Analysis

  • max time kernel
    93s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-01-2025 21:08

General

  • Target

    1f4d3cc119bda320b6150dce276a8db7a1fff16360f3fb8326f9920185d61e18.dll

  • Size

    564KB

  • MD5

    b22705b32d9b101403e9f3e751faba5e

  • SHA1

    4fb5a1b18fcb85547db3ecdb1bde29c0ebff7bae

  • SHA256

    1f4d3cc119bda320b6150dce276a8db7a1fff16360f3fb8326f9920185d61e18

  • SHA512

    55baeedf7898d0c7f6e96a887c52c412865bee3b01e916de82cd498eb24e6c1955ef46286351205909089a5c0bc1a715b174b3a8ce42fcf60b5408ad26f0798d

  • SSDEEP

    12288:tehnaNPpSVZmNxRCwnwm3W3OHIIf5m9RhWFVk:teh0PpS6NxNnwYeOHXAhWTk

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

Signatures

  • Modifies firewall policy service 3 TTPs 3 IoCs
  • Ramnit

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

  • Ramnit family
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Executes dropped EXE 2 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 16 IoCs

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

  • Drops file in Program Files directory 3 IoCs
  • Drops file in Windows directory 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 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 45 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 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 28 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\1f4d3cc119bda320b6150dce276a8db7a1fff16360f3fb8326f9920185d61e18.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2456
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\1f4d3cc119bda320b6150dce276a8db7a1fff16360f3fb8326f9920185d61e18.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4672
      • C:\Windows\SysWOW64\rundll32mgr.exe
        C:\Windows\SysWOW64\rundll32mgr.exe
        3⤵
        • Modifies firewall policy service
        • UAC bypass
        • Windows security bypass
        • Executes dropped EXE
        • Windows security modification
        • Checks whether UAC is enabled
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of UnmapMainImage
        • Suspicious use of WriteProcessMemory
        • System policy modification
        PID:5088
        • C:\Program Files (x86)\Microsoft\WaterMark.exe
          "C:\Program Files (x86)\Microsoft\WaterMark.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of UnmapMainImage
          • Suspicious use of WriteProcessMemory
          PID:3300
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:1412
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe"
              5⤵
              • Modifies Internet Explorer settings
              • Suspicious use of FindShellTrayWindow
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:2728
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2728 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:5112
            • C:\Program Files\Internet Explorer\iexplore.exe
              "C:\Program Files\Internet Explorer\iexplore.exe"
              5⤵
              • Modifies Internet Explorer settings
              • Suspicious use of FindShellTrayWindow
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:1668
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1668 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:4472
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4672 -s 608
          3⤵
          • Program crash
          PID:2848
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4672 -ip 4672
      1⤵
        PID:4240

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        471B

        MD5

        4363732b094e06ea613be8ca268f5460

        SHA1

        ad4d6ca8f2362a24800a1f752f99d7c55c0ce862

        SHA256

        0bc53d2e4ba5d43da581d2eda05c56f2c3a93407b3d35c8d630507c0fb81a21d

        SHA512

        b5c075fbcbead37980c28e3e8745339445d1e5bc4c873ca70995012c72f09dd1f4cd315faf02589be84fd6b7683673836df8d228cd94e6e6c3e3659081af4c99

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

        Filesize

        404B

        MD5

        a35070f2cddb35406035a69604123467

        SHA1

        28a7126e975658dadfca5fa9ae988b8b8e2d4246

        SHA256

        a20d41e30f9b5bc778bfa957c4289e7647484c82b10abe5a7c16069d735381b9

        SHA512

        bb873bcd6c8ca98644e96aa5148e149e5298ed2b0c25dcc29c867131df4dd86538e6116044c65f9a8e19f039f159fd754b7c3a4e3902665f6f5d0d25b1cf1a19

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

        Filesize

        404B

        MD5

        02b8c328c7d5151bd288b74c1c5f290c

        SHA1

        d36fdbe0cd1e26846007c4641fdad5d3e3c3e064

        SHA256

        f5d296b1e951b3e1e2e5a9d0c15f177c3335b46530872ca247b0306b4f4dabcb

        SHA512

        3944ca55f4f13aa105721e07e5b5917c08eac88ce53b384a5968a4f51f090cbe113e10018a091e07b5d6435505a66afac33d9b2ab7700bbb2806ca69a35d256c

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{685FA362-D5E0-11EF-BDBF-4A034D48373C}.dat

        Filesize

        5KB

        MD5

        7edf527b367defb8e6665250c5d1f834

        SHA1

        bed6c1fb0add341060044b3360bc0165b2b8b10a

        SHA256

        0224b182465c06fa5263c1f399f786c275656e34f4509f3d661333f5879da9e3

        SHA512

        9b6a85ef5df6f4c503b82b0d4141806a5bffda1dbe5525b2a136b5642753c5c98e478d1f3759d044574fd3640d849bb23692e52e894547034b160ee0dbde411d

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{68692B83-D5E0-11EF-BDBF-4A034D48373C}.dat

        Filesize

        3KB

        MD5

        cbe1284dabfa07e0e2008f02e9d8c0ee

        SHA1

        d865d1f698d0f4f5e31dcc5d9a7d2fda8b6f7065

        SHA256

        e274ff66cf7519f0b1607e1276d6219e8eb3f99486818b48afb2764a2cc7d8f5

        SHA512

        b84624e8cc9de43bfeef7d5063d974da9ee98d849f5fa8a46dcca77560e12057a4a43d07407b04dec37c0e7653e6a03670a51bbf9bb7553a76ad30ad902e19f2

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\6IJLDY7V\suggestions[1].en-US

        Filesize

        17KB

        MD5

        5a34cb996293fde2cb7a4ac89587393a

        SHA1

        3c96c993500690d1a77873cd62bc639b3a10653f

        SHA256

        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

        SHA512

        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

      • C:\Windows\SysWOW64\rundll32mgr.exe

        Filesize

        164KB

        MD5

        a3b1f1c4cd75bea10095e054f990bf1d

        SHA1

        15bf037b2166d2533e12bbec9f1d5f9a3ad8c81b

        SHA256

        a4c51942f696650a7ce0530a88c3742380ac82bc1ddc75c24d1417f0958caaee

        SHA512

        7457591c9676baa6043e4c3ae6ede364f19964c4e4e6a91a06e148221402791cabf9d5ab2bfcb629120ab136fee0a2994c0830f7cbfb112c5c6b07109b6a1a94

      • memory/3300-37-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3300-45-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3300-43-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/3300-38-0x00000000779F2000-0x00000000779F3000-memory.dmp

        Filesize

        4KB

      • memory/3300-36-0x0000000000430000-0x0000000000431000-memory.dmp

        Filesize

        4KB

      • memory/3300-27-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/3300-44-0x00000000779F2000-0x00000000779F3000-memory.dmp

        Filesize

        4KB

      • memory/3300-42-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/3300-41-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/4672-1-0x0000000010000000-0x000000001008B000-memory.dmp

        Filesize

        556KB

      • memory/4672-40-0x0000000010000000-0x000000001008B000-memory.dmp

        Filesize

        556KB

      • memory/5088-12-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/5088-16-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/5088-17-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/5088-20-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/5088-25-0x0000000003650000-0x00000000046DE000-memory.dmp

        Filesize

        16.6MB

      • memory/5088-26-0x00000000009A0000-0x00000000009A1000-memory.dmp

        Filesize

        4KB

      • memory/5088-21-0x0000000003650000-0x00000000046DE000-memory.dmp

        Filesize

        16.6MB

      • memory/5088-8-0x0000000003650000-0x00000000046DE000-memory.dmp

        Filesize

        16.6MB

      • memory/5088-9-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/5088-10-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/5088-11-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/5088-13-0x0000000003650000-0x00000000046DE000-memory.dmp

        Filesize

        16.6MB

      • memory/5088-6-0x0000000003650000-0x00000000046DE000-memory.dmp

        Filesize

        16.6MB

      • memory/5088-5-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB