Analysis

  • max time kernel
    126s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/10/2024, 07:12

General

  • Target

    16ac4e206e38321d926e90f02147358a_JaffaCakes118.dll

  • Size

    262KB

  • MD5

    16ac4e206e38321d926e90f02147358a

  • SHA1

    b86863d688c5d044105ec0cfd6540568a5a2efa4

  • SHA256

    a122f535a1028e17de4bddd597e26c22edd0f5db8ac41d6ea9ff9ca878f6ade3

  • SHA512

    1408bb59117175dbdaa3605e734458a579bf033c0616b074ca2a5cc3adf86673c0374ac3d44729b8af7a5a37c1f458ae86aa5626d87de3d7331f433c89fe00b8

  • SSDEEP

    3072:ICuuNCRs/Pj03pJEEC9ti9pocimFFVW6E1fZim4v5TRRJBYeBTg4vRPW9vc/Bm6a:ICIGPj038tAgFMldWNX++eJknGe

Malware Config

Signatures

  • Ramnit

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

  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 12 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 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 33 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\16ac4e206e38321d926e90f02147358a_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1808
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\16ac4e206e38321d926e90f02147358a_JaffaCakes118.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4328
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of UnmapMainImage
        • Suspicious use of WriteProcessMemory
        PID:2640
        • C:\Program Files (x86)\Microsoft\WaterMark.exe
          "C:\Program Files (x86)\Microsoft\WaterMark.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of UnmapMainImage
          • Suspicious use of WriteProcessMemory
          PID:2916
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:3408
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 3408 -s 204
                6⤵
                • Program crash
                PID:4880
            • 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:2324
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2324 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:4104
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe"
              5⤵
              • Modifies Internet Explorer settings
              PID:840
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4328 -s 608
          3⤵
          • Program crash
          PID:4392
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4328 -ip 4328
      1⤵
        PID:2304
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3408 -ip 3408
        1⤵
          PID:2960
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4148,i,3387628439405076340,17957358341235678872,262144 --variations-seed-version --mojo-platform-channel-handle=4180 /prefetch:8
          1⤵
            PID:2876

          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

                  db7c83e09ebc4317f2bf2df7f66b8513

                  SHA1

                  29d58ef43f72ce7cf79ce6109d038a6c9b4873f0

                  SHA256

                  1ae4c8aa37bf433bc5b3b45e017c95bf843c7dbbe348c78c7ab6f3cad0fda4b8

                  SHA512

                  6eb46ae0c3e091ba13b1c0e3fb6de568882940df7968d0e1297568ea5356a4691f2a869c7c9ac9e9642bcc2e4e1388d00b15c663276143e8cb5015ab89c27867

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

                  Filesize

                  404B

                  MD5

                  d3eaab36e00f9868630da309490fdcc1

                  SHA1

                  04a11f1073d2ea962a2c53d7a159628f36df7c0b

                  SHA256

                  963c07d8777e0141e02dba867dd67346b525e6e0539d6b34d0e35db9d93d5a7e

                  SHA512

                  384f256a97feced913972af844ef925e3adfa104703d1217bc1cfcd22a49171214440aa583fa076f9e5647559af1d248a4d397e87aa364f67c7842013e3d559c

                • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verF17F.tmp

                  Filesize

                  15KB

                  MD5

                  1a545d0052b581fbb2ab4c52133846bc

                  SHA1

                  62f3266a9b9925cd6d98658b92adec673cbe3dd3

                  SHA256

                  557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

                  SHA512

                  bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

                • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\NCPU4OJ5\suggestions[1].en-US

                  Filesize

                  17KB

                  MD5

                  5a34cb996293fde2cb7a4ac89587393a

                  SHA1

                  3c96c993500690d1a77873cd62bc639b3a10653f

                  SHA256

                  c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

                  SHA512

                  e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

                • C:\Windows\SysWOW64\rundll32mgr.exe

                  Filesize

                  95KB

                  MD5

                  f9caa37eabeb36f1a220d2840767367a

                  SHA1

                  77a49bd0a22933e65ab3749a7177459b303cd73c

                  SHA256

                  6f690538c457090d41b830c2863bff404f76057d45a7b0531cb1058fe9ea1e9f

                  SHA512

                  1a3508c167d29857720fbefdc38be4c5bf3518d543139c4e103ba9b660facc3a22ca600ed54c42892b337a07ef4ad5770d2705802a4201c6e2255baf29e767b2

                • memory/2640-29-0x0000000000401000-0x0000000000405000-memory.dmp

                  Filesize

                  16KB

                • memory/2640-16-0x0000000000400000-0x0000000000421000-memory.dmp

                  Filesize

                  132KB

                • memory/2640-15-0x0000000000400000-0x0000000000421000-memory.dmp

                  Filesize

                  132KB

                • memory/2640-6-0x0000000000401000-0x0000000000405000-memory.dmp

                  Filesize

                  16KB

                • memory/2640-8-0x0000000000400000-0x0000000000421000-memory.dmp

                  Filesize

                  132KB

                • memory/2640-10-0x0000000000400000-0x0000000000421000-memory.dmp

                  Filesize

                  132KB

                • memory/2640-4-0x0000000000400000-0x000000000044D000-memory.dmp

                  Filesize

                  308KB

                • memory/2640-7-0x0000000000400000-0x000000000044D000-memory.dmp

                  Filesize

                  308KB

                • memory/2640-11-0x00000000001C0000-0x00000000001C1000-memory.dmp

                  Filesize

                  4KB

                • memory/2640-12-0x0000000000400000-0x0000000000421000-memory.dmp

                  Filesize

                  132KB

                • memory/2640-14-0x0000000000400000-0x0000000000421000-memory.dmp

                  Filesize

                  132KB

                • memory/2640-9-0x0000000000400000-0x0000000000421000-memory.dmp

                  Filesize

                  132KB

                • memory/2916-30-0x0000000000400000-0x0000000000421000-memory.dmp

                  Filesize

                  132KB

                • memory/2916-32-0x0000000000060000-0x0000000000061000-memory.dmp

                  Filesize

                  4KB

                • memory/2916-34-0x0000000000400000-0x0000000000421000-memory.dmp

                  Filesize

                  132KB

                • memory/2916-39-0x0000000000070000-0x0000000000071000-memory.dmp

                  Filesize

                  4KB

                • memory/2916-40-0x0000000077012000-0x0000000077013000-memory.dmp

                  Filesize

                  4KB

                • memory/2916-41-0x0000000000400000-0x0000000000421000-memory.dmp

                  Filesize

                  132KB

                • memory/2916-42-0x0000000000400000-0x0000000000421000-memory.dmp

                  Filesize

                  132KB

                • memory/2916-35-0x0000000077012000-0x0000000077013000-memory.dmp

                  Filesize

                  4KB

                • memory/2916-26-0x0000000000400000-0x000000000044D000-memory.dmp

                  Filesize

                  308KB

                • memory/3408-36-0x0000000000A60000-0x0000000000A61000-memory.dmp

                  Filesize

                  4KB

                • memory/3408-37-0x0000000000A40000-0x0000000000A41000-memory.dmp

                  Filesize

                  4KB

                • memory/4328-1-0x0000000010000000-0x0000000010046000-memory.dmp

                  Filesize

                  280KB

                • memory/4328-38-0x0000000010000000-0x0000000010046000-memory.dmp

                  Filesize

                  280KB