Analysis

  • max time kernel
    148s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    02-10-2022 19:26

General

  • Target

    2b38207c88e94367a7f9a509acf5ecbf1aad02277543d3fa375475cb41fe0e7d.exe

  • Size

    100KB

  • MD5

    63d7af4d466875b143b05b06c6d38049

  • SHA1

    ff5afbb34dafa6c7400a832dfc111b92bfe7db29

  • SHA256

    2b38207c88e94367a7f9a509acf5ecbf1aad02277543d3fa375475cb41fe0e7d

  • SHA512

    c5c1e30beb92862df8674e480beb5697aa9768ad33a194b2598e53b3715b3b353fd59e4092f28c645faf2d316c0dd9b91faeb5520c5c6871124f9b464c45832b

  • SSDEEP

    3072:64TyclSzJTx1ga7U8f3i2Kvt10y6wgnWQqO/jqq:6v2Yx77BSJvj0zZ/J

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
  • 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 21 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2b38207c88e94367a7f9a509acf5ecbf1aad02277543d3fa375475cb41fe0e7d.exe
    "C:\Users\Admin\AppData\Local\Temp\2b38207c88e94367a7f9a509acf5ecbf1aad02277543d3fa375475cb41fe0e7d.exe"
    1⤵
    • Modifies firewall policy service
    • UAC bypass
    • Windows security bypass
    • 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:288
  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1276
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1248
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1148

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/288-54-0x0000000075B11000-0x0000000075B13000-memory.dmp

          Filesize

          8KB

        • memory/288-55-0x0000000001E90000-0x0000000002F1E000-memory.dmp

          Filesize

          16.6MB

        • memory/288-56-0x0000000074731000-0x0000000074733000-memory.dmp

          Filesize

          8KB

        • memory/288-57-0x0000000000400000-0x0000000000413000-memory.dmp

          Filesize

          76KB

        • memory/288-58-0x0000000001E90000-0x0000000002F1E000-memory.dmp

          Filesize

          16.6MB

        • memory/288-59-0x00000000003E0000-0x00000000003E2000-memory.dmp

          Filesize

          8KB

        • memory/288-60-0x0000000003D90000-0x0000000003D92000-memory.dmp

          Filesize

          8KB

        • memory/288-61-0x0000000001E90000-0x0000000002F1E000-memory.dmp

          Filesize

          16.6MB

        • memory/288-62-0x00000000003E0000-0x00000000003E2000-memory.dmp

          Filesize

          8KB

        • memory/288-63-0x0000000003D90000-0x0000000003D92000-memory.dmp

          Filesize

          8KB