Analysis

  • max time kernel
    85s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-12-2024 20:47

General

  • Target

    3cefe18fbea53f21746d29fb592c43faff505cfd8b9216bc29994f20d9193359.dll

  • Size

    120KB

  • MD5

    47cb3007b9215438ed4815b7184c4184

  • SHA1

    9294f6db1952b958a5f3dbc6ce3c619addffd39f

  • SHA256

    3cefe18fbea53f21746d29fb592c43faff505cfd8b9216bc29994f20d9193359

  • SHA512

    41be5948a1ab5a300f7a25da5eb2391febfcdd922868251e9be96d3a40895e35979b556b1107e8b1fd57d7f086f056a5b20f781e96919ebbfc091f2ba31c3dee

  • SSDEEP

    1536:f56vbyxLU3W1mQPoy3xxmgTZRxK4LcvL/bFzPCfZt77KYDwP384Hvvc1fxdLW:f4+xLU3WJ9xZZXCzFzPCff3Ismvk1a

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

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1108
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1208
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\3cefe18fbea53f21746d29fb592c43faff505cfd8b9216bc29994f20d9193359.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1712
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\3cefe18fbea53f21746d29fb592c43faff505cfd8b9216bc29994f20d9193359.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1816
              • C:\Users\Admin\AppData\Local\Temp\f76a718.exe
                C:\Users\Admin\AppData\Local\Temp\f76a718.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:2728
              • C:\Users\Admin\AppData\Local\Temp\f76a8ec.exe
                C:\Users\Admin\AppData\Local\Temp\f76a8ec.exe
                4⤵
                • Executes dropped EXE
                PID:2836
              • C:\Users\Admin\AppData\Local\Temp\f76c2d2.exe
                C:\Users\Admin\AppData\Local\Temp\f76c2d2.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:1984
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:852

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            728e70e6941363a4f72872e03d620ba4

            SHA1

            a07b8d3b359dde8705ee2e8882e4f2a54b609b33

            SHA256

            fd148f6aede41965b35f01c2071de92e882f3a05c16a35bbcb186f57c35ac64b

            SHA512

            e32e26b813a14f38effd279d5563597ce22a7022171829849562b9d4e667e06583a29a94bd793ff82aa0cd5c065a9c258ba277e1a807667864d8995f9a102de4

          • \Users\Admin\AppData\Local\Temp\f76a718.exe

            Filesize

            97KB

            MD5

            37e95b9157de60a23528106909381b92

            SHA1

            3182df94421b13a09f6a155e229e56656da6edc2

            SHA256

            1b8d5b1b686c3feac1678277bfe2e4af56f56b3c91acbc7a1decac4d8b5c49c2

            SHA512

            0e6ad27222422e4428d2a511a887ec242ae7128730c72cc8375b3dab8517541300610d35e82739857210bdd9ded323e3839d00e1a12217590b8119cd751e137e

          • memory/1108-31-0x0000000000300000-0x0000000000302000-memory.dmp

            Filesize

            8KB

          • memory/1816-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1816-54-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/1816-7-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1816-205-0x0000000000410000-0x0000000000422000-memory.dmp

            Filesize

            72KB

          • memory/1816-39-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/1816-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1816-76-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/1816-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1816-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1816-80-0x0000000000410000-0x0000000000422000-memory.dmp

            Filesize

            72KB

          • memory/1816-71-0x0000000000410000-0x0000000000422000-memory.dmp

            Filesize

            72KB

          • memory/1816-37-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/1816-57-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/1816-56-0x0000000000250000-0x0000000000262000-memory.dmp

            Filesize

            72KB

          • memory/1816-38-0x0000000000240000-0x0000000000241000-memory.dmp

            Filesize

            4KB

          • memory/1816-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1984-102-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/1984-82-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1984-203-0x0000000000950000-0x0000000001A0A000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-204-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1984-155-0x0000000000950000-0x0000000001A0A000-memory.dmp

            Filesize

            16.7MB

          • memory/1984-105-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1984-103-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2728-18-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-85-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2728-60-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-61-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-62-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-64-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-63-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-66-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-67-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-24-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-19-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-81-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2728-17-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-45-0x00000000018F0000-0x00000000018F1000-memory.dmp

            Filesize

            4KB

          • memory/2728-83-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-86-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-25-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-21-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-20-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-23-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-22-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-55-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2728-47-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2728-107-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-108-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-15-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-150-0x00000000006A0000-0x000000000175A000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-149-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2836-128-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2836-97-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2836-176-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2836-104-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2836-106-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2836-59-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB