Analysis

  • max time kernel
    123s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    18-05-2024 15:24

General

  • Target

    33990df4791544c6900217208b5f4168782df5927f3e982c67a800c3e74a4cec.exe

  • Size

    1.4MB

  • MD5

    fbeee5ec65c41926fb2ee90689cdf197

  • SHA1

    4f45be900224707267f1b7fabe5f06ca03342c75

  • SHA256

    33990df4791544c6900217208b5f4168782df5927f3e982c67a800c3e74a4cec

  • SHA512

    20e2a65918899aafc2c627dca7c71f2ab4b9163d1d1823296b8541da7ec562dfe23b493e0227d9c2ec59f02edcea7f166c825030f70e2d942f47c44b101f93cd

  • SSDEEP

    24576:f054Fqg5+0k/x+5hRoxlOM7TEBI8n9kZoEayE4bo+saKEUblbxVzrnv:84zX8L3nIi8RE1sFa0NxVzTv

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 2 TTPs 3 IoCs
  • Sality

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

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • UPX packed file 30 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 20 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 5 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 32 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs
  • System policy modification 1 TTPs 1 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:1200
          • C:\Users\Admin\AppData\Local\Temp\33990df4791544c6900217208b5f4168782df5927f3e982c67a800c3e74a4cec.exe
            "C:\Users\Admin\AppData\Local\Temp\33990df4791544c6900217208b5f4168782df5927f3e982c67a800c3e74a4cec.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Windows security modification
            • Checks whether UAC is enabled
            • Enumerates connected drives
            • Drops autorun.inf file
            • Drops file in Program Files directory
            • Drops file in Windows directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:2920
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2408

          Network

          MITRE ATT&CK Matrix ATT&CK v13

          Initial Access

          Replication Through Removable Media

          1
          T1091

          Persistence

          Create or Modify System Process

          1
          T1543

          Windows Service

          1
          T1543.003

          Privilege Escalation

          Create or Modify System Process

          1
          T1543

          Windows Service

          1
          T1543.003

          Abuse Elevation Control Mechanism

          1
          T1548

          Bypass User Account Control

          1
          T1548.002

          Defense Evasion

          Modify Registry

          5
          T1112

          Abuse Elevation Control Mechanism

          1
          T1548

          Bypass User Account Control

          1
          T1548.002

          Impair Defenses

          3
          T1562

          Disable or Modify Tools

          3
          T1562.001

          Discovery

          System Information Discovery

          2
          T1082

          Query Registry

          1
          T1012

          Peripheral Device Discovery

          1
          T1120

          Lateral Movement

          Replication Through Removable Media

          1
          T1091

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\ihkh.pif
            Filesize

            97KB

            MD5

            48e388819839246b8a81cc39fdcdf5c4

            SHA1

            d84774f5445e645682f032e2fc75925d22d8fd07

            SHA256

            e6c0b2f855e8ccc19a1ff46bdb04b0e3e1ab8421093b968a833169159ac1e9ab

            SHA512

            dcdf1aa7f7b54ed5d66fee03130e786d1fe4b8d4aa86cf37de81dfbb726efd55e3c5be3db14a507be46b6c39e5f2aecd72771bf81b791dcec333820d2dc43f01

          • memory/1108-17-0x0000000000510000-0x0000000000512000-memory.dmp
            Filesize

            8KB

          • memory/2920-32-0x0000000002030000-0x00000000030EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2920-95-0x0000000003FC0000-0x0000000003FC2000-memory.dmp
            Filesize

            8KB

          • memory/2920-9-0x0000000002030000-0x00000000030EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2920-36-0x0000000002030000-0x00000000030EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2920-11-0x0000000002030000-0x00000000030EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2920-31-0x0000000003FC0000-0x0000000003FC2000-memory.dmp
            Filesize

            8KB

          • memory/2920-30-0x0000000003FC0000-0x0000000003FC2000-memory.dmp
            Filesize

            8KB

          • memory/2920-10-0x0000000002030000-0x00000000030EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2920-29-0x0000000003FD0000-0x0000000003FD1000-memory.dmp
            Filesize

            4KB

          • memory/2920-6-0x0000000002030000-0x00000000030EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2920-26-0x0000000003FD0000-0x0000000003FD1000-memory.dmp
            Filesize

            4KB

          • memory/2920-25-0x0000000003FC0000-0x0000000003FC2000-memory.dmp
            Filesize

            8KB

          • memory/2920-5-0x0000000002030000-0x00000000030EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2920-4-0x0000000002030000-0x00000000030EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2920-3-0x0000000002030000-0x00000000030EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2920-33-0x0000000002030000-0x00000000030EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2920-0-0x0000000000400000-0x0000000000572000-memory.dmp
            Filesize

            1.4MB

          • memory/2920-34-0x0000000002030000-0x00000000030EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2920-8-0x0000000002030000-0x00000000030EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2920-7-0x0000000002030000-0x00000000030EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2920-39-0x0000000002030000-0x00000000030EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2920-38-0x0000000002030000-0x00000000030EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2920-40-0x0000000002030000-0x00000000030EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2920-41-0x0000000002030000-0x00000000030EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2920-44-0x0000000002030000-0x00000000030EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2920-45-0x0000000002030000-0x00000000030EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2920-54-0x0000000002030000-0x00000000030EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2920-55-0x0000000002030000-0x00000000030EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2920-58-0x0000000002030000-0x00000000030EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2920-61-0x0000000002030000-0x00000000030EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2920-66-0x0000000002030000-0x00000000030EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2920-67-0x0000000002030000-0x00000000030EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2920-69-0x0000000002030000-0x00000000030EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2920-71-0x0000000002030000-0x00000000030EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2920-79-0x0000000002030000-0x00000000030EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2920-35-0x0000000002030000-0x00000000030EA000-memory.dmp
            Filesize

            16.7MB

          • memory/2920-1-0x0000000002030000-0x00000000030EA000-memory.dmp
            Filesize

            16.7MB