Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    21-09-2024 14:30

General

  • Target

    efff2fe18024a3094929186dca954315_JaffaCakes118.exe

  • Size

    1.2MB

  • MD5

    efff2fe18024a3094929186dca954315

  • SHA1

    2ba5cea58730f11b9b7d3fb582db68dbc8d16ca4

  • SHA256

    7dd9bd66025b79a1392b928ff5e2b3a62335465ebeabcf72e426f5490bd207d1

  • SHA512

    0d1f99669047d6fa6e6614928ee467708a224bc1dc947982d356d007bb1ba24a65de832b6a0ef1b24b0dbc5c5e02a169bd4e8bd3bc3ee4366979ff0c1fe3f872

  • SSDEEP

    24576:LqyeHypU4RJK007QGTojfj7XuHtXJ9pcvyZSQYBWt:nIypK7JTkLa

Malware Config

Extracted

Family

xtremerat

C2

nerozhack.ddns.com.br

€p ƒalonedevil.no-ip.org

gameszero.dyndns.org

Signatures

  • Detect XtremeRAT payload 2 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 12 IoCs
  • Executes dropped EXE 9 IoCs
  • UPX packed file 23 IoCs

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

  • Adds Run key to start application 2 TTPs 6 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • AutoIT Executable 5 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 3 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).

  • System Location Discovery: System Language Discovery 1 TTPs 14 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: SetClipboardViewer 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\efff2fe18024a3094929186dca954315_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\efff2fe18024a3094929186dca954315_JaffaCakes118.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2248
    • C:\Users\Admin\AppData\Local\Temp\efff2fe18024a3094929186dca954315_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\efff2fe18024a3094929186dca954315_JaffaCakes118.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1652
      • C:\Users\Admin\AppData\Local\Temp\efff2fe18024a3094929186dca954315_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\efff2fe18024a3094929186dca954315_JaffaCakes118.exe"
        3⤵
        • Checks whether UAC is enabled
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2084
        • C:\Windows\mstwain32.exe
          "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\efff2fe18024a3094929186dca954315_JaffaCakes118.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:876
          • C:\Windows\mstwain32.exe
            "C:\Windows\mstwain32.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            PID:2852
            • C:\Windows\mstwain32.exe
              "C:\Windows\mstwain32.exe"
              6⤵
              • UAC bypass
              • Executes dropped EXE
              • Adds Run key to start application
              • Checks whether UAC is enabled
              • Drops file in Windows directory
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: SetClipboardViewer
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              • System policy modification
              PID:2276
          • C:\Windows\RSOP.exe
            C:\Windows\RSOP.exe
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:320
            • C:\Windows\RSOP.exe
              "C:\Windows\RSOP.exe"
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Drops file in Windows directory
              • System Location Discovery: System Language Discovery
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              PID:2976
              • C:\Windows\RSOP.exe
                "C:\Windows\RSOP.exe"
                7⤵
                • Executes dropped EXE
                • System Location Discovery: System Language Discovery
                • Suspicious use of AdjustPrivilegeToken
                PID:1852
    • C:\Windows\RSOP.exe
      C:\Windows\RSOP.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:400
      • C:\Windows\RSOP.exe
        "C:\Windows\RSOP.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2644
        • C:\Windows\RSOP.exe
          "C:\Windows\RSOP.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1180
          • C:\Windows\SysWOW64\svchost.exe
            svchost.exe
            5⤵
            • Adds Run key to start application
            • System Location Discovery: System Language Discovery
            PID:2516
          • C:\WINDOWS\SysWOW64\taskmgr.exe
            C:\WINDOWS\system32\taskmgr.exe
            5⤵
            • Adds Run key to start application
            • Drops file in System32 directory
            • System Location Discovery: System Language Discovery
            • Suspicious use of SetWindowsHookEx
            PID:1908
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3004

