Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    24-05-2024 17:32

General

  • Target

    6f4ace3209e5b9fb06f752edb4d1d486_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    6f4ace3209e5b9fb06f752edb4d1d486

  • SHA1

    cba0c3e04ad15dd54e84b101e9582468fe05a7d2

  • SHA256

    b5dd5cea1ecc0a405ae86cfed890549b8a1a0f42bd30134bce119bac1744f964

  • SHA512

    197f5efeabae9eeabe7b2212947890a987c157e76959b2b728c000de1384ce6b5cc2e3dd631f1a3370a343857f367cbdbe938bdee36a455a475f1095c5e37d18

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6e:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5/

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 5 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Windows security modification 2 TTPs 6 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

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

  • Modifies WinLogon 2 TTPs 2 IoCs
  • AutoIT Executable 7 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 14 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 18 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6f4ace3209e5b9fb06f752edb4d1d486_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6f4ace3209e5b9fb06f752edb4d1d486_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1832
    • C:\Windows\SysWOW64\jvwpqqjimy.exe
      jvwpqqjimy.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Loads dropped DLL
      • Windows security modification
      • Enumerates connected drives
      • Modifies WinLogon
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2616
      • C:\Windows\SysWOW64\bfdtmxnc.exe
        C:\Windows\system32\bfdtmxnc.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2656
    • C:\Windows\SysWOW64\dukgiyfnzublovd.exe
      dukgiyfnzublovd.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2724
    • C:\Windows\SysWOW64\bfdtmxnc.exe
      bfdtmxnc.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2712
    • C:\Windows\SysWOW64\mqasnhweulxzc.exe
      mqasnhweulxzc.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2468
    • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Windows\mydoc.rtf"
      2⤵
      • Drops file in Windows directory
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2524
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:676

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Persistence

    Boot or Logon Autostart Execution

    2
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Winlogon Helper DLL

    1
    T1547.004

    Privilege Escalation

    Boot or Logon Autostart Execution

    2
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Winlogon Helper DLL

    1
    T1547.004

    Defense Evasion

    Hide Artifacts

    2
    T1564

    Hidden Files and Directories

    2
    T1564.001

    Modify Registry

    7
    T1112

    Impair Defenses

    2
    T1562

    Disable or Modify Tools

    2
    T1562.001

    Credential Access

    Unsecured Credentials

    1
    T1552

    Credentials In Files

    1
    T1552.001

    Discovery

    Query Registry

    1
    T1012

    Peripheral Device Discovery

    1
    T1120

    System Information Discovery

    2
    T1082

    Collection

    Data from Local System

    1
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLN.DOC.exe
      Filesize

      512KB

      MD5

      c80d60b61b8925ec5196dfa72af637f0

      SHA1

      2fa3c52521b12f798f85f1f1f25c41c13827b0d2

      SHA256

      db8962d313b4722e508e2072289b6f510f48751d82c5599ee49e709d52d8790d

      SHA512

      8eecb46089abeeae56fd3ba5258b5deaebc6633534fb4b14149416908dfbc273b58adaa5c3a4f98b5e71aed7ce381a26cee006cf74ec1874f82964c902652bf0

    • C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLV.DOC.exe
      Filesize

      512KB

      MD5

      9122f887fdee5ead166dac86a5ecd8bf

      SHA1

      cdaa0416a4bbad03dd12f8193a1d8db8a6c47fd8

      SHA256

      211b2ec0b068db8a0bd2592cf0ad1aa31bb5b8dd85741f26ebdc0ae58db74999

      SHA512

      b969e54387a8e7999f8800713dc095388b89005d9b899ed283a4350e0348695bd35bfd760084d4f200654f26f4006a4cdf949f575946fea3ca369982b3a56496

    • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm
      Filesize

      20KB

      MD5

      43040a655f5d7d781a65f2879ecb7de7

      SHA1

      aa09109d9ced30fd6ea7eff42a3cc1f4a3f5f25b

      SHA256

      1628ab6ffe70de178a9a2df2beb4cc09656d08ae980b5664f4bfed6b92f98915

      SHA512

      e8e3d2dcc64a86ddbaea76de41f4dbace25020d503c9fb55710f0cbff3ec595180dff45abcd5d444d2b433441944bbe0fd5ada4ce8193fdf45384b69aae59304

    • C:\Windows\SysWOW64\bfdtmxnc.exe
      Filesize

      512KB

      MD5

      79b2aecccd9ba9313e9562093cca5d79

      SHA1

      4209fcf007eec2182613ce9ab86aa7e17b93d956

      SHA256

      1c1c1e06515424d6096fd33bc3e856a2eac46724e61813f076e69836f64c9031

      SHA512

      f7767a7061ca8375d674d925b16bb1d842e28bc4d3c8b307663c7711f0153af138c94e858398e0223635677731c0144e0cabba5f23e34b9e01d4be42908937ae

    • C:\Windows\SysWOW64\dukgiyfnzublovd.exe
      Filesize

      512KB

      MD5

      1a5678ec3cf809e1756d0b130b268f7b

      SHA1

      f6f50b4b545fea3fc14aacf159bd33999df9bc50

      SHA256

      1b918e947e30d8274f752045894d8a6388a30ea7e15ac526ad5a11cca0f247a6

      SHA512

      eb0c3d72c7a9aa89f1bbcf6fe40378b45d4c3b96f122eab9b20312d2950877411bf349338a6b817a26f0092421448932f86369ebb0b6a9cc19ef0a0c1d5a060f

    • C:\Windows\SysWOW64\mqasnhweulxzc.exe
      Filesize

      512KB

      MD5

      fbd2a03238117cf26fbf1eff70497d2c

      SHA1

      6474a577e0ad93e7554f956ea7d35fb4949767c6

      SHA256

      fc8a5f71c92825185b5bcc8f8d77da682632e4a20ed572c438b9b266eb27addd

      SHA512

      e10b9606da23943ee6be457db6348a2db32c7e24ba45aa0b257b15db4cca6f7f401623c9cfe64cf44ff9821494f9efa48b4fe3e967ff9370b785688dae564b97

    • C:\Windows\mydoc.rtf
      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

    • \Windows\SysWOW64\jvwpqqjimy.exe
      Filesize

      512KB

      MD5

      b2b268c2806ad11dbcc9a8795f650c79

      SHA1

      d20f3c5471afcbe0be283ca2f1f8b6d29d5c08a1

      SHA256

      7f7ffab0de10c4bb2d5aad4a1b01615154a50e63dd2b1317a3407a34d25b43a4

      SHA512

      a46991052df1a017e3eff2716f8a1886f35ab4b3d31c80cc448efda13dc7b16e025d227a8470f11e937b82216e655672bfbb911bc511abb3f3931b9acbc653ca

    • memory/1832-0-0x0000000000400000-0x0000000000496000-memory.dmp
      Filesize

      600KB

    • memory/2524-45-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/2524-93-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB