Overview

overview

8

Static

static

7

a00438249c...18.exe

windows7-x64

7

a00438249c...18.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-08-2024 21:32

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General

  • Target

    a00438249cb56dc0445e49e5603f6cf2_JaffaCakes118.exe

  • Size

    852KB

  • MD5

    a00438249cb56dc0445e49e5603f6cf2

  • SHA1

    e56e5ff5e42ba861b50682ddac6462541b4571b0

  • SHA256

    52d827471d58876682e6cfde41481083eef3a6c2ba353938e4b9d5413a577cc0

  • SHA512

    c3af31b15df5539428a8eb0e427ac3206bdbba8cb339ecb5ce531c4def7b94f0dc4a70614b48c6446db36f4d79c188c3d260ac2e78cb0e9611a7ee1d10af3004

  • SSDEEP

    24576:f5uGJbI9ePUb8AtiNhjq07n4Hcfj/9d4Cudb3js:1b86+Cmc4HcfjHXyo

Score
8/10
bootkitdiscoverypersistenceupx

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 5 IoCs

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

    persistence
  • UPX packed file 1 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 29 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

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

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

    discovery
  • Checks SCSI registry key(s) 3 TTPs 64 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
    adwarespyware
  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 10 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
  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\a00438249cb56dc0445e49e5603f6cf2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a00438249cb56dc0445e49e5603f6cf2_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:1468
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    PID:1516
  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
    1⤵
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:4836
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4584
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2348
  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
    1⤵
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:2084
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Modifies registry class
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1432
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:5016
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:112
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4244
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SendNotifyMessage
      PID:3904
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4580
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Modifies registry class
      PID:388
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Enumerates connected drives
    • Checks SCSI registry key(s)
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:1164
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {9BA05972-F6A8-11CF-A442-00A0C90A8F39} -Embedding
    1⤵
      PID:3472
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:1532
      • C:\Windows\explorer.exe
        explorer.exe /LOADSAVEDWINDOWS
        2⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Enumerates connected drives
        • Checks SCSI registry key(s)
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        PID:864

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_6372E0472AFF76BB926C97818BC773B9
      Filesize

      471B

      MD5

      84882f34acd3db3c74b4a8a97963f15b

      SHA1

      698828bf3de66dc8ced308ef4f2f742f67db0421

      SHA256

      60bf31dfbe03c1c484c166f239f5a69f0baf70245e00621c44ea997d79eaebe8

      SHA512

      c7f07b6237894b906ddbfbbe06cfcef273cdfefe0679cace07746119b1e79c4936b1347f28fe4e72a1a82367b288ac2ea064f05ed2a95484b47a4579118c2f10

      Download Submit

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_6372E0472AFF76BB926C97818BC773B9
      Filesize

      420B

      MD5

      3f2cbb9bd36ead70ae10f31a48f994c7

      SHA1

      d061fd02b18294cff6e1da0b543e39b667025904

      SHA256

      3689cf43026287b89fd5a015eb201c38e7ee9c77214d9fff7de25c38fd46c3d6

      SHA512

      0b922d68883f79e5181d311075e2e43a59cae38b637c5d4074d3856d3fbd6ef0062df3d0050f977a359963200b81c0d15fa8dd16d1886f23b393c457e5b8179f

      Download Submit

    • C:\Users\Admin\AppData\Local\IconCache.db
      Filesize

      16KB

      MD5

      28f75a50ed64fe571f870ab168c83cf1

      SHA1

      865438435ec1064868eaf09813098c568c4fe3c6

      SHA256

      19bed56125667e16fd447d16adbae7451e1ce8f6512bbe86d948b8cff0bd882e

      SHA512

      3b70ad028cf6962785151a9ed84da133b290a5d5080fa56cc096012ac641b5f10f558cf8f94abff8051483957f44da12b26c46afa94faa74227851bd16cc204a

      Download Submit

    • C:\Users\Admin\AppData\Local\Microsoft\PenWorkspace\DiscoverCacheData.dat
      Filesize

      1022B

      MD5

      7cf987a824e886fc3efeccd9a8585bdc

      SHA1

      5ce8aafbd2477ada7f5e1b371d8aa348e02ffcaa

      SHA256

      2cc1e26aed261fea14bb047f5e5736987fbe272f2e34dcd9022220f0686781a3

      SHA512

      4880532bb8fdc614433f829c6684ab9c3bbc0f5ef07be99306944d911cefc8cd31681c095fab7aa52e9e638f264b7e08b588d0385ff4247020c45a965eb5f72f

      Download Submit

    • C:\Users\Admin\AppData\Local\Temp\{6782DA07-8E10-4B85-801B-1D406DCC035F}.png
      Filesize

      6KB

      MD5

      099ba37f81c044f6b2609537fdb7d872

      SHA1

      470ef859afbce52c017874d77c1695b7b0f9cb87

      SHA256

      8c98c856e4d43f705ff9a5c9a55f92e1885765654912b4c75385c3ea2fdef4a7

      SHA512

      837e1ad7fe4f5cbc0a87f3703ba211c18f32b20df93b23f681cbd0390d8077adba64cf6454a1bb28df1f7df4cb2cdc021d826b6ef8db890e40f21d618d5eb07a

      Download Submit

    • memory/864-33-0x0000000003650000-0x0000000003651000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1468-24-0x0000000000400000-0x0000000000A21000-memory.dmp

      Filesize

      6.1MB

      Download

    • memory/1468-35-0x0000000000400000-0x0000000000A21000-memory.dmp

      Filesize

      6.1MB

      Download

    • memory/1468-14-0x00000000028A0000-0x00000000028B0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1468-7-0x0000000000400000-0x0000000000A21000-memory.dmp

      Filesize

      6.1MB

      Download

    • memory/1468-18-0x00000000009EB000-0x00000000009EC000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1468-6-0x0000000000400000-0x0000000000A21000-memory.dmp

      Filesize

      6.1MB

      Download

    • memory/1468-5-0x0000000000400000-0x0000000000A21000-memory.dmp

      Filesize

      6.1MB

      Download

    • memory/1468-19-0x0000000000400000-0x0000000000A21000-memory.dmp

      Filesize

      6.1MB

      Download

    • memory/1468-65-0x0000000000400000-0x0000000000A21000-memory.dmp

      Filesize

      6.1MB

      Download

    • memory/1468-23-0x0000000000400000-0x0000000000A21000-memory.dmp

      Filesize

      6.1MB

      Download

    • memory/1468-0-0x0000000000400000-0x0000000000A21000-memory.dmp

      Filesize

      6.1MB

      Download

    • memory/1468-4-0x00000000009EB000-0x00000000009EC000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1468-2-0x0000000000400000-0x0000000000A21000-memory.dmp

      Filesize

      6.1MB

      Download

    • memory/1468-64-0x0000000000400000-0x0000000000A21000-memory.dmp

      Filesize

      6.1MB

      Download

    • memory/1468-42-0x0000000000400000-0x0000000000A21000-memory.dmp

      Filesize

      6.1MB

      Download

    • memory/1468-1-0x00000000028A0000-0x00000000028B0000-memory.dmp

      Filesize

      64KB

      Download

    • memory/1468-49-0x0000000000400000-0x0000000000A21000-memory.dmp

      Filesize

      6.1MB

      Download

    • memory/1468-50-0x0000000000400000-0x0000000000A21000-memory.dmp

      Filesize

      6.1MB

      Download

    • memory/1468-51-0x0000000000400000-0x0000000000A21000-memory.dmp

      Filesize

      6.1MB

      Download

    • memory/1468-52-0x0000000000400000-0x0000000000A21000-memory.dmp

      Filesize

      6.1MB

      Download

    • memory/1468-57-0x0000000000400000-0x0000000000A21000-memory.dmp

      Filesize

      6.1MB

      Download

    • memory/1468-58-0x0000000000400000-0x0000000000A21000-memory.dmp

      Filesize

      6.1MB

      Download

    • memory/1468-59-0x0000000000400000-0x0000000000A21000-memory.dmp

      Filesize

      6.1MB

      Download

    • memory/1468-62-0x0000000000400000-0x0000000000A21000-memory.dmp

      Filesize

      6.1MB

      Download

    • memory/1468-63-0x0000000000400000-0x0000000000A21000-memory.dmp

      Filesize

      6.1MB

      Download

    • memory/2348-13-0x0000000003440000-0x0000000003441000-memory.dmp

      Filesize

      4KB

      Download

    • memory/5016-21-0x0000000004340000-0x0000000004341000-memory.dmp

      Filesize

      4KB

      Download