Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05/10/2024, 04:28

General

  • Target

    5c60860bc53d43bcaa381045c8117a7bd03d34687c7353e6be35824143e92a36N.dll

  • Size

    453KB

  • MD5

    1546d4a7d54d46a0a0688241dc3758d0

  • SHA1

    5974f2f7bf9588a243b249cccc28907072a44a4e

  • SHA256

    5c60860bc53d43bcaa381045c8117a7bd03d34687c7353e6be35824143e92a36

  • SHA512

    b784943e8de6027d2785ef5845abd2b11f5495b06e866d854df4cbac0ef42693a8d7ddecf797bae5ba87605feefed6b47e8693589e9f6ffa33dbd63e31a1b081

  • SSDEEP

    3072:OwqD3L8Tezq0et+ui1yiMgo9ae3LV1dKdLhtKeoVWh7VnSNFKsa0hp:9q/81JivhM1sdLhtloVWNV6a0hp

Malware Config

Signatures

  • Ramnit

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 2 IoCs

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

  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\5c60860bc53d43bcaa381045c8117a7bd03d34687c7353e6be35824143e92a36N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2096
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\5c60860bc53d43bcaa381045c8117a7bd03d34687c7353e6be35824143e92a36N.dll,#1
      2⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2520
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2376
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2376 -s 180
          4⤵
          • Program crash
          PID:2692
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2520 -s 244
        3⤵
        • Program crash
        PID:2348

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • \Users\Admin\AppData\Local\Temp\~TM9F3C.tmp

          Filesize

          1.2MB

          MD5

          d124f55b9393c976963407dff51ffa79

          SHA1

          2c7bbedd79791bfb866898c85b504186db610b5d

          SHA256

          ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

          SHA512

          278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

        • \Users\Admin\AppData\Local\Temp\~TM9F7B.tmp

          Filesize

          1.1MB

          MD5

          9b98d47916ead4f69ef51b56b0c2323c

          SHA1

          290a80b4ded0efc0fd00816f373fcea81a521330

          SHA256

          96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

          SHA512

          68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

        • \Windows\SysWOW64\rundll32mgr.exe

          Filesize

          354KB

          MD5

          a8245f71e4e4aff10e574300abd2bcc2

          SHA1

          7ea3ae53a0697e526c6bc877b103b390af042d7a

          SHA256

          7bf945e4d87567106bfe8980b4fe1e6482578ab91fa9d82426c804ae5c3f2546

          SHA512

          8c32f1f55c0475ce06ddbd3db80d529addb401089bd61491641d2e2c0c36020eabc5a947735388ae7a90514c543cb29450afa13b1e3f90387e432b62d4628978

        • memory/2376-14-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/2376-13-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/2376-21-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/2520-0-0x0000000075110000-0x0000000075186000-memory.dmp

          Filesize

          472KB

        • memory/2520-6-0x00000000001B0000-0x000000000020C000-memory.dmp

          Filesize

          368KB

        • memory/2520-12-0x00000000001B0000-0x000000000020C000-memory.dmp

          Filesize

          368KB

        • memory/2520-3-0x0000000075090000-0x0000000075106000-memory.dmp

          Filesize

          472KB

        • memory/2520-2-0x0000000075110000-0x0000000075186000-memory.dmp

          Filesize

          472KB

        • memory/2520-23-0x00000000001B0000-0x000000000020C000-memory.dmp

          Filesize

          368KB

        • memory/2520-24-0x0000000075110000-0x0000000075190000-memory.dmp

          Filesize

          512KB

        • memory/2520-25-0x0000000075090000-0x0000000075106000-memory.dmp

          Filesize

          472KB