Analysis

  • max time kernel
    149s
  • 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
    24-01-2025 08:47

General

  • Target

    JaffaCakes118_1fc8a045d27bb49066562441be908997.exe

  • Size

    124KB

  • MD5

    1fc8a045d27bb49066562441be908997

  • SHA1

    a04b9dd5f27932f6cdb6ddfcecb36f15e73041ed

  • SHA256

    36d3b50ffe4f63ad56648c586d76b80094c625db7c2c0309b9848dd95972f123

  • SHA512

    9e4f2c7c535626fb1a9560229658966c1affba2d24652721905ee590cba338a9fb58ae1ff019a20a37e9596d78c000e263fc687c67f1219ded799d59b35b6cec

  • SSDEEP

    3072:vDSKiauBZz/DhceNw1OTw+XIU5jwaaHw7Koj4rBV:rSKbwhdcqYIhXNA

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_1fc8a045d27bb49066562441be908997.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fc8a045d27bb49066562441be908997.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:680
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      2⤵
        PID:3468
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3468 -s 208
          3⤵
          • Program crash
          PID:3824
      • 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:1612
        • 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:5056
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5056 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2564
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5056 CREDAT:17416 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4836
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        2⤵
          PID:3504
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3504 -s 208
            3⤵
            • Program crash
            PID:5008
        • 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:2380
          • C:\Program Files\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
            3⤵
            • Modifies Internet Explorer settings
            PID:4660
        • C:\Users\Admin\AppData\Local\Temp\aictshcvihjmgonp.exe
          "C:\Users\Admin\AppData\Local\Temp\aictshcvihjmgonp.exe"
          2⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:4980
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3468 -ip 3468
        1⤵
          PID:4912
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3504 -ip 3504
          1⤵
            PID:4380

          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

            badb570ff54c1ff669275882ceb5f4af

            SHA1

            c3684d464b1e228dbb8ac33aef04a2415a611144

            SHA256

            d88efb8232d007f4aaf2910009cdbfa06cf91e06dcc17b24513223505e23df22

            SHA512

            c687c90292042898a49ef64603fd0314707f7911b670e84f083d1f597babaecf269d0294703e78fc9bf0ea48c8304ec6e50f51f4a9f8e5d041ab10246a398bfc

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\PGH3GSHW\suggestions[1].en-US

            Filesize

            17KB

            MD5

            5a34cb996293fde2cb7a4ac89587393a

            SHA1

            3c96c993500690d1a77873cd62bc639b3a10653f

            SHA256

            c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

            SHA512

            e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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

            Filesize

            124KB

            MD5

            1fc8a045d27bb49066562441be908997

            SHA1

            a04b9dd5f27932f6cdb6ddfcecb36f15e73041ed

            SHA256

            36d3b50ffe4f63ad56648c586d76b80094c625db7c2c0309b9848dd95972f123

            SHA512

            9e4f2c7c535626fb1a9560229658966c1affba2d24652721905ee590cba338a9fb58ae1ff019a20a37e9596d78c000e263fc687c67f1219ded799d59b35b6cec

          • memory/680-10-0x0000000000400000-0x000000000043B000-memory.dmp

            Filesize

            236KB

          • memory/680-17-0x00000000773F2000-0x00000000773F3000-memory.dmp

            Filesize

            4KB

          • memory/680-0-0x0000000000400000-0x000000000043A20C-memory.dmp

            Filesize

            232KB

          • memory/680-4-0x00000000008F0000-0x00000000008F1000-memory.dmp

            Filesize

            4KB

          • memory/680-34-0x0000000000400000-0x000000000043B000-memory.dmp

            Filesize

            236KB

          • memory/680-11-0x0000000000400000-0x000000000043A20C-memory.dmp

            Filesize

            232KB

          • memory/680-13-0x0000000000400000-0x000000000043A20C-memory.dmp

            Filesize

            232KB

          • memory/680-6-0x0000000000400000-0x000000000043A20C-memory.dmp

            Filesize

            232KB

          • memory/680-18-0x0000000000400000-0x000000000043A20C-memory.dmp

            Filesize

            232KB

          • memory/680-19-0x0000000000400000-0x000000000043A20C-memory.dmp

            Filesize

            232KB

          • memory/680-20-0x00000000773F2000-0x00000000773F3000-memory.dmp

            Filesize

            4KB

          • memory/680-5-0x0000000000900000-0x0000000000901000-memory.dmp

            Filesize

            4KB

          • memory/680-2-0x0000000000400000-0x000000000043A20C-memory.dmp

            Filesize

            232KB

          • memory/680-1-0x0000000000400000-0x000000000043B000-memory.dmp

            Filesize

            236KB

          • memory/3468-9-0x00000000009D0000-0x00000000009D1000-memory.dmp

            Filesize

            4KB

          • memory/3468-8-0x00000000009F0000-0x00000000009F1000-memory.dmp

            Filesize

            4KB

          • memory/4980-37-0x0000000000400000-0x000000000043A20C-memory.dmp

            Filesize

            232KB

          • memory/4980-41-0x0000000000400000-0x000000000043B000-memory.dmp

            Filesize

            236KB

          • memory/4980-40-0x0000000000400000-0x000000000043A20C-memory.dmp

            Filesize

            232KB

          • memory/4980-35-0x0000000000400000-0x000000000043B000-memory.dmp

            Filesize

            236KB