Analysis

  • max time kernel
    121s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    17/04/2024, 23:50

General

  • Target

    88b9b3b59ce5eea3c3767ca9b7a8b6143d782e5f34be6e2f02ae207ae1967858.dll

  • Size

    120KB

  • MD5

    e377cfecc4ae894f18f68e16aeacc746

  • SHA1

    dd27f4699a871b5b1a973745f71696dd262319e8

  • SHA256

    88b9b3b59ce5eea3c3767ca9b7a8b6143d782e5f34be6e2f02ae207ae1967858

  • SHA512

    43eb5cf15a556661b748d655923f7098a48d94de24412a34169e09c974b8268cd236dcfcac5949475ff5afb55114ca34c80dfcbb4a6330d90c5e60e85c541cc5

  • SSDEEP

    3072:EUKzn6s5/ticnrAY3HCd81jBj1JSDeb+bG:uzn6A/McnlHCuVdh+

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 2 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
  • Detects executables packed with Sality Polymorphic Code Generator or Simple Poly Engine or Sality 26 IoCs
  • UPX dump on OEP (original entry point) 30 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • UPX packed file 26 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 13 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 41 IoCs
  • Suspicious use of WriteProcessMemory 36 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:1180
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1216
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\88b9b3b59ce5eea3c3767ca9b7a8b6143d782e5f34be6e2f02ae207ae1967858.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2952
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\88b9b3b59ce5eea3c3767ca9b7a8b6143d782e5f34be6e2f02ae207ae1967858.dll,#1
              3⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:2960
              • C:\Users\Admin\AppData\Local\Temp\f761593.exe
                C:\Users\Admin\AppData\Local\Temp\f761593.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
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:3048
              • C:\Users\Admin\AppData\Local\Temp\f761b2e.exe
                C:\Users\Admin\AppData\Local\Temp\f761b2e.exe
                4⤵
                • Executes dropped EXE
                PID:1452
              • C:\Users\Admin\AppData\Local\Temp\f76315d.exe
                C:\Users\Admin\AppData\Local\Temp\f76315d.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:2732
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2332

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Users\Admin\AppData\Local\Temp\f761593.exe

                  Filesize

                  97KB

                  MD5

                  8505e0293ac9623fe210932aa4b33011

                  SHA1

                  597f31e52d9805d318ff94211a59a562721af954

                  SHA256

                  5e60209f255ee95d7362902f4656c6110ad39814717bfa4e461936a2014afb77

                  SHA512

                  63d5fd774426776320d4009f3597763075a7e73decfb62f9a22d9e8efc7533a49cfa8c18f1e31c9ef42275d1ee7edd063c3f7ed4cbdadece33033c43b623f09a

                • C:\Windows\SYSTEM.INI

                  Filesize

                  257B

                  MD5

                  8c5810a4a7c6f41ce87aee9f5fb7bb2a

                  SHA1

                  90dc0aa7c5bd9541131fec5a8f7dfdfdb67c0ef6

                  SHA256

                  818c9c5a441f69590e760aafa38d27c4ba092414f37673486ffc2ceb98f1adc3

                  SHA512

                  c1ed5c11fbf03fee6c89d65073519c7c0e8bdc28d79d4c96e0064dcd311d7f525e9a7c355422f099611245f8e348e2d643608a9fe1053121ed11c8d79aa3994e

                • memory/1120-16-0x0000000001FB0000-0x0000000001FB2000-memory.dmp

                  Filesize

                  8KB

                • memory/1452-51-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/1452-96-0x0000000000360000-0x0000000000362000-memory.dmp

                  Filesize

                  8KB

                • memory/1452-98-0x00000000003B0000-0x00000000003B1000-memory.dmp

                  Filesize

                  4KB

                • memory/1452-97-0x0000000000360000-0x0000000000362000-memory.dmp

                  Filesize

                  8KB

                • memory/2732-150-0x0000000000A10000-0x0000000001ACA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2732-189-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2732-103-0x0000000000260000-0x0000000000262000-memory.dmp

                  Filesize

                  8KB

                • memory/2732-104-0x0000000000270000-0x0000000000271000-memory.dmp

                  Filesize

                  4KB

                • memory/2732-80-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2732-190-0x0000000000A10000-0x0000000001ACA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2960-37-0x0000000000190000-0x0000000000191000-memory.dmp

                  Filesize

                  4KB

                • memory/2960-32-0x0000000000190000-0x0000000000191000-memory.dmp

                  Filesize

                  4KB

                • memory/2960-35-0x0000000000170000-0x0000000000172000-memory.dmp

                  Filesize

                  8KB

                • memory/2960-9-0x0000000000130000-0x0000000000142000-memory.dmp

                  Filesize

                  72KB

                • memory/2960-46-0x00000000002B0000-0x00000000002C2000-memory.dmp

                  Filesize

                  72KB

                • memory/2960-31-0x0000000000170000-0x0000000000172000-memory.dmp

                  Filesize

                  8KB

                • memory/2960-11-0x0000000000130000-0x0000000000142000-memory.dmp

                  Filesize

                  72KB

                • memory/2960-49-0x00000000002B0000-0x00000000002C2000-memory.dmp

                  Filesize

                  72KB

                • memory/2960-73-0x0000000000170000-0x0000000000172000-memory.dmp

                  Filesize

                  8KB

                • memory/2960-1-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/2960-75-0x00000000002B0000-0x00000000002C2000-memory.dmp

                  Filesize

                  72KB

                • memory/2960-78-0x00000000002B0000-0x00000000002C2000-memory.dmp

                  Filesize

                  72KB

                • memory/2960-79-0x0000000000130000-0x0000000000132000-memory.dmp

                  Filesize

                  8KB

                • memory/3048-60-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3048-47-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3048-62-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3048-63-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3048-65-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3048-56-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3048-59-0x0000000001760000-0x0000000001761000-memory.dmp

                  Filesize

                  4KB

                • memory/3048-58-0x0000000000490000-0x0000000000492000-memory.dmp

                  Filesize

                  8KB

                • memory/3048-53-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3048-33-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3048-81-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3048-82-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3048-84-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3048-86-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3048-88-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3048-61-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3048-30-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3048-23-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3048-20-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3048-17-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3048-105-0x0000000000490000-0x0000000000492000-memory.dmp

                  Filesize

                  8KB

                • memory/3048-106-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3048-108-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3048-143-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/3048-146-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3048-15-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3048-14-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3048-12-0x00000000005A0000-0x000000000165A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3048-10-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB