Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    27-06-2024 21:07

General

  • Target

    1787331fa3f89e5c542066c702026032_JaffaCakes118.exe

  • Size

    667KB

  • MD5

    1787331fa3f89e5c542066c702026032

  • SHA1

    e0c6d3d7c959a4cdae9347ffc2f2715c0c548489

  • SHA256

    c1cea27e96c5a7cee8fbb07677994a06994c797104c84a22f87563621e9a2274

  • SHA512

    01547c8684f8b1eefd9d11084d43332d52fb5e41363f45946d3530ffed958053a3ee736d9438eb7f7da6b998dae14cd1b6a586c5308a24eccad411a16490e9ed

  • SSDEEP

    12288:revgMsEPjD9BPde812W35dAOgrqet0k3D+EMVMKKcwHk0R8XTCAsQ429EcbxS:a4+PrMW35dAzq8rzBMqKKhHk06ueS

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

qwerrewq.no-ip.biz:82

Mutex

DC_MUTEX-S1SQAX8

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    TWVVSyXJvjJa

  • install

    true

  • offline_keylogger

    true

  • password

    0987654321

  • persistence

    true

  • reg_key

    MicroUpdate

Signatures

  • Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

  • Modifies WinLogon for persistence 2 TTPs 6 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 10 IoCs
  • Molebox Virtualization software 1 IoCs

    Detects file using Molebox Virtualization software.

  • Adds Run key to start application 2 TTPs 6 IoCs
  • Drops file in System32 directory 18 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1787331fa3f89e5c542066c702026032_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\1787331fa3f89e5c542066c702026032_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:772
    • C:\Windows\SysWOW64\notepad.exe
      notepad
      2⤵
      • Deletes itself
      PID:2204
    • C:\Windows\SysWOW64\MSDCSC\msdcsc.exe
      "C:\Windows\system32\MSDCSC\msdcsc.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2788
      • C:\Windows\SysWOW64\notepad.exe
        notepad
        3⤵
          PID:2584
        • C:\Windows\SysWOW64\MSDCSC\TWVVSyXJvjJa\msdcsc.exe
          "C:\Windows\system32\MSDCSC\TWVVSyXJvjJa\msdcsc.exe"
          3⤵
          • Modifies WinLogon for persistence
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Drops file in System32 directory
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2300
          • C:\Windows\SysWOW64\notepad.exe
            notepad
            4⤵
              PID:2508
            • C:\Windows\SysWOW64\MSDCSC\TWVVSyXJvjJa\TWVVSyXJvjJa\msdcsc.exe
              "C:\Windows\system32\MSDCSC\TWVVSyXJvjJa\TWVVSyXJvjJa\msdcsc.exe"
              4⤵
              • Modifies WinLogon for persistence
              • Executes dropped EXE
              • Loads dropped DLL
              • Adds Run key to start application
              • Drops file in System32 directory
              PID:1880
              • C:\Windows\SysWOW64\notepad.exe
                notepad
                5⤵
                  PID:2324
                • C:\Windows\SysWOW64\MSDCSC\TWVVSyXJvjJa\msdcsc.exe
                  "C:\Windows\system32\MSDCSC\TWVVSyXJvjJa\msdcsc.exe"
                  5⤵
                  • Modifies WinLogon for persistence
                  • Executes dropped EXE
                  • Loads dropped DLL
                  • Adds Run key to start application
                  • Drops file in System32 directory
                  PID:2456
                  • C:\Windows\SysWOW64\notepad.exe
                    notepad
                    6⤵
                      PID:2388
                    • C:\Windows\SysWOW64\MSDCSC\TWVVSyXJvjJa\TWVVSyXJvjJa\msdcsc.exe
                      "C:\Windows\system32\MSDCSC\TWVVSyXJvjJa\TWVVSyXJvjJa\msdcsc.exe"
                      6⤵
                      • Modifies WinLogon for persistence
                      • Executes dropped EXE
                      • Adds Run key to start application
                      • Drops file in System32 directory
                      PID:1068
                      • C:\Windows\SysWOW64\notepad.exe
                        notepad
                        7⤵
                          PID:1820

