Analysis

  • max time kernel
    36s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    24-08-2024 16:10

General

  • Target

    1b3493d035928bea7e8321f621af5610N.dll

  • Size

    120KB

  • MD5

    1b3493d035928bea7e8321f621af5610

  • SHA1

    a9f4fc173504c69918e2881d7990c0430a0d7436

  • SHA256

    bea5dd78c1497a91d383dcfcfa473bd1a739a5e468229a111fb218da94328ec2

  • SHA512

    40784757abd6bacbb292597c9a90b77172793a0e1a12ce46fe93faede3e0b0a94939ce3ebb9e97c2a41408a000b2a8087569147c5001e976bc9d0375c39eec80

  • SSDEEP

    1536:Jbg1h8Af6PokcEgcyUxRp67brXh/nrKhETLaj/myZHS0GkszQSph8+XJiaYPoEM9:Jbg1h8Af6QNbck/hjLFdkXk/qwr

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.

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • UPX packed file 17 IoCs

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

  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 4 IoCs

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

  • 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 42 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1100
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1152
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1196
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\1b3493d035928bea7e8321f621af5610N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2240
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\1b3493d035928bea7e8321f621af5610N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2888
              • C:\Users\Admin\AppData\Local\Temp\f780aca.exe
                C:\Users\Admin\AppData\Local\Temp\f780aca.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:652
              • C:\Users\Admin\AppData\Local\Temp\f780cec.exe
                C:\Users\Admin\AppData\Local\Temp\f780cec.exe
                4⤵
                • Executes dropped EXE
                PID:2660
              • C:\Users\Admin\AppData\Local\Temp\f784a59.exe
                C:\Users\Admin\AppData\Local\Temp\f784a59.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:2104
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1192

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            bf0cf3e0b94300f3f2c08a94aca61ff4

            SHA1

            4561ff7f40cd3e076ad387b22991834b1af7a76a

            SHA256

            369d3f445280fbba524be256d2cca9fca5d47261831dca5f66592ed59d8dafca

            SHA512

            2f0dca550294930ebe36c85b519b48207b2eab29761924496cf94b7affa0212d6f9dddd1814a9d25ff95ac15a686a9373215e0260a4ac3dbd29c3c477f636885

          • \Users\Admin\AppData\Local\Temp\f780aca.exe

            Filesize

            97KB

            MD5

            ba416f1d6be4ee63b43ad95770be40ed

            SHA1

            2b52415841d7752a306c2e854f09a43c2ac779d6

            SHA256

            eb2dcfcbaef203736ff49746b659233e674549625ebd1c759dea26cc067e9d55

            SHA512

            5f12e18d2a4389e4956ad0a693e26274be6b7cc279447e5c90d2aca4ddc772582744fe76a6c7d0b1d93cb20de94d749d077f9da9264db01d610310b248a9b985

          • memory/652-37-0x00000000004D0000-0x00000000004D1000-memory.dmp

            Filesize

            4KB

          • memory/652-14-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/652-89-0x00000000004C0000-0x00000000004C2000-memory.dmp

            Filesize

            8KB

          • memory/652-74-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/652-75-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/652-12-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/652-21-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/652-72-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/652-69-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/652-108-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/652-54-0x00000000004C0000-0x00000000004C2000-memory.dmp

            Filesize

            8KB

          • memory/652-17-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/652-15-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/652-16-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/652-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/652-73-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/652-18-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/652-20-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/652-38-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/652-39-0x00000000004C0000-0x00000000004C2000-memory.dmp

            Filesize

            8KB

          • memory/652-19-0x00000000005F0000-0x00000000016AA000-memory.dmp

            Filesize

            16.7MB

          • memory/1100-22-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/2104-178-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2104-88-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2104-129-0x00000000006D0000-0x000000000178A000-memory.dmp

            Filesize

            16.7MB

          • memory/2104-177-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2660-91-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2660-68-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2660-70-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2660-71-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2660-112-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2660-57-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2888-55-0x00000000001A0000-0x00000000001B2000-memory.dmp

            Filesize

            72KB

          • memory/2888-86-0x00000000000B0000-0x00000000000B6000-memory.dmp

            Filesize

            24KB

          • memory/2888-84-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2888-29-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2888-31-0x0000000000140000-0x0000000000141000-memory.dmp

            Filesize

            4KB

          • memory/2888-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2888-56-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2888-48-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2888-30-0x0000000000140000-0x0000000000141000-memory.dmp

            Filesize

            4KB

          • memory/2888-10-0x00000000000B0000-0x00000000000C2000-memory.dmp

            Filesize

            72KB

          • memory/2888-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB