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Analysis

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

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17/12/2024, 08:23

General

  • Target

    cb55194a5e36e41897fee6f0f0b98dfffdc6632aa318d0c69efde2e66336ec7c.dll

  • Size

    120KB

  • MD5

    8f25387010996e0423a3cc38b4de8542

  • SHA1

    472e7825409a4c76e266b035dd8a63acf2fe40d7

  • SHA256

    cb55194a5e36e41897fee6f0f0b98dfffdc6632aa318d0c69efde2e66336ec7c

  • SHA512

    981d22c59ba30d11a0c6fd86669a2044ed3d792bf4ad25d2b140bf2f64426b4165bd4c08a21e01fd2193346d488b95f4d84db86a1c4bc4c7c6742f881325b91f

  • SSDEEP

    1536:lSnLvJP8TvwjrAF6B2Xms/J9CuHXFw6ESkgBJk8DiAzOcJxltuxYAYZIKSWMRNcz:MLasHq6QwHSj9OybuxYnWXRNcz

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 12 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 46 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1160
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1192
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\cb55194a5e36e41897fee6f0f0b98dfffdc6632aa318d0c69efde2e66336ec7c.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1404
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\cb55194a5e36e41897fee6f0f0b98dfffdc6632aa318d0c69efde2e66336ec7c.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:848
              • C:\Users\Admin\AppData\Local\Temp\f76da67.exe
                C:\Users\Admin\AppData\Local\Temp\f76da67.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:2460
              • C:\Users\Admin\AppData\Local\Temp\f76dbfd.exe
                C:\Users\Admin\AppData\Local\Temp\f76dbfd.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:2732
              • C:\Users\Admin\AppData\Local\Temp\f76f650.exe
                C:\Users\Admin\AppData\Local\Temp\f76f650.exe
                4⤵
                • Executes dropped EXE
                PID:2132
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1224

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f76da67.exe

            Filesize

            97KB

            MD5

            848b46947f31096e3d20273e361a7725

            SHA1

            6ab3fcade97127726f6c29871c7381f423336d08

            SHA256

            2d00bb51eb84693260566755d14e3b3bdb83a5c76be0bb8c37ee4a565bd4d889

            SHA512

            05d566623cc5646503a65843f867b1f59ff5b8c74def8e38848c29a2bcb4987dad5395c6f5b83a75d3527c5cfe7a9aa9c2a20de48b82ef72c7b0d82d204a39e8

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            37ed2a0efa2c015a28393ee8ffea57ae

            SHA1

            926d09b69103ac789476db813cf75a688f9609f9

            SHA256

            f1ff645b7b18d52ea72d1f6d4eb7611e8dd85dc73fecb79412b09a59dc2114ef

            SHA512

            f9983b6372ed561d3501c6b16cc9d71ae7d592224341a33d35f5b1acaf1af929676e1f4f3f85c9886902bbc531fb550b1c7d0930e5479159e5316c7fcafe5844

          • memory/848-11-0x00000000001C0000-0x00000000001D2000-memory.dmp

            Filesize

            72KB

          • memory/848-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/848-46-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/848-37-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/848-9-0x00000000001C0000-0x00000000001D2000-memory.dmp

            Filesize

            72KB

          • memory/848-36-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/848-78-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/848-53-0x0000000000250000-0x0000000000262000-memory.dmp

            Filesize

            72KB

          • memory/848-59-0x0000000000250000-0x0000000000262000-memory.dmp

            Filesize

            72KB

          • memory/848-60-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/1112-29-0x0000000002170000-0x0000000002172000-memory.dmp

            Filesize

            8KB

          • memory/2132-195-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2132-107-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2132-105-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2132-166-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2460-19-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2460-83-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2460-50-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2460-47-0x0000000000520000-0x0000000000521000-memory.dmp

            Filesize

            4KB

          • memory/2460-23-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2460-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2460-18-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2460-21-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2460-63-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2460-64-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2460-22-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2460-65-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2460-67-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2460-68-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2460-69-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2460-20-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2460-82-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2460-49-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2460-84-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2460-17-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2460-14-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2460-155-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2460-16-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2460-15-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2460-108-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2460-110-0x0000000000640000-0x00000000016FA000-memory.dmp

            Filesize

            16.7MB

          • memory/2460-154-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2732-131-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2732-98-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2732-165-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2732-93-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2732-94-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2732-190-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2732-191-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2732-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB