Analysis

  • max time kernel
    61s
  • max time network
    30s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 17:06

General

  • Target

    eea8f0b61fc56d28547506001310f37f616cef4c86ae0cdb2c7e994d5a9a66d4.exe

  • Size

    156KB

  • MD5

    25ec95b0e7184650731029206ba76c15

  • SHA1

    a9094106272a40c1d4f01fb5aa7bba639bcf80c0

  • SHA256

    eea8f0b61fc56d28547506001310f37f616cef4c86ae0cdb2c7e994d5a9a66d4

  • SHA512

    4654f2f65586343a3b319285c0be110b98ef7e87f4b26409b0cfd1e8764780ec0d9c142fb34eb9f6f5fd00ee9bf6074cd5fd4ca6dc3548433c91511bb2b56bd5

  • SSDEEP

    3072:1wLvab9GHsJ/TVhQo/Lsdt9HlRLiOB6U6PmSzcD9:rbAHshTrQo/CtwOB6vp

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
  • Executes dropped EXE 1 IoCs
  • UPX packed file 10 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 44 IoCs

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

  • Drops file in Program Files directory 2 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eea8f0b61fc56d28547506001310f37f616cef4c86ae0cdb2c7e994d5a9a66d4.exe
    "C:\Users\Admin\AppData\Local\Temp\eea8f0b61fc56d28547506001310f37f616cef4c86ae0cdb2c7e994d5a9a66d4.exe"
    1⤵
    • Modifies firewall policy service
    • UAC bypass
    • Windows security bypass
    • Loads dropped DLL
    • 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:1620
    • C:\Program Files (x86)\Common Files\Microsoft Shared\explorer.exe
      "C:\Program Files (x86)\Common Files\Microsoft Shared\explorer.exe"
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1280
  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1212
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1176
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1124

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Program Files (x86)\Common Files\microsoft shared\explorer.exe

          Filesize

          156KB

          MD5

          25ec95b0e7184650731029206ba76c15

          SHA1

          a9094106272a40c1d4f01fb5aa7bba639bcf80c0

          SHA256

          eea8f0b61fc56d28547506001310f37f616cef4c86ae0cdb2c7e994d5a9a66d4

          SHA512

          4654f2f65586343a3b319285c0be110b98ef7e87f4b26409b0cfd1e8764780ec0d9c142fb34eb9f6f5fd00ee9bf6074cd5fd4ca6dc3548433c91511bb2b56bd5

        • \Program Files (x86)\Common Files\microsoft shared\explorer.exe

          Filesize

          156KB

          MD5

          25ec95b0e7184650731029206ba76c15

          SHA1

          a9094106272a40c1d4f01fb5aa7bba639bcf80c0

          SHA256

          eea8f0b61fc56d28547506001310f37f616cef4c86ae0cdb2c7e994d5a9a66d4

          SHA512

          4654f2f65586343a3b319285c0be110b98ef7e87f4b26409b0cfd1e8764780ec0d9c142fb34eb9f6f5fd00ee9bf6074cd5fd4ca6dc3548433c91511bb2b56bd5

        • \Program Files (x86)\Common Files\microsoft shared\explorer.exe

          Filesize

          156KB

          MD5

          25ec95b0e7184650731029206ba76c15

          SHA1

          a9094106272a40c1d4f01fb5aa7bba639bcf80c0

          SHA256

          eea8f0b61fc56d28547506001310f37f616cef4c86ae0cdb2c7e994d5a9a66d4

          SHA512

          4654f2f65586343a3b319285c0be110b98ef7e87f4b26409b0cfd1e8764780ec0d9c142fb34eb9f6f5fd00ee9bf6074cd5fd4ca6dc3548433c91511bb2b56bd5

        • memory/1280-59-0x0000000000000000-mapping.dmp

        • memory/1280-65-0x0000000000400000-0x0000000000463000-memory.dmp

          Filesize

          396KB

        • memory/1280-68-0x0000000000400000-0x0000000000463000-memory.dmp

          Filesize

          396KB

        • memory/1620-56-0x0000000000400000-0x0000000000463000-memory.dmp

          Filesize

          396KB

        • memory/1620-55-0x0000000001D90000-0x0000000002E1E000-memory.dmp

          Filesize

          16.6MB

        • memory/1620-54-0x0000000075781000-0x0000000075783000-memory.dmp

          Filesize

          8KB

        • memory/1620-62-0x0000000003A90000-0x0000000003A92000-memory.dmp

          Filesize

          8KB

        • memory/1620-63-0x0000000004310000-0x0000000004373000-memory.dmp

          Filesize

          396KB

        • memory/1620-64-0x0000000004310000-0x0000000004373000-memory.dmp

          Filesize

          396KB

        • memory/1620-66-0x0000000000400000-0x0000000000463000-memory.dmp

          Filesize

          396KB

        • memory/1620-67-0x0000000001D90000-0x0000000002E1E000-memory.dmp

          Filesize

          16.6MB