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\oamixao

    Filesize

    9KB

    MD5

    1cae2b547a78ece24949e7abc5ce0832

    SHA1

    54c4b7d4973c22818f87f8a5c5c145e408c65095

    SHA256

    b4efccf8457046aaf4c5b272addd3299003f41ef19bad993ee2be0554a2922ce

    SHA512

    786a678a513f09528335b48fc9e87c0c0e12f795090bb76f27a74fed522bcb0bf842c2b649e1bc19d2b22dbbf76a83a5d0df8e70db242e258de97758ebdc56d8

  • C:\Windows\RSOP.exe

    Filesize

    300KB

    MD5

    a87e455284d5aaf624c6c419fa7f9bed

    SHA1

    dd7335f04ef50375b124106cc599d4def55f40ac

    SHA256

    3cdc6602fee91dc53c16573cf2f53dbcec491d53a0795312290a804a247a81a3

    SHA512

    000fbf010fdcc5d47be1500372d8ca4d2fe399a4c0e1a9299da5e42fa0fae77711f38be13bab1264e8dd78f321ac79fefdcea52953749756f8d33c225842ae32

  • C:\Windows\cmsetac.dll

    Filesize

    33KB

    MD5

    a1efb85344da33edeceb6e7db669f289

    SHA1

    c1af0dc6dd034017a7687674d1162645789809ac

    SHA256

    4c78a6a35e38fbd6f0f7252fb6caef183174ce77e79bfe98b6f15aadde073c89

    SHA512

    5887488bdcca58cfefacf315e8f70c77ca3f34eeaf5308a55c069c7d71cfc7e1e88700733f83db90d9f204ff6be45a84e24e813cb9f7bf6566b926a783df31d9

  • C:\Windows\mstwain32.exe

    Filesize

    1.2MB

    MD5

    efff2fe18024a3094929186dca954315

    SHA1

    2ba5cea58730f11b9b7d3fb582db68dbc8d16ca4

    SHA256

    7dd9bd66025b79a1392b928ff5e2b3a62335465ebeabcf72e426f5490bd207d1

    SHA512

    0d1f99669047d6fa6e6614928ee467708a224bc1dc947982d356d007bb1ba24a65de832b6a0ef1b24b0dbc5c5e02a169bd4e8bd3bc3ee4366979ff0c1fe3f872

  • memory/320-184-0x0000000000400000-0x00000000004B1000-memory.dmp

    Filesize

    708KB

  • memory/320-124-0x0000000000400000-0x00000000004B1000-memory.dmp

    Filesize

    708KB

  • memory/400-69-0x0000000003920000-0x00000000039D1000-memory.dmp

    Filesize

    708KB

  • memory/400-82-0x0000000000400000-0x00000000004B1000-memory.dmp

    Filesize

    708KB

  • memory/400-21-0x0000000000400000-0x00000000004B1000-memory.dmp

    Filesize

    708KB

  • memory/876-122-0x0000000003F60000-0x0000000004011000-memory.dmp

    Filesize

    708KB

  • memory/876-160-0x0000000000400000-0x00000000004B1000-memory.dmp

    Filesize

    708KB

  • memory/1180-89-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/1180-92-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/1180-91-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/1652-29-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/1652-35-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/1652-23-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/1652-27-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/1652-25-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/1652-38-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/1652-64-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/1652-37-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/1652-39-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/1652-31-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/1652-33-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/2084-70-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2084-59-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2084-65-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2084-56-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2084-53-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2084-50-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2084-47-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2084-44-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2084-42-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2084-40-0x0000000000400000-0x000000000044B000-memory.dmp

    Filesize

    300KB

  • memory/2084-60-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

    Filesize

    4KB

  • memory/2248-22-0x0000000003F40000-0x0000000003FF1000-memory.dmp

    Filesize

    708KB

  • memory/2248-67-0x0000000000400000-0x00000000004B1000-memory.dmp

    Filesize

    708KB

  • memory/2248-0-0x0000000000400000-0x00000000004B1000-memory.dmp

    Filesize

    708KB

  • memory/2248-20-0x0000000003F40000-0x0000000003FF1000-memory.dmp

    Filesize

    708KB

  • memory/2516-97-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2516-95-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2644-86-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2644-83-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2644-79-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2644-71-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2644-84-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2644-75-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2644-94-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2644-73-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2976-191-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB