Analysis

  • max time kernel
    147s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    18-08-2024 13:28

General

  • Target

    QNB_Group_Payment_Notice_Slip.pdf.exe

  • Size

    982KB

  • MD5

    8eca6c00555ac8e91091901a16166ba9

  • SHA1

    f595f6b9274887d03020d6cf9ddc508237f40207

  • SHA256

    36a6d99fa6a4d415693ac28a5eb2bdeb425bfbbe4b4e9ea2e51be2feac3fab17

  • SHA512

    5936c3b66cbb9db67a742ecc5715b14140a2c98ad23e5aabd5214c62ff88f5a16bd26b415e4257e27b82b5e5f894e78435079c5ffc2ae9940c36eafe33441dd3

  • SSDEEP

    24576:NAr0vrlp9niTFJbhAd3oQIS4TelTmGg/Pf70:N1zz9niPNg0S4TeRm3D0

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\QNB_Group_Payment_Notice_Slip.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\QNB_Group_Payment_Notice_Slip.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2220
    • 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\QNB_Group_Payment_Notice_Slip.pdf.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2720
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\GZPESEpoVmfRnL.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2900
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GZPESEpoVmfRnL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp99CF.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2840
    • C:\Users\Admin\AppData\Local\Temp\QNB_Group_Payment_Notice_Slip.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\QNB_Group_Payment_Notice_Slip.pdf.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2612

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp99CF.tmp

    Filesize

    1KB

    MD5

    97e1c8876dd903856e03086acd59a564

    SHA1

    c6df2be35209dc5f58696a9cc3cdec30e510b949

    SHA256

    ae6583c220ed4617ac8d12030bcb15afb62c1e29b2c884e09d202176c7db8cf6

    SHA512

    75297e6792e92d43757114fdb64cee0bf13722ca90f9ace2b0d4bd7fb4fbb7aa54127b17fe508e71ac8cf9b054b6d51d4db822a2a55f78a9af7e390ec52769ef

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\A9AFA0I3WJP7PT0V3KT2.temp

    Filesize

    7KB

    MD5

    ad0b477197b3df2724403686051b803e

    SHA1

    4138f50f84092c73dbf1adfc18029932b5af11d5

    SHA256

    78df4f89a3f4fab75e23696e0109c63b3f06780049c8cfda1b2e6459ef85d9a8

    SHA512

    2d8ddf885461eab8d39f0ccfa9e78be0592886ea0f94c8851f2285c3439b6c840b2445ac971335a2a2d7c9553a941519430d096092dd1df992957234ca304c04

  • memory/2220-0-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

    Filesize

    4KB

  • memory/2220-1-0x0000000000CE0000-0x0000000000DD8000-memory.dmp

    Filesize

    992KB

  • memory/2220-2-0x0000000074A80000-0x000000007516E000-memory.dmp

    Filesize

    6.9MB

  • memory/2220-3-0x0000000000410000-0x000000000042E000-memory.dmp

    Filesize

    120KB

  • memory/2220-4-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

    Filesize

    4KB

  • memory/2220-5-0x0000000074A80000-0x000000007516E000-memory.dmp

    Filesize

    6.9MB

  • memory/2220-6-0x0000000000230000-0x0000000000246000-memory.dmp

    Filesize

    88KB

  • memory/2220-7-0x0000000005B80000-0x0000000005C3E000-memory.dmp

    Filesize

    760KB

  • memory/2220-41-0x0000000074A80000-0x000000007516E000-memory.dmp

    Filesize

    6.9MB

  • memory/2612-33-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2612-36-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2612-39-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2612-38-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2612-34-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2612-37-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2612-30-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2612-28-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2612-26-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2612-24-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2612-22-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2612-40-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2612-21-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2612-42-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2612-43-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2612-44-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2612-45-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2612-46-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2612-47-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2612-48-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2612-49-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2612-50-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/2612-51-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB