Resubmissions

12-01-2025 09:07

250112-k3k8csykbk 10

12-01-2025 08:53

250112-ktswvavqct 10

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
    12-01-2025 08:53

General

  • Target

    JaffaCakes118_0a95aeed41ba2829ff00fe084c8b411a.exe

  • Size

    111KB

  • MD5

    0a95aeed41ba2829ff00fe084c8b411a

  • SHA1

    21f13313fa983dcd05e70f4edd9af22bd0ed8c8c

  • SHA256

    72f2eae606cdb0f643e734c0f78ff1b42623a41acfd494f9efc3f130472472a8

  • SHA512

    e1de76ad168c5a2b338d517120f09189366cf5114691b41ffc571e314d65cf19142438259b85dd73f9eafeefdbeb3a13010ca1ad93c0d0dc6a2206b3736868f1

  • SSDEEP

    3072:fikf9bf3nviCdCRqOix4J2vNbGfvGnd3gW5ZM4/uL:XdqCoR0NdndPZMT

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 38 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_0a95aeed41ba2829ff00fe084c8b411a.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0a95aeed41ba2829ff00fe084c8b411a.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4056
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      2⤵
        PID:1304
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1304 -s 204
          3⤵
          • Program crash
          PID:4416
      • 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:1460
        • 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:112
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:112 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:3696
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:112 CREDAT:17416 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2816
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        2⤵
          PID:1492
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1492 -s 204
            3⤵
            • Program crash
            PID:996
        • 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:968
          • C:\Program Files\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
            3⤵
            • Modifies Internet Explorer settings
            PID:2424
        • C:\Users\Admin\AppData\Local\Temp\nhopjeqdsnvifeqx.exe
          "C:\Users\Admin\AppData\Local\Temp\nhopjeqdsnvifeqx.exe"
          2⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:2376
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1304 -ip 1304
        1⤵
          PID:736
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1492 -ip 1492
          1⤵
            PID:2772

          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

            05a55aacc33432fec9fea490f5c69442

            SHA1

            bd2dd697d6e49290ff51f6f8e2db9bde87e72860

            SHA256

            65d742646568766a452eafac7bd80d140b7acfcedb5cd55923fbcc0f3cd2fa43

            SHA512

            91aa6dc1cb9632f1b9fec82da928a3e49d5531298e264228eba79ae38d530377a78af5f0beef9763d7d624acbdbe93bfffff4caf5b8dc29fa4d9b8d01514e5a5

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

            Filesize

            404B

            MD5

            ad5a379b9e4d8861cfbdbb14afcdff5b

            SHA1

            ea55df1bd23b30502ec127c8837c2bf163ba270a

            SHA256

            096bcf8467973d9aa75d6b7f2a337d7ba186b48cbea6059ed802dbd2f48f7ec3

            SHA512

            16769b68a27ee8c847b50afdd399a128dab4ee04a06b0e2caf8595ecc26f59bdde9c14201adff2a9a4866d7c886abe9c0d1e7188d897156749211e350b0e5082

          • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver4159.tmp

            Filesize

            15KB

            MD5

            1a545d0052b581fbb2ab4c52133846bc

            SHA1

            62f3266a9b9925cd6d98658b92adec673cbe3dd3

            SHA256

            557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

            SHA512

            bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\6IJLDY7V\suggestions[1].en-US

            Filesize

            17KB

            MD5

            5a34cb996293fde2cb7a4ac89587393a

            SHA1

            3c96c993500690d1a77873cd62bc639b3a10653f

            SHA256

            c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

            SHA512

            e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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

            Filesize

            111KB

            MD5

            0a95aeed41ba2829ff00fe084c8b411a

            SHA1

            21f13313fa983dcd05e70f4edd9af22bd0ed8c8c

            SHA256

            72f2eae606cdb0f643e734c0f78ff1b42623a41acfd494f9efc3f130472472a8

            SHA512

            e1de76ad168c5a2b338d517120f09189366cf5114691b41ffc571e314d65cf19142438259b85dd73f9eafeefdbeb3a13010ca1ad93c0d0dc6a2206b3736868f1

          • memory/1304-9-0x0000000000A10000-0x0000000000A11000-memory.dmp

            Filesize

            4KB

          • memory/1304-8-0x0000000000A30000-0x0000000000A31000-memory.dmp

            Filesize

            4KB

          • memory/2376-45-0x0000000000400000-0x0000000000437CC4-memory.dmp

            Filesize

            223KB

          • memory/2376-44-0x000000000042A000-0x0000000000438000-memory.dmp

            Filesize

            56KB

          • memory/4056-6-0x0000000000400000-0x0000000000437CC4-memory.dmp

            Filesize

            223KB

          • memory/4056-13-0x0000000000400000-0x0000000000437CC4-memory.dmp

            Filesize

            223KB

          • memory/4056-16-0x00000000778A2000-0x00000000778A3000-memory.dmp

            Filesize

            4KB

          • memory/4056-17-0x0000000000400000-0x0000000000437CC4-memory.dmp

            Filesize

            223KB

          • memory/4056-18-0x0000000000400000-0x0000000000437CC4-memory.dmp

            Filesize

            223KB

          • memory/4056-19-0x00000000778A2000-0x00000000778A3000-memory.dmp

            Filesize

            4KB

          • memory/4056-11-0x0000000000400000-0x0000000000437CC4-memory.dmp

            Filesize

            223KB

          • memory/4056-10-0x000000000042A000-0x0000000000438000-memory.dmp

            Filesize

            56KB

          • memory/4056-0-0x0000000000400000-0x0000000000437CC4-memory.dmp

            Filesize

            223KB

          • memory/4056-5-0x00000000021A0000-0x00000000021A1000-memory.dmp

            Filesize

            4KB

          • memory/4056-3-0x0000000000400000-0x0000000000437CC4-memory.dmp

            Filesize

            223KB

          • memory/4056-2-0x0000000000400000-0x0000000000437CC4-memory.dmp

            Filesize

            223KB

          • memory/4056-1-0x000000000042A000-0x0000000000438000-memory.dmp

            Filesize

            56KB