Analysis

  • max time kernel
    27s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02-02-2025 15:00

General

  • Target

    1b5064f3a4ee4c186e88f53fa7d1912b5ec5fc5757acfb3aa8a1ac560d229c9f.dll

  • Size

    120KB

  • MD5

    fbd3ddf9b2d54edfbf990bb4fda6bb48

  • SHA1

    d0b42c2babaf5c32e952a99f1586cb597c66e5ff

  • SHA256

    1b5064f3a4ee4c186e88f53fa7d1912b5ec5fc5757acfb3aa8a1ac560d229c9f

  • SHA512

    05aa42d04410551da9586c107357513080a903ad1914fa5b2fcdebc7123eb4aa2d8833336b42585aa1e635fba46b16ede5f708b7d9ed71c9032f3b5d224fca35

  • SSDEEP

    1536:Hs7FJkDKARlakqs4/DIkGFS7XCPIDlm0NeG5efnLWWh3M/jusxXuvhH2rmEV3D:Hs7FJMvI8MGa2n1zguJQ3D

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 23 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 43 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1124
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1188
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1216
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\1b5064f3a4ee4c186e88f53fa7d1912b5ec5fc5757acfb3aa8a1ac560d229c9f.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1316
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\1b5064f3a4ee4c186e88f53fa7d1912b5ec5fc5757acfb3aa8a1ac560d229c9f.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1688
              • C:\Users\Admin\AppData\Local\Temp\f769e71.exe
                C:\Users\Admin\AppData\Local\Temp\f769e71.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:1652
              • C:\Users\Admin\AppData\Local\Temp\f76a026.exe
                C:\Users\Admin\AppData\Local\Temp\f76a026.exe
                4⤵
                • Executes dropped EXE
                PID:2628
              • C:\Users\Admin\AppData\Local\Temp\f76ba1b.exe
                C:\Users\Admin\AppData\Local\Temp\f76ba1b.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:2532
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1672

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            56aa010c332dcd04412b1942564b4bf9

            SHA1

            20e5a96e2758ee1a9d57ca7a79bca006ef5d910b

            SHA256

            d0337f1c80e335097761376e02ad99f68647ebf71f40b6e1b74eb81bd4d48348

            SHA512

            73d33dbb0aa6094161a9e9e270aa31b578ff51cecebaac73613a5c0e6061d28bee39d3edf4604f88d76644f3a6d297b01d901eb10b0416bb2c4fbfa867bb33af

          • \Users\Admin\AppData\Local\Temp\f769e71.exe

            Filesize

            97KB

            MD5

            01baa4461411df3dc6d480ed6e1b9c30

            SHA1

            0e0e2cdb6c0d8b404a9baf91a71f2ba7299f536f

            SHA256

            834e1cb99516be9ced06c76b9f08deb433f12a339ff73d124ddcc43a596c716b

            SHA512

            8a895d5bd11c6b109eecbfe6c2ffff43b9d84eab17737e9b04f16ec373215ec24237ccbbfe0e89da17eb99e2cdcd434a450b27a8b9ba2b6afd1e67fa09444222

          • memory/1124-32-0x0000000002130000-0x0000000002132000-memory.dmp

            Filesize

            8KB

          • memory/1652-93-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1652-22-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1652-68-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1652-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1652-163-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1652-19-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1652-162-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1652-23-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1652-26-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1652-20-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1652-18-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1652-17-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1652-25-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1652-94-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1652-59-0x0000000000280000-0x0000000000282000-memory.dmp

            Filesize

            8KB

          • memory/1652-55-0x0000000000280000-0x0000000000282000-memory.dmp

            Filesize

            8KB

          • memory/1652-53-0x0000000001620000-0x0000000001621000-memory.dmp

            Filesize

            4KB

          • memory/1652-91-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1652-89-0x0000000000280000-0x0000000000282000-memory.dmp

            Filesize

            8KB

          • memory/1652-75-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1652-74-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1652-71-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1652-21-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1652-72-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1652-24-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1652-70-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1652-69-0x0000000000560000-0x000000000161A000-memory.dmp

            Filesize

            16.7MB

          • memory/1688-13-0x0000000000130000-0x0000000000142000-memory.dmp

            Filesize

            72KB

          • memory/1688-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1688-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1688-7-0x0000000000130000-0x0000000000142000-memory.dmp

            Filesize

            72KB

          • memory/1688-42-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/1688-43-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/1688-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1688-65-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/1688-87-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/1688-52-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/1688-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1688-63-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/1688-67-0x00000000002F0000-0x0000000000302000-memory.dmp

            Filesize

            72KB

          • memory/2532-169-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-88-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2532-116-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2532-220-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2532-219-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2532-118-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2628-141-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2628-117-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2628-192-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2628-107-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2628-66-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB