Analysis

  • max time kernel
    93s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-12-2024 05:23

General

  • Target

    e4e2281bc43be409e5eb2f8b7c6c05b8_JaffaCakes118.dll

  • Size

    136KB

  • MD5

    e4e2281bc43be409e5eb2f8b7c6c05b8

  • SHA1

    e22842788f85bbe5857ff37bb2bc99f6a88954b3

  • SHA256

    095025e32c9d557f566214fcd9d119119f4938af8457876ad46fde4e7b234072

  • SHA512

    3fd71a8be3d67a0854f9ad5f2acf3920e62441c38740bd42d18b10806888b7bf43d7dc150dee137040e46e56bd462087d94d2b52823dedb32c1dfdb80d1b573d

  • SSDEEP

    3072:gNEqkap78EN6FQqZ6hvKi8uw0X01h3son/fqsH8:KEqkE4U4QqghvKkwya3zP8

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 9 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 30 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\e4e2281bc43be409e5eb2f8b7c6c05b8_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2372
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\e4e2281bc43be409e5eb2f8b7c6c05b8_JaffaCakes118.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:376
      • 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:2892
        • 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:2872
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2872 CREDAT:17410 /prefetch:2
            5⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:4900

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

    030d28178ec890f0d933359dad23da1e

    SHA1

    5fa5195ca05aea5caaf471afbcc2fd039876f3c4

    SHA256

    1e40a11d7943a7924cacca9632fa6dd8bd24fb1072cb61e64f9033ebce74806b

    SHA512

    0a4d2a2dc387cda5c4a2545d416aa40eaccc7f0176861c2862c0a792970282189548309263d0937913a9e8be8105074a8d7129b87e277db68a0efbc57f3030e6

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

    Filesize

    404B

    MD5

    dafc18b4374a5fe037c4f828e924f2f4

    SHA1

    79b1f6a4e3f264a2258cc639e966b6aab2221268

    SHA256

    861682c682718c473bd53779656bcd382bdb352ea01a107091ffc0b3f4f13196

    SHA512

    64838b77791f5ee1c42f3f375a2122df81256fe3603ada6cc0c221e75d5c33d8f1e0425991c79850508f3fa9f0d92ff55edc78e1e8624c8b4cc8290c2f2183d8

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8R55UT9S\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/376-1-0x000000006D040000-0x000000006D062000-memory.dmp

    Filesize

    136KB

  • memory/2892-10-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/2892-7-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/2892-15-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/2892-13-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/2892-11-0x00000000006A0000-0x00000000006A1000-memory.dmp

    Filesize

    4KB

  • memory/2892-14-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/2892-8-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/2892-16-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/2892-6-0x0000000000401000-0x0000000000405000-memory.dmp

    Filesize

    16KB

  • memory/2892-17-0x0000000000060000-0x0000000000061000-memory.dmp

    Filesize

    4KB

  • memory/2892-18-0x0000000077CB2000-0x0000000077CB3000-memory.dmp

    Filesize

    4KB

  • memory/2892-20-0x0000000000401000-0x0000000000405000-memory.dmp

    Filesize

    16KB

  • memory/2892-12-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/2892-9-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/2892-4-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB