Extracted

• • Target

    4a510760b3a91e79e03f1ab8e08241f3_JaffaCakes118

  • Size

    815KB

  • MD5

    4a510760b3a91e79e03f1ab8e08241f3

  • SHA1

    69b47067648844910f28869ccf29a2614dde0f35

  • SHA256

    5769bc6ab4c2807a8598c7be0688b179ca35c5669c6515aaebbc24e1645401fb

  • SHA512

    e97be1b589a5356f18d9cd4181b2fd111790c801ac0f93c5b30bfb6a284bfbcdb195e849d2eb169767e45898cb3858ce7502082dee269ea476fff52de20c2ef0

  • SSDEEP

    12288:vR6b7MP+Dd2GRdJtBQffYUk5/iC+5XT2hZuKnkToadOwQah1t2c/EChutll:vw7MP+h2GRrOp26C+5D2GHEadDv1hutn

  Score

  10^/10

  darkcomettargetsbootkitevasionpersistencerattrojan

  • Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

    trojanratdarkcomet

  • Modifies WinLogon for persistence

    persistence

  • Sets file to hidden

    Modifies file attributes to stop it showing in Explorer etc.

    evasion

  • Checks computer location settings

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

  • Deletes itself

  • Executes dropped EXE

  • Loads dropped DLL

  • Adds Run key to start application

    persistence

  • Writes to the Master Boot Record (MBR)

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence

  • Drops file in System32 directory

  • Suspicious use of SetThreadContext

  behavioral1behavioral2