Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2024 04:07

General

  • Target

    e1ac3b22c0c662ac73d00dfdac72eb76060ab5de96f07a0d90051d98c3c8deef.dll

  • Size

    120KB

  • MD5

    37dfec49f5a86964620cbbfbc86873f2

  • SHA1

    1dbf1147f698c0a1d00f8f0b6c544e0ced076c7f

  • SHA256

    e1ac3b22c0c662ac73d00dfdac72eb76060ab5de96f07a0d90051d98c3c8deef

  • SHA512

    7db07d4bc73b79cfb82fc58a058869b8d6a4efd3af311c69dbb66161976452853b20577f63993442f5ef3e50eea0e31b12708d138dcbbfa4c024db92d89ea388

  • SSDEEP

    1536:kAOZwHT717E6koRzcg2rMGII6+zIKZlBdepsqo8VeyM38SoJgX036:Oq7iyRYg2rtIGzLrqsqf8svJe0

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

Signatures

  • Modifies firewall policy service 3 TTPs 6 IoCs
  • Sality

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

  • Sality family
  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 17 IoCs

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

  • UPX packed file 26 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1120
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1180
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1208
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\e1ac3b22c0c662ac73d00dfdac72eb76060ab5de96f07a0d90051d98c3c8deef.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2624
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\e1ac3b22c0c662ac73d00dfdac72eb76060ab5de96f07a0d90051d98c3c8deef.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2964
              • C:\Users\Admin\AppData\Local\Temp\f7663f1.exe
                C:\Users\Admin\AppData\Local\Temp\f7663f1.exe
                4⤵
                • Modifies firewall policy service
                • UAC bypass
                • Windows security bypass
                • Executes dropped EXE
                • Windows security modification
                • Checks whether UAC is enabled
                • Enumerates connected drives
                • Drops file in Windows directory
                • System Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2568
              • C:\Users\Admin\AppData\Local\Temp\f766577.exe
                C:\Users\Admin\AppData\Local\Temp\f766577.exe
                4⤵
                • Executes dropped EXE
                PID:588
              • C:\Users\Admin\AppData\Local\Temp\f767fab.exe
                C:\Users\Admin\AppData\Local\Temp\f767fab.exe
                4⤵
                • Modifies firewall policy service
                • UAC bypass
                • Windows security bypass
                • Executes dropped EXE
                • Windows security modification
                • Checks whether UAC is enabled
                • Enumerates connected drives
                • Drops file in Windows directory
                • System Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2992
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1696

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            256B

            MD5

            37bbfea91225d58fd8180177c1d32e10

            SHA1

            a635bcc14ed1b97b90147d3a2b512c391ca52449

            SHA256

            60af9739b219048b166c13e42025cbfbb6fae5981967c443f3a3e0a0d6730d30

            SHA512

            f43cb8c6224a4edbb374ea261a11e829d1ea8f78c3df1c0b74d521358e049a3ff357176bcbd2b150599c04de5537674f24d60f48ee81167a9bfa89fb5a79d82d

          • \Users\Admin\AppData\Local\Temp\f7663f1.exe

            Filesize

            97KB

            MD5

            f36790cefd89e583d33dcf8b425dcc46

            SHA1

            f55069395faa05aa41d478bbfa46f28b54fa64f9

            SHA256

            f899a40e749505eab83fd72c30251f2a3260c318fd9724a18a72176606969254

            SHA512

            d9ccde87067336ec3d1255d34256eaabbd2b2efd23f2f58b181275c80016f7f50f662b75dfbb77e23cd84682bb04b4c741b52bafde46927a65e04861e7890ab5

          • memory/588-156-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/588-126-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/588-97-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/588-98-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/588-104-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/588-61-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1120-31-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2568-63-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2568-68-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2568-18-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2568-24-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2568-152-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2568-50-0x0000000002F40000-0x0000000002F42000-memory.dmp

            Filesize

            8KB

          • memory/2568-47-0x0000000003BA0000-0x0000000003BA1000-memory.dmp

            Filesize

            4KB

          • memory/2568-151-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2568-111-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2568-21-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2568-17-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2568-22-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2568-20-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2568-19-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2568-109-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2568-25-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2568-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2568-108-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2568-62-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2568-15-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2568-64-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2568-66-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2568-65-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2568-23-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2568-69-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2568-89-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2568-87-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2568-73-0x0000000002F40000-0x0000000002F42000-memory.dmp

            Filesize

            8KB

          • memory/2568-84-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2964-59-0x00000000002C0000-0x00000000002C2000-memory.dmp

            Filesize

            8KB

          • memory/2964-4-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2964-74-0x0000000000460000-0x0000000000472000-memory.dmp

            Filesize

            72KB

          • memory/2964-38-0x00000000002D0000-0x00000000002D1000-memory.dmp

            Filesize

            4KB

          • memory/2964-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2964-57-0x00000000002C0000-0x00000000002C2000-memory.dmp

            Filesize

            8KB

          • memory/2964-12-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2964-58-0x00000000002E0000-0x00000000002F2000-memory.dmp

            Filesize

            72KB

          • memory/2964-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2964-83-0x00000000002C0000-0x00000000002C2000-memory.dmp

            Filesize

            8KB

          • memory/2964-46-0x00000000002D0000-0x00000000002D1000-memory.dmp

            Filesize

            4KB

          • memory/2964-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2964-37-0x00000000002C0000-0x00000000002C2000-memory.dmp

            Filesize

            8KB

          • memory/2992-209-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2992-107-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2992-170-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2992-169-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2992-210-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2992-105-0x00000000002C0000-0x00000000002C1000-memory.dmp

            Filesize

            4KB