Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/09/2024, 14:53

General

  • Target

    edd49c94e4b8af4197cebdef16db1c47_JaffaCakes118.exe

  • Size

    18KB

  • MD5

    edd49c94e4b8af4197cebdef16db1c47

  • SHA1

    34e28916827122e4e34c5d1fe6014137b35f9798

  • SHA256

    22ef0fc7b07788143eac54a8da40ad4d576ee70934120db5d1ed87c2c6c519f0

  • SHA512

    927fce05315f8b160ec4b7f4c5684e9939db13d9b053d12d8cbf42713d449fac753bfc4f529b1a0bf529bf8ffc855f3d78dfa6bb619ff01f14925aff440f4ea5

  • SSDEEP

    384:B3ihkJoR/Edf4ONy+W2bW+GGUvTbS1MEUaNJawcudoD7UNh:BiWxy+TgHXcJnbcuyD7UN

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Stops running service(s) 4 TTPs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Indicator Removal: File Deletion 1 TTPs

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

  • Drops file in Program Files directory 5 IoCs
  • Launches sc.exe 5 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 29 IoCs

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

  • Kills process with taskkill 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
  • Modifies Internet Explorer start page 1 TTPs 1 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\edd49c94e4b8af4197cebdef16db1c47_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\edd49c94e4b8af4197cebdef16db1c47_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4128
    • C:\Windows\SysWOW64\mshta.exe
      "C:\Windows\SysWOW64\mshta.exe" "C:\Program Files (x86)\GFG.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Modifies Internet Explorer start page
      PID:3520
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c taskkill /im coiome.exe /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5032
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im coiome.exe /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2404
    • C:\Program Files (x86)\Common Files\sfbsbvy\coiome.exe
      "C:\Program Files (x86)\Common Files\sfbsbvy\coiome.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1048
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c sc delete JavaServe
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:244
        • C:\Windows\SysWOW64\sc.exe
          sc delete JavaServe
          4⤵
          • Launches sc.exe
          • System Location Discovery: System Language Discovery
          PID:2796
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c taskkill /im iejore.exe /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3124
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill /im iejore.exe /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:5096
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c taskkill /im conime.exe /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4724
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill /im conime.exe /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:3152
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c sc stop LYTC
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3068
        • C:\Windows\SysWOW64\sc.exe
          sc stop LYTC
          4⤵
          • Launches sc.exe
          • System Location Discovery: System Language Discovery
          PID:3468
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c attrib -h -s -r -a "%userprofile%\Cookies\*.*"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4912
        • C:\Windows\SysWOW64\attrib.exe
          attrib -h -s -r -a "C:\Users\Admin\Cookies\*.*"
          4⤵
          • System Location Discovery: System Language Discovery
          • Views/modifies file attributes
          PID:748
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c sc delete LYTC
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4776
        • C:\Windows\SysWOW64\sc.exe
          sc delete LYTC
          4⤵
          • Launches sc.exe
          • System Location Discovery: System Language Discovery
          PID:4728
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c attrib -h -s -r -a "%userprofile%\Local Settings\Temp\Cookies\*.*"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3980
        • C:\Windows\SysWOW64\attrib.exe
          attrib -h -s -r -a "C:\Users\Admin\Local Settings\Temp\Cookies\*.*"
          4⤵
          • System Location Discovery: System Language Discovery
          • Views/modifies file attributes
          PID:344
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c del /f /s /q "%userprofile%\Cookies\*.*
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3920
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c sc stop HidServ
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:536
        • C:\Windows\SysWOW64\sc.exe
          sc stop HidServ
          4⤵
          • Launches sc.exe
          • System Location Discovery: System Language Discovery
          PID:1556
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c del /f /s /q "%userprofile%\Local Settings\Temporary Internet Files\*.*"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3516
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c sc delete HidServ
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2456
        • C:\Windows\SysWOW64\sc.exe
          sc delete HidServ
          4⤵
          • Launches sc.exe
          • System Location Discovery: System Language Discovery
          PID:3460
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c del /f /s /q "%userprofile%\Local Settings\Temp\Cookies\*.*"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1988
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c cacls C:\Documents and Settings\All Users\Application Data\Storm\update\%SESSIONNAME%\*.* /e /p everyone:n
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3444
        • C:\Windows\SysWOW64\cacls.exe
          cacls C:\Documents and Settings\All Users\Application Data\Storm\update\Console\*.* /e /p everyone:n
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2320
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c del "C:\Users\Admin\AppData\Local\Temp\edd49c94e4b8af4197cebdef16db1c47_JaffaCakes118.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1756

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\Common Files\sfbsbvy\coiome.exe

    Filesize

    2.0MB

    MD5

    0616eab56666f242184ef474b47af7d5

    SHA1

    dc137353e027fd33acff4e75b4330f76c7a659d2

    SHA256

    8c632863566699a087671bd1ebeb487319f0529ba9e2ddad72cde517303bb58a

    SHA512

    352d3259a235f3d3d6975663b0165f58d8535db36f946e2aa6970d33f93ff65454bf58c4cd118cb4a9bf95c3f94c48dc6b7a7a61d20d74677efbe78929239ff5

  • C:\Program Files (x86)\GFG.hta

    Filesize

    785B

    MD5

    74ccbce1e5800180a01fb299767e310c

    SHA1

    5eee44303a3800e0ac31a103538dccfe4ffa57b2

    SHA256

    7c800551aa79c34f689c2d87e3b24c2bfaca0d2815538650abe445c3cb3a77ec

    SHA512

    581385678a72de017f99b41d565d5acd8b2ffa322e20ae9489803b6043fe6696ccab38c43ae5583afda73cb3f33b4fa33813c543ffb4e34b17394d1ec6fae6c8

  • memory/1048-11-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/1048-12-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/1048-13-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/4128-0-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/4128-6-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB