General

  • Target
    a39833da93f211ce6814d9d1e48d107b_JaffaCakes118
  • Size 8.6MB
  • Sample240613-dc4tfssamb
  • SHA256 aafa6a4f711b3db0eec7c854908102fef395d50188a8a8c36efc188b3d8a5329
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      zmxy3hmnxgq/data/program1.dat
    • Size 6.5MB
    • SHA256 115a01f25a5f3dc6fc77a2c28237edca910bd5446b760d345c2cf0846f87954e
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      zmxy3hmnxgq/data/program2.dat
    • Size 827KB
    • SHA256 71f46644a7e33b7e0eec8cbe994e0b3969fee1da331ee72a30880782affc65b8
    • MD5 SHA1 SHA512 SSDEEP
    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Writes to the Master Boot Record (MBR)

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

    • Target
      $PLUGINSDIR/FindProcDLL.dll
    • Size 3KB
    • SHA256 0fa04f06a6de18d316832086891e9c23ae606d7784d5d5676385839b21ca2758
    • MD5 SHA1 SHA512
    Score
    3/10
    • Target
      $PLUGINSDIR/InstallOptions.dll
    • Size 14KB
    • SHA256 c9cd5c9609e70005926ae5171726a4142ffbcccc771d307efcd195dafc1e6b4b
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      $PLUGINSDIR/KillProcDLL.dll
    • Size 4KB
    • SHA256 c2689ba1f66066afce85ca6457ecd36370be0fe351c58422e45efd0948655c93
    • MD5 SHA1 SHA512
    Score
    3/10
    • Target
      $PLUGINSDIR/System.dll
    • Size 11KB
    • SHA256 dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      uninst.exe
    • Size 290KB
    • SHA256 f28aaf83e0f1e0f1eb4f5839f3041570d708bd25092a80a8825331415572c542
    • MD5 SHA1 SHA512 SSDEEP
    Score
    7/10
    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Writes to the Master Boot Record (MBR)

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

    • Target
      $PLUGINSDIR/FindProcDLL.dll
    • Size 3KB
    • SHA256 0fa04f06a6de18d316832086891e9c23ae606d7784d5d5676385839b21ca2758
    • MD5 SHA1 SHA512
    Score
    3/10
    • Target
      $PLUGINSDIR/KillProcDLL.dll
    • Size 4KB
    • SHA256 c2689ba1f66066afce85ca6457ecd36370be0fe351c58422e45efd0948655c93
    • MD5 SHA1 SHA512
    Score
    3/10
    • Target
      $PLUGINSDIR/System.dll
    • Size 11KB
    • SHA256 dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      $PLUGINSDIR/inetc.dll
    • Size 20KB
    • SHA256 5552bdde7e4113393f683ef501e4cc84dccc071bdc51391ea7fa3e7c1d49e4e8
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      $PLUGINSDIR/nsDialogs.dll
    • Size 9KB
    • SHA256 e31ad6c6e82e603378cb6b80e67d0e0dcd9cf384e1199ac5a65cb4935680021a
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      wlyx906530.exe
    • Size 1.0MB
    • SHA256 37f89cce104b6a196ec110439b2d48f80f5c1eb93660dd0d77efda52f1aa3314
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      zmxy3hmnxgq/data/program3.dat
    • Size 3.5MB
    • SHA256 b87517e909b90003939998bf48455ad2efead454ca6f5e162b2a6655dc20ea7a
    • MD5 SHA1 SHA512 SSDEEP
    Score
    7/10
    • Executes dropped EXE

    • Loads dropped DLL

    • Target
      zmxy3hmnxgq/data/program4.dat
    • Size 1.7MB
    • SHA256 9bd87d287d4d46d199e16a42790f3520c1b2976eb4d3617fdf2f97370b14557b
    • MD5 SHA1 SHA512 SSDEEP
    Score
    7/10
    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Loads dropped DLL

    • UPX packed file

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

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Target
      $PLUGINSDIR/FindProcDLL.dll
    • Size 3KB
    • SHA256 0fa04f06a6de18d316832086891e9c23ae606d7784d5d5676385839b21ca2758
    • MD5 SHA1 SHA512
    Score
    3/10

MITRE ATT&CK Enterprise v15

Tasks

static1

upx
Score
7/10

behavioral1

Score
3/10

behavioral2

Score
3/10

behavioral3

bootkitdiscoverypersistence
Score
7/10

behavioral4

bootkitdiscoverypersistence
Score
7/10

behavioral5

Score
3/10

behavioral6

Score
3/10

behavioral7

Score
3/10

behavioral8

Score
3/10

behavioral9

Score
3/10

behavioral10

Score
3/10

behavioral11

Score
3/10

behavioral12

Score
3/10

behavioral13

bootkitpersistence
Score
7/10

behavioral14

bootkitpersistence
Score
7/10

behavioral15

Score
3/10

behavioral16

Score
3/10

behavioral17

Score
3/10

behavioral18

Score
3/10

behavioral19

Score
3/10

behavioral20

Score
3/10

behavioral21

Score
3/10

behavioral22

Score
3/10

behavioral23

Score
3/10

behavioral24

Score
3/10

behavioral25

Score
1/10

behavioral26

Score
1/10

behavioral27

Score
7/10

behavioral28

Score
7/10

behavioral29

discoveryupx
Score
7/10

behavioral30

Score
7/10

behavioral31

Score
3/10

behavioral32

Score
3/10