Overview

overview

8

Static

static

3

ab5cb938fe...18.exe

windows7-x64

7

ab5cb938fe...18.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/08/2024, 14:20

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General

  • Target

    ab5cb938fe9822e7063ec4ef8e414307_JaffaCakes118.exe

  • Size

    803KB

  • MD5

    ab5cb938fe9822e7063ec4ef8e414307

  • SHA1

    c5d0c2dcaf55fee665656db0c7ca6d1537669a8b

  • SHA256

    5833f518431c1d95c67774c91878b5a4de124bbcec4c66b7b950feea84736ae6

  • SHA512

    982598276992f1c8c305882ea35389f3a330b3af1b95a726f702f3751857ed00f3e60a9b8533d9072d17efabaaeb61e55a6a25ae3dd9826ad1353df1d4b98799

  • SSDEEP

    24576:SD2Mg0q0Lp2v14ClXm6c6vqtb2gG60UlY:SD2Mg05Lgv2WXm2vMyHB

Score
8/10
bootkitdiscoverypersistence

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
  • 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\ab5cb938fe9822e7063ec4ef8e414307_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ab5cb938fe9822e7063ec4ef8e414307_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:5032
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    PID:1968
  • 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:2204
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4388
    • 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:4836
  • 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:2420
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2408
    • 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:376
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3100
    • 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:3664
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1868
    • 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:4608
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3156
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Modifies registry class
      PID:2132
  • 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 SetWindowsHookEx
    PID:3836
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {9BA05972-F6A8-11CF-A442-00A0C90A8F39} -Embedding
    1⤵
      PID:1396
    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:4668

    Network

          MITRE ATT&CK Enterprise v15

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          Downloads

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

            471B

            MD5

            7fffd2d841532ad35f039a55b6b9958c

            SHA1

            bd92a034d1f9410146c52d145420a6fdc085533d

            SHA256

            719d274ebcde47cac13abbc65fc2063d322593fc2570ede5b38638f58926a538

            SHA512

            20d695a14bb7f4e0799d360a4d75b8f5266063861548c07bd178da28b6d8cffbdaf8c66ad29684ef8083220db6648632efc0c5a64946644d9c3ab7a191c938d4

            Download Submit

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

            420B

            MD5

            ddd9005a87674d01060613224d08a875

            SHA1

            27615dd2118b6522e4a914a493a6215a9d1e1525

            SHA256

            77686b769108d19902ce548fd85de178286a4a9b16ce27c3cb1a1053d683c658

            SHA512

            aa7fb38b2ca0dfbda5d3258ea6c954531a6f6a78d1f5bd2098789fb0146b5019a79f70643073da1138ebd208a1b9621d5f8991c18c96b9065fdd455396e534cc

            Download Submit

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

            15KB

            MD5

            44f84abaa264053e2a41eaa64b33a094

            SHA1

            d541fbc8e7f6fcfc7f2411dacb7e17d7aca4ddc4

            SHA256

            695cfe91b129facf0c841fb5b80edfc1ceee619dd69517333c0e6fab09c9a046

            SHA512

            d5a7d5d28e04a62769789c6fa86f1fcb7304f596003c0daf9d76102b2926d27c6a69731e436c7dd992ae8ea53a8a87938cdada0dee5d169f4daa895bd53c1c0a

            Download Submit

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

            1022B

            MD5

            65ee7fad1fe20ccb6a22a24e70566bba

            SHA1

            2cbccd6a828d5198f85bd385f6bf0ac8777d4144

            SHA256

            4aaaee2fbdb2405015b0085675aa922f16c3f41eb0ae91f0fc7a34fa0751a090

            SHA512

            efb95249fd9f7b4f29825c302b4db556b8f5a749ec620e726905c3883948af12261187a4bef85c9584324ae12108a834d69f8f7f56839f5834ab49fc647d44b3

            Download Submit

          • C:\Users\Admin\AppData\Local\Temp\{A04E2DC5-FCED-4004-9489-D81AF6C4F794}.png
            Filesize

            6KB

            MD5

            099ba37f81c044f6b2609537fdb7d872

            SHA1

            470ef859afbce52c017874d77c1695b7b0f9cb87

            SHA256

            8c98c856e4d43f705ff9a5c9a55f92e1885765654912b4c75385c3ea2fdef4a7

            SHA512

            837e1ad7fe4f5cbc0a87f3703ba211c18f32b20df93b23f681cbd0390d8077adba64cf6454a1bb28df1f7df4cb2cdc021d826b6ef8db890e40f21d618d5eb07a

            Download Submit

          • memory/3664-23-0x0000000004D20000-0x0000000004D21000-memory.dmp

            Filesize

            4KB

            Download

          • memory/3836-31-0x0000000004050000-0x0000000004051000-memory.dmp

            Filesize

            4KB

            Download

          • memory/4836-11-0x0000000004EC0000-0x0000000004EC1000-memory.dmp

            Filesize

            4KB

            Download

          • memory/5032-25-0x0000000000400000-0x0000000000A0F000-memory.dmp

            Filesize

            6.1MB

            Download

          • memory/5032-46-0x0000000000400000-0x0000000000A0F000-memory.dmp

            Filesize

            6.1MB

            Download

          • memory/5032-19-0x00000000009F1000-0x00000000009F2000-memory.dmp

            Filesize

            4KB

            Download

          • memory/5032-20-0x0000000000400000-0x0000000000A0F000-memory.dmp

            Filesize

            6.1MB

            Download

          • memory/5032-5-0x0000000000400000-0x0000000000A0F000-memory.dmp

            Filesize

            6.1MB

            Download

          • memory/5032-24-0x0000000000400000-0x0000000000A0F000-memory.dmp

            Filesize

            6.1MB

            Download

          • memory/5032-0-0x0000000002C90000-0x0000000002C98000-memory.dmp

            Filesize

            32KB

            Download

          • memory/5032-4-0x0000000000400000-0x0000000000A0F000-memory.dmp

            Filesize

            6.1MB

            Download

          • memory/5032-3-0x00000000009F1000-0x00000000009F2000-memory.dmp

            Filesize

            4KB

            Download

          • memory/5032-1-0x0000000000400000-0x0000000000A0F000-memory.dmp

            Filesize

            6.1MB

            Download

          • memory/5032-45-0x0000000000400000-0x0000000000A0F000-memory.dmp

            Filesize

            6.1MB

            Download

          • memory/5032-12-0x0000000002C90000-0x0000000002C98000-memory.dmp

            Filesize

            32KB

            Download

          • memory/5032-53-0x0000000000400000-0x0000000000A0F000-memory.dmp

            Filesize

            6.1MB

            Download

          • memory/5032-54-0x0000000000400000-0x0000000000A0F000-memory.dmp

            Filesize

            6.1MB

            Download

          • memory/5032-55-0x0000000000400000-0x0000000000A0F000-memory.dmp

            Filesize

            6.1MB

            Download

          • memory/5032-56-0x0000000000400000-0x0000000000A0F000-memory.dmp

            Filesize

            6.1MB

            Download

          • memory/5032-61-0x0000000000400000-0x0000000000A0F000-memory.dmp

            Filesize

            6.1MB

            Download

          • memory/5032-62-0x0000000000400000-0x0000000000A0F000-memory.dmp

            Filesize

            6.1MB

            Download

          • memory/5032-63-0x0000000000400000-0x0000000000A0F000-memory.dmp

            Filesize

            6.1MB

            Download

          • memory/5032-66-0x0000000000400000-0x0000000000A0F000-memory.dmp

            Filesize

            6.1MB

            Download

          • memory/5032-67-0x0000000000400000-0x0000000000A0F000-memory.dmp

            Filesize

            6.1MB

            Download

          • memory/5032-68-0x0000000000400000-0x0000000000A0F000-memory.dmp

            Filesize

            6.1MB

            Download

          • memory/5032-69-0x0000000000400000-0x0000000000A0F000-memory.dmp

            Filesize

            6.1MB

            Download