Analysis

  • max time kernel
    4s
  • max time network
    5s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/10/2024, 09:54

Errors

Reason
Machine shutdown

General

  • Target

    179c2faa9546deb40320c58bf96274dd_JaffaCakes118.exe

  • Size

    338KB

  • MD5

    179c2faa9546deb40320c58bf96274dd

  • SHA1

    347fb8706663918664f8dee19ad9f21093e592ec

  • SHA256

    76030caef17f1129f72815a99c53e5fdc0e15ac6e8252aaa5e6053217c494d93

  • SHA512

    3986a40bcf4b75b13bfed4fac6198dad989a6fc46998526b0816f97486540604e337cce2204f98d077534e464a9aca415d3a084f2da31f1365a3147be037e910

  • SSDEEP

    6144:qCwJtdsVlKCKe9djM6Y4wFd1kVYfXU0om0min1sVV57p0VIH0ymYq:9808CKeXjTxwFd+IImdVr7p0VIH0ymf

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\179c2faa9546deb40320c58bf96274dd_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\179c2faa9546deb40320c58bf96274dd_JaffaCakes118.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:1616
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C del /Q /F "C:\Users\Admin\AppData\Local\Temp\700aaf10.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1120
  • C:\Windows\Installer\{D33686E8-3C91-982B-9D7B-CEF37D835285}\syshost.exe
    "C:\Windows\Installer\{D33686E8-3C91-982B-9D7B-CEF37D835285}\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:2212
    • 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:228
    • 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:264
    • 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:3524
    • 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:344
    • 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:4484
    • 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:4004
    • 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:5072
    • 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:2984
    • 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:3876
    • 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:4848
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x4 /state0:0xa39ac055 /state1:0x41c64e6d
    1⤵
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:2572

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Windows\Installer\{D33686E8-3C91-982B-9D7B-CEF37D835285}\syshost.exe

          Filesize

          338KB

          MD5

          179c2faa9546deb40320c58bf96274dd

          SHA1

          347fb8706663918664f8dee19ad9f21093e592ec

          SHA256

          76030caef17f1129f72815a99c53e5fdc0e15ac6e8252aaa5e6053217c494d93

          SHA512

          3986a40bcf4b75b13bfed4fac6198dad989a6fc46998526b0816f97486540604e337cce2204f98d077534e464a9aca415d3a084f2da31f1365a3147be037e910

        • memory/1616-0-0x00000000026A0000-0x0000000002700000-memory.dmp

          Filesize

          384KB

        • memory/1616-1-0x0000000000400000-0x0000000000434000-memory.dmp

          Filesize

          208KB

        • memory/1616-2-0x0000000000400000-0x0000000000458000-memory.dmp

          Filesize

          352KB

        • memory/1616-10-0x0000000000400000-0x0000000000458000-memory.dmp

          Filesize

          352KB

        • memory/1616-11-0x0000000000400000-0x0000000000434000-memory.dmp

          Filesize

          208KB

        • memory/2212-6-0x0000000000400000-0x0000000000458000-memory.dmp

          Filesize

          352KB

        • memory/2212-7-0x0000000000400000-0x0000000000458000-memory.dmp

          Filesize

          352KB

        • memory/2212-8-0x0000000000400000-0x0000000000458000-memory.dmp

          Filesize

          352KB

        • memory/2212-13-0x0000000000400000-0x0000000000458000-memory.dmp

          Filesize

          352KB