            Network

            MITRE ATT&CK Matrix ATT&CK v13

            Persistence

            Boot or Logon Autostart Execution

            2
            T1547

            Registry Run Keys / Startup Folder

            1
            T1547.001

            Winlogon Helper DLL

            1
            T1547.004

            Privilege Escalation

            Boot or Logon Autostart Execution

            2
            T1547

            Registry Run Keys / Startup Folder

            1
            T1547.001

            Winlogon Helper DLL

            1
            T1547.004

            Defense Evasion

            Modify Registry

            2
            T1112

            Discovery

            System Information Discovery

            1
            T1082

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • \Windows\SysWOW64\MSDCSC\msdcsc.exe
              Filesize

              667KB

              MD5

              1787331fa3f89e5c542066c702026032

              SHA1

              e0c6d3d7c959a4cdae9347ffc2f2715c0c548489

              SHA256

              c1cea27e96c5a7cee8fbb07677994a06994c797104c84a22f87563621e9a2274

              SHA512

              01547c8684f8b1eefd9d11084d43332d52fb5e41363f45946d3530ffed958053a3ee736d9438eb7f7da6b998dae14cd1b6a586c5308a24eccad411a16490e9ed

            • memory/772-39-0x0000000000400000-0x00000000004F3000-memory.dmp
              Filesize

              972KB

            • memory/772-5-0x00000000770C1000-0x00000000770C2000-memory.dmp
              Filesize

              4KB

            • memory/772-4-0x00000000778C0000-0x00000000778C1000-memory.dmp
              Filesize

              4KB

            • memory/772-3-0x0000000001F60000-0x0000000001F70000-memory.dmp
              Filesize

              64KB

            • memory/772-1-0x0000000000240000-0x0000000000241000-memory.dmp
              Filesize

              4KB

            • memory/772-0-0x0000000000400000-0x00000000004F3000-memory.dmp
              Filesize

              972KB

            • memory/772-6-0x00000000770B0000-0x00000000771C0000-memory.dmp
              Filesize

              1.1MB

            • memory/772-7-0x00000000770B0000-0x00000000771C0000-memory.dmp
              Filesize

              1.1MB

            • memory/772-40-0x0000000000500000-0x000000000054E000-memory.dmp
              Filesize

              312KB

            • memory/772-42-0x00000000770B0000-0x00000000771C0000-memory.dmp
              Filesize

              1.1MB

            • memory/772-2-0x0000000000500000-0x000000000054E000-memory.dmp
              Filesize

              312KB

            • memory/2204-31-0x00000000770B0000-0x00000000771C0000-memory.dmp
              Filesize

              1.1MB

            • memory/2204-29-0x00000000001E0000-0x00000000001E1000-memory.dmp
              Filesize

              4KB

            • memory/2204-10-0x0000000000080000-0x0000000000081000-memory.dmp
              Filesize

              4KB

            • memory/2204-91-0x00000000770B0000-0x00000000771C0000-memory.dmp
              Filesize

              1.1MB

            • memory/2300-89-0x0000000000400000-0x00000000004F3000-memory.dmp
              Filesize

              972KB

            • memory/2788-46-0x00000000770B0000-0x00000000771C0000-memory.dmp
              Filesize

              1.1MB

            • memory/2788-45-0x00000000770B0000-0x00000000771C0000-memory.dmp
              Filesize

              1.1MB

            • memory/2788-44-0x00000000770B0000-0x00000000771C0000-memory.dmp
              Filesize

              1.1MB

            • memory/2788-43-0x0000000000400000-0x00000000004F3000-memory.dmp
              Filesize

              972KB

            • memory/2788-85-0x0000000000400000-0x00000000004F3000-memory.dmp
              Filesize

              972KB

            • memory/2788-86-0x00000000770B0000-0x00000000771C0000-memory.dmp
              Filesize

              1.1MB