Analysis

  • max time kernel
    28s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16/12/2024, 00:49

General

  • Target

    cda8521b9fcb32d5dc80799731574f3d0f600e874eef12e3be72ed0cb057a54aN.dll

  • Size

    120KB

  • MD5

    d5dbc13780b05b2eed64c7c39ae726c0

  • SHA1

    100266a6d854780918e7c119771cc2dea9490ced

  • SHA256

    cda8521b9fcb32d5dc80799731574f3d0f600e874eef12e3be72ed0cb057a54a

  • SHA512

    5d12b0ed418cefb68bc2364cf992e0a54cc7e755870e2d35bde29427d24a2d55c493f156c6adcf3d5d3499db433048fc43b15f6f39ac41a9f5d51977abdf85bc

  • SSDEEP

    1536:o7J4V/TZz8aRRGoVrI2x1q6sYBngcYCkPecOI/vFsKKHdOBxUaM3HJ5FEiSYkJTh:oqzBcoVrNbqkpgP5KHc1eHJrEwkDL

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 13 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 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 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:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1180
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1236
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\cda8521b9fcb32d5dc80799731574f3d0f600e874eef12e3be72ed0cb057a54aN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2432
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\cda8521b9fcb32d5dc80799731574f3d0f600e874eef12e3be72ed0cb057a54aN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2056
              • C:\Users\Admin\AppData\Local\Temp\f76cdab.exe
                C:\Users\Admin\AppData\Local\Temp\f76cdab.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:2356
              • C:\Users\Admin\AppData\Local\Temp\f76cf41.exe
                C:\Users\Admin\AppData\Local\Temp\f76cf41.exe
                4⤵
                • Executes dropped EXE
                PID:2776
              • C:\Users\Admin\AppData\Local\Temp\f76ec23.exe
                C:\Users\Admin\AppData\Local\Temp\f76ec23.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:2688
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1060

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Windows\SYSTEM.INI

                  Filesize

                  257B

                  MD5

                  5670604d7fca495da10c26971fb8dfd8

                  SHA1

                  2b18c0ab4c3df0d4c6ee97735e9bfe2bc0187fe8

                  SHA256

                  dda5f232cdbd35f9adf98fc62e26303ec7eea9d93707df8542f802dbacfcc806

                  SHA512

                  b5f5da2b5566dc7cc376f335b0d5084fc6662e645953996c4638dab589b496049b403041f7a2cdc8d12799b9fd51a7436d75162b33c06f391adac41349d693be

                • \Users\Admin\AppData\Local\Temp\f76cdab.exe

                  Filesize

                  97KB

                  MD5

                  771254a753d4d815549355b72731edb2

                  SHA1

                  a515f0ba9281bf26ec1f1d7a506e5ed1772097fa

                  SHA256

                  dbf41d31ff8f301f9508e68c414afc8b0fce94ed5573c7615c8e64e22bc4c8a7

                  SHA512

                  fa852bd26e3efa5d3b795e3df401b9346e2a29b42004c16b1bff93c811cdabe6abd99011b25bab7a529f930a4b495d8668c98a7d721e5c267c440dfccc7a66cc

                • memory/1112-28-0x0000000000270000-0x0000000000272000-memory.dmp

                  Filesize

                  8KB

                • memory/2056-71-0x00000000004A0000-0x00000000004B2000-memory.dmp

                  Filesize

                  72KB

                • memory/2056-79-0x0000000000140000-0x0000000000142000-memory.dmp

                  Filesize

                  8KB

                • memory/2056-70-0x0000000000170000-0x0000000000172000-memory.dmp

                  Filesize

                  8KB

                • memory/2056-44-0x0000000000180000-0x0000000000181000-memory.dmp

                  Filesize

                  4KB

                • memory/2056-1-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/2056-8-0x0000000000140000-0x0000000000152000-memory.dmp

                  Filesize

                  72KB

                • memory/2056-35-0x0000000000170000-0x0000000000172000-memory.dmp

                  Filesize

                  8KB

                • memory/2056-51-0x0000000000190000-0x00000000001A2000-memory.dmp

                  Filesize

                  72KB

                • memory/2056-36-0x0000000000180000-0x0000000000181000-memory.dmp

                  Filesize

                  4KB

                • memory/2056-57-0x0000000000190000-0x00000000001A2000-memory.dmp

                  Filesize

                  72KB

                • memory/2056-58-0x0000000000170000-0x0000000000172000-memory.dmp

                  Filesize

                  8KB

                • memory/2356-64-0x0000000000340000-0x0000000000342000-memory.dmp

                  Filesize

                  8KB

                • memory/2356-108-0x00000000006C0000-0x000000000177A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2356-48-0x0000000000340000-0x0000000000342000-memory.dmp

                  Filesize

                  8KB

                • memory/2356-15-0x00000000006C0000-0x000000000177A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2356-13-0x00000000006C0000-0x000000000177A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2356-19-0x00000000006C0000-0x000000000177A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2356-20-0x00000000006C0000-0x000000000177A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2356-16-0x00000000006C0000-0x000000000177A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2356-21-0x00000000006C0000-0x000000000177A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2356-60-0x00000000006C0000-0x000000000177A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2356-61-0x00000000006C0000-0x000000000177A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2356-62-0x00000000006C0000-0x000000000177A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2356-17-0x00000000006C0000-0x000000000177A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2356-65-0x00000000006C0000-0x000000000177A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2356-14-0x00000000006C0000-0x000000000177A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2356-22-0x00000000006C0000-0x000000000177A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2356-18-0x00000000006C0000-0x000000000177A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2356-66-0x00000000006C0000-0x000000000177A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2356-82-0x00000000006C0000-0x000000000177A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2356-10-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2356-144-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2356-145-0x00000000006C0000-0x000000000177A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2356-110-0x00000000006C0000-0x000000000177A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2356-45-0x00000000003D0000-0x00000000003D1000-memory.dmp

                  Filesize

                  4KB

                • memory/2356-105-0x00000000006C0000-0x000000000177A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2356-103-0x00000000006C0000-0x000000000177A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2356-104-0x00000000006C0000-0x000000000177A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2688-100-0x00000000002B0000-0x00000000002B1000-memory.dmp

                  Filesize

                  4KB

                • memory/2688-101-0x0000000000260000-0x0000000000262000-memory.dmp

                  Filesize

                  8KB

                • memory/2688-102-0x0000000000260000-0x0000000000262000-memory.dmp

                  Filesize

                  8KB

                • memory/2688-157-0x0000000000260000-0x0000000000262000-memory.dmp

                  Filesize

                  8KB

                • memory/2688-156-0x0000000000950000-0x0000000001A0A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2688-198-0x0000000000950000-0x0000000001A0A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2688-199-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2776-96-0x0000000000360000-0x0000000000362000-memory.dmp

                  Filesize

                  8KB

                • memory/2776-99-0x0000000000360000-0x0000000000362000-memory.dmp

                  Filesize

                  8KB

                • memory/2776-92-0x00000000003B0000-0x00000000003B1000-memory.dmp

                  Filesize

                  4KB

                • memory/2776-173-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB