Overview

overview

8

Static

static

7

f20c50457d...18.exe

windows7-x64

7

f20c50457d...18.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/04/2024, 22:14

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General

  • Target

    f20c50457deb80c249d0e7a08ee52811_JaffaCakes118.exe

  • Size

    857KB

  • MD5

    f20c50457deb80c249d0e7a08ee52811

  • SHA1

    87e3650f8628e5546b3b1f037939d4e9a66b3bc9

  • SHA256

    a49b681d40916a5a7a1085d7dfc88962b5cf5c6ae7819c268b78eebeecaea76e

  • SHA512

    59bb9a85437f4226ecc941c0ea2b712227352456977b5e15a0ea6bfa4bda568c2f2a5045c5a96d11d3efb35d9dae2ff65bdb125fd1aac32a41cd21aec499edf8

  • SSDEEP

    24576:zox0HNIx5gptENu/InVwZsePLZzkWgKdw:EI2xmptEN5ANzgKS

Score
8/10
bootkitpersistenceupx

Malware Config

Signatures

  • Modifies Installed Components in the registry 2 TTPs 5 IoCs
    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).

  • 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: 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 7 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f20c50457deb80c249d0e7a08ee52811_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f20c50457deb80c249d0e7a08ee52811_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:5164
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    PID:3344
  • 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:2004
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5524
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Modifies Installed Components in the registry
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2436
  • 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:5568
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
      PID:5468
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4156
      • C:\Windows\explorer.exe
        explorer.exe /LOADSAVEDWINDOWS
        2⤵
        • Modifies Installed Components in the registry
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SendNotifyMessage
        PID:5728
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:5832
      • C:\Windows\explorer.exe
        explorer.exe /LOADSAVEDWINDOWS
        2⤵
        • Modifies registry class
        PID:2904
    • C:\Windows\explorer.exe
      explorer.exe
      1⤵
      • Modifies Installed Components in the registry
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:5144
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {9BA05972-F6A8-11CF-A442-00A0C90A8F39} -Embedding
      1⤵
        PID:4796
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:4316
        • C:\Windows\explorer.exe
          explorer.exe /LOADSAVEDWINDOWS
          2⤵
          • Modifies Installed Components in the registry
          • Enumerates connected drives
          • Checks SCSI registry key(s)
          • Modifies registry class
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SendNotifyMessage
          PID:3632
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:5280
        • C:\Windows\explorer.exe
          explorer.exe /LOADSAVEDWINDOWS
          2⤵
          • Modifies Installed Components in the registry
          • Enumerates connected drives
          • Checks SCSI registry key(s)
          • Modifies registry class
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:3436

      Network

            MITRE ATT&CK Enterprise v15

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            Downloads

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

              14KB

              MD5

              46be012ce9040967106ac2a81a2bf2e0

              SHA1

              ff90c2f1e0025bfed1be766b4fec379104898117

              SHA256

              aadaab9173ecb3f5dbe1673936feb74b28023199e56e7737315a5bb9be9d6980

              SHA512

              3d7b7d15bb83ad49fc58277a83d66cf8ea0d4138babb0d05aa1f70cc0e754ab5861209b6fabc6ceb6249ba49de3fc05e083b04407b746a3b01d7c5cd5aded396

              Download Submit

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

              15KB

              MD5

              0c5b6b7909a2ae0625d90b8f152e676a

              SHA1

              c3dd2d88b76e930b4bf3aa10ad78ace4c40daf87

              SHA256

              d77823b0726ca7637c806c1bdc8ee196b0567edac5d9d19dbb1cc28381aabc42

              SHA512

              b4ea7488ffeebe4295b00738d6f19c606f24f532375d7eaec2352e2e59b10a0d3641e064c7e034a39f7623d0b1b2786c70bb0892bc3556d86eb1c03f46b39026

              Download Submit

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

              1022B

              MD5

              b76a1daef79ce11d94bda14da45a9672

              SHA1

              be2cf1a83b33932e6de5d39b95ee345f873ce3a6

              SHA256

              588d88122cba81063092f8d1601600a3ec4ad41ec0052f761b032e13bcf4cc7e

              SHA512

              51d6fe2d19b557a992c761daea4f452b9d6492f3d4a14751652a483994ed4582506f253fbfa5a8bfef96c2bcd152a37cfcc149452f3a0cadee1c6266896a9e0c

              Download Submit

            • C:\Users\Admin\AppData\Local\Temp\{634405A5-73FB-472D-8C8F-763B914A47F2}.png
              Filesize

              6KB

              MD5

              099ba37f81c044f6b2609537fdb7d872

              SHA1

              470ef859afbce52c017874d77c1695b7b0f9cb87

              SHA256

              8c98c856e4d43f705ff9a5c9a55f92e1885765654912b4c75385c3ea2fdef4a7

              SHA512

              837e1ad7fe4f5cbc0a87f3703ba211c18f32b20df93b23f681cbd0390d8077adba64cf6454a1bb28df1f7df4cb2cdc021d826b6ef8db890e40f21d618d5eb07a

              Download Submit

            • memory/2436-8-0x0000000004F40000-0x0000000004F41000-memory.dmp

              Filesize

              4KB

              Download

            • memory/3436-27-0x00000000033E0000-0x00000000033E1000-memory.dmp

              Filesize

              4KB

              Download

            • memory/5144-17-0x0000000004530000-0x0000000004531000-memory.dmp

              Filesize

              4KB

              Download

            • memory/5164-30-0x0000000001030000-0x0000000001040000-memory.dmp

              Filesize

              64KB

              Download

            • memory/5164-39-0x0000000001000000-0x0000000001001000-memory.dmp

              Filesize

              4KB

              Download

            • memory/5164-5-0x0000000000400000-0x0000000000A29000-memory.dmp

              Filesize

              6.2MB

              Download

            • memory/5164-19-0x0000000000400000-0x0000000000A29000-memory.dmp

              Filesize

              6.2MB

              Download

            • memory/5164-4-0x0000000000400000-0x0000000000A29000-memory.dmp

              Filesize

              6.2MB

              Download

            • memory/5164-2-0x0000000000400000-0x0000000000A29000-memory.dmp

              Filesize

              6.2MB

              Download

            • memory/5164-29-0x0000000000400000-0x0000000000A29000-memory.dmp

              Filesize

              6.2MB

              Download

            • memory/5164-0-0x0000000000400000-0x0000000000A29000-memory.dmp

              Filesize

              6.2MB

              Download

            • memory/5164-1-0x0000000001030000-0x0000000001040000-memory.dmp

              Filesize

              64KB

              Download

            • memory/5164-37-0x0000000000400000-0x0000000000A29000-memory.dmp

              Filesize

              6.2MB

              Download

            • memory/5164-38-0x0000000000400000-0x0000000000A29000-memory.dmp

              Filesize

              6.2MB

              Download

            • memory/5164-6-0x0000000001000000-0x0000000001001000-memory.dmp

              Filesize

              4KB

              Download

            • memory/5164-40-0x0000000000400000-0x0000000000A29000-memory.dmp

              Filesize

              6.2MB

              Download

            • memory/5164-47-0x0000000000400000-0x0000000000A29000-memory.dmp

              Filesize

              6.2MB

              Download

            • memory/5164-48-0x0000000000400000-0x0000000000A29000-memory.dmp

              Filesize

              6.2MB

              Download

            • memory/5164-49-0x0000000000400000-0x0000000000A29000-memory.dmp

              Filesize

              6.2MB

              Download

            • memory/5164-52-0x0000000000400000-0x0000000000A29000-memory.dmp

              Filesize

              6.2MB

              Download

            • memory/5164-55-0x0000000000400000-0x0000000000A29000-memory.dmp

              Filesize

              6.2MB

              Download

            • memory/5164-56-0x0000000000400000-0x0000000000A29000-memory.dmp

              Filesize

              6.2MB

              Download

            • memory/5164-57-0x0000000000400000-0x0000000000A29000-memory.dmp

              Filesize

              6.2MB

              Download

            • memory/5164-60-0x0000000000400000-0x0000000000A29000-memory.dmp

              Filesize

              6.2MB

              Download

            • memory/5164-61-0x0000000000400000-0x0000000000A29000-memory.dmp

              Filesize

              6.2MB

              Download

            • memory/5164-62-0x0000000000400000-0x0000000000A29000-memory.dmp

              Filesize

              6.2MB

              Download

            • memory/5164-63-0x0000000000400000-0x0000000000A29000-memory.dmp

              Filesize

              6.2MB

              Download