Analysis

  • max time kernel
    146s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    31/03/2024, 11:47

General

  • Target
    x3286.exe
  • Size 254KB
  • Sample240331-nyagvabd98
  • SHA256 5283470c1787f63b15a96fad7c9db4c576ece919435b62d16a3dbc45800bd3e4
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Ramnit

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

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 4 IoCs

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

  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 52 IoCs
  • Suspicious behavior: EnumeratesProcesses 45 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 11 IoCs
  • Suspicious use of WriteProcessMemory 45 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\x3286.exe
    "C:\Users\Admin\AppData\Local\Temp\x3286.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1916
    • C:\Users\Admin\AppData\Local\Temp\x3286mgr.exe
      C:\Users\Admin\AppData\Local\Temp\x3286mgr.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2196
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe"
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3040
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3040 CREDAT:275457 /prefetch:2
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:2588
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe"
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2392
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2392 CREDAT:275457 /prefetch:2
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:2544
    • C:\Windows\SysWOW64\tracerpt.exe
      "C:\Windows\SysWOW64\tracerpt.exe"
      2⤵
      • Enumerates connected drives
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2492
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\SysWOW64\svchost.exe
        3⤵
          PID:3012
    • C:\Windows\system32\taskeng.exe
      taskeng.exe {7DC650EB-3C78-4C4A-BAAB-3461792BA0BE} S-1-5-18:NT AUTHORITY\System:Service:
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:2256
      • C:\ProgramData\MicrosoftEdgeUpdate.exe
        C:\ProgramData\MicrosoftEdgeUpdate.exe
        2⤵
        • Executes dropped EXE
        PID:2448
      • C:\ProgramData\MicrosoftEdgeUpdate.exe
        C:\ProgramData\MicrosoftEdgeUpdate.exe
        2⤵
        • Executes dropped EXE
        PID:2984

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          MicrosoftEdgeUpdate.exe

          • Path C:\ProgramData\MicrosoftEdgeUpdate.exe
          • Size 356KB
          • SHA256 3dfca17b31eb436372d367d5417a8831097633483c3ed676e5f252d9d35ca070
          • MD5 SHA1 SHA512 SSDEEP

          94308059B57B3142E455B38A6EB92015

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
          • Size 68KB
          • SHA256 1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184
          • MD5 SHA1 SHA512 SSDEEP

          94308059B57B3142E455B38A6EB92015

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
          • Size 344B
          • SHA256 4bf18f301683c3dd5ed391c2a441630c0caf3b5dea8fdf8281071e644c266d9d
          • MD5 SHA1 SHA512

          94308059B57B3142E455B38A6EB92015

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
          • Size 344B
          • SHA256 886f3ec17f55e79251eb17d31fb5719094a8873d284af9b379b4443bc8502fda
          • MD5 SHA1 SHA512

          94308059B57B3142E455B38A6EB92015

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
          • Size 344B
          • SHA256 cf34f4134f25dbc9064a00fde0523e9266506082dbde7df59cc0b2b5532bf6ce
          • MD5 SHA1 SHA512

          94308059B57B3142E455B38A6EB92015

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
          • Size 344B
          • SHA256 709c8537eaf73aeb17ca6188871fc5f65bddfdb0df8dab89408d54a19f7c6367
          • MD5 SHA1 SHA512

          94308059B57B3142E455B38A6EB92015

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
          • Size 344B
          • SHA256 2457e2da909665698a9b179c0d9ac56476c72e66176cf45829be411b0ac884c2
          • MD5 SHA1 SHA512

          94308059B57B3142E455B38A6EB92015

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
          • Size 344B
          • SHA256 8f5bf91b0f4d279ebe3512f04270c5624f5dbf7eb60c14ccc39bf90c6c202d21
          • MD5 SHA1 SHA512

          94308059B57B3142E455B38A6EB92015

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
          • Size 344B
          • SHA256 2d05761513743950d6239188c597748c28bdd1f648db0c2f6a7a00d507830484
          • MD5 SHA1 SHA512

          94308059B57B3142E455B38A6EB92015

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
          • Size 344B
          • SHA256 4d4adca7cd09aef92f528ddac43678fdd0d493e5a7ce59c8d47ed96d03b3fca5
          • MD5 SHA1 SHA512

          94308059B57B3142E455B38A6EB92015

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
          • Size 344B
          • SHA256 7eb5d753e81429270b8fa5812408152a877541dd9e1f80e0f0516fb784a52100
          • MD5 SHA1 SHA512

          94308059B57B3142E455B38A6EB92015

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
          • Size 344B
          • SHA256 3b0ee8b1bc246a8c3f767bcd8b6e2b88871fe4c40ac52e692679830667af63dd
          • MD5 SHA1 SHA512

          94308059B57B3142E455B38A6EB92015

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
          • Size 344B
          • SHA256 cd5e92b485362f098b53558af0fa758cca061f5f64865b9979ca6f62ff5d677e
          • MD5 SHA1 SHA512

          94308059B57B3142E455B38A6EB92015

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
          • Size 344B
          • SHA256 940118d743db30df6ecdf84aa7b6477091066a79e0f209c68a30f18322348596
          • MD5 SHA1 SHA512

          94308059B57B3142E455B38A6EB92015

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
          • Size 344B
          • SHA256 fb3f6b03aee319c86b0bbae000b3a37c2af29ffdaade5bfd59368cacb041eedb
          • MD5 SHA1 SHA512

          94308059B57B3142E455B38A6EB92015

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
          • Size 344B
          • SHA256 24f1da6c26b111552d8c5658e931b7cc12d35438d0ec109fb5e2458d56352cd4
          • MD5 SHA1 SHA512

          94308059B57B3142E455B38A6EB92015

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
          • Size 344B
          • SHA256 151739b8c18e1962eb449d22c911a19665de5b58adf1a83667f893ab51e5b1ae
          • MD5 SHA1 SHA512

          94308059B57B3142E455B38A6EB92015

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
          • Size 344B
          • SHA256 137e4f71c41312fcac256e629becf45af38dbeb9e0c69ed5532f65a5027d80e6
          • MD5 SHA1 SHA512

          94308059B57B3142E455B38A6EB92015

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
          • Size 344B
          • SHA256 6c152f78ad9532d92c4ac39f0fdebcbab4ff0a8fa65b26920fe29e88d9a77e7a
          • MD5 SHA1 SHA512

          94308059B57B3142E455B38A6EB92015

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
          • Size 344B
          • SHA256 1976a460204f4f1c9d5de899407305ea7050490ced9dfeea8ec7aa27ed2b1134
          • MD5 SHA1 SHA512

          94308059B57B3142E455B38A6EB92015

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
          • Size 344B
          • SHA256 02e1b006e079c10c4f6b5541af29f1b5c728982c520281e591f173200375c913
          • MD5 SHA1 SHA512

          RecoveryStore.{82225721-EF54-11EE-A7F1-FA5112F1BCBF}.dat

          • Path C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{82225721-EF54-11EE-A7F1-FA5112F1BCBF}.dat
          • Size 3KB
          • SHA256 d5fba039c1fcb153655efbb1bdb99077b67cc8fc833c8178319a6828f534dacd
          • MD5 SHA1 SHA512

          RecoveryStore.{82247A01-EF54-11EE-A7F1-FA5112F1BCBF}.dat

          • Path C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{82247A01-EF54-11EE-A7F1-FA5112F1BCBF}.dat
          • Size 5KB
          • SHA256 ad6c0f964f1d3507304d45018a01778426cec6fa933943f074b7c8c4bf3a7b4c
          • MD5 SHA1 SHA512 SSDEEP

          Cab23AA.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\Cab23AA.tmp
          • Size 65KB
          • SHA256 c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
          • MD5 SHA1 SHA512 SSDEEP

          Tar2860.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\Tar2860.tmp
          • Size 177KB
          • SHA256 67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34
          • MD5 SHA1 SHA512 SSDEEP

          x3286mgr.exe

          • Path \Users\Admin\AppData\Local\Temp\x3286mgr.exe
          • Size 99KB
          • SHA256 63b02a3e8e7e049d1f29cd4cd79fe5c8905754da6c023df72aa5cca351d0d5c5
          • MD5 SHA1 SHA512 SSDEEP

          memory/1916-11-0x0000000000400000-0x0000000000454000-memory.dmp

          memory/1916-0-0x0000000000F00000-0x0000000000F47000-memory.dmp

          memory/1916-8-0x0000000000400000-0x0000000000454000-memory.dmp

          memory/1916-541-0x0000000000F00000-0x0000000000F47000-memory.dmp

          memory/2196-13-0x0000000000340000-0x0000000000341000-memory.dmp

          memory/2196-16-0x0000000000400000-0x0000000000454000-memory.dmp

          memory/2196-14-0x0000000000400000-0x0000000000454000-memory.dmp

          memory/2196-15-0x00000000774CF000-0x00000000774D0000-memory.dmp

          memory/2196-10-0x00000000002E0000-0x00000000002E1000-memory.dmp

          memory/2196-31-0x0000000000400000-0x0000000000454000-memory.dmp

          memory/2196-12-0x00000000002A0000-0x00000000002A1000-memory.dmp

          memory/2492-21-0x00000000008B0000-0x00000000008EC000-memory.dmp

          memory/2492-542-0x00000000008B0000-0x00000000008EC000-memory.dmp

          memory/2492-517-0x00000000008B0000-0x00000000008EC000-memory.dmp

          memory/2492-518-0x0000000000A80000-0x0000000000A97000-memory.dmp

          memory/2492-524-0x00000000008B0000-0x00000000008EC000-memory.dmp

          memory/2492-525-0x00000000008B0000-0x00000000008EC000-memory.dmp

          memory/2492-526-0x00000000008B0000-0x00000000008EC000-memory.dmp

          memory/2492-528-0x00000000008B0000-0x00000000008EC000-memory.dmp

          memory/2492-530-0x00000000008B0000-0x00000000008EC000-memory.dmp

          memory/2492-527-0x0000000000900000-0x000000000090D000-memory.dmp

          memory/2492-535-0x00000000008B0000-0x00000000008EC000-memory.dmp

          memory/2492-537-0x00000000008B0000-0x00000000008EC000-memory.dmp

          memory/2492-539-0x00000000008B0000-0x00000000008EC000-memory.dmp

          memory/2492-540-0x00000000008B0000-0x00000000008EC000-memory.dmp

          memory/2492-485-0x00000000008B0000-0x00000000008EC000-memory.dmp

          memory/2492-486-0x00000000008B0000-0x00000000008EC000-memory.dmp

          memory/2492-1027-0x00000000008B0000-0x00000000008EC000-memory.dmp

          memory/2492-440-0x0000000010000000-0x000000001000D000-memory.dmp

          memory/2492-439-0x00000000008B0000-0x00000000008EC000-memory.dmp

          memory/2492-47-0x00000000008B0000-0x00000000008EC000-memory.dmp

          memory/2492-46-0x00000000008B0000-0x00000000008EC000-memory.dmp

          memory/2492-1026-0x00000000008B0000-0x00000000008EC000-memory.dmp

          memory/2492-25-0x00000000008B0000-0x00000000008EC000-memory.dmp

          memory/2492-24-0x00000000008B0000-0x00000000008EC000-memory.dmp

          memory/2492-23-0x00000000008B0000-0x00000000008EC000-memory.dmp

          memory/2492-22-0x00000000008B0000-0x00000000008EC000-memory.dmp

          memory/2492-20-0x0000000000080000-0x00000000000B5000-memory.dmp

          memory/2492-19-0x0000000000080000-0x00000000000B5000-memory.dmp

          memory/3012-26-0x00000000000C0000-0x00000000000C1000-memory.dmp

          memory/3012-543-0x00000000000D0000-0x00000000000D1000-memory.dmp