Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/10/2024, 17:58

General

  • Target

    0ff9f737dcdaa4b48bb4a46d589c5cdd_JaffaCakes118.dll

  • Size

    560KB

  • MD5

    0ff9f737dcdaa4b48bb4a46d589c5cdd

  • SHA1

    428d16ab0db225e0430f5214fbeba6627422d4f6

  • SHA256

    f8b5ebfaccb0631a91978a65ea792564d5170cfc0005daa12efb8c5ad1b8ac55

  • SHA512

    b82dea2eba004f9f62f3085109d23b8b7d9a2463dd658e29c1b0c0874a1def6f601d7a1f392f177f4e3a7053470d973cd1406a832b8cbffcfaa432ab71a55472

  • SSDEEP

    6144:TZLT3A5Dp0HvFIc5vBlcQGSgS62iiiiiSySYSGS+8c8c8AAANA/AA0fMG8gPhclv:TZL7A5l0711g8on8OcWulHXWNchVv

Malware Config

Signatures

  • Ramnit

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

  • 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\0ff9f737dcdaa4b48bb4a46d589c5cdd_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4604
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\0ff9f737dcdaa4b48bb4a46d589c5cdd_JaffaCakes118.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3332
      • C:\Users\Admin\AppData\Local\Temp\6xDn2t3
        "6xDn2t3"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3968
        • C:\Windows\SysWOW64\svchost.exe
          C:\Windows\system32\svchost.exe
          4⤵
            PID:2684
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2684 -s 204
              5⤵
              • Program crash
              PID:4756
          • 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:2440
            • 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:3360
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3360 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:4832
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3360 CREDAT:17416 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:2280
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            4⤵
              PID:816
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 816 -s 204
                5⤵
                • Program crash
                PID:2076
            • 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:520
              • C:\Program Files\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
                5⤵
                • Modifies Internet Explorer settings
                PID:1236
            • C:\Users\Admin\AppData\Local\Temp\qbklissydnfiejwe.exe
              "C:\Users\Admin\AppData\Local\Temp\qbklissydnfiejwe.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:2288
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /C ""C:\Users\Admin\AppData\Local\Temp\qbklissydnfiejwe.exe"" admin
                5⤵
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:4324
                • C:\Users\Admin\AppData\Local\Temp\qbklissydnfiejwe.exe
                  "C:\Users\Admin\AppData\Local\Temp\qbklissydnfiejwe.exe" admin
                  6⤵
                  • UAC bypass
                  • Executes dropped EXE
                  • Checks whether UAC is enabled
                  • Suspicious use of AdjustPrivilegeToken
                  • System policy modification
                  PID:640
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3332 -s 624
            3⤵
            • Program crash
            PID:3224
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3332 -ip 3332
        1⤵
          PID:4836
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2684 -ip 2684
          1⤵
            PID:644
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 816 -ip 816
            1⤵
              PID:3084

            Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

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                  Downloads

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

                    Filesize

                    471B

                    MD5

                    6de4427d02d49cee2c46a8fead1fafa8

                    SHA1

                    bee49bf0e4452ca72442face8e655bf4a8c3af17

                    SHA256

                    46d5cd7ff558e5c788807eb674587359c6a660cef091eb420676977e49833d53

                    SHA512

                    c80311bb92f9f49de96d06e9a76a3ef0310365999f00f401fd003d438b66744a88f093b5887e1723c6b8179798697ec24c4b2bda489323337f6cec6d28ef6434

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

                    Filesize

                    404B

                    MD5

                    06af68d60ea28819aa19b5629c019225

                    SHA1

                    218bdc658beae29ba7a119dbb526f1c588826fce

                    SHA256

                    e48523fc37b0a63f0381d8f66b1acba93c55654dc21bd990bda5a9001875621d

                    SHA512

                    dbabf0ea1bc1cbbba8936c8baf2773c186c355d9c83f12e1be4f64369b6caebbfac43500a3582bf1a49ae358dea187e0e0d044c7c4bfd897a1aa47bf8f5fdf25

                  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verFCA0.tmp

                    Filesize

                    15KB

                    MD5

                    1a545d0052b581fbb2ab4c52133846bc

                    SHA1

                    62f3266a9b9925cd6d98658b92adec673cbe3dd3

                    SHA256

                    557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

                    SHA512

                    bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

                  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\IFM58U6K\suggestions[1].en-US

                    Filesize

                    17KB

                    MD5

                    5a34cb996293fde2cb7a4ac89587393a

                    SHA1

                    3c96c993500690d1a77873cd62bc639b3a10653f

                    SHA256

                    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

                    SHA512

                    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

                  • C:\Users\Admin\AppData\Local\Temp\6xDn2t3

                    Filesize

                    91KB

                    MD5

                    e9639538d169c463914f6b2940eae754

                    SHA1

                    9d4fcf5d5cf2dcfb1ec07be9861b946f81f91647

                    SHA256

                    d36631b46cdce695237f408057ca3463a2487a9a9a32887e8b5001ff50c0718d

                    SHA512

                    b8b708a2ebcec4897ce27c97caf79105f0500937f0ec716f72aefa675968479645c0c5ddf8aa73ee7d12ff4ed565a53436902c7a1477c007bd2ce21a14d0fb21

                  • memory/640-39-0x0000000000400000-0x000000000043A000-memory.dmp

                    Filesize

                    232KB

                  • memory/2288-31-0x0000000000400000-0x000000000043A000-memory.dmp

                    Filesize

                    232KB

                  • memory/2684-13-0x0000000000FE0000-0x0000000000FE1000-memory.dmp

                    Filesize

                    4KB

                  • memory/2684-12-0x0000000001240000-0x0000000001241000-memory.dmp

                    Filesize

                    4KB

                  • memory/3332-4-0x0000000010050000-0x0000000010051000-memory.dmp

                    Filesize

                    4KB

                  • memory/3332-0-0x0000000000860000-0x0000000000861000-memory.dmp

                    Filesize

                    4KB

                  • memory/3968-8-0x00000000004B0000-0x00000000004B1000-memory.dmp

                    Filesize

                    4KB

                  • memory/3968-21-0x0000000000400000-0x000000000043A000-memory.dmp

                    Filesize

                    232KB

                  • memory/3968-22-0x0000000000400000-0x000000000043A000-memory.dmp

                    Filesize

                    232KB

                  • memory/3968-23-0x0000000077082000-0x0000000077083000-memory.dmp

                    Filesize

                    4KB

                  • memory/3968-20-0x0000000077082000-0x0000000077083000-memory.dmp

                    Filesize

                    4KB

                  • memory/3968-16-0x0000000000400000-0x000000000043A000-memory.dmp

                    Filesize

                    232KB

                  • memory/3968-14-0x0000000000400000-0x000000000043A000-memory.dmp

                    Filesize

                    232KB

                  • memory/3968-9-0x00000000004C0000-0x00000000004C1000-memory.dmp

                    Filesize

                    4KB

                  • memory/3968-11-0x0000000000400000-0x000000000043A000-memory.dmp

                    Filesize

                    232KB

                  • memory/3968-5-0x0000000000400000-0x000000000043A000-memory.dmp

                    Filesize

                    232KB