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, 17:31

General

  • Target

    0fdcece65289dc442a99b875eeb9c498_JaffaCakes118.dll

  • Size

    180KB

  • MD5

    0fdcece65289dc442a99b875eeb9c498

  • SHA1

    49ae8323ccb9fbd92fce5c09e058b86087e51c8c

  • SHA256

    e7db1e2ba7dcc5c0e8ceb11c888ec361f0595418d82b792dcdd5844c7d13759f

  • SHA512

    07607f318551990737194914510bab366973a16ed685a7fda93fb2a482efc13bf22bb2e6187578a6bb7f30f45a0551ee38468316f0e7dd538a1e19dcdb62fee9

  • SSDEEP

    3072:1P2PxxtVYTRMClk3oq2L9vNTDQm/iAeQZZer:NyiRq4xZvNTOAhZZo

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 3 IoCs
  • Modifies security service 2 TTPs 3 IoCs
  • Ramnit

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

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 6 IoCs
  • Windows security modification 2 TTPs 6 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • UPX packed file 10 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 11 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 15 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\0fdcece65289dc442a99b875eeb9c498_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:968
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\0fdcece65289dc442a99b875eeb9c498_JaffaCakes118.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1576
      • C:\Users\Admin\AppData\Local\Temp\t32KY8d5k
        "t32KY8d5k"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3168
        • C:\Users\Admin\AppData\Local\Temp\t32KY8d5k
          "t32KY8d5k"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4132
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:1796
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 1796 -s 204
                6⤵
                • Program crash
                PID:1276
            • C:\Program Files (x86)\Internet Explorer\iexplore.exe
              "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
              5⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:4404
              • C:\Program Files\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
                6⤵
                • Modifies Internet Explorer settings
                • Suspicious use of FindShellTrayWindow
                • Suspicious use of SetWindowsHookEx
                • Suspicious use of WriteProcessMemory
                PID:1536
                • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1536 CREDAT:17410 /prefetch:2
                  7⤵
                  • System Location Discovery: System Language Discovery
                  • Modifies Internet Explorer settings
                  • Suspicious use of SetWindowsHookEx
                  PID:2308
                • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1536 CREDAT:17416 /prefetch:2
                  7⤵
                  • System Location Discovery: System Language Discovery
                  • Modifies Internet Explorer settings
                  • Suspicious use of SetWindowsHookEx
                  PID:512
            • C:\Windows\SysWOW64\svchost.exe
              C:\Windows\system32\svchost.exe
              5⤵
                PID:4504
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 4504 -s 204
                  6⤵
                  • Program crash
                  PID:2588
              • C:\Program Files (x86)\Internet Explorer\iexplore.exe
                "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
                5⤵
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:4780
                • C:\Program Files\Internet Explorer\IEXPLORE.EXE
                  "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
                  6⤵
                  • Modifies Internet Explorer settings
                  PID:3804
              • C:\Users\Admin\AppData\Local\Temp\cyenjhkm.exe
                "C:\Users\Admin\AppData\Local\Temp\cyenjhkm.exe" elevate
                5⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • System Location Discovery: System Language Discovery
                • Suspicious use of SetWindowsHookEx
                • Suspicious use of WriteProcessMemory
                PID:1272
                • C:\Users\Admin\AppData\Local\Temp\cyenjhkm.exe
                  "C:\Users\Admin\AppData\Local\Temp\cyenjhkm.exe" elevate
                  6⤵
                  • Checks computer location settings
                  • Executes dropped EXE
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of WriteProcessMemory
                  PID:4800
                  • C:\Windows\SysWOW64\cmd.exe
                    "C:\Windows\System32\cmd.exe" /C ""C:\Users\Admin\AppData\Local\Temp\cyenjhkm.exe"" admin
                    7⤵
                    • System Location Discovery: System Language Discovery
                    • Suspicious use of WriteProcessMemory
                    PID:3000
                    • C:\Users\Admin\AppData\Local\Temp\cyenjhkm.exe
                      "C:\Users\Admin\AppData\Local\Temp\cyenjhkm.exe" admin
                      8⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of SetWindowsHookEx
                      PID:3496
                      • C:\Users\Admin\AppData\Local\Temp\cyenjhkm.exe
                        "C:\Users\Admin\AppData\Local\Temp\cyenjhkm.exe" admin
                        9⤵
                        • Modifies firewall policy service
                        • Modifies security service
                        • UAC bypass
                        • Windows security bypass
                        • Executes dropped EXE
                        • Windows security modification
                        • Checks whether UAC is enabled
                        • Suspicious use of AdjustPrivilegeToken
                        • System policy modification
                        PID:4736
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1796 -ip 1796
        1⤵
          PID:2620
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4504 -ip 4504
          1⤵
            PID:2976

          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

                  b85b3b492f6b920450a0e4af9b8abf54

                  SHA1

                  19cb7b9396882cc7f7571f7d9015d7cef122e43e

                  SHA256

                  16dd95fe5aa6b58597d7744013980297618e69fe0073698614ce45c871d3ec42

                  SHA512

                  fc3693fb9d9319b99bd1472d4c05c103d6e9f7835c4456450c8d270b84245fa02b0744616f83126a79507963817d1d6411abca8a62e092d8dcf6151c6e3f0b79

                • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver1F2B.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\t32KY8d5k

                  Filesize

                  99KB

                  MD5

                  33ace2a98e6aa56dbd6f1ae58a9af9ae

                  SHA1

                  67de6edab77318d997f002c9884dd08069612570

                  SHA256

                  8bf10012bf59dbc3f6509bbf1dc12490779fc5962aa37fcebbcc434e2612371c

                  SHA512

                  ea77d71297f7ef842f0c1c7b6f8eb53f8d6d3f223d4f5d2bb4214102601a1197f038a1339d5245ed87671947e90910b78cbe7081d05c0e5cedd55b0726e362f5

                • memory/1272-56-0x0000000000400000-0x0000000000430000-memory.dmp

                  Filesize

                  192KB

                • memory/1272-57-0x0000000070300000-0x000000007045D000-memory.dmp

                  Filesize

                  1.4MB

                • memory/1272-55-0x00000000001C0000-0x00000000001C3000-memory.dmp

                  Filesize

                  12KB

                • memory/1272-66-0x00000000001C0000-0x00000000001C3000-memory.dmp

                  Filesize

                  12KB

                • memory/1272-67-0x0000000000400000-0x0000000000430000-memory.dmp

                  Filesize

                  192KB

                • memory/1576-26-0x0000000000610000-0x0000000000611000-memory.dmp

                  Filesize

                  4KB

                • memory/1576-0-0x0000000000610000-0x0000000000611000-memory.dmp

                  Filesize

                  4KB

                • memory/1576-3-0x0000000075681000-0x0000000075682000-memory.dmp

                  Filesize

                  4KB

                • memory/1796-24-0x0000000000380000-0x0000000000381000-memory.dmp

                  Filesize

                  4KB

                • memory/1796-23-0x00000000003A0000-0x00000000003A1000-memory.dmp

                  Filesize

                  4KB

                • memory/3168-8-0x0000000075480000-0x00000000755DD000-memory.dmp

                  Filesize

                  1.4MB

                • memory/3168-18-0x0000000000400000-0x0000000000430000-memory.dmp

                  Filesize

                  192KB

                • memory/3168-25-0x00000000001C0000-0x00000000001C3000-memory.dmp

                  Filesize

                  12KB

                • memory/3168-7-0x00000000001C0000-0x00000000001C3000-memory.dmp

                  Filesize

                  12KB

                • memory/3168-5-0x0000000000400000-0x0000000000430000-memory.dmp

                  Filesize

                  192KB

                • memory/3496-76-0x0000000070730000-0x000000007088D000-memory.dmp

                  Filesize

                  1.4MB

                • memory/3496-86-0x0000000000400000-0x0000000000430000-memory.dmp

                  Filesize

                  192KB

                • memory/4132-22-0x0000000000400000-0x0000000000436000-memory.dmp

                  Filesize

                  216KB

                • memory/4132-19-0x00000000005A0000-0x00000000005A1000-memory.dmp

                  Filesize

                  4KB

                • memory/4132-34-0x0000000000400000-0x0000000000436000-memory.dmp

                  Filesize

                  216KB

                • memory/4132-33-0x0000000000400000-0x0000000000436000-memory.dmp

                  Filesize

                  216KB

                • memory/4132-31-0x0000000077C42000-0x0000000077C43000-memory.dmp

                  Filesize

                  4KB

                • memory/4132-28-0x0000000000400000-0x0000000000436000-memory.dmp

                  Filesize

                  216KB

                • memory/4132-27-0x0000000000400000-0x0000000000436000-memory.dmp

                  Filesize

                  216KB

                • memory/4132-35-0x0000000077C42000-0x0000000077C43000-memory.dmp

                  Filesize

                  4KB

                • memory/4132-20-0x00000000005B0000-0x00000000005B1000-memory.dmp

                  Filesize

                  4KB

                • memory/4132-11-0x0000000000400000-0x0000000000436000-memory.dmp

                  Filesize

                  216KB

                • memory/4132-16-0x0000000000400000-0x0000000000436000-memory.dmp

                  Filesize

                  216KB

                • memory/4132-14-0x0000000000400000-0x0000000000436000-memory.dmp

                  Filesize

                  216KB

                • memory/4736-87-0x0000000000400000-0x0000000000436000-memory.dmp

                  Filesize

                  216KB

                • memory/4800-73-0x0000000000400000-0x0000000000436000-memory.dmp

                  Filesize

                  216KB