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Analysis

  • max time kernel
    94s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/01/2025, 15:11

General

  • Target

    JaffaCakes118_0575f0df1ee321d86b6cd0fc3b5c01ea.exe

  • Size

    97KB

  • MD5

    0575f0df1ee321d86b6cd0fc3b5c01ea

  • SHA1

    ce8317c732f3aea23a9147c4a95a7b189c857ff0

  • SHA256

    5650241f11ce2b5ba60daf57c1ebdd7f4fc474bd665de8b584e20ae49eaee99b

  • SHA512

    e8d012e3aaaf79a7800a60f356604c115c72f67b345952f8babb59c2d80356a694e8b05c07b463c4d8ea5119629472540d1f720dc3263b74dee471e471579b4e

  • SSDEEP

    3072:RSovDE/VxvSumPXcmCahoxWjwaaHw7Koj4ruR:pDE/xmPwaL

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_0575f0df1ee321d86b6cd0fc3b5c01ea.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0575f0df1ee321d86b6cd0fc3b5c01ea.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4812
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      2⤵
        PID:624
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 624 -s 204
          3⤵
          • Program crash
          PID:4512
      • 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:3112
        • 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:1052
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1052 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:756
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1052 CREDAT:17416 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4544
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        2⤵
          PID:4840
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4840 -s 208
            3⤵
            • Program crash
            PID:2580
        • 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:916
          • C:\Program Files\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
            3⤵
            • Modifies Internet Explorer settings
            PID:3984
        • C:\Users\Admin\AppData\Local\Temp\khufspgvmckhlasl.exe
          "C:\Users\Admin\AppData\Local\Temp\khufspgvmckhlasl.exe"
          2⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:4896
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 624 -ip 624
        1⤵
          PID:4896
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4840 -ip 4840
          1⤵
            PID:1172

          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

            fbd57568c7e969025fd7a77d6a9e5f45

            SHA1

            d8c221556c7dbeb55cbfe80a3006b6578e2ae4bd

            SHA256

            b820d32dc781d4a3af1cc452d73d4f57e1d963da4cdec90cb0660837657c8328

            SHA512

            c8d4e5b78e01570d02f0953bd0ebd818ed2985dfc5006ba39ce101693f1bc9de8550b9149d3028911ec5c1371b813f0bc8391d10294e04022b52a91c3d47f5cf

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

            Filesize

            404B

            MD5

            ced096352082728cea28606ce2c25ad8

            SHA1

            c37bd594996f87e23e1f98fa30b8742294bdc6eb

            SHA256

            48d26b763298486a964d421bb82a1cd69639b221e577aaaea40fffaf07d6e7e6

            SHA512

            5e6fe6798882b7608edc754b3b4fbc9aa226052eefec46016b6dd92812b5b6030605c019163c2c15a645496faa622e45cddf9d7f464a69e2c3069dc4b71ea35f

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

            Filesize

            404B

            MD5

            283762e77d1c7b31d3b79b97e2ca94d3

            SHA1

            d0546a8c5ebbf0d20a046a9dfc0c64b1779bc711

            SHA256

            001a7045efd2d6a4bbbb24ef1e0a77ebd579fbf7c583b7a1ca51ea28c3bc6b09

            SHA512

            2520fb49c413eb76fc710e8cde746ea3facaa7bf25b996d957676420915b4dec75e75c8784d3f4501b773c835b22eaa091777ded922689f0671651d92ac81485

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\9MFSIIMR\suggestions[1].en-US

            Filesize

            17KB

            MD5

            5a34cb996293fde2cb7a4ac89587393a

            SHA1

            3c96c993500690d1a77873cd62bc639b3a10653f

            SHA256

            c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

            SHA512

            e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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

            Filesize

            97KB

            MD5

            0575f0df1ee321d86b6cd0fc3b5c01ea

            SHA1

            ce8317c732f3aea23a9147c4a95a7b189c857ff0

            SHA256

            5650241f11ce2b5ba60daf57c1ebdd7f4fc474bd665de8b584e20ae49eaee99b

            SHA512

            e8d012e3aaaf79a7800a60f356604c115c72f67b345952f8babb59c2d80356a694e8b05c07b463c4d8ea5119629472540d1f720dc3263b74dee471e471579b4e

          • memory/624-8-0x0000000000720000-0x0000000000721000-memory.dmp

            Filesize

            4KB

          • memory/624-9-0x0000000000700000-0x0000000000701000-memory.dmp

            Filesize

            4KB

          • memory/4812-18-0x0000000000400000-0x0000000000438F20-memory.dmp

            Filesize

            227KB

          • memory/4812-6-0x0000000000710000-0x0000000000711000-memory.dmp

            Filesize

            4KB

          • memory/4812-11-0x0000000000400000-0x0000000000438F20-memory.dmp

            Filesize

            227KB

          • memory/4812-17-0x00000000774E2000-0x00000000774E3000-memory.dmp

            Filesize

            4KB

          • memory/4812-14-0x0000000000400000-0x0000000000438F20-memory.dmp

            Filesize

            227KB

          • memory/4812-0-0x0000000000400000-0x0000000000438F20-memory.dmp

            Filesize

            227KB

          • memory/4812-20-0x00000000774E2000-0x00000000774E3000-memory.dmp

            Filesize

            4KB

          • memory/4812-19-0x0000000000400000-0x0000000000438F20-memory.dmp

            Filesize

            227KB

          • memory/4812-5-0x0000000000400000-0x0000000000438F20-memory.dmp

            Filesize

            227KB

          • memory/4812-10-0x0000000000400000-0x0000000000439000-memory.dmp

            Filesize

            228KB

          • memory/4812-4-0x0000000000700000-0x0000000000701000-memory.dmp

            Filesize

            4KB

          • memory/4812-37-0x0000000000400000-0x0000000000439000-memory.dmp

            Filesize

            228KB

          • memory/4812-1-0x0000000000400000-0x0000000000439000-memory.dmp

            Filesize

            228KB

          • memory/4812-2-0x0000000000400000-0x0000000000438F20-memory.dmp

            Filesize

            227KB

          • memory/4896-44-0x0000000000400000-0x0000000000439000-memory.dmp

            Filesize

            228KB

          • memory/4896-43-0x0000000000400000-0x0000000000438F20-memory.dmp

            Filesize

            227KB

          • memory/4896-38-0x0000000000550000-0x0000000000552000-memory.dmp

            Filesize

            8KB

          • memory/4896-39-0x0000000000400000-0x0000000000439000-memory.dmp

            Filesize

            228KB