Analysis

  • max time kernel
    148s
  • 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
    02-01-2025 02:04

General

  • Target

    JaffaCakes118_61fe0a37b0de1bc3ce52aec777073cb9.dll

  • Size

    103KB

  • MD5

    61fe0a37b0de1bc3ce52aec777073cb9

  • SHA1

    d06c021be37a026bf9b9270806353fe9a1cfb254

  • SHA256

    a30632f77ef9942d20ca201115af2275e86e2cdc593f877b62c5b202ef44d4e7

  • SHA512

    9c4368d0df25ac5b96d1900f7a67419805f0df7a14d0a53c4c7f73cdf367462a9fd42bcf0943bf5f712aa6475eded42e5f26578d5e03ba415073d8fbc7d4bf5e

  • SSDEEP

    3072:RIVVK4jGRAMhi8lWODGuIkFRXMFn1hLjQW/:RIVVKefMhV0ODGuIKFMF1hLjQ

Malware Config

Signatures

  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Ramnit family
  • UAC bypass 3 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 8 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 5 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 49 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_61fe0a37b0de1bc3ce52aec777073cb9.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1948
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_61fe0a37b0de1bc3ce52aec777073cb9.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1664
      • C:\Users\Admin\AppData\Local\Temp\goMCn23
        "goMCn23"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2832
        • C:\Windows\SysWOW64\svchost.exe
          C:\Windows\system32\svchost.exe
          4⤵
            PID:5036
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 5036 -s 204
              5⤵
              • Program crash
              PID:1140
          • C:\Program Files (x86)\Internet Explorer\iexplore.exe
            "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:3088
            • C:\Program Files\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
              5⤵
              • Modifies Internet Explorer settings
              • Suspicious use of FindShellTrayWindow
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:2360
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2360 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:1436
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2360 CREDAT:17416 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:828
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            4⤵
              PID:1704
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 1704 -s 208
                5⤵
                • Program crash
                PID:3048
            • C:\Program Files (x86)\Internet Explorer\iexplore.exe
              "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
              4⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:3312
              • C:\Program Files\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
                5⤵
                • Modifies Internet Explorer settings
                PID:2824
            • C:\Users\Admin\AppData\Local\Temp\rpjsulbanforladp.exe
              "C:\Users\Admin\AppData\Local\Temp\rpjsulbanforladp.exe" elevate
              4⤵
              • Checks computer location settings
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:4328
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /C ""C:\Users\Admin\AppData\Local\Temp\rpjsulbanforladp.exe"" admin
                5⤵
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:2836
                • C:\Users\Admin\AppData\Local\Temp\rpjsulbanforladp.exe
                  "C:\Users\Admin\AppData\Local\Temp\rpjsulbanforladp.exe" admin
                  6⤵
                  • UAC bypass
                  • Executes dropped EXE
                  • Checks whether UAC is enabled
                  • Suspicious use of AdjustPrivilegeToken
                  • System policy modification
                  PID:588
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1664 -s 640
            3⤵
            • Program crash
            PID:5076
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5036 -ip 5036
        1⤵
          PID:4504
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1664 -ip 1664
          1⤵
            PID:4312
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1704 -ip 1704
            1⤵
              PID:3936

            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

              30f59b20e935520badc298242cb4cff1

              SHA1

              00622b2054eb148a8459c2ccd0b22606c2d5c7f6

              SHA256

              4a981d199e551f2b8c8fa22f0e3fbc264e876e5ed243d83331b2a6083a753e3c

              SHA512

              f22ca09eb3266cee3f363e4f3f955745382679d136d61e7c27f81081cd77efa5f82f82220526928f73049e692b7c060f64032dfae0f967c579c6e6acfd2e8d21

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

              Filesize

              404B

              MD5

              247d6fb9361944b1611736eda24d0f9a

              SHA1

              765b8121e5c7c5ec49637d51d3f495773633fdae

              SHA256

              0e1118a1469b95f55158aaf5b59eb074ee0d7e5ab0e2dc44e5b323996ba514bc

              SHA512

              e04b88e41c9639ae2ccecedc4e7b3db0210b104f782306c6a03f5cab040fdf32e66957e0555efc8646d214c39d9e827febfd6eaef11f2dc3d447dd7cdcb86e4b

            • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver1364.tmp

              Filesize

              15KB

              MD5

              1a545d0052b581fbb2ab4c52133846bc

              SHA1

              62f3266a9b9925cd6d98658b92adec673cbe3dd3

              SHA256

              557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

              SHA512

              bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

            • 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\goMCn23

              Filesize

              91KB

              MD5

              e9639538d169c463914f6b2940eae754

              SHA1

              9d4fcf5d5cf2dcfb1ec07be9861b946f81f91647

              SHA256

              d36631b46cdce695237f408057ca3463a2487a9a9a32887e8b5001ff50c0718d

              SHA512

              b8b708a2ebcec4897ce27c97caf79105f0500937f0ec716f72aefa675968479645c0c5ddf8aa73ee7d12ff4ed565a53436902c7a1477c007bd2ce21a14d0fb21

            • memory/588-49-0x0000000000400000-0x000000000043A000-memory.dmp

              Filesize

              232KB

            • memory/1664-3-0x000000005F302000-0x000000005F303000-memory.dmp

              Filesize

              4KB

            • memory/1664-5-0x000000005F300000-0x000000005F31D000-memory.dmp

              Filesize

              116KB

            • memory/1664-0-0x0000000002830000-0x0000000002831000-memory.dmp

              Filesize

              4KB

            • memory/2832-9-0x00000000004C0000-0x00000000004C1000-memory.dmp

              Filesize

              4KB

            • memory/2832-20-0x0000000077902000-0x0000000077903000-memory.dmp

              Filesize

              4KB

            • memory/2832-17-0x0000000000400000-0x000000000043A000-memory.dmp

              Filesize

              232KB

            • memory/2832-21-0x0000000000400000-0x000000000043A000-memory.dmp

              Filesize

              232KB

            • memory/2832-23-0x0000000077902000-0x0000000077903000-memory.dmp

              Filesize

              4KB

            • memory/2832-22-0x0000000000400000-0x000000000043A000-memory.dmp

              Filesize

              232KB

            • memory/2832-12-0x0000000000400000-0x000000000043A000-memory.dmp

              Filesize

              232KB

            • memory/2832-10-0x00000000006B0000-0x00000000006B1000-memory.dmp

              Filesize

              4KB

            • memory/2832-6-0x0000000000400000-0x000000000043A000-memory.dmp

              Filesize

              232KB

            • memory/4328-44-0x0000000000400000-0x000000000043A000-memory.dmp

              Filesize

              232KB

            • memory/5036-13-0x00000000006B0000-0x00000000006B1000-memory.dmp

              Filesize

              4KB

            • memory/5036-14-0x00000000003F0000-0x00000000003F1000-memory.dmp

              Filesize

              4KB