Analysis

  • max time kernel
    75s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01/02/2025, 20:53

General

  • Target

    a838bd149cda6a5e8bd2873768ec01c9b95879c4f5525bdb0242a3e89f199a98.dll

  • Size

    120KB

  • MD5

    ec2399872cf78494503b9ba499e3d021

  • SHA1

    6e82aae26a6154068d649bebb2e4238114c0f7f7

  • SHA256

    a838bd149cda6a5e8bd2873768ec01c9b95879c4f5525bdb0242a3e89f199a98

  • SHA512

    f162b574174e0b3944588f6af2015139c3165829070662f35d9fca0ebab70a853fe004653933667d7b826ed0e8ee6da1c9c5d5c1bc075de146c5a6088c69df66

  • SSDEEP

    1536:4MuO+cmG3lqnc8k/c8RvBI1pgnQNTyKyX5GngTTKxP1aau5w7Kf12M6K2:4hLcV0nLOtRvk7YUgT4sau/12M63

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 15 IoCs

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

  • UPX packed file 24 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:1120
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1216
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\a838bd149cda6a5e8bd2873768ec01c9b95879c4f5525bdb0242a3e89f199a98.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2156
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\a838bd149cda6a5e8bd2873768ec01c9b95879c4f5525bdb0242a3e89f199a98.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2668
              • C:\Users\Admin\AppData\Local\Temp\f770af9.exe
                C:\Users\Admin\AppData\Local\Temp\f770af9.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:2760
              • C:\Users\Admin\AppData\Local\Temp\f770cae.exe
                C:\Users\Admin\AppData\Local\Temp\f770cae.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
                • System Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2976
              • C:\Users\Admin\AppData\Local\Temp\f772694.exe
                C:\Users\Admin\AppData\Local\Temp\f772694.exe
                4⤵
                • Executes dropped EXE
                PID:1500
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:836

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            9824f831776a16a1989d922aaf592341

            SHA1

            02d2dbfc056a1ae30a6aeaf3b77e72b4f172cbe3

            SHA256

            aea3b41b50cef2b6e780e69717c420241235883fc7dd18fb4cc4a1283e572ba0

            SHA512

            4521f5d79d96917890ecaa35dc71ce0967d61494371aed6c7b1f20f79afabf6037085dc4714acebf756981a3261430e1307943aa93be90dbf6923273a40a197e

          • \Users\Admin\AppData\Local\Temp\f770af9.exe

            Filesize

            97KB

            MD5

            3e1550cf8be4e94a7fba9f6c95b0d71d

            SHA1

            580763b85c9676d7e0e20371e200f0571aae396a

            SHA256

            c1a6cb1e6a83d9a0da82b8329cca21964d4849d0ed223c438facd06a22906afd

            SHA512

            c01a72e8f192632ebb71fee6c46340a8b05d12de4bc07b634789d12b0077db0faf0d466426c913f3f2f4f65556cc2590007cb44a8abab553b7f5e8eb36bd2726

          • memory/1120-28-0x0000000002010000-0x0000000002012000-memory.dmp

            Filesize

            8KB

          • memory/1500-87-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1500-140-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1500-116-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/1500-115-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1500-200-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2668-82-0x0000000000140000-0x0000000000142000-memory.dmp

            Filesize

            8KB

          • memory/2668-37-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2668-8-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2668-12-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2668-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2668-86-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2668-60-0x0000000000140000-0x0000000000142000-memory.dmp

            Filesize

            8KB

          • memory/2668-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2668-63-0x0000000000140000-0x0000000000142000-memory.dmp

            Filesize

            8KB

          • memory/2668-62-0x0000000000260000-0x0000000000272000-memory.dmp

            Filesize

            72KB

          • memory/2668-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2668-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2668-36-0x0000000000140000-0x0000000000142000-memory.dmp

            Filesize

            8KB

          • memory/2668-50-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2760-18-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2760-26-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2760-51-0x0000000003D20000-0x0000000003D21000-memory.dmp

            Filesize

            4KB

          • memory/2760-25-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2760-22-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2760-19-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2760-61-0x0000000003CD0000-0x0000000003CD2000-memory.dmp

            Filesize

            8KB

          • memory/2760-66-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2760-68-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2760-67-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2760-70-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2760-69-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2760-73-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2760-74-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2760-88-0x0000000003CD0000-0x0000000003CD2000-memory.dmp

            Filesize

            8KB

          • memory/2760-15-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2760-53-0x0000000003CD0000-0x0000000003CD2000-memory.dmp

            Filesize

            8KB

          • memory/2760-24-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2760-89-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2760-90-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2760-93-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2760-94-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2760-21-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2760-160-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2760-161-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2760-20-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2760-17-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2760-23-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/2976-135-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2976-105-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2976-110-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2976-109-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2976-182-0x0000000000A00000-0x0000000001ABA000-memory.dmp

            Filesize

            16.7MB

          • memory/2976-196-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2976-195-0x0000000000A00000-0x0000000001ABA000-memory.dmp

            Filesize

            16.7MB

          • memory/2976-65-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB