Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-11-2024 10:34

General

  • Target

    8b07695975848cbdc526e41c8d564303_JaffaCakes118.exe

  • Size

    131KB

  • MD5

    8b07695975848cbdc526e41c8d564303

  • SHA1

    2870532e3c990e1987b16cb80fd40bd6f7a2c26a

  • SHA256

    09b875065bb18d87917e98c52b9ec02e2ee591e6fcd53a8d702e3fa1260cb5e9

  • SHA512

    29c2499a282bbd31e6d5a93165e175dfdd77d06e8b314e9cfd69bbd53b58683754cdbcee84e7eeb7151ce2e05d0e6364086c6e9e38954e7fadcec36faafa2371

  • SSDEEP

    3072:wHxgBm5JCGF1JD7MGLPm2YqT22n4yZhloBUdxkp+CEOfgA:gxF5JCuJ0om2NIyHqm3Ez/

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • Modifies security service 2 TTPs 4 IoCs
  • Modiloader family
  • UAC bypass 3 TTPs 1 IoCs
  • ModiLoader Second Stage 24 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • Network Share Discovery 1 TTPs

    Attempt to gather information on host network.

  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 29 IoCs

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

  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 12 IoCs

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

  • Runs net.exe
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 43 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\8b07695975848cbdc526e41c8d564303_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8b07695975848cbdc526e41c8d564303_JaffaCakes118.exe"
    1⤵
    • Modifies security service
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4868
    • C:\Windows\SysWOW64\net.exe
      "C:\Windows\System32\net.exe" stop wscsvc
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1644
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop wscsvc
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2028
    • C:\Windows\SysWOW64\net.exe
      "C:\Windows\System32\net.exe" stop SharedAccess
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4504
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop SharedAccess
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1244
    • C:\Users\Admin\AppData\Local\Temp\8b07695975848cbdc526e41c8d564303_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\8b07695975848cbdc526e41c8d564303_JaffaCakes118.exe"
      2⤵
      • Checks computer location settings
      • 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:5016
      • C:\Windows\mstwain32.exe
        "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\8b07695975848cbdc526e41c8d564303_JaffaCakes118.exe"
        3⤵
        • Modifies security service
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4968
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\System32\net.exe" stop wscsvc
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3788
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop wscsvc
            5⤵
            • System Location Discovery: System Language Discovery
            PID:2924
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\System32\net.exe" stop SharedAccess
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:400
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop SharedAccess
            5⤵
            • System Location Discovery: System Language Discovery
            PID:2768
        • 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
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • System policy modification
          PID:1880
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4976

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\cmsetac.dll

    Filesize

    33KB

    MD5

    50e7ddc856e7c99231d398a4d93b927f

    SHA1

    7d60c39a19c6baa6d040affba835f45ef6c2a72c

    SHA256

    4889b1081d71ce6810d27cfa0a2563a9436b3ce64740e7c30dfd40d56584e239

    SHA512

    8375d21b6e2b21ed644135ce8a79739da28dbe05adf685e4cd0a7a0dffa735dca6cad18016f6ecbd9b07f699f7d36cb86e35724b70a0b4dda44479ef33bd20bc

  • C:\Windows\mstwain32.exe

    Filesize

    131KB

    MD5

    8b07695975848cbdc526e41c8d564303

    SHA1

    2870532e3c990e1987b16cb80fd40bd6f7a2c26a

    SHA256

    09b875065bb18d87917e98c52b9ec02e2ee591e6fcd53a8d702e3fa1260cb5e9

    SHA512

    29c2499a282bbd31e6d5a93165e175dfdd77d06e8b314e9cfd69bbd53b58683754cdbcee84e7eeb7151ce2e05d0e6364086c6e9e38954e7fadcec36faafa2371

  • C:\Windows\ntdtcstp.dll

    Filesize

    7KB

    MD5

    67587e25a971a141628d7f07bd40ffa0

    SHA1

    76fcd014539a3bb247cc0b761225f68bd6055f6b

    SHA256

    e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

    SHA512

    6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

  • memory/1880-45-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/1880-79-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/1880-28-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/1880-58-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/1880-33-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/1880-76-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/1880-73-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/1880-70-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/1880-32-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/1880-31-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/1880-30-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/1880-55-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/1880-82-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/1880-85-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/1880-43-0x0000000002270000-0x000000000227E000-memory.dmp

    Filesize

    56KB

  • memory/1880-67-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/1880-64-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/1880-61-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/1880-48-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/1880-47-0x0000000002270000-0x000000000227E000-memory.dmp

    Filesize

    56KB

  • memory/1880-46-0x00000000005E0000-0x00000000005E8000-memory.dmp

    Filesize

    32KB

  • memory/1880-49-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/1880-52-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/4868-5-0x0000000000400000-0x0000000000427244-memory.dmp

    Filesize

    156KB

  • memory/4968-29-0x0000000000400000-0x0000000000427244-memory.dmp

    Filesize

    156KB

  • memory/5016-20-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/5016-6-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/5016-9-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/5016-8-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/5016-2-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/5016-10-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/5016-0-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/5016-7-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/5016-1-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB