Analysis

  • max time kernel
    41s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 12:03

General

  • Target

    8e8b199203c9c7c9e649fbc2332d117cbc93c48c2731d731f2b81841c7861517N.dll

  • Size

    120KB

  • MD5

    5126662a2aad02c1bdbab148c5c167b0

  • SHA1

    bfa728f3c23576976f39d893d9f048c527ad1ac4

  • SHA256

    8e8b199203c9c7c9e649fbc2332d117cbc93c48c2731d731f2b81841c7861517

  • SHA512

    21901436ddf77b1518550526e5e54db0ebb28334340449ddf96d05cb18ae5aae7a23c28a5adb461f860248db9bc080d6d613c98f6b841667fb3850e9a8ef8622

  • SSDEEP

    3072:rZGVctUQQidOnJzpWcdilfyqAGouM/dIGfJg:UV5idQYZXAly

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 9 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 3 IoCs
  • Windows security bypass 2 TTPs 18 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Windows security modification 2 TTPs 21 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 14 IoCs

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

  • UPX packed file 27 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 4 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 3 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1252
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1340
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1388
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\8e8b199203c9c7c9e649fbc2332d117cbc93c48c2731d731f2b81841c7861517N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2820
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\8e8b199203c9c7c9e649fbc2332d117cbc93c48c2731d731f2b81841c7861517N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2124
              • C:\Users\Admin\AppData\Local\Temp\f77cb6a.exe
                C:\Users\Admin\AppData\Local\Temp\f77cb6a.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:2480
              • C:\Users\Admin\AppData\Local\Temp\f77ce66.exe
                C:\Users\Admin\AppData\Local\Temp\f77ce66.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 policy modification
                PID:2796
              • C:\Users\Admin\AppData\Local\Temp\f77ea6e.exe
                C:\Users\Admin\AppData\Local\Temp\f77ea6e.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:1600
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1508

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            a6134ff8ba44b3576fb1ee80908218c3

            SHA1

            ffe45572e25209b695070eb6262a8025ecc7ac0c

            SHA256

            b026ba4233393122dd322499678a8ba6488fe61501aa1bed8ef2ef54ba2b1bbc

            SHA512

            18644c0758156d022be7a13886a06b5558b0af4692e935ee738b025fa4e71e7f43069ef8705637832e6294c750d45acc842f331b3d5a531bc087a747f9a2bd72

          • \Users\Admin\AppData\Local\Temp\f77cb6a.exe

            Filesize

            97KB

            MD5

            e82c0bc4b02fe0566f2fdf964128d3cd

            SHA1

            64795d872674d114804b25e6d6a8abb3ca76ae16

            SHA256

            98c2e56af08d2f2283128e46942b3c9c956b29f18876bdcf54880f1a9b0c87e0

            SHA512

            b9718b89a13f8750609248bcda0b46d30e44d1977c3f7f31373f836f9f4bae46beb8046232089880c93033c69f4e4d7613c0b6e91a7b46412380e5812dc801fe

          • memory/1252-25-0x0000000000210000-0x0000000000212000-memory.dmp

            Filesize

            8KB

          • memory/1600-188-0x0000000000A10000-0x0000000001ACA000-memory.dmp

            Filesize

            16.7MB

          • memory/1600-206-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1600-86-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1600-114-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/1600-113-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1600-189-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1600-207-0x0000000000A10000-0x0000000001ACA000-memory.dmp

            Filesize

            16.7MB

          • memory/2124-32-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2124-56-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2124-33-0x0000000000180000-0x0000000000181000-memory.dmp

            Filesize

            4KB

          • memory/2124-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2124-42-0x0000000000180000-0x0000000000181000-memory.dmp

            Filesize

            4KB

          • memory/2124-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2124-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2124-4-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2124-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2124-60-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2124-59-0x0000000000190000-0x00000000001A2000-memory.dmp

            Filesize

            72KB

          • memory/2124-83-0x0000000000170000-0x0000000000172000-memory.dmp

            Filesize

            8KB

          • memory/2124-7-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2480-65-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2480-151-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2480-21-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2480-19-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2480-24-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2480-64-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2480-63-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2480-20-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2480-66-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2480-67-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2480-69-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2480-70-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2480-71-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2480-73-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2480-44-0x00000000002E0000-0x00000000002E1000-memory.dmp

            Filesize

            4KB

          • memory/2480-17-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2480-87-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2480-88-0x00000000002D0000-0x00000000002D2000-memory.dmp

            Filesize

            8KB

          • memory/2480-89-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2480-57-0x00000000002D0000-0x00000000002D2000-memory.dmp

            Filesize

            8KB

          • memory/2480-16-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2480-22-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2480-102-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2480-103-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2480-61-0x00000000002D0000-0x00000000002D2000-memory.dmp

            Filesize

            8KB

          • memory/2480-41-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2480-23-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2480-150-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2480-18-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2796-131-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2796-161-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB

          • memory/2796-164-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2796-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2796-97-0x0000000000370000-0x0000000000371000-memory.dmp

            Filesize

            4KB

          • memory/2796-98-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2796-99-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2796-208-0x0000000000930000-0x00000000019EA000-memory.dmp

            Filesize

            16.7MB