Overview

overview

10

Static

static

5

e1a8522da7...18.exe

windows7-x64

10

e1a8522da7...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    15-09-2024 03:56

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General

  • Target

    e1a8522da7f5ba70e6e1f9027f8e378c_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    e1a8522da7f5ba70e6e1f9027f8e378c

  • SHA1

    4932e47d861af95d0c35993976e210e324c03b24

  • SHA256

    0f29f56c758f31c8b6e9b8a0fcef131cdafb15b2043668c8d9ff78232e4b8687

  • SHA512

    153e5416c97a284047a123f950d87cebb4bb89ee39cda85240f05486c0b8530661dc5ab872f537d8fa8fea80f11af058ae1b441460ba518f32f697827d08f2e2

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6b:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5Q

Score
10/10
discoveryevasionpersistencespywarestealertrojan

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
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • 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 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 4 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.

    discovery
  • Office loads VBA resources, possible macro or embedded object present
  • Modifies registry class 24 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 47 IoCs
  • Suspicious use of SendNotifyMessage 33 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\e1a8522da7f5ba70e6e1f9027f8e378c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e1a8522da7f5ba70e6e1f9027f8e378c_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:3020
    • C:\Windows\SysWOW64\hntmyehtfz.exe
      hntmyehtfz.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:2696
      • C:\Windows\SysWOW64\wykfvfhv.exe
        C:\Windows\system32\wykfvfhv.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
        PID:2316
    • C:\Windows\SysWOW64\laewcgehfcxhsuw.exe
      laewcgehfcxhsuw.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:2892
    • C:\Windows\SysWOW64\wykfvfhv.exe
      wykfvfhv.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:2944
    • C:\Windows\SysWOW64\pprgjxypswymv.exe
      pprgjxypswymv.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2868
    • 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:1732
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:2376
    • C:\Windows\explorer.exe
      explorer.exe
      1⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1468

    Network

    MITRE ATT&CK Enterprise v15

    Reconnaissance

    Resource Development

    Initial Access

    Execution

    Persistence

    Boot or Logon Autostart Execution

    3
    T1547

    Active Setup

    1
    T1547.014

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Winlogon Helper DLL

    1
    T1547.004

    Privilege Escalation

    Boot or Logon Autostart Execution

    3
    T1547

    Active Setup

    1
    T1547.014

    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

    Impair Defenses

    2
    T1562

    Disable or Modify Tools

    2
    T1562.001

    Modify Registry

    7
    T1112

    Credential Access

    Unsecured Credentials

    1
    T1552

    Credentials In Files

    1
    T1552.001

    Discovery

    Peripheral Device Discovery

    1
    T1120

    Query Registry

    2
    T1012

    System Information Discovery

    2
    T1082

    System Location Discovery

    1
    T1614

    System Language Discovery

    1
    T1614.001

    Lateral Movement

    Collection

    Data from Local System

    1
    T1005

    Command and Control

    Exfiltration

    Impact

    Replay Monitor

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    Downloads

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

      512KB

      MD5

      3032614e5596f699856d978d17590a1f

      SHA1

      61ba739808833049433697214d34730bd7619e30

      SHA256

      e4b59f01cadcaa43a0b0de8841dc28d765ef96a96d69a81d40b8aaeae31e7c8f

      SHA512

      019523a552e80ddf32c05e3ce8679470727d981bb8b90125fd6d19362adbc307d7a62b92145f059c56515f89c012daaf13199221f5804fb2dba741e4065edd94

      Download Submit

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

      512KB

      MD5

      5fb1495b4c653ca7744c129197111aa7

      SHA1

      fd7439920c0dac092aa702eae8ccc511cabe3f23

      SHA256

      4e3fb885eb7dc1f001548cd744e0da1ec106f215e06c3323ef9e9590b6b03a69

      SHA512

      7429f356f6ae5c642a0ac0f4cf5032d0705c96d9cd0d6c42f4c51493cd9d2d8e6368389d0e8dc1114f8b60e25e60d233ff1141b033959e0aafa719e5c48e40fb

      Download Submit

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

      512KB

      MD5

      fa9de63f77f3d2dcf880c7c140c64b8b

      SHA1

      37b9c8cabead65efeabd57effd44a314148d48ee

      SHA256

      7685d3646aa9356cdd8c9437ee9472e7ac660dd5444933650edf3fdb4e21bd95

      SHA512

      8a61275258d369d30c33c23a43a2ca52f2752ab9e11588ca8b418266a5a65e257100d9d760ac705839dec6d0fb45e12c234531055c64ae6455c5e742d77fd127

      Download Submit

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

      512KB

      MD5

      12440a2e01f64a13e62531ab83c7f333

      SHA1

      aa4b50574952bedc524147ecd137fc2cadf3cfb5

      SHA256

      489eb680d3cd6d58f103866655bc12e19a6cdc3c90b5c5e71d6c94b57cdaad69

      SHA512

      524a57e42d14b21e8b6e081ee5678b2cecd4b730e85f63ce4fc638f2540fb09a046f3bce017e917895b385b80e06414e43530195879821cf02d6d01cbdf72eba

      Download Submit

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

      512KB

      MD5

      fdf32bed1f5caf0cf09df2aa65bc2530

      SHA1

      af93243a6ac1072c8fd593fedaf72e2dc03931de

      SHA256

      8dc8150dab2ce9afdb8b86f82e1edd98ff08fcf8c87612cdf6956e91851fb5df

      SHA512

      a3f50086433c7c75efc9d21ed792488da43ece4115bab494f05a6f962c1e0fde8479faea695794821d9574160b05a2510636a35a67bb9d78179bed18d115068b

      Download Submit

    • C:\Windows\mydoc.rtf
      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

      Download Submit

    • \Windows\SysWOW64\laewcgehfcxhsuw.exe
      Filesize

      512KB

      MD5

      748939b73ba51a728cc341be803b474d

      SHA1

      73fff256f141256bfd921dd4325b6fd69d38f83b

      SHA256

      ff64511751ef363089588cafaeff9910a4d4f60b2766ddbc553960f6465c76c2

      SHA512

      1fe6988c28813bd3802aa903d45fa108bfdce334fb75dd2ac3cc96f9661dd1abcdc707dd9223c41e5a89c875203f515300dc163aa92497b55d82764f1f1f0dcb

      Download Submit

    • memory/1468-76-0x0000000003130000-0x0000000003140000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1732-45-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3020-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB

      Download