Analysis

  • max time kernel
    29s
  • max time network
    21s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    04/11/2024, 04:52

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 9 IoCs

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

  • UPX packed file 26 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 3 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 45 IoCs
  • Suspicious use of WriteProcessMemory 38 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:1180
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1244
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\cbcc142fa4a7e960109f9643e56edcb989ad47063539aa6c20348a05355dc827N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2656
            • 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:2760
              • C:\Users\Admin\AppData\Local\Temp\f775a7f.exe
                C:\Users\Admin\AppData\Local\Temp\f775a7f.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:2940
              • C:\Users\Admin\AppData\Local\Temp\f775d2d.exe
                C:\Users\Admin\AppData\Local\Temp\f775d2d.exe
                4⤵
                • Executes dropped EXE
                PID:2580
              • C:\Users\Admin\AppData\Local\Temp\f777d2b.exe
                C:\Users\Admin\AppData\Local\Temp\f777d2b.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:2956
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1144

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Windows\SYSTEM.INI

                  Filesize

                  257B

                  MD5

                  06e7deb9e488c2d878e4a27e72fec05d

                  SHA1

                  1fde3cfff2e1fbb198317c8d39c9488caf8e91bb

                  SHA256

                  2751dcbac427f5e2ef1ace30a0e67d39685ac2c75aef4edddf3236f15d4d08ac

                  SHA512

                  ecde28b9cb210cd5f4a4296737ffa5e5f871c38cf60b57cd995c6b9b0dc2b6bccbbb40e4d45003e4c5139c67cfe3d37f21a3cfe1e8f84831be7480f31f620f69

                • \Users\Admin\AppData\Local\Temp\f775a7f.exe

                  Filesize

                  97KB

                  MD5

                  3f4855e34ca66d4a8d94da47ea4b3cbc

                  SHA1

                  0ff399f134c2bd145b036be821422c2103d5edb0

                  SHA256

                  57aaf3e40638ea3b12e7c2b5626d777125d2a484ddefec767271132195842fb0

                  SHA512

                  42e89070a4dcdaae7368b3543a3bf5a7750872ac3405f66478def13d3a33db9799fee767c312fa1e13190ee9caee8db194e551631900bb868e04f6d6244a7be3

                • memory/1104-21-0x0000000002020000-0x0000000002022000-memory.dmp

                  Filesize

                  8KB

                • memory/2580-143-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2580-53-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2580-96-0x0000000000260000-0x0000000000262000-memory.dmp

                  Filesize

                  8KB

                • memory/2580-90-0x00000000002B0000-0x00000000002B1000-memory.dmp

                  Filesize

                  4KB

                • memory/2760-6-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2760-49-0x0000000000160000-0x0000000000162000-memory.dmp

                  Filesize

                  8KB

                • memory/2760-0-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/2760-12-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2760-4-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/2760-31-0x00000000001B0000-0x00000000001B1000-memory.dmp

                  Filesize

                  4KB

                • memory/2760-1-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/2760-75-0x0000000000160000-0x0000000000162000-memory.dmp

                  Filesize

                  8KB

                • memory/2760-29-0x00000000001B0000-0x00000000001B1000-memory.dmp

                  Filesize

                  4KB

                • memory/2760-47-0x0000000000160000-0x0000000000162000-memory.dmp

                  Filesize

                  8KB

                • memory/2760-48-0x0000000000360000-0x0000000000372000-memory.dmp

                  Filesize

                  72KB

                • memory/2760-2-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/2760-28-0x0000000000160000-0x0000000000162000-memory.dmp

                  Filesize

                  8KB

                • memory/2940-17-0x0000000000670000-0x000000000172A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2940-104-0x0000000000670000-0x000000000172A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2940-61-0x00000000002D0000-0x00000000002D2000-memory.dmp

                  Filesize

                  8KB

                • memory/2940-60-0x00000000002D0000-0x00000000002D2000-memory.dmp

                  Filesize

                  8KB

                • memory/2940-18-0x0000000000670000-0x000000000172A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2940-19-0x0000000000670000-0x000000000172A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2940-20-0x0000000000670000-0x000000000172A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2940-50-0x0000000000670000-0x000000000172A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2940-38-0x0000000000670000-0x000000000172A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2940-62-0x0000000000670000-0x000000000172A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2940-63-0x0000000000670000-0x000000000172A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2940-64-0x0000000000670000-0x000000000172A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2940-67-0x0000000000670000-0x000000000172A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2940-14-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2940-80-0x0000000000670000-0x000000000172A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2940-54-0x0000000000670000-0x000000000172A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2940-15-0x0000000000670000-0x000000000172A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2940-139-0x0000000000670000-0x000000000172A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2940-39-0x0000000000670000-0x000000000172A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2940-81-0x0000000000670000-0x000000000172A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2940-138-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2940-51-0x0000000000670000-0x000000000172A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2940-98-0x0000000000670000-0x000000000172A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2940-99-0x0000000000670000-0x000000000172A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2940-103-0x0000000000670000-0x000000000172A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2940-37-0x00000000002E0000-0x00000000002E1000-memory.dmp

                  Filesize

                  4KB

                • memory/2940-105-0x0000000000670000-0x000000000172A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2940-108-0x0000000000670000-0x000000000172A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2940-111-0x0000000000670000-0x000000000172A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2956-94-0x00000000003F0000-0x00000000003F1000-memory.dmp

                  Filesize

                  4KB

                • memory/2956-97-0x00000000003E0000-0x00000000003E2000-memory.dmp

                  Filesize

                  8KB

                • memory/2956-95-0x00000000003E0000-0x00000000003E2000-memory.dmp

                  Filesize

                  8KB

                • memory/2956-145-0x0000000000900000-0x00000000019BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2956-79-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2956-192-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2956-191-0x0000000000900000-0x00000000019BA000-memory.dmp

                  Filesize

                  16.7MB