Analysis

  • max time kernel
    149s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2024 00:22

General

  • Target

    918440a507b6126c6c1ec851e86ba6fa_JaffaCakes118.exe

  • Size

    1.3MB

  • MD5

    918440a507b6126c6c1ec851e86ba6fa

  • SHA1

    e0cc0bd52ad59393b405bbf1bb44e499771ecf07

  • SHA256

    643d70b162fbca24123f8c5ad6bab6fb1aa6166fb66a414910a5b78bd68320cf

  • SHA512

    3b7fd75b9a8156c563bd28dd67e59375c2ce3b33af41c03aef28a7a444db7d63033011082dcaf29fb8abc6934d3c310d27e6702cd8a12c4054aecd710997b3f5

  • SSDEEP

    24576:RFzkeYmtm7gEVVsg8ELiSTE2xODxMmoHNJoJ1VPAfhuPu:R9keFtmmrCBDmUNo1VPQhum

Malware Config

Extracted

Family

remcos

Version

3.2.0 Pro

Botnet

RemoteHost

C2

45.137.22.101:5888

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • 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

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-N9SJBV

  • 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

  • take_screenshot_title

    notepad;solitaire;

Signatures

  • Remcos

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

  • Remcos family
  • Uses the VBS compiler for execution 1 TTPs
  • 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 3 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\918440a507b6126c6c1ec851e86ba6fa_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\918440a507b6126c6c1ec851e86ba6fa_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2000
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kdRnOOKboEZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9627.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2764
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
        PID:2796
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        PID:2932

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp9627.tmp

      Filesize

      1KB

      MD5

      70e911a9e5503c29021e82bc0bcf63b9

      SHA1

      a3602b55de8b29823620cb2069d56f159b3a98e0

      SHA256

      266fa8e9b2eb2703ce90e2cee5924cd9c5da55ab0b06587c63a6288268a98fb6

      SHA512

      22ba1ac397e7743fbb63403d27cfd426b7af9dc451f5bed1f3420b3ac04a2bd40077be0b45a86355f94f8f9400762775bf65331fa18fad4b694b7a9f7193b0b4

    • memory/2000-0-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

      Filesize

      4KB

    • memory/2000-1-0x00000000009F0000-0x0000000000B44000-memory.dmp

      Filesize

      1.3MB

    • memory/2000-2-0x0000000074C50000-0x000000007533E000-memory.dmp

      Filesize

      6.9MB

    • memory/2000-3-0x00000000002A0000-0x00000000002BE000-memory.dmp

      Filesize

      120KB

    • memory/2000-4-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

      Filesize

      4KB

    • memory/2000-5-0x0000000074C50000-0x000000007533E000-memory.dmp

      Filesize

      6.9MB

    • memory/2000-6-0x00000000058F0000-0x00000000059BE000-memory.dmp

      Filesize

      824KB

    • memory/2000-7-0x00000000001F0000-0x0000000000268000-memory.dmp

      Filesize

      480KB

    • memory/2000-32-0x0000000074C50000-0x000000007533E000-memory.dmp

      Filesize

      6.9MB

    • memory/2932-15-0x0000000000400000-0x0000000000479000-memory.dmp

      Filesize

      484KB

    • memory/2932-28-0x0000000000400000-0x0000000000479000-memory.dmp

      Filesize

      484KB

    • memory/2932-30-0x0000000000400000-0x0000000000479000-memory.dmp

      Filesize

      484KB

    • memory/2932-27-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

      Filesize

      4KB

    • memory/2932-25-0x0000000000400000-0x0000000000479000-memory.dmp

      Filesize

      484KB

    • memory/2932-23-0x0000000000400000-0x0000000000479000-memory.dmp

      Filesize

      484KB

    • memory/2932-21-0x0000000000400000-0x0000000000479000-memory.dmp

      Filesize

      484KB

    • memory/2932-20-0x0000000000400000-0x0000000000479000-memory.dmp

      Filesize

      484KB

    • memory/2932-17-0x0000000000400000-0x0000000000479000-memory.dmp

      Filesize

      484KB

    • memory/2932-14-0x0000000000400000-0x0000000000479000-memory.dmp

      Filesize

      484KB

    • memory/2932-31-0x0000000000400000-0x0000000000479000-memory.dmp

      Filesize

      484KB

    • memory/2932-13-0x0000000000400000-0x0000000000479000-memory.dmp

      Filesize

      484KB