Analysis

  • max time kernel
    94s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-01-2025 17:52

General

  • Target

    JaffaCakes118_19b67de987457b36a0a755369e3788fc.exe

  • Size

    120KB

  • MD5

    19b67de987457b36a0a755369e3788fc

  • SHA1

    1d3322cf26195bb5583525394f768445abc30eb8

  • SHA256

    8760dcd2ae5541c50a871d5f5e1e8a845fc5b7b65de693efe0ed641afd7502a5

  • SHA512

    22008dbd10dfce16ecd920a07df5970c623d872d14f18a0c2be30fea2822500accee459c7e2e88612c72a32353c27dd79e6d8f414ed3784823f3b5308486bfc6

  • SSDEEP

    3072:jgeWPCmabC3YUSlr6WzA9dLy/R5jwaaHw7Koj4r+uoT:c4PtUSlrdydm/tT

Malware Config

Signatures

  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Ramnit family
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 32 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_19b67de987457b36a0a755369e3788fc.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_19b67de987457b36a0a755369e3788fc.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4576
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      2⤵
        PID:4328
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4328 -s 204
          3⤵
          • Program crash
          PID:2220
      • C:\Program Files (x86)\Internet Explorer\iexplore.exe
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3972
        • C:\Program Files\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
          3⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4344
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4344 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1044
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4344 CREDAT:17416 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4388
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        2⤵
          PID:1492
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1492 -s 204
            3⤵
            • Program crash
            PID:2436
        • C:\Program Files (x86)\Internet Explorer\iexplore.exe
          "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
          2⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4660
          • C:\Program Files\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
            3⤵
            • Modifies Internet Explorer settings
            PID:4404
        • C:\Users\Admin\AppData\Local\Temp\vakmcnipimcbqleu.exe
          "C:\Users\Admin\AppData\Local\Temp\vakmcnipimcbqleu.exe"
          2⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:2204
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4328 -ip 4328
        1⤵
          PID:3616
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1492 -ip 1492
          1⤵
            PID:2248

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

            Filesize

            471B

            MD5

            dc142ff8759ecb81417ba231bbcf25d0

            SHA1

            201681d524cde8af5c11b5111f5fa697521c5739

            SHA256

            d6e2a573b1e137d8b823b82cfeaadeb30df36a0fa7a268a1278465b28fdc7bb6

            SHA512

            b36456cf3ef37e4bbe0e4acf8b25cc85a39f8517d1b80b3191b1be7ddc6d58c74247b2d9dedb0b67ac4f8a2f3d92773e90aee326cfe612f8573ba6ad6b73e833

          • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

            Filesize

            404B

            MD5

            5fea7d6a90c658bf7a6bf4251ef878a5

            SHA1

            e9dcb2a6cb7e9369fd8147701b53f80eb0089b3b

            SHA256

            1447f03c973e485bc5e417628b83780ea947ad02c8fad672e4c068c031eed72b

            SHA512

            32b7c59dbfff8f4f54cfccd20b1f734074fd13c4cfc2797488158e200b3bbca29b58f4321ea9e64322aff4673cd6c26a3868e94e98fe17fa7e398fcc33eb38d2

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\DQ67RYHS\suggestions[1].en-US

            Filesize

            17KB

            MD5

            5a34cb996293fde2cb7a4ac89587393a

            SHA1

            3c96c993500690d1a77873cd62bc639b3a10653f

            SHA256

            c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

            SHA512

            e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

          • C:\Users\Admin\AppData\Local\Temp\vakmcnipimcbqleu.exe

            Filesize

            120KB

            MD5

            19b67de987457b36a0a755369e3788fc

            SHA1

            1d3322cf26195bb5583525394f768445abc30eb8

            SHA256

            8760dcd2ae5541c50a871d5f5e1e8a845fc5b7b65de693efe0ed641afd7502a5

            SHA512

            22008dbd10dfce16ecd920a07df5970c623d872d14f18a0c2be30fea2822500accee459c7e2e88612c72a32353c27dd79e6d8f414ed3784823f3b5308486bfc6

          • memory/2204-40-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/2204-39-0x0000000000400000-0x0000000000439054-memory.dmp

            Filesize

            228KB

          • memory/2204-33-0x00000000008F0000-0x00000000008F2000-memory.dmp

            Filesize

            8KB

          • memory/2204-34-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/4328-9-0x0000000000770000-0x0000000000771000-memory.dmp

            Filesize

            4KB

          • memory/4328-8-0x0000000000790000-0x0000000000791000-memory.dmp

            Filesize

            4KB

          • memory/4576-10-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/4576-0-0x0000000000400000-0x0000000000439054-memory.dmp

            Filesize

            228KB

          • memory/4576-18-0x0000000000400000-0x0000000000439054-memory.dmp

            Filesize

            228KB

          • memory/4576-19-0x0000000000400000-0x0000000000439054-memory.dmp

            Filesize

            228KB

          • memory/4576-20-0x0000000077902000-0x0000000077903000-memory.dmp

            Filesize

            4KB

          • memory/4576-11-0x0000000000400000-0x0000000000439054-memory.dmp

            Filesize

            228KB

          • memory/4576-17-0x0000000077902000-0x0000000077903000-memory.dmp

            Filesize

            4KB

          • memory/4576-13-0x0000000000400000-0x0000000000439054-memory.dmp

            Filesize

            228KB

          • memory/4576-4-0x00000000008F0000-0x00000000008F1000-memory.dmp

            Filesize

            4KB

          • memory/4576-7-0x0000000000400000-0x0000000000439054-memory.dmp

            Filesize

            228KB

          • memory/4576-37-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/4576-5-0x0000000000900000-0x0000000000901000-memory.dmp

            Filesize

            4KB

          • memory/4576-2-0x0000000000400000-0x0000000000439054-memory.dmp

            Filesize

            228KB

          • memory/4576-1-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB