Analysis

  • max time kernel
    94s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/10/2024, 09:30

General

  • Target

    05428787e119ba1cf7a5b5f0ce9c56d7_JaffaCakes118.dll

  • Size

    736KB

  • MD5

    05428787e119ba1cf7a5b5f0ce9c56d7

  • SHA1

    89ee57e8065e6fc29decb33833c6c92898356dc5

  • SHA256

    97c9874dc0efa4830cd07f2d77f327e17aa4a1d8031eab0e507b2fb5a2d03c4b

  • SHA512

    7ac51ddaccf447ba2a53c1eda04e05932680dd01c65acd0a2010120b52a07526c8b8ef2eb3903b2558e5ea6f2dacd652807d74c705fc0065558af1fa292d07e5

  • SSDEEP

    6144:TWAOfZAznNgAfH/aUARuYcs4GRtD5Lgdhg/vCvOWZ46Zw075GAg5Zwzyhb:kAbOAv/aUARJLgXnxVGAg5

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 6 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • UPX packed file 12 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\05428787e119ba1cf7a5b5f0ce9c56d7_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1700
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\05428787e119ba1cf7a5b5f0ce9c56d7_JaffaCakes118.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2764
      • C:\Users\Admin\AppData\Local\Temp\Le5ahxMH
        "Le5ahxMH"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4132
        • C:\Users\Admin\AppData\Local\Temp\Le5ahxMH
          "Le5ahxMH"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3788
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:1616
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 1616 -s 204
                6⤵
                • Program crash
                PID:4584
            • 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:3060
              • 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:2104
                • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2104 CREDAT:17410 /prefetch:2
                  7⤵
                  • System Location Discovery: System Language Discovery
                  • Modifies Internet Explorer settings
                  • Suspicious use of SetWindowsHookEx
                  PID:2336
                • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2104 CREDAT:17416 /prefetch:2
                  7⤵
                  • System Location Discovery: System Language Discovery
                  • Modifies Internet Explorer settings
                  • Suspicious use of SetWindowsHookEx
                  PID:1132
            • C:\Windows\SysWOW64\svchost.exe
              C:\Windows\system32\svchost.exe
              5⤵
                PID:4208
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 4208 -s 208
                  6⤵
                  • Program crash
                  PID:3116
              • 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:2896
                • C:\Program Files\Internet Explorer\IEXPLORE.EXE
                  "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
                  6⤵
                  • Modifies Internet Explorer settings
                  PID:4832
              • C:\Users\Admin\AppData\Local\Temp\ixgwevgy.exe
                "C:\Users\Admin\AppData\Local\Temp\ixgwevgy.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:5012
                • C:\Users\Admin\AppData\Local\Temp\ixgwevgy.exe
                  "C:\Users\Admin\AppData\Local\Temp\ixgwevgy.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:2844
                  • C:\Windows\SysWOW64\cmd.exe
                    "C:\Windows\System32\cmd.exe" /C ""C:\Users\Admin\AppData\Local\Temp\ixgwevgy.exe"" admin
                    7⤵
                    • System Location Discovery: System Language Discovery
                    • Suspicious use of WriteProcessMemory
                    PID:4932
                    • C:\Users\Admin\AppData\Local\Temp\ixgwevgy.exe
                      "C:\Users\Admin\AppData\Local\Temp\ixgwevgy.exe" admin
                      8⤵
                      • Executes dropped EXE
                      • Suspicious use of SetThreadContext
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of SetWindowsHookEx
                      PID:3624
                      • C:\Users\Admin\AppData\Local\Temp\ixgwevgy.exe
                        "C:\Users\Admin\AppData\Local\Temp\ixgwevgy.exe" admin
                        9⤵
                        • UAC bypass
                        • Executes dropped EXE
                        • Checks whether UAC is enabled
                        • Suspicious use of AdjustPrivilegeToken
                        • System policy modification
                        PID:4820
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1616 -ip 1616
        1⤵
          PID:4080
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4208 -ip 4208
          1⤵
            PID:2752

          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

                  3581a0e6b4a2481b0d17c98cea4c6ba1

                  SHA1

                  f55e51abdb6324ae363802235297914a053947ec

                  SHA256

                  a904ea3ed03f1568aaea366c859b6f0610d0e47ccd5725c20132d3c10e11188d

                  SHA512

                  f9ea3d2712ca7ebb9c5826de7a89c59c7b2a50759baa83cf04fce4234d59e94d251560ab9e3bb845715ce54bc65187297eac9f73ad93adf034bca591cab3ab24

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

                  Filesize

                  404B

                  MD5

                  e4a92998c7b05565916106895f9dcd41

                  SHA1

                  da791e91a63d58681087a8191203c6dd147773bc

                  SHA256

                  9e92e9227ea2d1a2f8606159ff72b504958b8511bfe133571ae2619704e5d62c

                  SHA512

                  48a2ff495e1bb92b4570dfc26dfb707d415505b4d9f1d7ce9785706ab3be6d14d966a2ca229097df6f25fb955bd492016a392340e97ab0c5c5c24e49ce505237

                • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver4BE.tmp

                  Filesize

                  15KB

                  MD5

                  1a545d0052b581fbb2ab4c52133846bc

                  SHA1

                  62f3266a9b9925cd6d98658b92adec673cbe3dd3

                  SHA256

                  557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

                  SHA512

                  bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

                • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\O8WYVOD7\suggestions[1].en-US

                  Filesize

                  17KB

                  MD5

                  5a34cb996293fde2cb7a4ac89587393a

                  SHA1

                  3c96c993500690d1a77873cd62bc639b3a10653f

                  SHA256

                  c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

                  SHA512

                  e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

                • C:\Users\Admin\AppData\Local\Temp\Le5ahxMH

                  Filesize

                  108KB

                  MD5

                  e00229ffc51450bf3b009eecda814d79

                  SHA1

                  5777ddc1b1bf034034f7a592ff5b0c9349b57142

                  SHA256

                  9bc9052bd00418b6470b538e17874ea7483201b0ad3b13f8486aeb4743495fa6

                  SHA512

                  c268e0c3d28f109e653498a868bd44dfa8a53a3ac694de1fa1d02f70f66a00496e15c519086057df2c455ca2f2bdd704108b00a238ba75295dce81fe2866be80

                • memory/1616-25-0x00000000005F0000-0x00000000005F1000-memory.dmp

                  Filesize

                  4KB

                • memory/1616-24-0x0000000000810000-0x0000000000811000-memory.dmp

                  Filesize

                  4KB

                • memory/2764-26-0x00000000007E0000-0x00000000007E1000-memory.dmp

                  Filesize

                  4KB

                • memory/2764-4-0x00000000611D1000-0x00000000611D2000-memory.dmp

                  Filesize

                  4KB

                • memory/2764-0-0x00000000007E0000-0x00000000007E1000-memory.dmp

                  Filesize

                  4KB

                • memory/2844-73-0x0000000000400000-0x0000000000435000-memory.dmp

                  Filesize

                  212KB

                • memory/3624-76-0x0000000070150000-0x00000000702AD000-memory.dmp

                  Filesize

                  1.4MB

                • memory/3624-86-0x0000000000400000-0x0000000000441000-memory.dmp

                  Filesize

                  260KB

                • memory/3788-28-0x0000000000400000-0x0000000000435000-memory.dmp

                  Filesize

                  212KB

                • memory/3788-36-0x0000000077642000-0x0000000077643000-memory.dmp

                  Filesize

                  4KB

                • memory/3788-14-0x0000000000400000-0x0000000000435000-memory.dmp

                  Filesize

                  212KB

                • memory/3788-17-0x0000000000400000-0x0000000000435000-memory.dmp

                  Filesize

                  212KB

                • memory/3788-27-0x0000000000400000-0x0000000000435000-memory.dmp

                  Filesize

                  212KB

                • memory/3788-18-0x0000000002050000-0x0000000002051000-memory.dmp

                  Filesize

                  4KB

                • memory/3788-32-0x0000000077642000-0x0000000077643000-memory.dmp

                  Filesize

                  4KB

                • memory/3788-29-0x0000000000400000-0x0000000000435000-memory.dmp

                  Filesize

                  212KB

                • memory/3788-34-0x0000000000400000-0x0000000000435000-memory.dmp

                  Filesize

                  212KB

                • memory/3788-11-0x0000000000400000-0x0000000000435000-memory.dmp

                  Filesize

                  212KB

                • memory/3788-35-0x0000000000400000-0x0000000000435000-memory.dmp

                  Filesize

                  212KB

                • memory/3788-20-0x0000000000400000-0x0000000000435000-memory.dmp

                  Filesize

                  212KB

                • memory/3788-15-0x0000000000400000-0x0000000000435000-memory.dmp

                  Filesize

                  212KB

                • memory/3788-19-0x0000000002060000-0x0000000002061000-memory.dmp

                  Filesize

                  4KB

                • memory/4132-22-0x0000000000400000-0x0000000000441000-memory.dmp

                  Filesize

                  260KB

                • memory/4132-5-0x0000000000400000-0x0000000000441000-memory.dmp

                  Filesize

                  260KB

                • memory/4132-7-0x00000000001C0000-0x00000000001C3000-memory.dmp

                  Filesize

                  12KB

                • memory/4132-8-0x0000000074E00000-0x0000000074F5D000-memory.dmp

                  Filesize

                  1.4MB

                • memory/4820-87-0x0000000000400000-0x0000000000435000-memory.dmp

                  Filesize

                  212KB

                • memory/5012-56-0x00000000001C0000-0x00000000001C3000-memory.dmp

                  Filesize

                  12KB

                • memory/5012-71-0x00000000001C0000-0x00000000001C3000-memory.dmp

                  Filesize

                  12KB

                • memory/5012-72-0x0000000000400000-0x0000000000441000-memory.dmp

                  Filesize

                  260KB

                • memory/5012-57-0x0000000070150000-0x00000000702AD000-memory.dmp

                  Filesize

                  1.4MB