Overview

overview

10

Static

static

5

048866b558...18.exe

windows7-x64

10

048866b558...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 06:05

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General

  • Target

    048866b558a343c2f35aeb4bb4421502_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    048866b558a343c2f35aeb4bb4421502

  • SHA1

    0af31d426a1c4a947a11b437b9778fa4d8ec47e2

  • SHA256

    db3ba4ab4b8a631ffcf16fcfe79e39cb56d73f2880974db02ef48621b52a4062

  • SHA512

    ecd7c188e7d6372652b38788322723ed23f067636102f260bbf04832cb97c35e7bbb0d4087a316a8ab5cc418c6b6e79598a3e212188aacb5925228341b046f17

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6k:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5f

Score
10/10
evasionpersistencespywarestealertrojan

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
    evasion
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
    evasion
  • Windows security bypass 2 TTPs 5 IoCs
    evasiontrojan
  • Disables RegEdit via registry modification 1 IoCs
    evasion
  • 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.

    spywarestealer
  • Windows security modification 2 TTPs 6 IoCs
    evasiontrojan
  • Adds Run key to start application 2 TTPs 3 IoCs
    persistence
  • 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
    persistence
  • AutoIT Executable 5 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
    adwarespyware
  • 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\048866b558a343c2f35aeb4bb4421502_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\048866b558a343c2f35aeb4bb4421502_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:1660
    • C:\Windows\SysWOW64\yseozfxuyj.exe
      yseozfxuyj.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:3028
      • C:\Windows\SysWOW64\uzrmsqro.exe
        C:\Windows\system32\uzrmsqro.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:3024
    • C:\Windows\SysWOW64\hhdjvrszuulgyqj.exe
      hhdjvrszuulgyqj.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2376
    • C:\Windows\SysWOW64\uzrmsqro.exe
      uzrmsqro.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:2784
    • C:\Windows\SysWOW64\zsfkvpgprehqb.exe
      zsfkvpgprehqb.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2664
    • 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:2464
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:2800

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Initial Access

    Execution

    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

    Lateral Movement

    Collection

    Data from Local System

    1
    T1005

    Exfiltration

    Command and Control

    Impact

    Resource Development

    Reconnaissance

    Replay Monitor

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    Downloads

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

      20KB

      MD5

      a412c90d8a7798ee0d384d82fc94141a

      SHA1

      3aa91a0b10a59b1628f101822c2680a565a73481

      SHA256

      025ab66dfc79e17f695a374fb0b5d5a374c28701b4fc8f6a1e8eb7661b2ad9b4

      SHA512

      525dbc9436a0590afc9626a2d672ad70ff10f1b27d565f238ff3ba44d4980c70f53eff329ac486a24452b630619f38c58b6b3e79f52e592ab61bb4e6eb1fff94

      Download Submit
    • C:\Windows\SysWOW64\hhdjvrszuulgyqj.exe
      Filesize

      512KB

      MD5

      b67d74646562c5c2367e10680b95bb65

      SHA1

      1d8fa166c9d4228a72560924c40b35d75635c4c0

      SHA256

      8ad6dcd328609d39a6af4bcbd69300c5e1b6ce185ffbb0e3eb983ba2926eeae7

      SHA512

      8ec9e113783f8cc50cdd28fa9a934bab493a6a28fee94f659937148637fba3bde83ca7402bdf9b5eccf2de8b5cdc256716f87f8dc2b36e92845b1376a4815f6c

      Download Submit
    • C:\Windows\mydoc.rtf
      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

      Download Submit
    • \Windows\SysWOW64\uzrmsqro.exe
      Filesize

      512KB

      MD5

      05a919dbe8a0e88c2bbfd031095b19e9

      SHA1

      e44994abea13b10398db6c6f2c6fa8f913fbe177

      SHA256

      92e78f501b7b44977c17c867089ce6ba14124bdd8efb92b5928193796c593db2

      SHA512

      35f139b2d2a09282dba688fd6cbe821eece262e8643b91d7f1601e6bb682812d86dbf608dcc00717b8716d735d45f85febac3dbc280bb75c384c2a6399565f4f

      Download Submit
    • \Windows\SysWOW64\yseozfxuyj.exe
      Filesize

      512KB

      MD5

      b09422058f9a564e883e5aaf6796f882

      SHA1

      8ae0e2bcf74beecffd2c654e61b3f9558d6a02b7

      SHA256

      0fe6a4a3e6d024517099d76dc5fbb96f37b0fabd46d740ab571702398f911346

      SHA512

      446924ca0187d9626692f4c3de337549bd49c6997e819bb7e02f30c287b4cbd498c6315953984326532c2f9c5bb97e1d8634551984abcfabf83d2c0895456c94

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    • \Windows\SysWOW64\zsfkvpgprehqb.exe
      Filesize

      512KB

      MD5

      8457fbd9f6233adb7631ae7c06b9a7e7

      SHA1

      7e3c9e2736fdc40060d8df7cafccfb1e2271d1f7

      SHA256

      3ebaed1d9116e0956eb3d05da0af9dfbfcb788a4401e50efe5da544e55e19bdb

      SHA512

      c9845725ddf626df737bcf563f12aa7977d1223277598b235f48735ef474ff7214a24a96ffd7d002c3a27f6688ffa264e50f8044ffcdfe63c9b1a58674406dfc

      Download Submit
    • memory/1660-0-0x0000000000400000-0x0000000000496000-memory.dmp
      Filesize

      600KB

      Download
    • memory/2464-45-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

      Download
    • memory/2464-96-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

      Download