Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/07/2024, 10:46

General

  • Target
    497282f5a24b7948b8f0ef8a3bbc4af3_JaffaCakes118.exe
  • Size 786KB
  • Sample240715-mtzeqsselq
  • SHA256 ba4eed8384f52557827a6255f530b0b3e0b4fc5250da6388e2f28616f2b80bf5
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xtremerat

C2
  • nerozhack.ddns.com.br

  • €p ƒalonedevil.no-ip.org

  • gameszero.dyndns.org

Signatures

  • Detect XtremeRAT payload 12 IoCs
  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • UAC bypass 3 TTPs 1 IoCs
  • XtremeRAT

    The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.

  • ModiLoader Second Stage 13 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 8 IoCs
  • Loads dropped DLL 19 IoCs
  • UPX packed file 48 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • AutoIT Executable 6 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 5 IoCs
  • Suspicious use of SetThreadContext 6 IoCs
  • Drops file in Windows directory 8 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 7 IoCs
  • Suspicious behavior: SetClipboardViewer 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\497282f5a24b7948b8f0ef8a3bbc4af3_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\497282f5a24b7948b8f0ef8a3bbc4af3_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:1528
    • C:\Users\Admin\AppData\Local\Temp\497282f5a24b7948b8f0ef8a3bbc4af3_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\497282f5a24b7948b8f0ef8a3bbc4af3_JaffaCakes118.exe"
      2⤵
      • Checks computer location settings
      • Checks whether UAC is enabled
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3608
      • C:\Windows\mstwain32.exe
        "C:\Windows\mstwain32.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2460
        • C:\Windows\mstwain32.exe
          "C:\Windows\mstwain32.exe"
          4⤵
          • UAC bypass
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Checks whether UAC is enabled
          • Drops file in Windows directory
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • System policy modification
          PID:3972
        • C:\Windows\RSOP.exe
          C:\Windows\RSOP.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3708
          • C:\Windows\RSOP.exe
            "C:\Windows\RSOP.exe"
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of SetThreadContext
            • Drops file in Windows directory
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:4564
            • C:\Windows\RSOP.exe
              "C:\Windows\RSOP.exe"
              6⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:1132
              • C:\Windows\SysWOW64\svchost.exe
                svchost.exe
                7⤵
                  PID:1704
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 1704 -s 480
                    8⤵
                    • Loads dropped DLL
                    • Program crash
                    PID:1696
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 1704 -s 488
                    8⤵
                    • Loads dropped DLL
                    • Program crash
                    PID:4192
                • C:\WINDOWS\SysWOW64\taskmgr.exe
                  C:\WINDOWS\system32\taskmgr.exe
                  7⤵
                  • Loads dropped DLL
                  • Adds Run key to start application
                  • Drops file in System32 directory
                  • Suspicious behavior: SetClipboardViewer
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of SetWindowsHookEx
                  PID:2540
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 2540 -s 1088
                    8⤵
                    • Loads dropped DLL
                    • Program crash
                    PID:1540
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 2540 -s 1116
                    8⤵
                    • Loads dropped DLL
                    • Program crash
                    PID:3080
      • C:\Windows\RSOP.exe
        C:\Windows\RSOP.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:4900
        • C:\Windows\RSOP.exe
          "C:\Windows\RSOP.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Drops file in Windows directory
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1492
          • C:\Windows\RSOP.exe
            "C:\Windows\RSOP.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:3136
            • C:\Windows\SysWOW64\svchost.exe
              svchost.exe
              5⤵
                PID:3180
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 3180 -s 480
                  6⤵
                  • Program crash
                  PID:1948
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 3180 -s 500
                  6⤵
                  • Program crash
                  PID:4356
              • C:\WINDOWS\SysWOW64\taskmgr.exe
                C:\WINDOWS\system32\taskmgr.exe
                5⤵
                • Adds Run key to start application
                • Drops file in System32 directory
                • Suspicious use of SetWindowsHookEx
                PID:3272
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 3272 -s 1076
                  6⤵
                  • Program crash
                  PID:4952
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3180 -ip 3180
        1⤵
          PID:1668
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3272 -ip 3272
          1⤵
            PID:548
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 3180 -ip 3180
            1⤵
              PID:2108
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1704 -ip 1704
              1⤵
                PID:672
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 1704 -ip 1704
                1⤵
                  PID:4296
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2540 -ip 2540
                  1⤵
                    PID:4684
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2540 -ip 2540
                    1⤵
                      PID:4960

                    Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          aaewrcp

                          • Path C:\Users\Admin\AppData\Local\Temp\aaewrcp
                          • Size 9KB
                          • SHA256 b4efccf8457046aaf4c5b272addd3299003f41ef19bad993ee2be0554a2922ce
                          • MD5 SHA1 SHA512 SSDEEP

                          RSOP.exe

                          • Path C:\Windows\RSOP.exe
                          • Size 300KB
                          • SHA256 3cdc6602fee91dc53c16573cf2f53dbcec491d53a0795312290a804a247a81a3
                          • MD5 SHA1 SHA512 SSDEEP

                          cmsetac.dll

                          • Path C:\Windows\cmsetac.dll
                          • Size 33KB
                          • SHA256 e14de95ab21c8c07b1b50d64b36cf8af63ae7f6b47d6c5185dcd6557bca88c19
                          • MD5 SHA1 SHA512 SSDEEP

