Analysis

  • max time kernel
    79s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01-01-2025 00:07

General

  • Target

    b9ca2f7b8a0d29a63649e7f3b2eb2cba548f610705e48c1dadbacbe58c1248f3.dll

  • Size

    120KB

  • MD5

    eb6ac65767bdfb15721ad2097182a1b4

  • SHA1

    ab920f5b87d1f3af1ca5660e4bdc7e9ee5301771

  • SHA256

    b9ca2f7b8a0d29a63649e7f3b2eb2cba548f610705e48c1dadbacbe58c1248f3

  • SHA512

    2e2aa483ab5701baea170896506b2e96ddda822639178707667685a109c314ae340f316f219d02afec7ba3f7944e49ce66a1e31c96d8b4de3d6fe36f03f2b273

  • SSDEEP

    3072:UZWZ0zaRvsmGFSi42JcYNOPv7it2Mh+UWj1AVvlv0D3S:UZWwYvsmO9X7Oritlh+UWIdcC

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 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:1120
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1176
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1204
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\b9ca2f7b8a0d29a63649e7f3b2eb2cba548f610705e48c1dadbacbe58c1248f3.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2656
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\b9ca2f7b8a0d29a63649e7f3b2eb2cba548f610705e48c1dadbacbe58c1248f3.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2676
              • C:\Users\Admin\AppData\Local\Temp\f76e8ba.exe
                C:\Users\Admin\AppData\Local\Temp\f76e8ba.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:2808
              • C:\Users\Admin\AppData\Local\Temp\f76eaad.exe
                C:\Users\Admin\AppData\Local\Temp\f76eaad.exe
                4⤵
                • Executes dropped EXE
                PID:2212
              • C:\Users\Admin\AppData\Local\Temp\f770760.exe
                C:\Users\Admin\AppData\Local\Temp\f770760.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:328
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1568

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            a4a39a4a00ddf9b1c3ab6a4fc4b94c47

            SHA1

            122a60041b3b586351796f21ee03074de1e16ef8

            SHA256

            f81b219c103ccde6b85ea768dcd1f90a3c046459eaeaa29c17c4a48166b41f8e

            SHA512

            8251dd8a2dd362b8d954833d1753357deb68ed464c9bff07326329e8a6435fdd0fe6af94bac970d5f8efdc15319cd86ad9787c1e06f81cd995be8ec57b29b3a8

          • \Users\Admin\AppData\Local\Temp\f76e8ba.exe

            Filesize

            97KB

            MD5

            bbc10c7ba3dfea281f7d7bfe26d31439

            SHA1

            7b0ef0df1129ac9c9073aeabd92ee94c68f68079

            SHA256

            cbe2f240b04c1c71cea52c463d610f885a34f907ea1080a0447cf32e4d198396

            SHA512

            489c0439f3e6fbb49da1297b49f1961a7c5b4d469be2b891a10c225f8817b305f0d816b126692acc02227ad4d6446619f6718b0a11d7589972204d5f17eaa246

          • memory/328-111-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/328-172-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/328-88-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/328-114-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/328-214-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/328-215-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1120-30-0x0000000000310000-0x0000000000312000-memory.dmp

            Filesize

            8KB

          • memory/2212-137-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2212-115-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2212-64-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2212-106-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2212-187-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2676-61-0x0000000000200000-0x0000000000212000-memory.dmp

            Filesize

            72KB

          • memory/2676-6-0x0000000000170000-0x0000000000182000-memory.dmp

            Filesize

            72KB

          • memory/2676-49-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2676-62-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2676-86-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2676-40-0x00000000001F0000-0x00000000001F1000-memory.dmp

            Filesize

            4KB

          • memory/2676-39-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2676-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2676-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2676-59-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2676-82-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/2676-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2676-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2808-24-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2808-65-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2808-67-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2808-69-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2808-68-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2808-71-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2808-72-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2808-73-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2808-74-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2808-66-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2808-15-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2808-87-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2808-16-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2808-90-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2808-18-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2808-19-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2808-21-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2808-22-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2808-50-0x0000000000560000-0x0000000000561000-memory.dmp

            Filesize

            4KB

          • memory/2808-158-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2808-157-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2808-60-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2808-52-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2808-23-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2808-20-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/2808-17-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB