Analysis

  • max time kernel
    29s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    20-08-2024 12:00

General

  • Target

    c1f4b4026ca70d36f74bd1af256aaec0N.dll

  • Size

    120KB

  • MD5

    c1f4b4026ca70d36f74bd1af256aaec0

  • SHA1

    7c0c8541cf96ceb51fddf55f78138aef254916c0

  • SHA256

    d88784f782338adfd393532f64f18af41d763984487a824d771fe70e35e27b74

  • SHA512

    b056337cfe31db9ea9798774aa1625cb8c99c5336851ff4927a58c87c3c73e1a99964ae6954ae8982d6beb093852c4c81dc246099add5fbebc391c55fc891137

  • SSDEEP

    3072:r8Ksoef/401GfWvG/K9Cz52hwmu4r/17xOIvs0GwqQmWq:r8Ks/X401rvYqoK1rxcmZZqGq

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 24 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 16 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 43 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:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1244
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\c1f4b4026ca70d36f74bd1af256aaec0N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1604
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\c1f4b4026ca70d36f74bd1af256aaec0N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1800
              • C:\Users\Admin\AppData\Local\Temp\f768ed7.exe
                C:\Users\Admin\AppData\Local\Temp\f768ed7.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:1788
              • C:\Users\Admin\AppData\Local\Temp\f76905d.exe
                C:\Users\Admin\AppData\Local\Temp\f76905d.exe
                4⤵
                • Executes dropped EXE
                PID:1804
              • C:\Users\Admin\AppData\Local\Temp\f76af71.exe
                C:\Users\Admin\AppData\Local\Temp\f76af71.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:2720
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1252

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            1d223755b6dd6f92a58dcbddec411eef

            SHA1

            b488d307c71442e23d95be12ad2b6e2d6e5170c0

            SHA256

            c4d5c5ef41f3aebe74051c58637dc2b5cfd116b30b886c9ee59dba94a352bbe5

            SHA512

            2c4a9601a4fd7f350271e07f88ad6cad557f407c0ea09311ef90d00a0784f17e278c65d312a9f3cf14bf5a1918467a8b897035aa4b402f950522ea513303c559

          • \Users\Admin\AppData\Local\Temp\f768ed7.exe

            Filesize

            97KB

            MD5

            f2133d737039a0b494fcaf33bb522382

            SHA1

            f904eace537be224ad6ff37d1527d418942e06cd

            SHA256

            20c011ff4de47c6a74525df980b848ade59573ca0cef43c908454cc8f8b1340f

            SHA512

            25ba0864df04a6fbe7a1a91a8fd19602909eab7cecb8c4d993e26a503f45c4fb5f1fce99b4966fcc5fef8f8eef290b8db4b009b4c28ca62250c59498d81dbc33

          • memory/1120-24-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/1788-62-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1788-149-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1788-17-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1788-18-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1788-15-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1788-19-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1788-14-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1788-20-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1788-21-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1788-13-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1788-42-0x0000000000560000-0x0000000000561000-memory.dmp

            Filesize

            4KB

          • memory/1788-64-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1788-49-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/1788-148-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1788-108-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1788-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1788-106-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1788-65-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1788-85-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1788-22-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1788-82-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1788-61-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1788-69-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1788-16-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1788-70-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/1788-66-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1788-68-0x0000000000680000-0x000000000173A000-memory.dmp

            Filesize

            16.7MB

          • memory/1800-41-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/1800-4-0x0000000000180000-0x0000000000192000-memory.dmp

            Filesize

            72KB

          • memory/1800-31-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/1800-56-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/1800-32-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/1800-57-0x0000000000220000-0x0000000000232000-memory.dmp

            Filesize

            72KB

          • memory/1800-58-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/1800-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1800-78-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/1804-96-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1804-60-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1804-94-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1804-97-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/1804-124-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1804-178-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2720-208-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2720-104-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2720-129-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2720-166-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2720-207-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2720-105-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB