Analysis

  • max time kernel
    93s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-01-2025 23:31

General

  • Target

    JaffaCakes118_00a7a5941d01a11863e9f2aa3cce1867.exe

  • Size

    120KB

  • MD5

    00a7a5941d01a11863e9f2aa3cce1867

  • SHA1

    cc8a56eecdcb7328598594b6da3d608da51b0878

  • SHA256

    9adc743057e445873772fa63841ca207330ab0fd8e2dc70bee16d100bf7eeac1

  • SHA512

    d7a747e01af2eefe294cf5f3301a3df0d4ef06e0ef25fbb7157e9386e48b9cc41a58f5445b2047f7ca8ef89ae734b9d82d27691ae7c8b03badffe32ce6619197

  • SSDEEP

    1536:gVZnxm6MG9xgfrvEaoiT/GyphjXDYjKwttoswRmhApEd/KHCbiAy0vsp7DMmn:QnxwgxgfR/DVG7wBpE9iFuKIm

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • Executes dropped EXE 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 1 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 45 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_00a7a5941d01a11863e9f2aa3cce1867.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_00a7a5941d01a11863e9f2aa3cce1867.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4500
    • C:\Program Files (x86)\Microsoft\WaterMark.exe
      "C:\Program Files (x86)\Microsoft\WaterMark.exe"
      2⤵
      • 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:1756
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:3380
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3380 -s 204
            4⤵
            • Program crash
            PID:392
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          3⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:676
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:676 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:2780
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          3⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2528
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2528 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4820
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3380 -ip 3380
      1⤵
        PID:4120

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Program Files (x86)\Microsoft\WaterMark.exe

        Filesize

        120KB

        MD5

        00a7a5941d01a11863e9f2aa3cce1867

        SHA1

        cc8a56eecdcb7328598594b6da3d608da51b0878

        SHA256

        9adc743057e445873772fa63841ca207330ab0fd8e2dc70bee16d100bf7eeac1

        SHA512

        d7a747e01af2eefe294cf5f3301a3df0d4ef06e0ef25fbb7157e9386e48b9cc41a58f5445b2047f7ca8ef89ae734b9d82d27691ae7c8b03badffe32ce6619197

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

        Filesize

        471B

        MD5

        0ada2095c461df5a751955aa41dd491e

        SHA1

        8366c54b31e1ddc8016aa22aab8c83f73c690810

        SHA256

        80cd542688ed3a45669b53243c3f4922d6eb21a34d8dfeebc6c101484d3bac09

        SHA512

        135991affe343d4358bb15a693effa7a6813d6715e555729d2aa04a98555e13fded55d3100a41a92a5beb57c68fbdacb199a3e66407944e37880b28d42d79e7c

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

        Filesize

        404B

        MD5

        77e2ba4f96739d051c99ba5adca801d7

        SHA1

        2d2f3ef1139e9347e2128630f5ccf9d854f6ffe5

        SHA256

        d6653902683cc749f439929db6c7261a283542d7bbf4c9108e98135c0176dba7

        SHA512

        b063506e78795c16f8214cc9c8625d5351e2ba05a0c0a6dcc3762dc9edaa5ab1661b2fc8adcb7073ccd1d54772e51ae11fcd237c220f3b49bad0cfdf536b2c93

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

        Filesize

        404B

        MD5

        6444ef51e9fa2523951f3a3bb489219c

        SHA1

        b297a7ee8f2baaac6500f5f8328703866dfdacd3

        SHA256

        41103b827f1a95f0fed22b80c8437772379cd1d2c790bca71616ddaa24544a26

        SHA512

        4fe521aace057f9e42d8ed4cca7f80f72164950895512222895941b281d96735fe7c7151e8b6776991fcfdfe6e19b9cd3e21d477d81f6bcc4ac84cd15b5e7d8b

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{5FE80443-D790-11EF-B319-FE5A08828E79}.dat

        Filesize

        5KB

        MD5

        cfad28955101c5774cd6f544dba3cc2f

        SHA1

        b3c346cffce361177d4c2c703d7a7c822cdd477e

        SHA256

        088db35425354452b4b4269cdd6921e8c97d2613ca725080984c3b2f4f8af271

        SHA512

        8b8ba781b187a8e146f1a61c87f36b1494ed639dd60e4275b32b4cec3d67b09b695a652f5a6729a66009823a03dcc172aa70335339aff04b62d2831c74c79262

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{5FEA6572-D790-11EF-B319-FE5A08828E79}.dat

        Filesize

        3KB

        MD5

        09d2e53d0e0a12e297d860d4e34efe63

        SHA1

        66dba8bca23526c195fec83a887b70195d75eb5f

        SHA256

        560e99d0fb175b4bc06836bc6976e9f299b30b7e21f5c5c2fd4953d15a52ac25

        SHA512

        a2513c91bac350b47c7a2c4b2c9b40e60379d8a6bf4fe16bbcf68e8b802f6be01e8874d08df1aa6babca664678aa4b2d39c5ec7b6badab5e965f250f050bd28c

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8R55UT9S\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • memory/1756-28-0x0000000000060000-0x0000000000061000-memory.dmp

        Filesize

        4KB

      • memory/1756-33-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/1756-39-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1756-37-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1756-34-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1756-23-0x0000000000400000-0x0000000000445000-memory.dmp

        Filesize

        276KB

      • memory/1756-27-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/1756-35-0x00000000771E2000-0x00000000771E3000-memory.dmp

        Filesize

        4KB

      • memory/1756-29-0x00000000771E2000-0x00000000771E3000-memory.dmp

        Filesize

        4KB

      • memory/3380-32-0x0000000000D20000-0x0000000000D21000-memory.dmp

        Filesize

        4KB

      • memory/3380-31-0x0000000000D40000-0x0000000000D41000-memory.dmp

        Filesize

        4KB

      • memory/4500-3-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4500-0-0x0000000000400000-0x0000000000445000-memory.dmp

        Filesize

        276KB

      • memory/4500-18-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4500-6-0x0000000000400000-0x0000000000445000-memory.dmp

        Filesize

        276KB

      • memory/4500-4-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4500-7-0x00000000030B0000-0x00000000030B1000-memory.dmp

        Filesize

        4KB

      • memory/4500-2-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4500-12-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4500-9-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4500-8-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4500-1-0x0000000000401000-0x0000000000402000-memory.dmp

        Filesize

        4KB