Analysis

  • max time kernel
    184s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    05/12/2022, 13:04

General

  • Target

    7b0cf038e4cda873b97ed80cfd703445f4d4e4de174ff74a4aea28d57f916cc0.exe

  • Size

    100KB

  • MD5

    64ca6d474f9aa63fdaac5724e94d8220

  • SHA1

    e7a42c636844bf27e0e6f01532496a7f71fd333e

  • SHA256

    7b0cf038e4cda873b97ed80cfd703445f4d4e4de174ff74a4aea28d57f916cc0

  • SHA512

    452ff8475e9a37d0fae43ec07c88ebc86c39006fb16a9aa2459aa7545231484e26acdfef3d84872903c905771a59fefb1f02043ddfd120139ace6ae38c98810f

  • SSDEEP

    1536:/0yASHfsXO+/I26fZxxsRbfACnZeUUkyUU5/Y5z5e+ak/2kZdUa/57rMcd+VXb:syR/sw26iRbfVZe/kCb+aQnkax7X0V

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

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

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
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • UPX packed file 3 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 22 IoCs

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

  • Drops file in Program Files directory 5 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 20 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7b0cf038e4cda873b97ed80cfd703445f4d4e4de174ff74a4aea28d57f916cc0.exe
    "C:\Users\Admin\AppData\Local\Temp\7b0cf038e4cda873b97ed80cfd703445f4d4e4de174ff74a4aea28d57f916cc0.exe"
    1⤵
    • Modifies firewall policy service
    • UAC bypass
    • Windows security bypass
    • Disables RegEdit via registry modification
    • Windows security modification
    • Checks whether UAC is enabled
    • Enumerates connected drives
    • 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:948
  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1296
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1240
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1140

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/948-54-0x0000000000400000-0x0000000000416000-memory.dmp

          Filesize

          88KB

        • memory/948-55-0x0000000075141000-0x0000000075143000-memory.dmp

          Filesize

          8KB

        • memory/948-56-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/948-57-0x00000000743E1000-0x00000000743E3000-memory.dmp

          Filesize

          8KB

        • memory/948-58-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/948-59-0x00000000005F0000-0x00000000005F2000-memory.dmp

          Filesize

          8KB

        • memory/948-60-0x0000000004110000-0x0000000004112000-memory.dmp

          Filesize

          8KB

        • memory/948-61-0x0000000001D80000-0x0000000002E0E000-memory.dmp

          Filesize

          16.6MB

        • memory/948-62-0x00000000005F0000-0x00000000005F2000-memory.dmp

          Filesize

          8KB

        • memory/948-63-0x0000000004110000-0x0000000004112000-memory.dmp

          Filesize

          8KB

        • memory/948-64-0x0000000000400000-0x0000000000416000-memory.dmp

          Filesize

          88KB