Analysis

  • max time kernel
    149s
  • max time network
    145s
  • 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 05:01

General

  • Target

    89c0a8bb32679c8feeb6353475cbd615_JaffaCakes118.exe

  • Size

    620KB

  • MD5

    89c0a8bb32679c8feeb6353475cbd615

  • SHA1

    b425b8463c0f5ea76661862ffbb55e7586183fb8

  • SHA256

    21b1e1c9f58cfc39fc254a249fe35726a75fc3a19a0d1be20efd60497217ed5b

  • SHA512

    7eda05aee0549863a4c36b3a86621abe81894c986e56bff7e584a8aca3ef5d94e3fb14cde3427006633dd8329e51f6e5e9989a8401cd39baaddfe7c8cc65465e

  • SSDEEP

    12288:TdHdXzA3eCOzLiW84M3A36Xfr79yMyarb0GbzRDiEH:TdHhAxyMIUfPZyob0GhDP

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • Modiloader family
  • UAC bypass 3 TTPs 1 IoCs
  • ModiLoader Second Stage 22 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Identifies Wine through registry keys 2 TTPs 2 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Loads dropped DLL 4 IoCs
  • Themida packer 23 IoCs

    Detects Themida, an advanced Windows software protection system.

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

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

  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 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\89c0a8bb32679c8feeb6353475cbd615_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\89c0a8bb32679c8feeb6353475cbd615_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Identifies Wine through registry keys
    • 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:440
    • C:\Windows\msnmsgr.exe
      "C:\Windows\msnmsgr.exe" \melt "C:\Users\Admin\AppData\Local\Temp\89c0a8bb32679c8feeb6353475cbd615_JaffaCakes118.exe"
      2⤵
      • UAC bypass
      • Deletes itself
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • 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:4968
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4432

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\cmsetac.dll

    Filesize

    33KB

    MD5

    2e7b8967142df3aeebdc3f84739a7365

    SHA1

    18c7ea7aa3abd38b456b66d4cd61068046cfb51a

    SHA256

    39c706d68ff5f73f27dd711a824d9c0b8e4e551ddb13057e6a20cd61bc64f68f

    SHA512

    2a5da47e93a9b529da46929320e9842013ec5e19961b3566bf9d1ec94abc30d71e77cae44e1349366a35e28c7504cd46c4173aab5772b18ef20d15d515f655ca

  • C:\Windows\msnmsgr.exe

    Filesize

    620KB

    MD5

    89c0a8bb32679c8feeb6353475cbd615

    SHA1

    b425b8463c0f5ea76661862ffbb55e7586183fb8

    SHA256

    21b1e1c9f58cfc39fc254a249fe35726a75fc3a19a0d1be20efd60497217ed5b

    SHA512

    7eda05aee0549863a4c36b3a86621abe81894c986e56bff7e584a8aca3ef5d94e3fb14cde3427006633dd8329e51f6e5e9989a8401cd39baaddfe7c8cc65465e

  • C:\Windows\ntdtcstp.dll

    Filesize

    7KB

    MD5

    67587e25a971a141628d7f07bd40ffa0

    SHA1

    76fcd014539a3bb247cc0b761225f68bd6055f6b

    SHA256

    e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

    SHA512

    6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

  • memory/440-1-0x0000000000401000-0x000000000041C000-memory.dmp

    Filesize

    108KB

  • memory/440-11-0x0000000000400000-0x000000000056A000-memory.dmp

    Filesize

    1.4MB

  • memory/440-0-0x0000000000400000-0x000000000056A000-memory.dmp

    Filesize

    1.4MB

  • memory/4968-34-0x0000000000400000-0x000000000056A000-memory.dmp

    Filesize

    1.4MB

  • memory/4968-38-0x0000000000400000-0x000000000056A000-memory.dmp

    Filesize

    1.4MB

  • memory/4968-25-0x00000000053D0000-0x00000000053DE000-memory.dmp

    Filesize

    56KB

  • memory/4968-28-0x0000000000400000-0x000000000056A000-memory.dmp

    Filesize

    1.4MB

  • memory/4968-29-0x0000000000400000-0x000000000056A000-memory.dmp

    Filesize

    1.4MB

  • memory/4968-30-0x0000000000400000-0x000000000056A000-memory.dmp

    Filesize

    1.4MB

  • memory/4968-31-0x0000000000400000-0x000000000056A000-memory.dmp

    Filesize

    1.4MB

  • memory/4968-33-0x00000000053D0000-0x00000000053DE000-memory.dmp

    Filesize

    56KB

  • memory/4968-13-0x0000000000400000-0x000000000056A000-memory.dmp

    Filesize

    1.4MB

  • memory/4968-32-0x0000000004780000-0x0000000004788000-memory.dmp

    Filesize

    32KB

  • memory/4968-35-0x0000000000400000-0x000000000056A000-memory.dmp

    Filesize

    1.4MB

  • memory/4968-21-0x0000000000400000-0x000000000056A000-memory.dmp

    Filesize

    1.4MB

  • memory/4968-41-0x0000000000400000-0x000000000056A000-memory.dmp

    Filesize

    1.4MB

  • memory/4968-44-0x0000000000400000-0x000000000056A000-memory.dmp

    Filesize

    1.4MB

  • memory/4968-47-0x0000000000400000-0x000000000056A000-memory.dmp

    Filesize

    1.4MB

  • memory/4968-50-0x0000000000400000-0x000000000056A000-memory.dmp

    Filesize

    1.4MB

  • memory/4968-53-0x0000000000400000-0x000000000056A000-memory.dmp

    Filesize

    1.4MB

  • memory/4968-56-0x0000000000400000-0x000000000056A000-memory.dmp

    Filesize

    1.4MB

  • memory/4968-59-0x0000000000400000-0x000000000056A000-memory.dmp

    Filesize

    1.4MB

  • memory/4968-62-0x0000000000400000-0x000000000056A000-memory.dmp

    Filesize

    1.4MB

  • memory/4968-65-0x0000000000400000-0x000000000056A000-memory.dmp

    Filesize

    1.4MB

  • memory/4968-68-0x0000000000400000-0x000000000056A000-memory.dmp

    Filesize

    1.4MB

  • memory/4968-71-0x0000000000400000-0x000000000056A000-memory.dmp

    Filesize

    1.4MB