MD5

    338ffcaf3397eb562228788f41c0268a

    SHA1

    544a8b8d98775ebfd452651cfc62bc1495d33488

    SHA256

    6654c75acd136f37aad63d828eea396361326bb422a91563998ff0302de2bd20

    SHA512

    66512d06d54a70ae5e5d4a095d0fde690dc3a126546691cb08b56afb858eaa07575d9d9fdce659ccc15099c5fc2fd2e42926c1e9905452cf7b19358ec1e80557

  • \Users\Admin\AppData\Roaming\cupp\cupp.exe
    MD5

    338ffcaf3397eb562228788f41c0268a

    SHA1

    544a8b8d98775ebfd452651cfc62bc1495d33488

    SHA256

    6654c75acd136f37aad63d828eea396361326bb422a91563998ff0302de2bd20

    SHA512

    66512d06d54a70ae5e5d4a095d0fde690dc3a126546691cb08b56afb858eaa07575d9d9fdce659ccc15099c5fc2fd2e42926c1e9905452cf7b19358ec1e80557

  • \Users\Admin\AppData\Roaming\cupp\cupp.exe
    MD5

    338ffcaf3397eb562228788f41c0268a

    SHA1

    544a8b8d98775ebfd452651cfc62bc1495d33488

    SHA256

    6654c75acd136f37aad63d828eea396361326bb422a91563998ff0302de2bd20

    SHA512

    66512d06d54a70ae5e5d4a095d0fde690dc3a126546691cb08b56afb858eaa07575d9d9fdce659ccc15099c5fc2fd2e42926c1e9905452cf7b19358ec1e80557

  • \Users\Admin\AppData\Roaming\cupp\cupp.exe
    MD5

    338ffcaf3397eb562228788f41c0268a

    SHA1

    544a8b8d98775ebfd452651cfc62bc1495d33488

    SHA256

    6654c75acd136f37aad63d828eea396361326bb422a91563998ff0302de2bd20

    SHA512

    66512d06d54a70ae5e5d4a095d0fde690dc3a126546691cb08b56afb858eaa07575d9d9fdce659ccc15099c5fc2fd2e42926c1e9905452cf7b19358ec1e80557

  • \Users\Admin\AppData\Roaming\cupp\cupp.exe
    MD5

    338ffcaf3397eb562228788f41c0268a

    SHA1

    544a8b8d98775ebfd452651cfc62bc1495d33488

    SHA256

    6654c75acd136f37aad63d828eea396361326bb422a91563998ff0302de2bd20

    SHA512

    66512d06d54a70ae5e5d4a095d0fde690dc3a126546691cb08b56afb858eaa07575d9d9fdce659ccc15099c5fc2fd2e42926c1e9905452cf7b19358ec1e80557

  • \Users\Admin\AppData\Roaming\cupp\cupp.exe
    MD5

    338ffcaf3397eb562228788f41c0268a

    SHA1

    544a8b8d98775ebfd452651cfc62bc1495d33488

    SHA256

    6654c75acd136f37aad63d828eea396361326bb422a91563998ff0302de2bd20

    SHA512

    66512d06d54a70ae5e5d4a095d0fde690dc3a126546691cb08b56afb858eaa07575d9d9fdce659ccc15099c5fc2fd2e42926c1e9905452cf7b19358ec1e80557

  • \Users\Admin\AppData\Roaming\cupp\cupp.exe
    MD5

    338ffcaf3397eb562228788f41c0268a

    SHA1

    544a8b8d98775ebfd452651cfc62bc1495d33488

    SHA256

    6654c75acd136f37aad63d828eea396361326bb422a91563998ff0302de2bd20

    SHA512

    66512d06d54a70ae5e5d4a095d0fde690dc3a126546691cb08b56afb858eaa07575d9d9fdce659ccc15099c5fc2fd2e42926c1e9905452cf7b19358ec1e80557

  • memory/112-75-0x0000000000000000-mapping.dmp
  • memory/112-77-0x0000000000F00000-0x0000000000F01000-memory.dmp
    Filesize

    4KB

  • memory/112-82-0x0000000005520000-0x0000000005521000-memory.dmp
    Filesize

    4KB

  • memory/564-85-0x0000000000000000-mapping.dmp
  • memory/744-72-0x0000000000400000-0x0000000000418000-memory.dmp
    Filesize

    96KB

  • memory/744-67-0x00000000767B1000-0x00000000767B3000-memory.dmp
    Filesize

    8KB

  • memory/744-65-0x0000000000400000-0x0000000000418000-memory.dmp
    Filesize

    96KB

  • memory/744-66-0x000000000040FD88-mapping.dmp
  • memory/864-84-0x0000000000000000-mapping.dmp
  • memory/1164-87-0x000000000040FD88-mapping.dmp
  • memory/1164-96-0x0000000000400000-0x0000000000418000-memory.dmp
    Filesize

    96KB

  • memory/1220-71-0x0000000000000000-mapping.dmp
  • memory/1460-63-0x0000000000000000-mapping.dmp
  • memory/1700-90-0x0000000000000000-mapping.dmp
  • memory/1700-97-0x0000000000260000-0x00000000002C0000-memory.dmp
    Filesize

    384KB

  • memory/1776-81-0x0000000001E00000-0x0000000001E01000-memory.dmp
    Filesize

    4KB

  • memory/1776-69-0x0000000000000000-mapping.dmp
  • memory/1788-64-0x0000000000000000-mapping.dmp
  • memory/1896-68-0x0000000000000000-mapping.dmp
  • memory/1988-59-0x0000000000F80000-0x0000000000F81000-memory.dmp
    Filesize

    4KB

  • memory/1988-62-0x0000000000960000-0x00000000009BE000-memory.dmp
    Filesize

    376KB

  • memory/1988-61-0x0000000004670000-0x0000000004671000-memory.dmp
    Filesize

    4KB