Analysis

  • max time kernel
    150s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-09-2024 00:52

General

  • Target

    eec30249636d1d381a4e8d8be3cbb0bf_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    eec30249636d1d381a4e8d8be3cbb0bf

  • SHA1

    45eaefc277c8c6b980744dd22b6d01723641df43

  • SHA256

    5b9a4f433a71634b0d206139a6a86c15765a9300d6718700a27ad8667c660bfd

  • SHA512

    7fddc9f387a1758fe68e7eb1dd723e57b8b12058762bbdd1556705fbbe40315ca91d757ab46607a86889df0a5053b988278a9ad55d082619c1f0e408c25b3143

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6l:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5K

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 9 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).

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies registry class 19 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\eec30249636d1d381a4e8d8be3cbb0bf_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\eec30249636d1d381a4e8d8be3cbb0bf_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3024
    • C:\Windows\SysWOW64\anppsrgvsr.exe
      anppsrgvsr.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
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2220
      • C:\Windows\SysWOW64\trzbbbma.exe
        C:\Windows\system32\trzbbbma.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2820
    • C:\Windows\SysWOW64\rrmfrpahbbhuugr.exe
      rrmfrpahbbhuugr.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2424
    • C:\Windows\SysWOW64\trzbbbma.exe
      trzbbbma.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2212
    • C:\Windows\SysWOW64\yxykdvngciqgt.exe
      yxykdvngciqgt.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2768
    • 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
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2684
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:1660

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      512KB

      MD5

      3f9881c02fd02dd4df4683a67bc460d3

      SHA1

      ed65ec53c5b077e14b1b3dfc06b39fe326f1a2aa

      SHA256

      9dd482652323c6a8744418e3da100cc6f8df13f493fc6e8b936a154c7b0653db

      SHA512

      1f35ec6fb0ff3e221480047f0757c48af1edea62a549ac04b289119787a7685ff43a26060f18cd094ea63e9de193ae520d77784cefe0a2ba0bbd1d03130e99c7

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

      Filesize

      512KB

      MD5

      93aecbda64d13f03e7786352648a03dc

      SHA1

      84aa4b2827c2cb07559d5f03a2b57476f635569c

      SHA256

      9d9bc627c3b1f875ebbee05fc9be760ce1067ca4ad614a64bd27ef8f5ad89fed

      SHA512

      5f4c34db45e5bc19595008ef6a93fe370012ee81ce2e8d4a876a5d9d8342142c9895ebfbdd8c21248293a1247422b878e73bbce1645abc64d993f504340da6f4

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

      Filesize

      19KB

      MD5

      c1b23ddfd0268a6f15692dfe9ed1fa98

      SHA1

      1c671110950a88e92fc2c653ac1ba8b4f04ddaaf

      SHA256

      47bd1ea20c2661669c7f9b5536747657eccec3ec43100eca0d308e0d761649ca

      SHA512

      432ff52579ca077dc0a703f2bce0df8cea1e02de146698272592ff7542dbd899a91380b213f21ff6fa9eee576d26c0fb7c3ad115d29e5b640450fb11ba4de677

    • C:\Users\Admin\AppData\Roaming\UnregisterUnlock.doc.exe

      Filesize

      512KB

      MD5

      b401743838754e233eccd78958444d0f

      SHA1

      63932d469565a419ebbc3ce377c2fb40574def32

      SHA256

      1983794420db5e59d7990f085ad9dd0723a2b44e721423711b9a3753991deb77

      SHA512

      268979fdd90cd70e605e599292713461f641032b3dad59e71f19429a9b4adc1e347e84bf3caade3e9fc17eaa006c0feb69c4e92a2d3af06648c86d9fe852f06e

    • C:\Users\Admin\Music\DebugSelect.doc.exe

      Filesize

      512KB

      MD5

      a98506816d69a7e87b06f0c80786691d

      SHA1

      2f7b1a3eb55d7b94fac4cca6a8c01daedd7f9625

      SHA256

      e8e65a5413dc4e6874f534604fd6a09b8ddb03f263ecf4118d8e63dfc1c83433

      SHA512

      25ff8173f2e7ead4369a9d8f57d581d9deee3a800dac099899b9b5f227cc95e936ec1159c36d37677f0061dd6e940e673c7de3f9bd347fc428929da1b462a3b5

    • C:\Windows\SysWOW64\rrmfrpahbbhuugr.exe

      Filesize

      512KB

      MD5

      22095944084977986a4b26afb2e7449e

      SHA1

      7fcfc788e6e24873641aad5bae47071dc7dfeeea

      SHA256

      1fec4843f09c5d6658d5c97e6f676fc1e571f88b09421d4aaf19f493dfb0b942

      SHA512

      7e640fb19fca7f0f13a4a3c91b12ac21fd1faf83f9ed90524202b5d4281913d36561030b7a6c53336f611ab6af4da31afd85fafa3c158686deb7a59e457e551f

    • C:\Windows\mydoc.rtf

      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

    • \Windows\SysWOW64\anppsrgvsr.exe

      Filesize

      512KB

      MD5

      2cb22c6093cb3ef2b7f47fc1dce1a998

      SHA1

      32fca1f140e22fb4cdc17f0a38708bede398410b

      SHA256

      eda133dc3da57d6a6c01e4e60ac775d72d14dd688aa80fcbd6fb04634ec397d2

      SHA512

      ec3bac389c482026404c84f71be57e48621d7761ccb2b7d35cf2daddf63c4ae8e1eac055abf4b4356f0650434994bf50ac0dd2202d74fbee3aae617c617d43fb

    • \Windows\SysWOW64\trzbbbma.exe

      Filesize

      512KB

      MD5

      9fda9d17c372a70799379b1e35deb941

      SHA1

      85bcfe3d261770d44bf4b4ad20e79234ae6ea353

      SHA256

      10fabb0d30cc414e8be9fb3c2d75f1d1696f5178a57b7469996dac3f8134eb8c

      SHA512

      bc1fdaaaadb1f5eebf267bf96eb385572916663e765d7e19546d94a30cd9082f7bbb498ce77a196ba3f0f69fb10c228a0e83352a855580ba4aa8682755d1b918

    • \Windows\SysWOW64\yxykdvngciqgt.exe

      Filesize

      512KB

      MD5

      cabffa96b3f9e2890f7ad08ec42334af

      SHA1

      f16fa35c037b7a1747c21a57849234a7e1b5ced4

      SHA256

      fc4ecb4bb2c7479059eb67ba787913ea61dcae0059ed70b3d66b902316dec843

      SHA512

      3b7ea857c512bd95d5f90af9fad7528ec481b314c52114778e5bb9ad862b5130de000278403710e69e1d53bdc9bd728ecf9a3ed2ad2e969d8894d26b377e39f3

    • memory/2684-45-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/2684-103-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/3024-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB