Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    24-05-2024 19:17

General

  • Target

    1be2a0cd535cb718a3a63fd9b4b44b92365115f662095be1d32b15dce291cfcf.dll

  • Size

    120KB

  • MD5

    1dee215d1db76f6f2dae31e6d8911447

  • SHA1

    d5537f4da98ebd34768d67594dfc13b896272a84

  • SHA256

    1be2a0cd535cb718a3a63fd9b4b44b92365115f662095be1d32b15dce291cfcf

  • SHA512

    12a9915f95d33572637f356723f25cf5cf72b0c2b3e21a4b185de2151cb1e58ecdfc92e1ba65ff676a89073a39fe5dc34d1bc035ca6078daab08e85474341dde

  • SSDEEP

    3072:ZN/l9AjrPK8MLfUGR+meJ63v8CLlgea6+s54Q:Z9l922VcGt3vxOb/

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 25 IoCs
  • UPX dump on OEP (original entry point) 29 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • UPX packed file 25 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 15 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1060
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:1088
        • C:\Windows\system32\rundll32.exe
          rundll32.exe C:\Users\Admin\AppData\Local\Temp\1be2a0cd535cb718a3a63fd9b4b44b92365115f662095be1d32b15dce291cfcf.dll,#1
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1920
          • C:\Windows\SysWOW64\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\1be2a0cd535cb718a3a63fd9b4b44b92365115f662095be1d32b15dce291cfcf.dll,#1
            3⤵
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:1704
            • C:\Users\Admin\AppData\Local\Temp\f761249.exe
              C:\Users\Admin\AppData\Local\Temp\f761249.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:2108
            • C:\Users\Admin\AppData\Local\Temp\f7613b0.exe
              C:\Users\Admin\AppData\Local\Temp\f7613b0.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 policy modification
              PID:2444
            • C:\Users\Admin\AppData\Local\Temp\f762df3.exe
              C:\Users\Admin\AppData\Local\Temp\f762df3.exe
              4⤵
              • Executes dropped EXE
              PID:1536
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1128
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2336

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            0d02bedb0043722536768a8b042b35c4

            SHA1

            e8f44137640897b3e66f9f15715a3d25febea6d8

            SHA256

            5f1935209b11ecf761287a84a16cb02f22c9dbc11bb60f64fde015d10a5b0649

            SHA512

            cd2557f156437cdf5a1af225cf8579d31c558e29c22946b1a3fa73904285d9282b08b66ab192707b3bbab7171273e3f88b4d6a970b233dc3704ad8e8b24b84ee

          • \Users\Admin\AppData\Local\Temp\f761249.exe

            Filesize

            97KB

            MD5

            0988531a86fcaa80f945e96af4412980

            SHA1

            b15ec43c651c7440c67052d4f8610e1e036c34dd

            SHA256

            7fcd70cd7ed7413774bb5826f9d148255d2ca8dd7801987fc436c57a78426f5f

            SHA512

            dd43ceff93fc28c2fe5bad6ce520b6e2e9bab80e07558f61e82b0daaa21b7f4f20aad6ff6d5345641978a8305373d6ffa690ed192beaef2fd69965a17f690820

          • memory/1060-29-0x0000000001EA0000-0x0000000001EA2000-memory.dmp

            Filesize

            8KB

          • memory/1536-81-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1536-102-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1536-100-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/1536-166-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1704-9-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1704-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1704-37-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/1704-59-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1704-60-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/1704-57-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/1704-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1704-36-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/1704-46-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2108-47-0x0000000002F90000-0x0000000002F91000-memory.dmp

            Filesize

            4KB

          • memory/2108-16-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-49-0x0000000001750000-0x0000000001752000-memory.dmp

            Filesize

            8KB

          • memory/2108-21-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-20-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-19-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2108-15-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-18-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-23-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-62-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-63-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-64-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-65-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-66-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-68-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-69-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-50-0x0000000001750000-0x0000000001752000-memory.dmp

            Filesize

            8KB

          • memory/2108-82-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-84-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-85-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-14-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-147-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2108-22-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-17-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-146-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-103-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-106-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-107-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/2108-121-0x0000000001750000-0x0000000001752000-memory.dmp

            Filesize

            8KB

          • memory/2444-101-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2444-94-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2444-95-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/2444-158-0x00000000009B0000-0x0000000001A6A000-memory.dmp

            Filesize

            16.7MB

          • memory/2444-162-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2444-61-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB