Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-01-2025 01:12

General

  • Target

    JaffaCakes118_313f59df0976b103e198e837cdc80969.exe

  • Size

    112KB

  • MD5

    313f59df0976b103e198e837cdc80969

  • SHA1

    11169c133459240004bb5276389fd53ec2bcd046

  • SHA256

    832269b9ce94e7b48f81dc7d4cc1c7214e5cbb8176c0e5778da0b9d5ecad1315

  • SHA512

    a0b0a920bb25ba270812946f4a0f48f8326a9ebe69164ee586e7c330a1a1e51528bb053b26fa5f8cfc42bd80895877ecaf49c459325d9f80c63e5bd421e3a89b

  • SSDEEP

    3072:vDSKiauBZz/DhceNw1OTw+XIU5jwaaHw7Koj4rBT:rSKbwhdcqYIhXNAT

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_313f59df0976b103e198e837cdc80969.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_313f59df0976b103e198e837cdc80969.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4716
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      2⤵
        PID:4640
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4640 -s 208
          3⤵
          • Program crash
          PID:4344
      • 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:3232
        • 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:3648
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3648 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4916
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3648 CREDAT:17416 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:3672
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        2⤵
          PID:5096
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 5096 -s 208
            3⤵
            • Program crash
            PID:2644
        • 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:2164
          • C:\Program Files\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
            3⤵
            • Modifies Internet Explorer settings
            PID:3868
        • C:\Users\Admin\AppData\Local\Temp\dvmyeudirstqvxpv.exe
          "C:\Users\Admin\AppData\Local\Temp\dvmyeudirstqvxpv.exe"
          2⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:1904
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4640 -ip 4640
        1⤵
          PID:4432
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 5096 -ip 5096
          1⤵
            PID:2028

          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

            e65df85bed59dcdd6d3b7e9ff6d83f91

            SHA1

            7a960f472f0bdbd9c2801571001d7f8002a698d0

            SHA256

            8e1c012d62099e1effdd30982d30f2d91bd25dca27f230b13d74531ede846201

            SHA512

            e0a111bc33760f3957ca88c4cdc2aa7b8418ce73062eed31939b07b94fc0ecef022135ca93381c47b71a7c43c0c1357025f0e5d72a3348b2ef3de0c81cef38c4

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

            Filesize

            404B

            MD5

            5dcd22af8d079ae594bfaa421af4cab9

            SHA1

            8ab92e3a50cc0c04c649b6cc2e01164afc7898ea

            SHA256

            1418e14bcc89abb3a978c1d55e81e3dd2f14d6ec1f19a79d099f6ef682d281aa

            SHA512

            9d6bc56cf919c8d438f592478dd44dfb748a4335a6316a81877826fac75af9fdfaebb779b7fa4716e72e408a868a871c687ca5196cf8306fcb5263ce66d8fce4

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VKYZDMA5\suggestions[1].en-US

            Filesize

            17KB

            MD5

            5a34cb996293fde2cb7a4ac89587393a

            SHA1

            3c96c993500690d1a77873cd62bc639b3a10653f

            SHA256

            c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

            SHA512

            e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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

            Filesize

            112KB

            MD5

            313f59df0976b103e198e837cdc80969

            SHA1

            11169c133459240004bb5276389fd53ec2bcd046

            SHA256

            832269b9ce94e7b48f81dc7d4cc1c7214e5cbb8176c0e5778da0b9d5ecad1315

            SHA512

            a0b0a920bb25ba270812946f4a0f48f8326a9ebe69164ee586e7c330a1a1e51528bb053b26fa5f8cfc42bd80895877ecaf49c459325d9f80c63e5bd421e3a89b

          • memory/1904-40-0x0000000000400000-0x000000000043B000-memory.dmp

            Filesize

            236KB

          • memory/1904-41-0x0000000000400000-0x000000000043A20C-memory.dmp

            Filesize

            232KB

          • memory/1904-35-0x0000000000400000-0x000000000043B000-memory.dmp

            Filesize

            236KB

          • memory/1904-36-0x0000000000400000-0x000000000043A20C-memory.dmp

            Filesize

            232KB

          • memory/4640-8-0x0000000000120000-0x0000000000121000-memory.dmp

            Filesize

            4KB

          • memory/4640-9-0x0000000000100000-0x0000000000101000-memory.dmp

            Filesize

            4KB

          • memory/4716-18-0x0000000000400000-0x000000000043A20C-memory.dmp

            Filesize

            232KB

          • memory/4716-10-0x0000000000400000-0x000000000043B000-memory.dmp

            Filesize

            236KB

          • memory/4716-0-0x0000000000400000-0x000000000043A20C-memory.dmp

            Filesize

            232KB

          • memory/4716-19-0x0000000000400000-0x000000000043A20C-memory.dmp

            Filesize

            232KB

          • memory/4716-20-0x0000000077192000-0x0000000077193000-memory.dmp

            Filesize

            4KB

          • memory/4716-17-0x0000000077192000-0x0000000077193000-memory.dmp

            Filesize

            4KB

          • memory/4716-11-0x0000000000400000-0x000000000043A20C-memory.dmp

            Filesize

            232KB

          • memory/4716-13-0x0000000000400000-0x000000000043A20C-memory.dmp

            Filesize

            232KB

          • memory/4716-34-0x0000000000400000-0x000000000043B000-memory.dmp

            Filesize

            236KB

          • memory/4716-6-0x0000000000400000-0x000000000043A20C-memory.dmp

            Filesize

            232KB

          • memory/4716-5-0x0000000000900000-0x0000000000901000-memory.dmp

            Filesize

            4KB

          • memory/4716-4-0x00000000008F0000-0x00000000008F1000-memory.dmp

            Filesize

            4KB

          • memory/4716-2-0x0000000000400000-0x000000000043A20C-memory.dmp

            Filesize

            232KB

          • memory/4716-1-0x0000000000400000-0x000000000043B000-memory.dmp

            Filesize

            236KB