Overview

overview

10

Static

static

5

65dbdfc8e2...18.exe

windows7-x64

10

65dbdfc8e2...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 03:30

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General

  • Target

    65dbdfc8e2eaf077394f57dad0349e8a_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    65dbdfc8e2eaf077394f57dad0349e8a

  • SHA1

    64890ebe71e1c05abc1aa96277c97edb636d4bb6

  • SHA256

    d0df230c971d10986703b4f0846b255b3aecbbaf4cd6317cc3eea3215ce38893

  • SHA512

    327426677b93ebcb1f29da78169f1e3fb880834fd52a46cce5fca91697024d80a139a4a6f8181115f10e3466af4b5d2253260efe5a818fb89b515cf60e9cbc53

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6r:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5o

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\65dbdfc8e2eaf077394f57dad0349e8a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\65dbdfc8e2eaf077394f57dad0349e8a_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:2868
    • C:\Windows\SysWOW64\kecihdccvy.exe
      kecihdccvy.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:2120
      • C:\Windows\SysWOW64\tgguqrng.exe
        C:\Windows\system32\tgguqrng.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:2348
    • C:\Windows\SysWOW64\ntyyjkhzwnufnkx.exe
      ntyyjkhzwnufnkx.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\tgguqrng.exe
      tgguqrng.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:2740
    • C:\Windows\SysWOW64\oluwrgvpsluwe.exe
      oluwrgvpsluwe.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2732
    • 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:548
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:1716

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

      512KB

      MD5

      7179328b010335b09b7edbbfa3fa9eee

      SHA1

      3d97eeb2ecb91c6667db7c6e4c23a491dbd329f7

      SHA256

      b3c1c5482935099fd3ac55fd768bf05e7ca4e6ef0336efee2ad0582101996989

      SHA512

      cbb6cd18da4b20ee0efad0b2a440222832197970c0dbd766fb1902074d24a3b5ed1310b5a478712f9f568756023002d3c55912d5adc07030d15e9eb6653f56e7

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

      20KB

      MD5

      b9f8f2d5f23a157c0907e1cc627021ab

      SHA1

      08133312781160c371be6c595582c5ccf7a5db2c

      SHA256

      ccf591527baf8f722d9adc11f92e45784b65e2e2b875f609101e08bca8ac677b

      SHA512

      5bb673baee14f2a6f1210a6b504bb240d1e1f68197de3dbd552ad0fa45b15840abe92d4584a0dc130a9772d03e9c0adbad0317e221d3fa7836d51a85915aa25a

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

      512KB

      MD5

      e2fb4d62d5f78545eb67c81f1516a777

      SHA1

      36444eb1c26b407399cec5ab6d8f08b18898f149

      SHA256

      ae72788a2f2df01483b7a6ca8d94049ffe174ba5efa7e81c228e37e9f56beef8

      SHA512

      3c57fd696ffddbc1f87eb9f9d8ced0dd5b58b2df0e36b4372ebf5638c5abd5fd66a20b6fcc6924ec86c342bafab4fd1d120281debdcf381a943d4b4aa5cf2cd1

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

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

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

      512KB

      MD5

      7a4692c6b371a9fcf3f5e4c49b8ca4c4

      SHA1

      3311a286824c5cb77fb6b845f44a3d91e2cf582e

      SHA256

      539d1f3212c8b8f5e4b06f4923e6f49ccc16d401d83dc1f6ea350dcaad7d04ea

      SHA512

      bf6643920319a9be0d50d2f636968bd7d3ee8375a39f254dd3a25e5dde93352e1178bd094586fb3dd1fe1754240e6a5502a6330f4b79c2fe84e7b0c311c7dd78

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

      512KB

      MD5

      094702f7d37c8a17536e2a7b18f22a24

      SHA1

      f37ecda6b5ab67fd7e24b4ee99f4e25f50e19722

      SHA256

      b63c90add992c1069f5941dbaf72929c43e2c8d918d575478bf4e8ba2db785e8

      SHA512

      7a76bd8594bcfc6cc51d50eaadb09b37d2fc08de835b15f327ea2783700b0133f2488b27517379f29f9b2d9d8967100556ae56805863ecaf8911f8a4c5cd8b4e

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

      512KB

      MD5

      084d1ff4cffbcf089e35eb03261fe13f

      SHA1

      10ebb35d231dddd028338501ce82f70693c900f8

      SHA256

      7511e747f8ff93e715028d128e12947ed065945f42e71d5734201da2546b62d7

      SHA512

      54318a66f08ab67ccfadd487f9207b0b59862df6ec7be51e5c99a8c877d90c789514e23ae2a2c7d48c8cff9f5c0fec140a2bfc839dcc6b34aad3e0dc649d1fd9

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    • memory/548-45-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

      Download
    • memory/548-94-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

      Download
    • memory/2868-0-0x0000000000400000-0x0000000000496000-memory.dmp
      Filesize

      600KB

      Download