General

  • Target
    7b11be2b7d46c6636f3586efd0357816_JaffaCakes118
  • Size 22.7MB
  • Sample240528-appnhsgf72
  • SHA256 6dc3e8f3e9d416228fc641e19080298813d2a8fcd2840e6b13282f754b79f5da
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      7b11be2b7d46c6636f3586efd0357816_JaffaCakes118
    • Size 22.7MB
    • SHA256 6dc3e8f3e9d416228fc641e19080298813d2a8fcd2840e6b13282f754b79f5da
    • MD5 SHA1 SHA512 SSDEEP
    Score
    7/10
    • Loads dropped DLL

    • Target
      $PLUGINSDIR/InstallOptions.dll
    • Size 15KB
    • SHA256 fa8de036b1d9bb06be383a82041966c73473fc8382d041fb5c1758f991afeae7
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      $PLUGINSDIR/LangDLL.dll
    • Size 5KB
    • SHA256 b15b1fc88d1b56088b2d3738d76772a91fa186a316a3e0a154358820d0fb9005
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      $PLUGINSDIR/nsProcess.dll
    • Size 4KB
    • SHA256 30c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      7z.dll
    • Size 925KB
    • SHA256 ea50f78c5b059d910a5f7cbd9ff8270006a75c218ea49d31e499984f0ff24a34
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      Addin/npTongbuAddin.dll
    • Size 64KB
    • SHA256 ddb0b302d6fb1291b8d6fc72163f9f3b1ef33fa1768a38e86859747318a67fd9
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      Addin/tbIEAddin.dll
    • Size 72KB
    • SHA256 7f87f707d9caa79960e7d1ba3cde821a54168f16733f1b0ea45d08980ffc1f1f
    • MD5 SHA1 SHA512 SSDEEP
    Score
    6/10
    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Target
      AppUnion.dll
    • Size 11.2MB
    • SHA256 7887d29cb9ddd14c46c43329dd56946bcad5d2c8d0998bb63df44b2a4f85bc87
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      Biz.dll
    • Size 12B
    • SHA256 193ddee0d7da03b66f440df5dee6efc0d630c378ad5121980141785b5b28ca3b
    • MD5 SHA1 SHA512
    Score
    1/10
    • Target
      Codes/ffmpeg.exe
    • Size 2.8MB
    • SHA256 7c5edec7615a71bdd22b6a6add273e910bc7364cb266e7cfd2d5a753216218e0
    • MD5 SHA1 SHA512 SSDEEP
    Score
    7/10
    • UPX packed file

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

    • Target
      Feedback.exe
    • Size 93KB
    • SHA256 098fab95cb882645ecfe1ebae770c0909072d38f97ad2b6850dfeebb7d4cfb3d
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      Hash72.dll
    • Size 387KB
    • SHA256 fff0098e9976a2a26a49a54cb133ae6acd29f98660314af9190d9edc6917acc0
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      Helper.exe
    • Size 185KB
    • SHA256 34cb735fe65d0b6e00886ee9cd73b86562dd1bf3c25d5147fe17035cdb9c0875
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      History.rtf
    • Size 42KB
    • SHA256 ce04438ea65a55b1beefd801f19b81cea9fe44f933ac8a3ec06c00657e695bae
    • MD5 SHA1 SHA512 SSDEEP
    Score
    4/10
    • Target
      ICSharpCode.SharpZipLib.dll
    • Size 196KB
    • SHA256 5f3275a619a224ff5e867039b30a147291db8d0508f72e8a24b674273062cff6
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      Launcher.exe
    • Size 80KB
    • SHA256 fbe0dfcd053290c88edb9404ef78a8c890a6cfea499c5e596e22c492478a1228
    • MD5 SHA1 SHA512 SSDEEP
    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

    • Adds Run key to start application

    • Blocklisted process makes network request

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

MITRE ATT&CK Enterprise v15

Tasks

static1

upx
Score
7/10

behavioral1

Score
7/10

behavioral2

Score
7/10

behavioral3

Score
3/10

behavioral4

Score
3/10

behavioral5

Score
3/10

behavioral6

Score
3/10

behavioral7

Score
3/10

behavioral8

Score
3/10

behavioral9

Score
1/10

behavioral10

Score
1/10

behavioral11

Score
1/10

behavioral12

Score
1/10

behavioral13

Score
1/10

behavioral14

adwarestealer
Score
6/10

behavioral15

Score
1/10

behavioral16

Score
1/10

behavioral17

Score
1/10

behavioral18

Score
1/10

behavioral19

upx
Score
7/10

behavioral20

upx
Score
7/10

behavioral21

Score
1/10

behavioral22

Score
1/10

behavioral23

Score
1/10

behavioral24

Score
3/10

behavioral25

Score
1/10

behavioral26

Score
1/10

behavioral27

Score
4/10

behavioral28

Score
1/10

behavioral29

Score
1/10

behavioral30

Score
1/10

behavioral31

persistenceupx
Score
8/10

behavioral32

adwarepersistencestealerupx
Score
8/10