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Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/01/2025, 17:34

General

  • Target

    JaffaCakes118_5e3d39b6dd0875fc1148900bd60a95c0.dll

  • Size

    112KB

  • MD5

    5e3d39b6dd0875fc1148900bd60a95c0

  • SHA1

    8694b46127d9c5e85b2ea52918ee9d0b6dc5cc7d

  • SHA256

    01e18dc96bdf1fb90ff51a4fa47a8c516232317245773debab5c2571f84385ee

  • SHA512

    219deccb9835da2879380ac436a412266bbf2dd175983a34ddc0c44be440480aeae04de00b0efa73f782c5fdc94626cb0f01f5a3f8b3204abad511fb1b1606d1

  • SSDEEP

    1536:b9XThB4+agyy5r7X7XvAbT7GCsDxiaHS7DCgTpMsxS+vhOxVCVy4wYAai0w:hX4+agyyd7zCqCGxneDCatIT4o0w

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • Executes dropped EXE 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 8 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 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 32 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5e3d39b6dd0875fc1148900bd60a95c0.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4212
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5e3d39b6dd0875fc1148900bd60a95c0.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:776
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • 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:2204
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4012
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4012 CREDAT:17410 /prefetch:2
            5⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:3696

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

    30f59b20e935520badc298242cb4cff1

    SHA1

    00622b2054eb148a8459c2ccd0b22606c2d5c7f6

    SHA256

    4a981d199e551f2b8c8fa22f0e3fbc264e876e5ed243d83331b2a6083a753e3c

    SHA512

    f22ca09eb3266cee3f363e4f3f955745382679d136d61e7c27f81081cd77efa5f82f82220526928f73049e692b7c060f64032dfae0f967c579c6e6acfd2e8d21

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

    Filesize

    404B

    MD5

    b2ee612d709d7ada277ceb6a65c74755

    SHA1

    d0ebf19e6866d3d0f8809aa33ea1e7a1a8b24927

    SHA256

    142dd9a8417a73a5f34c09e8feafc875dad3b4cd24f0c267c36a5cd89a8d7bf6

    SHA512

    41b8712a55a6edfd928918e25d68e1d7fa34d24a861aeefd94aa4fd6edbfa2941d97adb8eaa0aa4094f51d83f4c6163384e523f73772333dcc1ce02a61b9d749

  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver1A1B.tmp

    Filesize

    15KB

    MD5

    1a545d0052b581fbb2ab4c52133846bc

    SHA1

    62f3266a9b9925cd6d98658b92adec673cbe3dd3

    SHA256

    557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

    SHA512

    bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\9MFSIIMR\suggestions[1].en-US

    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

  • C:\Windows\SysWOW64\rundll32mgr.exe

    Filesize

    88KB

    MD5

    a61ea5f2325332c52bff5bce3d161336

    SHA1

    3a883b8241f5f2efaa76367240db800d78a0209c

    SHA256

    e6f8a54ed663061527ab46b8e8efc2a0f3c99ae77829c0be0e50eb5b1b48415b

    SHA512

    fae031e0e7dcd719240bfe94a3f78d1aac73060324d5b65e0cbe564ce6d6781aaa5e930f0729293e3b502b7d07f53f3a72fb2048d44d93d36851aab8330479e5

  • memory/776-1-0x0000000074DD0000-0x0000000074DEF000-memory.dmp

    Filesize

    124KB

  • memory/2204-14-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/2204-16-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/2204-12-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/2204-15-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/2204-11-0x0000000000690000-0x0000000000691000-memory.dmp

    Filesize

    4KB

  • memory/2204-13-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/2204-7-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/2204-9-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/2204-17-0x0000000000060000-0x0000000000061000-memory.dmp

    Filesize

    4KB

  • memory/2204-18-0x0000000077382000-0x0000000077383000-memory.dmp

    Filesize

    4KB

  • memory/2204-19-0x0000000077382000-0x0000000077383000-memory.dmp

    Filesize

    4KB

  • memory/2204-21-0x0000000000401000-0x0000000000405000-memory.dmp

    Filesize

    16KB

  • memory/2204-10-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2204-8-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/2204-6-0x0000000000401000-0x0000000000405000-memory.dmp

    Filesize

    16KB

  • memory/2204-4-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB