Overview

overview

10

Static

static

3

JaffaCakes...7c.exe

windows7-x64

10

JaffaCakes...7c.exe

windows10-2004-x64

10

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General

  • Target

    JaffaCakes118_b0464a68d3df95ccb9023830b6a2037c

  • Size

    1.9MB

  • Sample

    250108-2fpqpsyndm

  • MD5

    b0464a68d3df95ccb9023830b6a2037c

  • SHA1

    96a229ed8d9b3d26086fa10c9675203b4f5f4626

  • SHA256

    11271bb4ead40385c854e9a19eef0d64578639066195361a5e4818d172f5bbfb

  • SHA512

    02a80deec6b8089da6102c9763f39bb6d3d0bbee340a44f04f13226e4d8c69ae699076f7ef6eeeeb9e705bc1b7fe8c02399682ef52754ecfec09f4799345179f

  • SSDEEP

    49152:HN54VMGOhLmPkO4koPyVu5eAEfgPwNqsruC:v0vEf8u5eAmFJ

Score
10/10
dcratdiscoveryevasioninfostealerpersistencerat

Malware Config

Targets

    • Target

      JaffaCakes118_b0464a68d3df95ccb9023830b6a2037c

    • Size

      1.9MB

    • MD5

      b0464a68d3df95ccb9023830b6a2037c

    • SHA1

      96a229ed8d9b3d26086fa10c9675203b4f5f4626

    • SHA256

      11271bb4ead40385c854e9a19eef0d64578639066195361a5e4818d172f5bbfb

    • SHA512

      02a80deec6b8089da6102c9763f39bb6d3d0bbee340a44f04f13226e4d8c69ae699076f7ef6eeeeb9e705bc1b7fe8c02399682ef52754ecfec09f4799345179f

    • SSDEEP

      49152:HN54VMGOhLmPkO4koPyVu5eAEfgPwNqsruC:v0vEf8u5eAmFJ

    Score
    10/10
    dcratdiscoveryevasioninfostealerpersistencerat

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

      ratinfostealerdcrat

    • Dcrat family

      dcrat

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

      rat

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

      evasion

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Identifies Wine through registry keys

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

      evasion

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks