Analysis

  • max time kernel
    95s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-12-2024 20:09

General

  • Target

    7ac19536816657338fea7d09f0072158aff97ed2145cf133b3d312f5691f859c.exe

  • Size

    152KB

  • MD5

    eaf7832ffb424512b69d09b64eb4d5e0

  • SHA1

    e30f9f8c86e3b0b8261dd55784f6f3e58f14202e

  • SHA256

    7ac19536816657338fea7d09f0072158aff97ed2145cf133b3d312f5691f859c

  • SHA512

    9409addc001783272292c030e4a84199def6189b93be355b5341072754214b3bcdd55ba52d1a7be2da6a21ab04e112986fb8a1b3139ac7d5fadb0b81b7810187

  • SSDEEP

    3072:SR2xn3k0CdM1vabyzJYWqChYZ4z1sxtbjIUWnoRzp:SR2J0LS6VlZ4zytbLt

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 2 IoCs
  • UPX packed file 11 IoCs

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

  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 6 IoCs
  • Hijack Execution Flow: DLL Search Order Hijacking 1 TTPs

    Possible initial access via DLL redirection search order hijacking.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 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 50 IoCs
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7ac19536816657338fea7d09f0072158aff97ed2145cf133b3d312f5691f859c.exe
    "C:\Users\Admin\AppData\Local\Temp\7ac19536816657338fea7d09f0072158aff97ed2145cf133b3d312f5691f859c.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4572
    • C:\Program Files (x86)\Microsoft\WaterMark.exe
      "C:\Program Files (x86)\Microsoft\WaterMark.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:4548
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:3612
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3612 -s 204
            4⤵
            • Program crash
            PID:1104
        • 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:1324
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1324 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:3332
        • 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:5056
          • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
            "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5056 CREDAT:17410 /prefetch:2
            4⤵
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:3932
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3612 -ip 3612
      1⤵
        PID:3156

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Program Files (x86)\Microsoft\WaterMark.exe

        Filesize

        152KB

        MD5

        eaf7832ffb424512b69d09b64eb4d5e0

        SHA1

        e30f9f8c86e3b0b8261dd55784f6f3e58f14202e

        SHA256

        7ac19536816657338fea7d09f0072158aff97ed2145cf133b3d312f5691f859c

        SHA512

        9409addc001783272292c030e4a84199def6189b93be355b5341072754214b3bcdd55ba52d1a7be2da6a21ab04e112986fb8a1b3139ac7d5fadb0b81b7810187

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

        Filesize

        471B

        MD5

        87f8376b71b1fd35da4b511eff055888

        SHA1

        0c55fba0aa699282bbe4d129dd0ba16d4e377ce9

        SHA256

        a1383ed3b4f8967fb19f5b16bfe41eb3242b296ffc06c1098fbe1d1a04a7003f

        SHA512

        8556ed20a3d9daf8f74b2eceaab6a3773b69d5c9524ba8dbb8af1ad64b2235165e487c41646e357be5906aaa7f0f4c57ff8dc9ea2acc0c87f443d3ad083c9031

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

        Filesize

        404B

        MD5

        87cd42be5c34a35e160acc29c9366607

        SHA1

        43a1bfc7b1fbab20944a40593bc054a2de813d29

        SHA256

        fe8c7784269135dcd5ed3c091d8a979e793b1d1356c6478e4b9c5bf727ae3a3f

        SHA512

        dce3afd6820b034cce34468dbe95c75e5654e7da8c903052a081d843d7a8e9890c562a79d8d52e89c6072d57657428f626ea93a91bdf39dba434e7301fe64be9

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

        Filesize

        404B

        MD5

        750ee46439c9a29765a1791df595a5ae

        SHA1

        0c0fb404738dbd983c0e75f7d3f90b9518c4ad0b

        SHA256

        d8e333fedfa9ade718ce040aa68dd463902fa35fe94d5757637f522e995fdf3c

        SHA512

        9c0c84e176c41c51c762fb0e56fb52e8328ead40f5116542d3b46684f33b86860a7d2ad87feef961f241db50e6ac8988cbe43ccaeba9f5fd60f9b8201a96d63e

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

        Filesize

        404B

        MD5

        f37aa0388119a7bffbffe5d218d9b922

        SHA1

        161bb3ff1dc5c7c9493da3cbea5aced12424605a

        SHA256

        664c142da9969b748d358a4c754ebe8c0de42b1223a32d3e8507dfe2abb3a56a

        SHA512

        ed963d5d68a7fa85179e391343f5ea1bbe24c1e4816652c441ba6c4d6502884d6eb8c617e9cc593dbe1bc1a95df6246f3334487585744e8df5b66ee5d9a33a5f

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{AC2AB1AB-B732-11EF-ADF2-D2BD7E71DA05}.dat

        Filesize

        5KB

        MD5

        4a74f38a0c5c76fc2abcd57521cc6d5b

        SHA1

        d7a523f178b789384ee40457a05aef03daa5f97b

        SHA256

        6e7d8507b8da75aeb39954b0c318235cd6bea9cef56d79b5c31537953786c8e6

        SHA512

        24199c63e7c14951f93c224ca9aced1562d7d5f0d67555184b7df9392d788fbca643e9d5653b9de686d2f72462e513044a5b4e122c37d193c0b552be98b08725

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{AC2F76A5-B732-11EF-ADF2-D2BD7E71DA05}.dat

        Filesize

        3KB

        MD5

        f1dfbc4f23e88eea86b455bebed13249

        SHA1

        3501163a584dfc3534c0afcccacced0314456310

        SHA256

        e82fe8e116de28e40ef0f374a8953e0c9c980380948bb256e9ba0ad278eb377a

        SHA512

        0a50ec0f8a8f00666e3772b38c6ba70d477df646d5c789202ebbd35bbd94163a8931aabda1678569a192fcdacd82a0e15117d63bfb3a87fe94607f51207abbea

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\versionlist.xml

        Filesize

        15KB

        MD5

        1a545d0052b581fbb2ab4c52133846bc

        SHA1

        62f3266a9b9925cd6d98658b92adec673cbe3dd3

        SHA256

        557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

        SHA512

        bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\PGH3GSHW\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • C:\Users\Admin\AppData\Roaming\Wplugin.dll

        Filesize

        108KB

        MD5

        8847a8302dacc1d6fca61f125c8fe8e0

        SHA1

        f399142bbf03660bee1df555ebbf3acc8f658cf0

        SHA256

        9c2726defa122089f8251fa104f76d66830f448774ab9bd634adbb6e492e3943

        SHA512

        2b028bb4139c352b80db1509d1a3f479a8ef7e9b3b73ddbf62e2d83d4e59adf4a0bd6b9d68409bc0b6fafb7a5f56844fbfed6d00b824a6b370689801ce1c837f

      • memory/3612-42-0x00000000012E0000-0x00000000012E1000-memory.dmp

        Filesize

        4KB

      • memory/3612-43-0x00000000012C0000-0x00000000012C1000-memory.dmp

        Filesize

        4KB

      • memory/4548-45-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4548-46-0x0000000077DF2000-0x0000000077DF3000-memory.dmp

        Filesize

        4KB

      • memory/4548-39-0x0000000000060000-0x0000000000061000-memory.dmp

        Filesize

        4KB

      • memory/4548-40-0x0000000077DF2000-0x0000000077DF3000-memory.dmp

        Filesize

        4KB

      • memory/4548-50-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4548-38-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4548-44-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/4548-47-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4572-0-0x0000000000400000-0x0000000000423000-memory.dmp

        Filesize

        140KB

      • memory/4572-13-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4572-8-0x0000000000400000-0x0000000000423000-memory.dmp

        Filesize

        140KB

      • memory/4572-12-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4572-28-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4572-16-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4572-21-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4572-23-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4572-20-0x0000000000910000-0x0000000000911000-memory.dmp

        Filesize

        4KB

      • memory/4572-11-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/4572-1-0x0000000000401000-0x0000000000402000-memory.dmp

        Filesize

        4KB