Analysis

  • max time kernel
    149s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    13-10-2023 01:35

General

  • Target

    ae6550e62c5333b6db6528d31bf803f0exe_JC.exe

  • Size

    100KB

  • MD5

    ae6550e62c5333b6db6528d31bf803f0

  • SHA1

    db6432acd45a03825b19b14d7f6a55fac45c93a8

  • SHA256

    726e99973fa272ea9a829965b4d5c74cac911dcb3ab6cc1e9f13d9ca62710b2c

  • SHA512

    a99a2180cb2be1d485fe492c2a72676911092e60c961fa2e6288c99df77efe9fd2f9dd66d7d6f47173bbedda7022a99755dc787daeac918a768b3599d1ed9b37

  • SSDEEP

    1536:/EQypaWaS280QwCTJLDZM0T+MIeM4PMmhczK02uc3eZGmPwh:cQHZS28pwChI8tczKMcGb2

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 30 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 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 30 IoCs
  • Suspicious use of WriteProcessMemory 46 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1120
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1228
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1280
          • C:\Users\Admin\AppData\Local\Temp\ae6550e62c5333b6db6528d31bf803f0exe_JC.exe
            "C:\Users\Admin\AppData\Local\Temp\ae6550e62c5333b6db6528d31bf803f0exe_JC.exe"
            2⤵
            • 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 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:2152
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1660

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\kmeeub.exe

            Filesize

            100KB

            MD5

            8a2db12532275861b416096671b4d1cf

            SHA1

            f31a65815687b4c6a65efe23a2cbcdcf733140f3

            SHA256

            f925bb61650d39e496bbc089fe4cc1f62a2d53916cecae05563a7fe35d13c2d5

            SHA512

            27fd910bbe0c618eb28219b42933fb6882c7b455210867a4b9a4f6bee2a3d047193bfb9fe78f08bf0ecdc5b59a25e01bcf4701766b4b15f0253e9585f20a9f49

          • memory/1120-7-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2152-29-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2152-1-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2152-3-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2152-31-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2152-6-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2152-9-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2152-12-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2152-19-0x0000000004300000-0x0000000004302000-memory.dmp

            Filesize

            8KB

          • memory/2152-20-0x0000000004590000-0x0000000004591000-memory.dmp

            Filesize

            4KB

          • memory/2152-18-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2152-22-0x0000000004300000-0x0000000004302000-memory.dmp

            Filesize

            8KB

          • memory/2152-25-0x0000000004590000-0x0000000004591000-memory.dmp

            Filesize

            4KB

          • memory/2152-24-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2152-26-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2152-27-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2152-28-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2152-0-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2152-30-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2152-4-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2152-5-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2152-35-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2152-34-0x0000000004300000-0x0000000004302000-memory.dmp

            Filesize

            8KB

          • memory/2152-36-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2152-44-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2152-46-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2152-48-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2152-50-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2152-51-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2152-52-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2152-59-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2152-61-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2152-67-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2152-70-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2152-71-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2152-73-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2152-33-0x0000000001E00000-0x0000000002E8E000-memory.dmp

            Filesize

            16.6MB

          • memory/2152-130-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB