Analysis

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

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20-12-2024 22:39

General

  • Target

    28921f83e6ef8c72dff641f873684c556f72975737bdbd533dca8b4d31d15e6f.dll

  • Size

    120KB

  • MD5

    0646061ca0bd1307ecd0102000ab753e

  • SHA1

    48cdacae132fa9be57ea63d83c40256d69a6487b

  • SHA256

    28921f83e6ef8c72dff641f873684c556f72975737bdbd533dca8b4d31d15e6f

  • SHA512

    57288c78b1221e614a0916d6e45681abd0f4471fefa8d4ea504cdf9e40dad19652829370b1891b3bed8861cfcb55a94993c10c66aa990c692c13d02d3470584f

  • SSDEEP

    1536:QZR0zIQERlNsBWL/1ZNN7EWPOMvQKKEL4f1U8khbt8DQLd9aCLjLrsq0iAlc6kOO:QZhFPUa74z44NobOD45jLrsBiAlcwk9

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 15 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 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:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1160
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1200
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\28921f83e6ef8c72dff641f873684c556f72975737bdbd533dca8b4d31d15e6f.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2420
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\28921f83e6ef8c72dff641f873684c556f72975737bdbd533dca8b4d31d15e6f.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1748
              • C:\Users\Admin\AppData\Local\Temp\f768b5e.exe
                C:\Users\Admin\AppData\Local\Temp\f768b5e.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:1284
              • C:\Users\Admin\AppData\Local\Temp\f768ce4.exe
                C:\Users\Admin\AppData\Local\Temp\f768ce4.exe
                4⤵
                • Modifies firewall policy service
                • UAC bypass
                • Windows security bypass
                • Executes dropped EXE
                • Windows security modification
                • Checks whether UAC is enabled
                • 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:2648
              • C:\Users\Admin\AppData\Local\Temp\f76a737.exe
                C:\Users\Admin\AppData\Local\Temp\f76a737.exe
                4⤵
                • Executes dropped EXE
                PID:2336
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:836

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f768ce4.exe

            Filesize

            97KB

            MD5

            c8e529ec8a1cbc2385cb50cefe5e2a0d

            SHA1

            ef1ebd021fe3507fca2dc317e5d45997dab6713b

            SHA256

            c33339d506b2ed1a04c9be88b79ea65f7632f1251767ddcce8da1521667abbea

            SHA512

            64334378f8b4530ec116026085ab7826dc42864aebf80d8a38146dbc7166f8ad4a108fac261ae146d76b29d04e2bf5d5ab861f2919ef8f00804da1d94f2a02ad

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            63d7166377961ef78eecc2a0472084c1

            SHA1

            b2086142bf0f56a33c12cbfeacb28e97e8c8f8a1

            SHA256

            baf00e467ebb8df5ac8be94a322e6e5af16bc2d67ee334d71175e7c172cffd3b

            SHA512

            0ca2c6b71a5cba6cde3af26c5611ad770f3f6e72f1eff3e1086f04001107be93a1dfd6c183a3b6ac17082873fe13b5f1967cd09d62523cf6950c1ce64804c90a

          • memory/1112-30-0x00000000002E0000-0x00000000002E2000-memory.dmp

            Filesize

            8KB

          • memory/1284-48-0x00000000016A0000-0x00000000016A1000-memory.dmp

            Filesize

            4KB

          • memory/1284-20-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1284-51-0x0000000001690000-0x0000000001692000-memory.dmp

            Filesize

            8KB

          • memory/1284-50-0x0000000001690000-0x0000000001692000-memory.dmp

            Filesize

            8KB

          • memory/1284-67-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1284-64-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1284-153-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1284-154-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1284-88-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1284-86-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1284-84-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1284-63-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1284-21-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1284-23-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1284-18-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1284-24-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1284-19-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1284-16-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1284-22-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1284-15-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1284-17-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1284-12-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1284-70-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1284-65-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1284-69-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1284-66-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1748-9-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1748-61-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/1748-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1748-11-0x0000000000100000-0x0000000000112000-memory.dmp

            Filesize

            72KB

          • memory/1748-60-0x00000000002C0000-0x00000000002D2000-memory.dmp

            Filesize

            72KB

          • memory/1748-82-0x0000000000100000-0x0000000000102000-memory.dmp

            Filesize

            8KB

          • memory/1748-38-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/1748-39-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/1748-47-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/1748-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1748-58-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2336-197-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2336-83-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2336-109-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2336-108-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2336-107-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2648-102-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2648-128-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2648-101-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2648-169-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2648-100-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2648-193-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2648-192-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2648-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB