Analysis

  • max time kernel
    94s
  • max time network
    117s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-01-2025 17:17

General

  • Target

    d290cce19549a56e0e047981e9fcf1a377eb47584a7427ff0bddd04bd12a202eN.dll

  • Size

    564KB

  • MD5

    18984ae0fccd3fbf2176b8386ac98980

  • SHA1

    57fa09cfc324b78fcfacf797c20a4d9d9e5807bb

  • SHA256

    d290cce19549a56e0e047981e9fcf1a377eb47584a7427ff0bddd04bd12a202e

  • SHA512

    2da7813cd076582b5f2c2359f6c7aef241d0fe22330a60c4b5821c969a7ea957f9364fd96ea4ce764b521094c2a07c25145280cd9480f0f5b0071f09c5288c77

  • 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 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 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\d290cce19549a56e0e047981e9fcf1a377eb47584a7427ff0bddd04bd12a202eN.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2352
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d290cce19549a56e0e047981e9fcf1a377eb47584a7427ff0bddd04bd12a202eN.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2816
      • 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 behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of UnmapMainImage
        • Suspicious use of WriteProcessMemory
        • System policy modification
        PID:2856
        • 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:2416
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\system32\svchost.exe
            5⤵
              PID:3452
            • 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:2632
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2632 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:3220
            • 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:1140
              • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
                "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1140 CREDAT:17410 /prefetch:2
                6⤵
                • System Location Discovery: System Language Discovery
                • Modifies Internet Explorer settings
                • Suspicious use of SetWindowsHookEx
                PID:2616
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2816 -s 608
          3⤵
          • Program crash
          PID:1092
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2816 -ip 2816
      1⤵
        PID:2008

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        471B

        MD5

        ce36378334f2edb4e728e0632afebb70

        SHA1

        89d54efcb8c7bbe532e5ad91b38468279d3f5c93

        SHA256

        6be47a3ecfbf81a123c297ee65d70177b4010bfbe728b94b4337453683b9a6e1

        SHA512

        3e09cc9ece1907c072f02f768ec749ceef3b8913f394bb075b1948d0409b7910670b91da7d35160c211d0bf8df05e83409a1ad7493ea53864c41f37305f75aa2

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

        Filesize

        404B

        MD5

        4834bdbbf273dad4d49edd9aab2eb728

        SHA1

        4771d28d68dda29a0c60d024913e65a1adb3db67

        SHA256

        f1479264c74f9c850a3aeddd632ff923c9fe1236a83c5167779d5f6e93c6dc00

        SHA512

        ace7f309d775ff703d8eaf7a38d3751566169d10527c7d58f5223235b6b3b6d8903ab8160bb9323bc4b9f18a2e33af602d2ab2749a4f663f4adc1d046b4ce0aa

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

        Filesize

        404B

        MD5

        cbf4b1703916efe9e361fbff20770979

        SHA1

        7914bace4b95d10e90f1af52a7d86769c476151d

        SHA256

        916e069ed42a22b62e1011da8862138ce47763967711c366f54ca8fe505b7f50

        SHA512

        dec6d2546c651d73bf71e5c3af90f1836d08cf052b9d777cebb02f00803e1f4ccf8dacb35f42d296f014759ecd0797bc19715484bf37dc9d913d5568b9a463fa

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{2A3FD8AC-DA77-11EF-9361-5EA348B38F9D}.dat

        Filesize

        4KB

        MD5

        4ee87cf378612f495ac382f20ccf084a

        SHA1

        106da8aa3eddeb1d30757baa22ef4d4b1bf87389

        SHA256

        99a05156c49120d70fe6f1dad097d3399e78cfe75cec09937512bc05d0263ff0

        SHA512

        415dacc4274dad143e3149244c5984f9e39c270de15b67687dc3ef73b8e8b8ff25ed1fc976f9120eb6f5e76aeb52470d5bfbc9a4fcd5907b61886d65751ae356

      • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{2A423AEE-DA77-11EF-9361-5EA348B38F9D}.dat

        Filesize

        5KB

        MD5

        2b3949be112e72c9491a63c72ed9adca

        SHA1

        02fc352132073f93a3866088e2036c6fb772dbdd

        SHA256

        351512ead9ad58b3b0948a6f02f6c50887f25e87a89d85de55f41e9cc6ec8cff

        SHA512

        b29ef2243ec35b7ac8b1515e122d5a98249b8f02e1dc30b767d94400cab563351a4802c129427424f7f8d0c9ce0959b278ab26ad34d613bfebf3bcb04c7eccbe

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0BHOTC3C\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/2416-47-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2416-45-0x0000000077A02000-0x0000000077A03000-memory.dmp

        Filesize

        4KB

      • memory/2416-32-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB

      • memory/2416-50-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2416-42-0x0000000077A02000-0x0000000077A03000-memory.dmp

        Filesize

        4KB

      • memory/2416-41-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2416-40-0x0000000000060000-0x0000000000061000-memory.dmp

        Filesize

        4KB

      • memory/2416-44-0x0000000000070000-0x0000000000071000-memory.dmp

        Filesize

        4KB

      • memory/2816-1-0x0000000010000000-0x000000001008B000-memory.dmp

        Filesize

        556KB

      • memory/2816-46-0x0000000010000000-0x000000001008B000-memory.dmp

        Filesize

        556KB

      • memory/2856-10-0x0000000003320000-0x00000000043AE000-memory.dmp

        Filesize

        16.6MB

      • memory/2856-18-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2856-13-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2856-12-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2856-15-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2856-8-0x0000000003320000-0x00000000043AE000-memory.dmp

        Filesize

        16.6MB

      • memory/2856-9-0x0000000003320000-0x00000000043AE000-memory.dmp

        Filesize

        16.6MB

      • memory/2856-14-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2856-19-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2856-28-0x0000000000850000-0x0000000000851000-memory.dmp

        Filesize

        4KB

      • memory/2856-27-0x0000000000400000-0x0000000000421000-memory.dmp

        Filesize

        132KB

      • memory/2856-23-0x0000000003320000-0x00000000043AE000-memory.dmp

        Filesize

        16.6MB

      • memory/2856-11-0x0000000003320000-0x00000000043AE000-memory.dmp

        Filesize

        16.6MB

      • memory/2856-6-0x0000000003320000-0x00000000043AE000-memory.dmp

        Filesize

        16.6MB

      • memory/2856-4-0x0000000000400000-0x0000000000434000-memory.dmp

        Filesize

        208KB