Analysis

  • max time kernel
    117s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04/11/2024, 04:48

General

  • Target

    cbcc142fa4a7e960109f9643e56edcb989ad47063539aa6c20348a05355dc827N.dll

  • Size

    120KB

  • MD5

    a14fecf5587b5f5d06ff34b9c28b57b0

  • SHA1

    5ec813098a0440e845b1f6d42314f2338a123b66

  • SHA256

    cbcc142fa4a7e960109f9643e56edcb989ad47063539aa6c20348a05355dc827

  • SHA512

    d2fe024e613b6a6ae690af1990ab56a464803328cf6603f8343e80b94ac3dfe336a38e4e0b80333990f618a646554356957cde177667da1b4e67c822517f9bff

  • SSDEEP

    3072:ZzPH4V6YWortvX5Q2em3+rzRK+JxonS2LwE:ZzQVCortvpQc3+HRRJxonSw

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 3 TTPs 6 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 14 IoCs

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

  • UPX packed file 23 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1104
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1208
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\cbcc142fa4a7e960109f9643e56edcb989ad47063539aa6c20348a05355dc827N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2644
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\cbcc142fa4a7e960109f9643e56edcb989ad47063539aa6c20348a05355dc827N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2144
              • C:\Users\Admin\AppData\Local\Temp\f770290.exe
                C:\Users\Admin\AppData\Local\Temp\f770290.exe
                4⤵
                • Modifies firewall policy service
                • UAC bypass
                • Windows security bypass
                • Executes dropped EXE
                • Windows security modification
                • Checks whether UAC is enabled
                • Enumerates connected drives
                • Drops file in Windows directory
                • System Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2800
              • C:\Users\Admin\AppData\Local\Temp\f770500.exe
                C:\Users\Admin\AppData\Local\Temp\f770500.exe
                4⤵
                • Modifies firewall policy service
                • UAC bypass
                • Windows security bypass
                • Executes dropped EXE
                • Windows security modification
                • Checks whether UAC is enabled
                • Drops file in Windows directory
                • Suspicious behavior: EnumeratesProcesses
                • System policy modification
                PID:2628
              • C:\Users\Admin\AppData\Local\Temp\f771ddd.exe
                C:\Users\Admin\AppData\Local\Temp\f771ddd.exe
                4⤵
                • Executes dropped EXE
                PID:2128
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1532

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Users\Admin\AppData\Local\Temp\f770290.exe

                  Filesize

                  97KB

                  MD5

                  3f4855e34ca66d4a8d94da47ea4b3cbc

                  SHA1

                  0ff399f134c2bd145b036be821422c2103d5edb0

                  SHA256

                  57aaf3e40638ea3b12e7c2b5626d777125d2a484ddefec767271132195842fb0

                  SHA512

                  42e89070a4dcdaae7368b3543a3bf5a7750872ac3405f66478def13d3a33db9799fee767c312fa1e13190ee9caee8db194e551631900bb868e04f6d6244a7be3

                • C:\Windows\SYSTEM.INI

                  Filesize

                  257B

                  MD5

                  a0a1ad5c2ee08f1599cd63ce149f3bf7

                  SHA1

                  cd674e586b411bbc94bf2577944631e8d09c8cd7

                  SHA256

                  d2d3c6d7b21f83091f34d6cd2806cf8f0c55c1d5043102ce756577179517fd7d

                  SHA512

                  9b0f95402da0eee0a950594b3295d3e31288558c4352cbc526cb59b0e4acd70a58db467b5a6451567a78258c271fc3033aa0c47164f5c47c0b9fdf117cbd5f4c

                • memory/1104-24-0x00000000002B0000-0x00000000002B2000-memory.dmp

                  Filesize

                  8KB

                • memory/2128-183-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2128-107-0x00000000001F0000-0x00000000001F2000-memory.dmp

                  Filesize

                  8KB

                • memory/2128-108-0x00000000001F0000-0x00000000001F2000-memory.dmp

                  Filesize

                  8KB

                • memory/2128-106-0x0000000000200000-0x0000000000201000-memory.dmp

                  Filesize

                  4KB

                • memory/2144-56-0x00000000001A0000-0x00000000001A2000-memory.dmp

                  Filesize

                  8KB

                • memory/2144-34-0x00000000001B0000-0x00000000001B1000-memory.dmp

                  Filesize

                  4KB

                • memory/2144-3-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/2144-45-0x00000000001B0000-0x00000000001B1000-memory.dmp

                  Filesize

                  4KB

                • memory/2144-7-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2144-33-0x00000000001A0000-0x00000000001A2000-memory.dmp

                  Filesize

                  8KB

                • memory/2144-53-0x00000000001A0000-0x00000000001A2000-memory.dmp

                  Filesize

                  8KB

                • memory/2144-76-0x00000000001A0000-0x00000000001A2000-memory.dmp

                  Filesize

                  8KB

                • memory/2144-55-0x00000000001C0000-0x00000000001D2000-memory.dmp

                  Filesize

                  72KB

                • memory/2144-13-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2144-0-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/2144-1-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/2144-2-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/2628-100-0x00000000002C0000-0x00000000002C1000-memory.dmp

                  Filesize

                  4KB

                • memory/2628-103-0x00000000001F0000-0x00000000001F2000-memory.dmp

                  Filesize

                  8KB

                • memory/2628-104-0x00000000001F0000-0x00000000001F2000-memory.dmp

                  Filesize

                  8KB

                • memory/2628-184-0x0000000000910000-0x00000000019CA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2628-132-0x00000000001F0000-0x00000000001F2000-memory.dmp

                  Filesize

                  8KB

                • memory/2628-57-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2628-175-0x0000000000910000-0x00000000019CA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2628-179-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2800-19-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2800-66-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2800-65-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2800-67-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2800-68-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2800-69-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2800-71-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2800-64-0x00000000015F0000-0x00000000015F2000-memory.dmp

                  Filesize

                  8KB

                • memory/2800-84-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2800-85-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2800-87-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2800-90-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2800-18-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2800-20-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2800-58-0x00000000015F0000-0x00000000015F2000-memory.dmp

                  Filesize

                  8KB

                • memory/2800-44-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2800-21-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2800-23-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2800-42-0x0000000001600000-0x0000000001601000-memory.dmp

                  Filesize

                  4KB

                • memory/2800-156-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2800-155-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2800-43-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2800-22-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2800-17-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2800-15-0x0000000000520000-0x00000000015DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2800-14-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB