Analysis

  • max time kernel
    123s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    19/02/2024, 21:55

General

  • Target

    0687cd0cce318a55aa8486c3aef8ae063ad74d9414f1ece6a1c411da79ad7613.exe

  • Size

    3.0MB

  • MD5

    ca5633884f1c2afe5fb697a2eb8e6ceb

  • SHA1

    430274f0f8397c09ffe863da74b616f0042e327d

  • SHA256

    0687cd0cce318a55aa8486c3aef8ae063ad74d9414f1ece6a1c411da79ad7613

  • SHA512

    b2b2cf1e38ac2ccf09ba9b57505e0f65c9db1aeb54001c2621b1a231b40ff4df24939f17350908963151fedd835f061075c7f2d6f293ce2fb707ac73ca502b33

  • SSDEEP

    98304:81KtVejknMTKCr3Zk2jlEHCluHHYmCR4ZKE:yVzZqCluHHYR2n

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 28 IoCs

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

  • Windows security modification 2 TTPs 7 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • 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
  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 31 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\DllHost.exe
    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
    1⤵
      PID:1588
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1140
        • C:\Users\Admin\AppData\Local\Temp\0687cd0cce318a55aa8486c3aef8ae063ad74d9414f1ece6a1c411da79ad7613.exe
          "C:\Users\Admin\AppData\Local\Temp\0687cd0cce318a55aa8486c3aef8ae063ad74d9414f1ece6a1c411da79ad7613.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:1248
      • C:\Windows\system32\Dwm.exe
        "C:\Windows\system32\Dwm.exe"
        1⤵
          PID:1116
        • C:\Windows\system32\taskhost.exe
          "taskhost.exe"
          1⤵
            PID:1072

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • F:\ptiybi.exe

                  Filesize

                  97KB

                  MD5

                  5e410052afcb975bed2f9aed1f15774c

                  SHA1

                  392eb0d605c0e9fdb1d3927ec29e43c76f949d01

                  SHA256

                  888ac1e94d7affd99b50810cb2bb1f8df19a886398b54727abb8aacd595097d6

                  SHA512

                  3c4a19689eded8e65bbda8da17b49a95194c97698faebc83594ce85345bff6da8c6b365d601e096071606a2479f4d44f3f1047282ed934efcd2b338ffce32ba7

                • memory/1072-7-0x0000000002070000-0x0000000002072000-memory.dmp

                  Filesize

                  8KB

                • memory/1248-36-0x0000000002270000-0x000000000332A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1248-37-0x0000000002270000-0x000000000332A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1248-4-0x0000000002270000-0x000000000332A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1248-5-0x0000000002270000-0x000000000332A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1248-9-0x0000000002270000-0x000000000332A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1248-12-0x0000000002270000-0x000000000332A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1248-20-0x0000000002270000-0x000000000332A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1248-24-0x00000000046A0000-0x00000000046A2000-memory.dmp

                  Filesize

                  8KB

                • memory/1248-23-0x0000000002270000-0x000000000332A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1248-25-0x00000000046B0000-0x00000000046B1000-memory.dmp

                  Filesize

                  4KB

                • memory/1248-28-0x00000000046A0000-0x00000000046A2000-memory.dmp

                  Filesize

                  8KB

                • memory/1248-26-0x0000000002270000-0x000000000332A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1248-31-0x00000000046B0000-0x00000000046B1000-memory.dmp

                  Filesize

                  4KB

                • memory/1248-32-0x0000000002270000-0x000000000332A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1248-34-0x0000000002270000-0x000000000332A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1248-35-0x0000000002270000-0x000000000332A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1248-6-0x0000000000730000-0x0000000000731000-memory.dmp

                  Filesize

                  4KB

                • memory/1248-0-0x0000000000400000-0x000000000070D000-memory.dmp

                  Filesize

                  3.1MB

                • memory/1248-39-0x0000000002270000-0x000000000332A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1248-40-0x0000000002270000-0x000000000332A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1248-41-0x0000000002270000-0x000000000332A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1248-43-0x0000000002270000-0x000000000332A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1248-45-0x0000000002270000-0x000000000332A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1248-52-0x0000000002270000-0x000000000332A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1248-54-0x0000000002270000-0x000000000332A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1248-56-0x0000000002270000-0x000000000332A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1248-60-0x0000000002270000-0x000000000332A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1248-64-0x0000000002270000-0x000000000332A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1248-66-0x0000000002270000-0x000000000332A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1248-68-0x0000000002270000-0x000000000332A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1248-70-0x0000000002270000-0x000000000332A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1248-72-0x0000000002270000-0x000000000332A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1248-74-0x0000000002270000-0x000000000332A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/1248-90-0x00000000046A0000-0x00000000046A2000-memory.dmp

                  Filesize

                  8KB

                • memory/1248-2-0x0000000002270000-0x000000000332A000-memory.dmp

                  Filesize

                  16.7MB