Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 22:33

General

  • Target

    c798ccf0550a5c4563a1043fc293880fb2aadfc98139b0feadc70214d02920a1.dll

  • Size

    4.6MB

  • MD5

    c061175d296199aa792e96e631ba674f

  • SHA1

    7e08c49c08f11201539fbc55c54f4f41579597f3

  • SHA256

    c798ccf0550a5c4563a1043fc293880fb2aadfc98139b0feadc70214d02920a1

  • SHA512

    9b86fd9b29a5b2b5e186962b3358ab50ebada1540d448c0565a8a17819e98eb001c499b9891b362642b0bcbab726b731c9bfbb9178ea906c243e8ca8be39be74

  • SSDEEP

    49152:J9FV+oNBxTvOjP+leaI7ROSNM9LItKf+Pm9UMIJe7YHLk9z4OGLuFp7HGG0Gevy1:yqvOjPubI7R5G4m9UMIxQGsAd2

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • 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 1 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 11 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\c798ccf0550a5c4563a1043fc293880fb2aadfc98139b0feadc70214d02920a1.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2948
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\c798ccf0550a5c4563a1043fc293880fb2aadfc98139b0feadc70214d02920a1.dll
      2⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2296
      • C:\Windows\SysWOW64\regsvr32mgr.exe
        C:\Windows\SysWOW64\regsvr32mgr.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:616
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 616 -s 180
          4⤵
          • Program crash
          PID:2132

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\~TME11C.tmp

    Filesize

    1.2MB

    MD5

    d124f55b9393c976963407dff51ffa79

    SHA1

    2c7bbedd79791bfb866898c85b504186db610b5d

    SHA256

    ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

    SHA512

    278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

  • \Users\Admin\AppData\Local\Temp\~TME14B.tmp

    Filesize

    1.1MB

    MD5

    9b98d47916ead4f69ef51b56b0c2323c

    SHA1

    290a80b4ded0efc0fd00816f373fcea81a521330

    SHA256

    96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

    SHA512

    68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

  • \Windows\SysWOW64\regsvr32mgr.exe

    Filesize

    106KB

    MD5

    fe36fb1073e6f8fa14d7250501a29aaf

    SHA1

    6c7e01278362797dabcff3e666b68227cb9af10f

    SHA256

    f34e5af97ccb3574f7d5343246138daf979bfd1f9c37590e9a41f6420ddb3bb6

    SHA512

    8584c008c5780352f634c37b7f46543a26280b57577b675f6e72185bfc1d95f771d210d799d704eceaba509ebfd2796fb43829495d5b2a568c741ad2d44f882f

  • memory/616-11-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/616-10-0x0000000000220000-0x000000000024A000-memory.dmp

    Filesize

    168KB

  • memory/616-17-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/2296-9-0x00000000748D0000-0x0000000074E50000-memory.dmp

    Filesize

    5.5MB

  • memory/2296-19-0x00000000748D0000-0x0000000074E50000-memory.dmp

    Filesize

    5.5MB