Analysis

  • max time kernel
    148s
  • 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
    22-01-2025 14:12

General

  • Target

    JaffaCakes118_0e66740a06368e3b53cd7782715e00bd.exe

  • Size

    102KB

  • MD5

    0e66740a06368e3b53cd7782715e00bd

  • SHA1

    1c14ac5e689bc2b3f14d1ce570fe1a36ffd5f551

  • SHA256

    0246a771c8c0a65ef52fff7a73a953e9441217b899d85370db17b86cdc42f776

  • SHA512

    f1941c87bac5da6507d53b39f6031c8262bc792d62501bd3ed491927237b6ac40ddcf76b4a3afa10d805609dbeb7542be583db2dcd2855872826d9dc54263678

  • SSDEEP

    1536:9u7qT961cNvuoIQTVuWed6k7DDCfdnlp+WJIYVE7jwaaHw7Koj4r:5Tg2vIufer7yfdn7pPqjwaaHw7Koj4r

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_0e66740a06368e3b53cd7782715e00bd.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0e66740a06368e3b53cd7782715e00bd.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3700
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      2⤵
        PID:1596
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1596 -s 204
          3⤵
          • Program crash
          PID:1152
      • 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:3428
        • 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:2324
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2324 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1452
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2324 CREDAT:17416 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4952
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        2⤵
          PID:4620
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4620 -s 204
            3⤵
            • Program crash
            PID:2652
        • 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:4300
          • C:\Program Files\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
            3⤵
            • Modifies Internet Explorer settings
            PID:3732
        • C:\Users\Admin\AppData\Local\Temp\dwliyfsgcfrmbxax.exe
          "C:\Users\Admin\AppData\Local\Temp\dwliyfsgcfrmbxax.exe"
          2⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:4960
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 1596 -ip 1596
        1⤵
          PID:1160
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 4620 -ip 4620
          1⤵
            PID:4924

          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

            2c48c73220d62a8faffe599e95896274

            SHA1

            452cd4222360fe7e881055d815ec65a2bbac564b

            SHA256

            35a3978f9dea3056b0c4a0a1945d785bb7a0022484782f414fa9ffa04f3d5967

            SHA512

            6547f2798297acc7ac11506328ef05f29074655f3e5a60adb188106c769806a2b1a8a15c7bd38c39da560df7df953798561398245667095536fc5748692cc9d8

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

            Filesize

            404B

            MD5

            dbd95731e8baf814cddc9c4646860c77

            SHA1

            2a7a438b225a8eae44463f12c96de06989ea797c

            SHA256

            8d3ed18a70278e0034e62399c4fc498a1248a17c8df7545bf1f99ed03c739080

            SHA512

            fd2941bb857e622b6a0bc61e16370260175f7768af0ee8953a5968ee61143ab926c7972faaa5c8be39d65e1f45f6d999c63ddf7d5e679c3566a58cb88d4b6a60

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8R55UT9S\suggestions[1].en-US

            Filesize

            17KB

            MD5

            5a34cb996293fde2cb7a4ac89587393a

            SHA1

            3c96c993500690d1a77873cd62bc639b3a10653f

            SHA256

            c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

            SHA512

            e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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

            Filesize

            102KB

            MD5

            0e66740a06368e3b53cd7782715e00bd

            SHA1

            1c14ac5e689bc2b3f14d1ce570fe1a36ffd5f551

            SHA256

            0246a771c8c0a65ef52fff7a73a953e9441217b899d85370db17b86cdc42f776

            SHA512

            f1941c87bac5da6507d53b39f6031c8262bc792d62501bd3ed491927237b6ac40ddcf76b4a3afa10d805609dbeb7542be583db2dcd2855872826d9dc54263678

          • memory/1596-8-0x00000000005B0000-0x00000000005B1000-memory.dmp

            Filesize

            4KB

          • memory/1596-9-0x0000000000590000-0x0000000000591000-memory.dmp

            Filesize

            4KB

          • memory/3700-7-0x0000000000400000-0x0000000000439764-memory.dmp

            Filesize

            229KB

          • memory/3700-4-0x00000000005D0000-0x00000000005D1000-memory.dmp

            Filesize

            4KB

          • memory/3700-10-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/3700-11-0x0000000000400000-0x0000000000439764-memory.dmp

            Filesize

            229KB

          • memory/3700-17-0x0000000077872000-0x0000000077873000-memory.dmp

            Filesize

            4KB

          • memory/3700-13-0x0000000000400000-0x0000000000439764-memory.dmp

            Filesize

            229KB

          • memory/3700-18-0x0000000000400000-0x0000000000439764-memory.dmp

            Filesize

            229KB

          • memory/3700-19-0x0000000000400000-0x0000000000439764-memory.dmp

            Filesize

            229KB

          • memory/3700-20-0x0000000077872000-0x0000000077873000-memory.dmp

            Filesize

            4KB

          • memory/3700-0-0x0000000000400000-0x0000000000439764-memory.dmp

            Filesize

            229KB

          • memory/3700-5-0x00000000005E0000-0x00000000005E1000-memory.dmp

            Filesize

            4KB

          • memory/3700-2-0x0000000000400000-0x0000000000439764-memory.dmp

            Filesize

            229KB

          • memory/3700-34-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/3700-1-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/4960-38-0x0000000000400000-0x0000000000439764-memory.dmp

            Filesize

            229KB

          • memory/4960-39-0x0000000000400000-0x000000000043A000-memory.dmp

            Filesize

            232KB

          • memory/4960-35-0x0000000000400000-0x0000000000439764-memory.dmp

            Filesize

            229KB