Analysis

  • max time kernel
    94s
  • max time network
    142s
  • 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 00:28

General

  • Target

    JaffaCakes118_12456d4146631de53c6a68bc339648c7.exe

  • Size

    100KB

  • MD5

    12456d4146631de53c6a68bc339648c7

  • SHA1

    f667bd747bbdb85572cc44b5c5b66967582cc87e

  • SHA256

    e3ef8c192217283976df60ce73210d67643c66fbff3a2d2c1fb8ba1a41edb3b0

  • SHA512

    fb7fc8b87a8d9eb2592c75607eb2c0262fb0d8dd47bf242688834f9cfa8cb2d8b07a01a167d69f311b37109f2b604f284107467fab60b33eab31532893aeabf3

  • SSDEEP

    3072:PIV+RlGM9K85rbyIxlPRBzgzXn/EU5jwaaHw7Koj4rH:AkPGM8QyIxl3sRg

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_12456d4146631de53c6a68bc339648c7.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_12456d4146631de53c6a68bc339648c7.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1052
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      2⤵
        PID:4564
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4564 -s 204
          3⤵
          • Program crash
          PID:3132
      • 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:3196
        • 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:3984
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3984 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2132
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3984 CREDAT:17416 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4440
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        2⤵
          PID:1624
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1624 -s 208
            3⤵
            • Program crash
            PID:4844
        • 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:4980
          • C:\Program Files\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
            3⤵
            • Modifies Internet Explorer settings
            PID:2612
        • C:\Users\Admin\AppData\Local\Temp\esteorbniupdrdgg.exe
          "C:\Users\Admin\AppData\Local\Temp\esteorbniupdrdgg.exe"
          2⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:388
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4564 -ip 4564
        1⤵
          PID:3760
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1624 -ip 1624
          1⤵
            PID:436

          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

            e4cf1c9a9fe87a73c64839af3e3ea51d

            SHA1

            9cf819a04f32c34a6511bd789f3e0ace88516515

            SHA256

            82f5e04f95493ca27ef14a04d744967c450cdd36a3fd4ecad45cdf7b4674f021

            SHA512

            374cb853ffa4132959d92ba811f7d66e410e8175dc4f8a08388b6dbbbcb467bb61540a654127fbae20795fd732aea0cc2dc107e92ff79ba85760ca509aca637a

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\M6JHG9EK\suggestions[1].en-US

            Filesize

            17KB

            MD5

            5a34cb996293fde2cb7a4ac89587393a

            SHA1

            3c96c993500690d1a77873cd62bc639b3a10653f

            SHA256

            c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

            SHA512

            e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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

            Filesize

            100KB

            MD5

            12456d4146631de53c6a68bc339648c7

            SHA1

            f667bd747bbdb85572cc44b5c5b66967582cc87e

            SHA256

            e3ef8c192217283976df60ce73210d67643c66fbff3a2d2c1fb8ba1a41edb3b0

            SHA512

            fb7fc8b87a8d9eb2592c75607eb2c0262fb0d8dd47bf242688834f9cfa8cb2d8b07a01a167d69f311b37109f2b604f284107467fab60b33eab31532893aeabf3

          • memory/388-40-0x0000000000400000-0x000000000043B000-memory.dmp

            Filesize

            236KB

          • memory/388-41-0x0000000000400000-0x000000000043A270-memory.dmp

            Filesize

            232KB

          • memory/388-35-0x0000000000400000-0x000000000043B000-memory.dmp

            Filesize

            236KB

          • memory/388-36-0x0000000000400000-0x000000000043A270-memory.dmp

            Filesize

            232KB

          • memory/1052-34-0x0000000000400000-0x000000000043B000-memory.dmp

            Filesize

            236KB

          • memory/1052-10-0x0000000000400000-0x000000000043B000-memory.dmp

            Filesize

            236KB

          • memory/1052-16-0x0000000077572000-0x0000000077573000-memory.dmp

            Filesize

            4KB

          • memory/1052-13-0x0000000000400000-0x000000000043A270-memory.dmp

            Filesize

            232KB

          • memory/1052-18-0x0000000000400000-0x000000000043A270-memory.dmp

            Filesize

            232KB

          • memory/1052-19-0x0000000000400000-0x000000000043A270-memory.dmp

            Filesize

            232KB

          • memory/1052-20-0x0000000077572000-0x0000000077573000-memory.dmp

            Filesize

            4KB

          • memory/1052-11-0x0000000000400000-0x000000000043A270-memory.dmp

            Filesize

            232KB

          • memory/1052-1-0x0000000000400000-0x000000000043B000-memory.dmp

            Filesize

            236KB

          • memory/1052-2-0x0000000000400000-0x000000000043A270-memory.dmp

            Filesize

            232KB

          • memory/1052-0-0x0000000000400000-0x000000000043A270-memory.dmp

            Filesize

            232KB

          • memory/1052-7-0x0000000000400000-0x000000000043A270-memory.dmp

            Filesize

            232KB

          • memory/1052-5-0x00000000005C0000-0x00000000005C1000-memory.dmp

            Filesize

            4KB

          • memory/1052-4-0x00000000005B0000-0x00000000005B1000-memory.dmp

            Filesize

            4KB

          • memory/4564-9-0x0000000000E80000-0x0000000000E81000-memory.dmp

            Filesize

            4KB

          • memory/4564-8-0x0000000000EA0000-0x0000000000EA1000-memory.dmp

            Filesize

            4KB