Analysis

  • max time kernel
    122s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    29-06-2024 20:28

General

  • Target

    3ce54561bbc5fe3d36ec4d6c9f1698c9fedc1b39eabf4c198d775a4e65504442.exe

  • Size

    97KB

  • MD5

    19d8e40b460364adea518e110d722916

  • SHA1

    e742ccbad4b05169a9262de93ec4542ea0c62b7b

  • SHA256

    3ce54561bbc5fe3d36ec4d6c9f1698c9fedc1b39eabf4c198d775a4e65504442

  • SHA512

    0b3122daf5de43010d518fab56507112a23d02794fbeebda7647a595e1cd545591b0190b0e384ea989907b0aac0ee8dbff847e08a72bb281799319651fb7ca77

  • SSDEEP

    3072:7Z0Ln62MzRqOPvOL2/OzIW8ZWWMXyCiZI7vOLJF:tm62MzRXo2WzIpZWXCCKu+

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 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 29 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 21 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 12 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:1080
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1152
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1200
          • C:\Users\Admin\AppData\Local\Temp\3ce54561bbc5fe3d36ec4d6c9f1698c9fedc1b39eabf4c198d775a4e65504442.exe
            "C:\Users\Admin\AppData\Local\Temp\3ce54561bbc5fe3d36ec4d6c9f1698c9fedc1b39eabf4c198d775a4e65504442.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:2428
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:804

          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

          Impair Defenses

          4
          T1562

          Disable or Modify Tools

          3
          T1562.001

          Disable or Modify System Firewall

          1
          T1562.004

          Abuse Elevation Control Mechanism

          1
          T1548

          Bypass User Account Control

          1
          T1548.002

          Discovery

          System Information Discovery

          3
          T1082

          Query Registry

          1
          T1012

          Peripheral Device Discovery

          1
          T1120

          Lateral Movement

          Replication Through Removable Media

          1
          T1091

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • F:\lobvk.exe
            Filesize

            97KB

            MD5

            5468b409bd013155a7fdfeb5caef327f

            SHA1

            5ece7f831e7b0eb1d9131555c36afc1d80543db2

            SHA256

            cfe828af3e304915fc96bbe7b2dd9b591057f60aa634333c31bd249cb22c8af8

            SHA512

            33de045e32e43e08d7b9a46c132f95a99cf3b1b7db802a89a29bba3e1566d4deb04132761636d8eae22fc6c9f1a7d48b40869d52162666546a5ba7559a2b615b

          • memory/1080-14-0x00000000001E0000-0x00000000001E2000-memory.dmp
            Filesize

            8KB

          • memory/2428-35-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2428-74-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2428-3-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2428-8-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2428-7-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2428-4-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2428-0-0x0000000000400000-0x0000000000412000-memory.dmp
            Filesize

            72KB

          • memory/2428-11-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2428-9-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2428-25-0x00000000004B0000-0x00000000004B1000-memory.dmp
            Filesize

            4KB

          • memory/2428-23-0x00000000004B0000-0x00000000004B1000-memory.dmp
            Filesize

            4KB

          • memory/2428-31-0x00000000004A0000-0x00000000004A2000-memory.dmp
            Filesize

            8KB

          • memory/2428-30-0x00000000004A0000-0x00000000004A2000-memory.dmp
            Filesize

            8KB

          • memory/2428-22-0x00000000004A0000-0x00000000004A2000-memory.dmp
            Filesize

            8KB

          • memory/2428-10-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2428-32-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2428-33-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2428-38-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2428-12-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2428-5-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2428-34-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2428-39-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2428-41-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2428-42-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2428-44-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2428-58-0x0000000000360000-0x0000000000362000-memory.dmp
            Filesize

            8KB

          • memory/2428-59-0x0000000000360000-0x0000000000362000-memory.dmp
            Filesize

            8KB

          • memory/2428-57-0x0000000000470000-0x0000000000471000-memory.dmp
            Filesize

            4KB

          • memory/2428-47-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2428-60-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2428-61-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2428-65-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2428-68-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2428-72-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2428-36-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2428-75-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2428-82-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB

          • memory/2428-87-0x00000000004A0000-0x00000000004A2000-memory.dmp
            Filesize

            8KB

          • memory/2428-109-0x0000000000360000-0x0000000000362000-memory.dmp
            Filesize

            8KB

          • memory/2428-1-0x00000000006C0000-0x000000000177A000-memory.dmp
            Filesize

            16.7MB