Analysis

  • max time kernel
    118s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 09:10

General

  • Target

    88a19acbd1d61f6250a6de3cb82de35e9dc2b8bac297fccef38aa46e5fc5e984N.dll

  • Size

    120KB

  • MD5

    9681c58a8284108fba75d0641de619c0

  • SHA1

    f6ba815331daf6dac31719c9c80670526746d92b

  • SHA256

    88a19acbd1d61f6250a6de3cb82de35e9dc2b8bac297fccef38aa46e5fc5e984

  • SHA512

    73f732a2e84ad91870d9ac08a86e9042ac3f050aceae85a5f3e3f4c2ce139ba6f8b2b6a3866ee984e61555c1402c72f328c7a81a563b3e2cdac0c2f21ab37b7c

  • SSDEEP

    1536:wZoZusHg02+SMfxJmgxviTiAES2/ioui1J3nDAWjHr551c092rdQ9zukBR:qopAZufxHx4it/iRmnD5D1czd+icR

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 14 IoCs

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

  • UPX packed file 24 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 2 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 45 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1096
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1164
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1212
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\88a19acbd1d61f6250a6de3cb82de35e9dc2b8bac297fccef38aa46e5fc5e984N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2816
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\88a19acbd1d61f6250a6de3cb82de35e9dc2b8bac297fccef38aa46e5fc5e984N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2872
              • C:\Users\Admin\AppData\Local\Temp\f775acd.exe
                C:\Users\Admin\AppData\Local\Temp\f775acd.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:2892
              • C:\Users\Admin\AppData\Local\Temp\f775ed3.exe
                C:\Users\Admin\AppData\Local\Temp\f775ed3.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
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:2104
              • C:\Users\Admin\AppData\Local\Temp\f7773c9.exe
                C:\Users\Admin\AppData\Local\Temp\f7773c9.exe
                4⤵
                • Executes dropped EXE
                PID:1184
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1632

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            b732deb6c303eeb4286ec2876fca43a8

            SHA1

            4964fe114f30700a81e8093bd1336ad48f238d9c

            SHA256

            1f5067c12787962fe638e7c1ce9dc71a0e8004eb72dba66a005f00ccfd955865

            SHA512

            d415d397729d5a7a251edd6075d8fa138771a8f83fddb6ec2d69d4236185afa9f236a05f1cac295f593b61f9e5a859f02cc2736e7ed7876ac376fc0186629887

          • \Users\Admin\AppData\Local\Temp\f775acd.exe

            Filesize

            97KB

            MD5

            9f5fafef54617280cfa681eb77b880e5

            SHA1

            a5e8de4af663fbdfc545c703c98e4135335da0c1

            SHA256

            830b7aafb9733ed4f82491c843d86779f9d450eecb789c915272bdcb07fc5bc4

            SHA512

            116c435846938248e62e59f029f4c50919e5c944153a95700429e3f665e15fb1822c5243b24b5b84bd971611fb9023cddec81a54216d2049738e9ee60a893d44

          • memory/1096-27-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/1184-187-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1184-107-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1184-154-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1184-105-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/1184-81-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2104-183-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2104-182-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2104-163-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2104-60-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2104-126-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2104-99-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2104-98-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2104-101-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2872-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2872-45-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2872-36-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2872-35-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2872-78-0x00000000001B0000-0x00000000001B6000-memory.dmp

            Filesize

            24KB

          • memory/2872-188-0x0000000000450000-0x0000000000462000-memory.dmp

            Filesize

            72KB

          • memory/2872-58-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2872-57-0x0000000000210000-0x0000000000222000-memory.dmp

            Filesize

            72KB

          • memory/2872-56-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2872-75-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2872-4-0x00000000001B0000-0x00000000001C2000-memory.dmp

            Filesize

            72KB

          • memory/2892-13-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2892-46-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2892-65-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2892-67-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2892-63-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2892-61-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2892-80-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2892-62-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2892-82-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2892-83-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2892-85-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2892-88-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2892-16-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2892-64-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2892-49-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2892-48-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2892-18-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2892-108-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2892-19-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2892-149-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2892-150-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2892-21-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2892-15-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2892-11-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2892-20-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2892-17-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2892-14-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2892-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB