Analysis

  • max time kernel
    3s
  • max time network
    5s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/01/2025, 20:34

Errors

Reason
Machine shutdown

General

  • Target

    JaffaCakes118_4373196495fd5bd61a3ca0dd086b415d.exe

  • Size

    344KB

  • MD5

    4373196495fd5bd61a3ca0dd086b415d

  • SHA1

    7e80f5e068643383fc29991333a23608ed322976

  • SHA256

    ba531df27744b17a0006cda3da7751903ad9354cb5740c41a35913df05be0830

  • SHA512

    8576c0301afa4780e1637ba40fddba2c20075122273d7c95831ff782d2359c842e8e41066b1202937baefeff833b1163da1b883255bb0d81c940d817dc8ad7a8

  • SSDEEP

    6144:rlwEIOLQRCQ5Af7kkAsntTQubE1/K5blopzcbbw:rloDRCQMNAstTQajopf

Malware Config

Signatures

  • Modifies boot configuration data using bcdedit 1 TTPs 10 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Enables test signing to bypass driver trust controls 1 TTPs 10 IoCs

    Allows any signed driver to load without validation against a trusted certificate authority.

  • Executes dropped EXE 1 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Drops file in Windows directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Modifies data under HKEY_USERS 15 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4373196495fd5bd61a3ca0dd086b415d.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4373196495fd5bd61a3ca0dd086b415d.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:3428
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C del /Q /F "C:\Users\Admin\AppData\Local\Temp\e7e1a2aa.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1652
  • C:\Windows\Installer\{D18F138F-C729-DB54-1DF8-4545FDD7D2F7}\syshost.exe
    "C:\Windows\Installer\{D18F138F-C729-DB54-1DF8-4545FDD7D2F7}\syshost.exe" /service
    1⤵
    • Drops file in Drivers directory
    • Executes dropped EXE
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4912
    • C:\Windows\SYSTEM32\bcdedit.exe
      bcdedit.exe -set TESTSIGNING ON
      2⤵
      • Modifies boot configuration data using bcdedit
      • Enables test signing to bypass driver trust controls
      PID:5000
    • C:\Windows\SYSTEM32\bcdedit.exe
      bcdedit.exe -set TESTSIGNING ON
      2⤵
      • Modifies boot configuration data using bcdedit
      • Enables test signing to bypass driver trust controls
      PID:3592
    • C:\Windows\SYSTEM32\bcdedit.exe
      bcdedit.exe -set TESTSIGNING ON
      2⤵
      • Modifies boot configuration data using bcdedit
      • Enables test signing to bypass driver trust controls
      PID:2292
    • C:\Windows\SYSTEM32\bcdedit.exe
      bcdedit.exe -set TESTSIGNING ON
      2⤵
      • Modifies boot configuration data using bcdedit
      • Enables test signing to bypass driver trust controls
      PID:1396
    • C:\Windows\SYSTEM32\bcdedit.exe
      bcdedit.exe -set TESTSIGNING ON
      2⤵
      • Modifies boot configuration data using bcdedit
      • Enables test signing to bypass driver trust controls
      PID:2896
    • C:\Windows\SYSTEM32\bcdedit.exe
      bcdedit.exe -set TESTSIGNING ON
      2⤵
      • Modifies boot configuration data using bcdedit
      • Enables test signing to bypass driver trust controls
      PID:2948
    • C:\Windows\SYSTEM32\bcdedit.exe
      bcdedit.exe -set TESTSIGNING ON
      2⤵
      • Modifies boot configuration data using bcdedit
      • Enables test signing to bypass driver trust controls
      PID:3512
    • C:\Windows\SYSTEM32\bcdedit.exe
      bcdedit.exe -set TESTSIGNING ON
      2⤵
      • Modifies boot configuration data using bcdedit
      • Enables test signing to bypass driver trust controls
      PID:772
    • C:\Windows\SYSTEM32\bcdedit.exe
      bcdedit.exe -set TESTSIGNING ON
      2⤵
      • Modifies boot configuration data using bcdedit
      • Enables test signing to bypass driver trust controls
      PID:4428
    • C:\Windows\SYSTEM32\bcdedit.exe
      bcdedit.exe -set TESTSIGNING ON
      2⤵
      • Modifies boot configuration data using bcdedit
      • Enables test signing to bypass driver trust controls
      PID:2428
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x4 /state0:0xa39ae055 /state1:0x41c64e6d
    1⤵
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:2296

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Windows\Installer\{D18F138F-C729-DB54-1DF8-4545FDD7D2F7}\syshost.exe

          Filesize

          344KB

          MD5

          4373196495fd5bd61a3ca0dd086b415d

          SHA1

          7e80f5e068643383fc29991333a23608ed322976

          SHA256

          ba531df27744b17a0006cda3da7751903ad9354cb5740c41a35913df05be0830

          SHA512

          8576c0301afa4780e1637ba40fddba2c20075122273d7c95831ff782d2359c842e8e41066b1202937baefeff833b1163da1b883255bb0d81c940d817dc8ad7a8

        • memory/3428-0-0x0000000002470000-0x00000000024D0000-memory.dmp

          Filesize

          384KB

        • memory/3428-1-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB

        • memory/3428-2-0x0000000000400000-0x0000000000459000-memory.dmp

          Filesize

          356KB

        • memory/3428-11-0x0000000000400000-0x0000000000435000-memory.dmp

          Filesize

          212KB

        • memory/3428-10-0x0000000000400000-0x0000000000459000-memory.dmp

          Filesize

          356KB

        • memory/4912-6-0x0000000000400000-0x0000000000459000-memory.dmp

          Filesize

          356KB

        • memory/4912-8-0x0000000000400000-0x0000000000459000-memory.dmp

          Filesize

          356KB

        • memory/4912-13-0x0000000000400000-0x0000000000459000-memory.dmp

          Filesize

          356KB