Overview

overview

10

Static

static

5

05a34ce4e1...18.exe

windows7-x64

10

05a34ce4e1...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 16:49

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General

  • Target

    05a34ce4e1751bf33e0803af17082c1f_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    05a34ce4e1751bf33e0803af17082c1f

  • SHA1

    45b354f036de158920d8f242977aab190ede0136

  • SHA256

    7e32714f0b728d757d398eb21058c77f8708122415eb052081e8e125563af9b3

  • SHA512

    c4c022ae828687de17029eae8c7aaa5f3f6922a04b2bd99fb3fc1b0883b34904ae35eeb77d332ea709b24cb88a8165c2e822fcc15a3b4e8ecc004dbbd530da4d

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj68:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5n

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 6 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\05a34ce4e1751bf33e0803af17082c1f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\05a34ce4e1751bf33e0803af17082c1f_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:2084
    • C:\Windows\SysWOW64\xugdddiajp.exe
      xugdddiajp.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:2524
      • C:\Windows\SysWOW64\umobygzk.exe
        C:\Windows\system32\umobygzk.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:2900
    • C:\Windows\SysWOW64\frvlqalvoorqjlp.exe
      frvlqalvoorqjlp.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2592
    • C:\Windows\SysWOW64\umobygzk.exe
      umobygzk.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:2540
    • C:\Windows\SysWOW64\tveaphxpaipyu.exe
      tveaphxpaipyu.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2644
    • 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:2384
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:2156

    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

      e3e9a1bbde2429affaac84964d7c2af3

      SHA1

      2439b88c67c61d6549e66224d086d7123524abd3

      SHA256

      538fe5e08b0c9ad904adf316fa0108564f857305675113f0e181c4d784a01a75

      SHA512

      fe7bde00ea2e3ffdc58db3faeb0b14f11631acae117863e476d2625c6d6f30b172d453682a78ddb8acf61666fbda2d4206b095e019156b236969052af918f45f

      Download Submit
    • C:\Users\Admin\Downloads\CopyImport.doc.exe
      Filesize

      512KB

      MD5

      65bc20f7eab910ddac3c90b6abb942d1

      SHA1

      aeabb7c806d5a92f15be5183242116ed7ac1983f

      SHA256

      54903f421ce185ed1c3ef54aba2ec47b9db83dc618953458fd635bcb8e250358

      SHA512

      1ba94fb3fd0fd4b1ccefea29eca43df597cf700a9eeadbcb46e1c54dfcfe4299a83d32a9219df97923537a7200e95944ace6f2bf8fcb225f1b7d3ca4ac5821c7

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

      512KB

      MD5

      3a2ffcee6af2e90e898ee2163edd7edd

      SHA1

      676ce3c4fdd07bcaeaf39eaae2282c2b152a051b

      SHA256

      40932152ac4e90b4d9e85dbf8cd1b26a5bf92d428b27feb5905752e20e564fa4

      SHA512

      ce241ffbef494588775fb11b909cd5c63ad3db04f69719261bc37bcdd0629661e24739216eefef205d61732284f8f67fda44f82eb8cf3737ff598c04d9959e1a

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

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

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

      512KB

      MD5

      76bae5df1bbd3a6e7132bb5efbf60686

      SHA1

      b80eca0ce471122c64f326ba11c2aeccb509bbac

      SHA256

      c22370f3ccafcdc1fee3d413272fc8739866fd43542083638c7a22c813c2e13f

      SHA512

      43070062e441e866f44ec7eda22f4affafdc1ab890fc3c99a57d4692c38b3a00a2dd36e92454c219c27c730b080ed2b1555e05e87a05f5e264db338e03134e0f

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

      512KB

      MD5

      b3275da44034c34c84818be7fa370ca6

      SHA1

      10f0760ef4dcc8d972c1c79a1b5df4a9acb59bde

      SHA256

      d36682ae3e417ced65295b2e991bd6ce2abd255e302c6562570f7c3c7d40e9bc

      SHA512

      48193a47c87510ed82c35b556ac5f46d214bc96ffcf0d85ff4749c01a62d111bd1591d165938dec32397f08f58278603039f3f21c879558cec1272b257215e18

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    • \Windows\SysWOW64\xugdddiajp.exe
      Filesize

      512KB

      MD5

      b31f6a5e46bf19aacda29d2e070b9c9f

      SHA1

      a6fb11944d875d56bd722b0c49c63fd7b7fe50ec

      SHA256

      74b8b98ce59665ae68e7aab6916aa97ddb9c26dc5dc217045bfbdcce1330f774

      SHA512

      dc609ad659074644d323fa32435226098d825880715ff35014d96b33f09535a6dab7c91b466758f7f7bb3db1079df034c8fa6cbbc0855bf02f21c4c3ce1462a0

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    • memory/2084-0-0x0000000000400000-0x0000000000496000-memory.dmp
      Filesize

      600KB

      Download
    • memory/2384-45-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

      Download
    • memory/2384-97-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

      Download