                          mstwain32.exe

                          • Path C:\Windows\mstwain32.exe
                          • Size 786KB
                          • SHA256 ba4eed8384f52557827a6255f530b0b3e0b4fc5250da6388e2f28616f2b80bf5
                          • MD5 SHA1 SHA512 SSDEEP

                          ntdtcstp.dll

                          • Path C:\Windows\ntdtcstp.dll
                          • Size 7KB
                          • SHA256 e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378
                          • MD5 SHA1 SHA512 SSDEEP

                          memory/1132-112-0x0000000010000000-0x000000001004D000-memory.dmp

                          memory/1132-113-0x0000000010000000-0x000000001004D000-memory.dmp

                          memory/1132-120-0x0000000002720000-0x000000000272E000-memory.dmp

                          memory/1132-125-0x0000000002720000-0x000000000272E000-memory.dmp

                          memory/1492-35-0x0000000000400000-0x0000000000414000-memory.dmp

                          memory/1492-44-0x0000000000400000-0x0000000000414000-memory.dmp

                          memory/1492-27-0x0000000000400000-0x0000000000414000-memory.dmp

                          memory/1492-30-0x0000000000400000-0x0000000000414000-memory.dmp

                          memory/1528-26-0x0000000000400000-0x00000000004B1000-memory.dmp

                          memory/1528-0-0x0000000000400000-0x00000000004B1000-memory.dmp

                          memory/1704-121-0x0000000010000000-0x000000001004D000-memory.dmp

                          memory/1704-134-0x0000000010000000-0x000000001004D000-memory.dmp

                          memory/2460-80-0x0000000000400000-0x00000000004B1000-memory.dmp

                          memory/2540-128-0x0000000000600000-0x000000000060E000-memory.dmp

                          memory/2540-132-0x0000000010000000-0x000000001004D000-memory.dmp

                          memory/2540-140-0x0000000010000000-0x000000001004D000-memory.dmp

                          memory/2540-124-0x0000000010000000-0x000000001004D000-memory.dmp

                          memory/2540-141-0x0000000000600000-0x000000000060E000-memory.dmp

                          memory/3136-41-0x0000000000400000-0x00000000004B1000-memory.dmp

                          memory/3136-38-0x0000000010000000-0x000000001004D000-memory.dmp

                          memory/3136-42-0x0000000010000000-0x000000001004D000-memory.dmp

                          memory/3136-45-0x0000000010000000-0x000000001004D000-memory.dmp

                          memory/3180-46-0x0000000010000000-0x000000001004D000-memory.dmp

                          memory/3180-53-0x0000000010000000-0x000000001004D000-memory.dmp

                          memory/3272-50-0x0000000010000000-0x000000001004D000-memory.dmp

                          memory/3272-47-0x0000000010000000-0x000000001004D000-memory.dmp

                          memory/3272-52-0x0000000010000000-0x000000001004D000-memory.dmp

                          memory/3608-34-0x0000000000400000-0x0000000000450000-memory.dmp

                          memory/3608-64-0x0000000000400000-0x0000000000450000-memory.dmp

                          memory/3608-21-0x0000000000400000-0x0000000000450000-memory.dmp

                          memory/3608-24-0x0000000000400000-0x0000000000450000-memory.dmp

                          memory/3608-22-0x0000000000400000-0x0000000000450000-memory.dmp

                          memory/3608-19-0x0000000000400000-0x0000000000450000-memory.dmp

                          memory/3708-98-0x0000000002A80000-0x0000000002A8E000-memory.dmp

                          memory/3708-104-0x0000000000400000-0x00000000004B1000-memory.dmp

                          memory/3708-103-0x0000000002A80000-0x0000000002A8E000-memory.dmp

                          memory/3708-77-0x0000000000400000-0x00000000004B1000-memory.dmp

                          memory/3972-149-0x0000000000400000-0x0000000000450000-memory.dmp

                          memory/3972-81-0x0000000000400000-0x0000000000450000-memory.dmp

                          memory/3972-152-0x0000000000400000-0x0000000000450000-memory.dmp

                          memory/3972-78-0x0000000000400000-0x0000000000450000-memory.dmp

                          memory/3972-76-0x0000000000400000-0x0000000000450000-memory.dmp

                          memory/3972-145-0x0000000000400000-0x0000000000450000-memory.dmp

                          memory/3972-75-0x0000000000400000-0x0000000000450000-memory.dmp

                          memory/3972-146-0x0000000000400000-0x0000000000450000-memory.dmp

                          memory/3972-144-0x00000000033E0000-0x00000000033EE000-memory.dmp

                          memory/3972-143-0x00000000004B0000-0x00000000004B8000-memory.dmp

                          memory/3972-155-0x0000000000400000-0x0000000000450000-memory.dmp

                          memory/3972-91-0x00000000033E0000-0x00000000033EE000-memory.dmp

                          memory/3972-142-0x0000000000400000-0x0000000000450000-memory.dmp

                          memory/4564-116-0x0000000000440000-0x000000000044E000-memory.dmp

                          memory/4564-117-0x0000000000400000-0x0000000000414000-memory.dmp

                          memory/4564-107-0x0000000000440000-0x000000000044E000-memory.dmp

                          memory/4564-100-0x0000000000400000-0x0000000000414000-memory.dmp

                          memory/4564-101-0x0000000000400000-0x0000000000414000-memory.dmp

                          memory/4900-23-0x0000000000400000-0x00000000004B1000-memory.dmp

                          memory/4900-33-0x0000000000400000-0x00000000004B1000-memory.dmp