Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05/12/2024, 21:20

General

  • Target

    3b8361dd925e0c6bc8867e1a8868db55246e0eabd13f38fafe4f191e306a7766.dll

  • Size

    120KB

  • MD5

    3de370dc544d3e6a21acc485b6254c47

  • SHA1

    ba893dda3fb8c61655c5f823e5839d969e8789ac

  • SHA256

    3b8361dd925e0c6bc8867e1a8868db55246e0eabd13f38fafe4f191e306a7766

  • SHA512

    28ae67e1e27cc6457b97fe115fd0929120a15745f161866c9e3d615affb5a1d9847bb1f666e20ec2d297d6d8e74127d0de10b0fca0a0ea6effd63a9e092fac3c

  • SSDEEP

    1536:DQAnrU2BpOfVHZyFX2lOXpuQgOsrD6onV+YI2q2lVkaLwg1BhG/CcX9:HrNpWBZMXMOQ3lrlVvHzketFPm9

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 17 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 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 43 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1116
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1160
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1196
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\3b8361dd925e0c6bc8867e1a8868db55246e0eabd13f38fafe4f191e306a7766.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2896
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\3b8361dd925e0c6bc8867e1a8868db55246e0eabd13f38fafe4f191e306a7766.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2908
              • C:\Users\Admin\AppData\Local\Temp\f769f7a.exe
                C:\Users\Admin\AppData\Local\Temp\f769f7a.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:316
              • C:\Users\Admin\AppData\Local\Temp\f76a16d.exe
                C:\Users\Admin\AppData\Local\Temp\f76a16d.exe
                4⤵
                • Executes dropped EXE
                PID:2768
              • C:\Users\Admin\AppData\Local\Temp\f76c005.exe
                C:\Users\Admin\AppData\Local\Temp\f76c005.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:2848
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1048

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f769f7a.exe

            Filesize

            97KB

            MD5

            e8a8955ecbd6f7d4671e1a9a5275d913

            SHA1

            1980ff590a836b3c8aad1457d82b94dfea144143

            SHA256

            170507f7466ee90f6c4452029336dc09f51346c3ce1e23538a03d7d5930dfb7e

            SHA512

            c7de1093f6057237057e3d01a8963625a7c15861899b5f8165ec0f7b371e37a31c8fb0eb756b06b9445ea28c1d26c31b0575f5ff654d6134491752486962a0c8

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            0f9a9dd51cc31f47875cbc12beaae67d

            SHA1

            bad2fdc8d8d8b817682655bfc0c4bd476fd354a1

            SHA256

            83274817b54ac2390fd13cca2ed92953dbcf2bafe6ef794fb1c4dfd0aad0dba6

            SHA512

            a279885005ec3290a93aca4c6397f29d1fd75b0c58c6ecfb057c1de44c48a13f4f3ad4ded883d9bae9b1058f18d30fc236dfae592963329e63b33f6c54f11fdf

          • memory/316-19-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-156-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/316-17-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/316-157-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-95-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-94-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-89-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/316-76-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-67-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-75-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-24-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-21-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-20-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-26-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-74-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-61-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/316-71-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-70-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-69-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-68-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-56-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/316-25-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-22-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-18-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/316-45-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/316-23-0x0000000000690000-0x000000000174A000-memory.dmp

            Filesize

            16.7MB

          • memory/1116-27-0x0000000001F10000-0x0000000001F12000-memory.dmp

            Filesize

            8KB

          • memory/2768-186-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2768-60-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2768-114-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2768-105-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2768-106-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2848-215-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2848-216-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2848-170-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2848-115-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2848-91-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2848-112-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2908-54-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2908-90-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2908-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2908-46-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2908-80-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2908-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2908-36-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2908-58-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2908-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2908-35-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2908-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2908-59-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2908-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2908-57-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2908-12-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB