Analysis

  • max time kernel
    93s
  • max time network
    148s
  • 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 13:31

General

  • Target

    JaffaCakes118_0e1928f97542a355a4eac3aead664c94.exe

  • Size

    84KB

  • MD5

    0e1928f97542a355a4eac3aead664c94

  • SHA1

    cd38820d01c4a89c2e17eda23f518d1e386754de

  • SHA256

    a6004de02035ce20034b292787c80692d1af9ed5d3a10cfa4e4a2b7489c863e3

  • SHA512

    3b72f5bfe9a77d2fefcd961d853dc3cc842408f200809ee860dc82b369803658a8949edb2342577eefea414837c3fb99a8f8176f846265c8db7f8c194533ccd4

  • SSDEEP

    1536:/lQJV118phhU8PjLFdrqjciFioShImrN+ePb3Gy7JpoLeesi12bZHgwBr4/JqPE0:2V118LiOOj8ZhVrNPPDR7YLeri1YZHgI

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_0e1928f97542a355a4eac3aead664c94.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0e1928f97542a355a4eac3aead664c94.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3292
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      2⤵
        PID:2300
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2300 -s 204
          3⤵
          • Program crash
          PID:5108
      • 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:1072
        • 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:3056
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3056 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2156
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3056 CREDAT:17416 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1692
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        2⤵
          PID:4544
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4544 -s 208
            3⤵
            • Program crash
            PID:2656
        • 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:1808
          • C:\Program Files\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
            3⤵
            • Modifies Internet Explorer settings
            PID:2608
        • C:\Users\Admin\AppData\Local\Temp\pvhwbgclerhvyfyx.exe
          "C:\Users\Admin\AppData\Local\Temp\pvhwbgclerhvyfyx.exe"
          2⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:2572
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2300 -ip 2300
        1⤵
          PID:1076
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4544 -ip 4544
          1⤵
            PID:1460

          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

            c274f87b9dc521f4bd78c67be73a027d

            SHA1

            0984fae495a08236dec7198f55c873d4a124c050

            SHA256

            79eb833a3ad4e82b4b2f59f70da174386fa8efb6c2706d8156c541af9064ea20

            SHA512

            936cee8d0ffb12ed25e68c7c2bb028f3d5337c50662e1be83d835c2eca0614fc84fdc97a963614b8bef3754a08efbfd716ee6cf66afd20f283da0fd62ff3f18a

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0BHOTC3C\suggestions[1].en-US

            Filesize

            17KB

            MD5

            5a34cb996293fde2cb7a4ac89587393a

            SHA1

            3c96c993500690d1a77873cd62bc639b3a10653f

            SHA256

            c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

            SHA512

            e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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

            Filesize

            84KB

            MD5

            0e1928f97542a355a4eac3aead664c94

            SHA1

            cd38820d01c4a89c2e17eda23f518d1e386754de

            SHA256

            a6004de02035ce20034b292787c80692d1af9ed5d3a10cfa4e4a2b7489c863e3

            SHA512

            3b72f5bfe9a77d2fefcd961d853dc3cc842408f200809ee860dc82b369803658a8949edb2342577eefea414837c3fb99a8f8176f846265c8db7f8c194533ccd4

          • memory/2300-8-0x0000000000730000-0x0000000000731000-memory.dmp

            Filesize

            4KB

          • memory/2300-7-0x0000000000750000-0x0000000000751000-memory.dmp

            Filesize

            4KB

          • memory/2572-38-0x0000000000400000-0x0000000000438000-memory.dmp

            Filesize

            224KB

          • memory/2572-35-0x0000000000400000-0x0000000000438000-memory.dmp

            Filesize

            224KB

          • memory/3292-15-0x0000000077192000-0x0000000077193000-memory.dmp

            Filesize

            4KB

          • memory/3292-11-0x0000000000400000-0x0000000000438000-memory.dmp

            Filesize

            224KB

          • memory/3292-16-0x0000000000400000-0x0000000000438000-memory.dmp

            Filesize

            224KB

          • memory/3292-17-0x0000000000400000-0x0000000000438000-memory.dmp

            Filesize

            224KB

          • memory/3292-18-0x0000000077192000-0x0000000077193000-memory.dmp

            Filesize

            4KB

          • memory/3292-0-0x0000000000400000-0x0000000000438000-memory.dmp

            Filesize

            224KB

          • memory/3292-9-0x0000000000400000-0x0000000000438000-memory.dmp

            Filesize

            224KB

          • memory/3292-5-0x0000000000400000-0x0000000000438000-memory.dmp

            Filesize

            224KB

          • memory/3292-3-0x00000000004E0000-0x00000000004E1000-memory.dmp

            Filesize

            4KB

          • memory/3292-4-0x00000000004F0000-0x00000000004F1000-memory.dmp

            Filesize

            4KB

          • memory/3292-1-0x0000000000400000-0x0000000000438000-memory.dmp

            Filesize

            224KB