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Analysis

  • max time kernel
    44s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    28/10/2022, 20:09

General

  • Target

    9a2da43c31770737e087aa5d89375ad38edfb5d1ccf36d7f8e4adee543ae7b74.dll

  • Size

    451KB

  • MD5

    0cc2459d49e98fba1523fd625dadc7d0

  • SHA1

    6aa7d7b5795de1e8d88deb12e4f7074194ddefc6

  • SHA256

    9a2da43c31770737e087aa5d89375ad38edfb5d1ccf36d7f8e4adee543ae7b74

  • SHA512

    c19ff9f461a34f0b66aaa988db4b3f555f9a62eeef256aef2db570c5aafb7be027e5d0567e881706e5d0447dbb6a61061905d9b8be834ebd72da58e0e10705c9

  • SSDEEP

    6144:IxlKdRE3WBmv8QdDHViAsl5FRu56zQwmSkY2G5L8v1kcRv4Dyg32+LOpqOQXFTyP:iWBohJVi/KyzfMGt8uJn4I1y

Malware Config

Signatures

  • Ramnit

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

  • Executes dropped EXE 1 IoCs
  • UPX packed file 1 IoCs

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

  • Loads dropped DLL 4 IoCs
  • Drops file in System32 directory 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\9a2da43c31770737e087aa5d89375ad38edfb5d1ccf36d7f8e4adee543ae7b74.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1104
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\9a2da43c31770737e087aa5d89375ad38edfb5d1ccf36d7f8e4adee543ae7b74.dll
      2⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:1732
      • C:\Windows\SysWOW64\regsvr32mgr.exe
        C:\Windows\SysWOW64\regsvr32mgr.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:932
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 932 -s 180
          4⤵
          • Program crash
          PID:1608

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\SysWOW64\regsvr32mgr.exe

    Filesize

    106KB

    MD5

    fe36fb1073e6f8fa14d7250501a29aaf

    SHA1

    6c7e01278362797dabcff3e666b68227cb9af10f

    SHA256

    f34e5af97ccb3574f7d5343246138daf979bfd1f9c37590e9a41f6420ddb3bb6

    SHA512

    8584c008c5780352f634c37b7f46543a26280b57577b675f6e72185bfc1d95f771d210d799d704eceaba509ebfd2796fb43829495d5b2a568c741ad2d44f882f

  • \Users\Admin\AppData\Local\Temp\~TM5BC.tmp

    Filesize

    1.2MB

    MD5

    d124f55b9393c976963407dff51ffa79

    SHA1

    2c7bbedd79791bfb866898c85b504186db610b5d

    SHA256

    ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

    SHA512

    278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

  • \Users\Admin\AppData\Local\Temp\~TM697.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

  • \Windows\SysWOW64\regsvr32mgr.exe

    Filesize

    106KB

    MD5

    fe36fb1073e6f8fa14d7250501a29aaf

    SHA1

    6c7e01278362797dabcff3e666b68227cb9af10f

    SHA256

    f34e5af97ccb3574f7d5343246138daf979bfd1f9c37590e9a41f6420ddb3bb6

    SHA512

    8584c008c5780352f634c37b7f46543a26280b57577b675f6e72185bfc1d95f771d210d799d704eceaba509ebfd2796fb43829495d5b2a568c741ad2d44f882f

  • memory/932-65-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/932-66-0x0000000000230000-0x000000000025A000-memory.dmp

    Filesize

    168KB

  • memory/932-67-0x0000000077710000-0x0000000077890000-memory.dmp

    Filesize

    1.5MB

  • memory/1104-54-0x000007FEFBDB1000-0x000007FEFBDB3000-memory.dmp

    Filesize

    8KB

  • memory/1732-56-0x0000000075BB1000-0x0000000075BB3000-memory.dmp

    Filesize

    8KB

  • memory/1732-62-0x0000000000A00000-0x0000000000AC1000-memory.dmp

    Filesize

    772KB