Analysis

  • max time kernel
    133s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-06-2024 21:17

General

  • Target

    178f7d50bd986d2a78fc6d99b16a4a2c_JaffaCakes118.dll

  • Size

    330KB

  • MD5

    178f7d50bd986d2a78fc6d99b16a4a2c

  • SHA1

    d02fb986d17b75f110b3a2f5967e7c20bb4dc0b6

  • SHA256

    71c4d591fc374f893296f301db556d092b23190a6c46556e3a1fba14623efec2

  • SHA512

    3f32e39cb0eb7442c08504124ab983159ec95148b67246eda06bce1d9b5e2bae8fd22e82f389a3280acd809a8a26ff9d773d6e554a1be4815b39fe588cf81431

  • SSDEEP

    6144:zAaMLU3qAIG227cSy4gjhR6byiJ0nRTEFEeERY9:zAxU3xQD6byiKRMEeEy

Malware Config

Signatures

  • Ramnit

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 38 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 57 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\178f7d50bd986d2a78fc6d99b16a4a2c_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4896
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\178f7d50bd986d2a78fc6d99b16a4a2c_JaffaCakes118.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2536
      • C:\Users\Admin\AppData\Local\Temp\Js7PUHT8
        "Js7PUHT8"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:3252
        • C:\Users\Admin\AppData\Local\Temp\Js7PUHT8
          "C:\Users\Admin\AppData\Local\Temp\Js7PUHT8"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4520
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:4228
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 4228 -s 204
                6⤵
                • Program crash
                PID:1068
            • C:\Program Files (x86)\Internet Explorer\iexplore.exe
              "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
              5⤵
              • Suspicious use of WriteProcessMemory
              PID:2052
              • 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:3416
                • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3416 CREDAT:17410 /prefetch:2
                  7⤵
                  • Modifies Internet Explorer settings
                  • Suspicious use of SetWindowsHookEx
                  PID:2932
                • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3416 CREDAT:17416 /prefetch:2
                  7⤵
                  • Modifies Internet Explorer settings
                  • Suspicious use of SetWindowsHookEx
                  PID:3588
            • C:\Windows\SysWOW64\svchost.exe
              C:\Windows\system32\svchost.exe
              5⤵
                PID:4232
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 4232 -s 208
                  6⤵
                  • Program crash
                  PID:5092
              • C:\Program Files (x86)\Internet Explorer\iexplore.exe
                "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
                5⤵
                • Suspicious use of WriteProcessMemory
                PID:1012
                • C:\Program Files\Internet Explorer\IEXPLORE.EXE
                  "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
                  6⤵
                  • Modifies Internet Explorer settings
                  PID:4764
              • C:\Users\Admin\AppData\Local\Temp\nlmdcvohyatpvdlj.exe
                "C:\Users\Admin\AppData\Local\Temp\nlmdcvohyatpvdlj.exe"
                5⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious use of WriteProcessMemory
                PID:2240
                • C:\Users\Admin\AppData\Local\Temp\nlmdcvohyatpvdlj.exe
                  "C:\Users\Admin\AppData\Local\Temp\nlmdcvohyatpvdlj.exe"
                  6⤵
                  • Executes dropped EXE
                  • Suspicious use of AdjustPrivilegeToken
                  PID:3696
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2536 -s 620
            3⤵
            • Program crash
            PID:1076
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2536 -ip 2536
        1⤵
          PID:1192
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4228 -ip 4228
          1⤵
            PID:4040
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4232 -ip 4232
            1⤵
              PID:1656

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verE36B.tmp

              Filesize

              15KB

              MD5

              1a545d0052b581fbb2ab4c52133846bc

              SHA1

              62f3266a9b9925cd6d98658b92adec673cbe3dd3

              SHA256

              557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

              SHA512

              bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

            • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\QQACG5HD\suggestions[1].en-US

              Filesize

              17KB

              MD5

              5a34cb996293fde2cb7a4ac89587393a

              SHA1

              3c96c993500690d1a77873cd62bc639b3a10653f

              SHA256

              c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

              SHA512

              e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

            • C:\Users\Admin\AppData\Local\Temp\Js7PUHT8

              Filesize

              100KB

              MD5

              c43c51d12dab7d81aa13e6a16af1e6d0

              SHA1

              1fb4751c7831a1c8ceab47bfc869e95e1dd06af5

              SHA256

              5a388b21e1ec19fd9a99f154cb863b6cc4c5bbefd75c7dd81bf781408e69e2f6

              SHA512

              7bafb0bf2437232cecbef7c0e0c1cb459db5267a23cb1309dbd3689dce095f92b7875d6921fd123505e9008bb40713f9243525db0da3abc897ec9a010ee33a91

            • memory/2536-0-0x0000000000B00000-0x0000000000B01000-memory.dmp

              Filesize

              4KB

            • memory/2536-5-0x0000000000401000-0x0000000000402000-memory.dmp

              Filesize

              4KB

            • memory/2536-6-0x0000000000400000-0x0000000000458000-memory.dmp

              Filesize

              352KB

            • memory/3696-62-0x0000000000400000-0x0000000000432000-memory.dmp

              Filesize

              200KB

            • memory/4228-21-0x00000000001A0000-0x00000000001A1000-memory.dmp

              Filesize

              4KB

            • memory/4228-22-0x0000000000180000-0x0000000000181000-memory.dmp

              Filesize

              4KB

            • memory/4520-17-0x0000000000400000-0x0000000000432000-memory.dmp

              Filesize

              200KB

            • memory/4520-18-0x0000000000400000-0x0000000000432000-memory.dmp

              Filesize

              200KB

            • memory/4520-16-0x00000000004F0000-0x00000000004F1000-memory.dmp

              Filesize

              4KB

            • memory/4520-15-0x00000000004E0000-0x00000000004E1000-memory.dmp

              Filesize

              4KB

            • memory/4520-20-0x0000000000400000-0x0000000000432000-memory.dmp

              Filesize

              200KB

            • memory/4520-11-0x0000000000400000-0x0000000000432000-memory.dmp

              Filesize

              200KB

            • memory/4520-28-0x0000000077B22000-0x0000000077B23000-memory.dmp

              Filesize

              4KB

            • memory/4520-27-0x0000000000400000-0x0000000000432000-memory.dmp

              Filesize

              200KB

            • memory/4520-30-0x0000000000400000-0x0000000000432000-memory.dmp

              Filesize

              200KB

            • memory/4520-31-0x0000000077B22000-0x0000000077B23000-memory.dmp

              Filesize

              4KB

            • memory/4520-13-0x0000000000400000-0x0000000000432000-memory.dmp

              Filesize

              200KB

            • memory/4520-10-0x0000000000400000-0x0000000000432000-memory.dmp

              Filesize

              200KB

            • memory/4520-7-0x0000000000400000-0x0000000000432000-memory.dmp

              Filesize

              200KB