Analysis

  • max time kernel
    144s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/08/2024, 22:01

General

  • Target

    94e7ccde16fbf344d5e6f4cf48931368_JaffaCakes118.exe

  • Size

    18KB

  • MD5

    94e7ccde16fbf344d5e6f4cf48931368

  • SHA1

    fb8e7797bf2d6269b705cf67b25c0268561bad53

  • SHA256

    5804cab890ac0b252201ff021beaa43b9acb674fd094fe9c410fc3a028bff4be

  • SHA512

    ef62d41b3c924bf9e96e172eea8a8ab4df6d258eeb3b92b4bd5b7de5c8b3b870c1256b18f7167ef6c1f2a67f806972f4b46f1cd3d409a6028dc548611610efe1

  • SSDEEP

    384:q1mc1a9fcjyqKOTWtZ5VlJVhD4EA44MGjivKEaNJawcudoD7U9h:qmtui5bvSEAlvtnbcuyD7U9

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\94e7ccde16fbf344d5e6f4cf48931368_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\94e7ccde16fbf344d5e6f4cf48931368_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:4752
    • C:\Windows\SysWOW64\mshta.exe
      "C:\Windows\SysWOW64\mshta.exe" "C:\Program Files (x86)\WTM.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:116
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c taskkill /im coiome.exe /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2772
      • 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:744
    • 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:888
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c sc delete JavaServe
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4220
        • C:\Windows\SysWOW64\sc.exe
          sc delete JavaServe
          4⤵
          • Launches sc.exe
          • System Location Discovery: System Language Discovery
          PID:5112
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c taskkill /im iejore.exe /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2012
        • 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:4744
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c taskkill /im conime.exe /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3344
        • 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:4184
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c sc stop LYTC
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4324
        • C:\Windows\SysWOW64\sc.exe
          sc stop LYTC
          4⤵
          • Launches sc.exe
          • System Location Discovery: System Language Discovery
          PID:3224
      • 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:4984
        • 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:4868
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c sc delete LYTC
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5012
        • C:\Windows\SysWOW64\sc.exe
          sc delete LYTC
          4⤵
          • Launches sc.exe
          • System Location Discovery: System Language Discovery
          PID:2392
      • 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:4780
        • 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:3604
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c del /f /s /q "%userprofile%\Cookies\*.*
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3420
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c sc stop HidServ
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4420
        • C:\Windows\SysWOW64\sc.exe
          sc stop HidServ
          4⤵
          • Launches sc.exe
          • System Location Discovery: System Language Discovery
          PID:1504
      • 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:1076
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c sc delete HidServ
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2972
        • C:\Windows\SysWOW64\sc.exe
          sc delete HidServ
          4⤵
          • Launches sc.exe
          • System Location Discovery: System Language Discovery
          PID:2268
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c del /f /s /q "%userprofile%\Local Settings\Temp\Cookies\*.*"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2060
      • 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:3404
        • 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:2144
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c del "C:\Users\Admin\AppData\Local\Temp\94e7ccde16fbf344d5e6f4cf48931368_JaffaCakes118.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:5052

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    2.0MB

    MD5

    4267ae4488d101c265c0d94038665a6f

    SHA1

    8e4639c878c592e0e77382d307ca75a020749575

    SHA256

    0cf7769ebdab38120d646778fe7147b7462c9860b6e7f7b7805484c54ac5bc28

    SHA512

    7b9d0c8593e622826f906b32bc789c682ff6334acb6557c8ce66ec793c92013485a574136d2b0f0c96cb8f946279cb6dcf64809cbfe1b4eed6953681dbe6f11d

  • C:\Program Files (x86)\WTM.hta

    Filesize

    785B

    MD5

    74ccbce1e5800180a01fb299767e310c

    SHA1

    5eee44303a3800e0ac31a103538dccfe4ffa57b2

    SHA256

    7c800551aa79c34f689c2d87e3b24c2bfaca0d2815538650abe445c3cb3a77ec

    SHA512

    581385678a72de017f99b41d565d5acd8b2ffa322e20ae9489803b6043fe6696ccab38c43ae5583afda73cb3f33b4fa33813c543ffb4e34b17394d1ec6fae6c8

  • memory/888-11-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/888-12-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/888-13-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/4752-0-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/4752-6-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB