Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07/11/2024, 03:30

General

  • Target

    3ad879c2b2800ab4bbea43589d2673efbde2f870b2273509eab9eaf040c9728aN.dll

  • Size

    120KB

  • MD5

    817e9dacb5b8773238380f76e4348180

  • SHA1

    bb8a2ebe6d1b0f3b4eea17fc3f7aee6705af727d

  • SHA256

    3ad879c2b2800ab4bbea43589d2673efbde2f870b2273509eab9eaf040c9728a

  • SHA512

    edde71ba00211057e7a614e3fe8a24aef8bd3e185306329dff1015b491c8ecda5d25a18802e36449a491df516c2f08524f246d8837864b5140abd5e6c8479c35

  • SSDEEP

    1536:xZoPPJtIPlmNZ2VfcLBMHRRbnoBaZEoaUQH4oZ3x3Ej5A0m7Mb3fVT1B:GhttNZ2CLa/bnoQioaUP+44Wt1B

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 17 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 46 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1064
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1128
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1152
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\3ad879c2b2800ab4bbea43589d2673efbde2f870b2273509eab9eaf040c9728aN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1792
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\3ad879c2b2800ab4bbea43589d2673efbde2f870b2273509eab9eaf040c9728aN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1632
              • C:\Users\Admin\AppData\Local\Temp\f768141.exe
                C:\Users\Admin\AppData\Local\Temp\f768141.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:2580
              • C:\Users\Admin\AppData\Local\Temp\f768305.exe
                C:\Users\Admin\AppData\Local\Temp\f768305.exe
                4⤵
                • Executes dropped EXE
                PID:2892
              • C:\Users\Admin\AppData\Local\Temp\f769d0a.exe
                C:\Users\Admin\AppData\Local\Temp\f769d0a.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:2388
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:284

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Windows\SYSTEM.INI

                  Filesize

                  257B

                  MD5

                  da82d9fd359a5b8a6f628b6a76a72dd6

                  SHA1

                  f56a25b42e5e6fe4135603580d3ef87b1fe405f7

                  SHA256

                  9c1eed1042324cec5a1d709bf6c36526f04b015cd8b79923b6a4d8a4a7a4f81e

                  SHA512

                  a4626df254fa6f0a1ad84c279dfc839bfba9f4c82768186aee292b285d424ea64de6221bfc786d1ac775f55a1d225467a02aa3cd8c70cb5f795ac679b1476000

                • \Users\Admin\AppData\Local\Temp\f768141.exe

                  Filesize

                  97KB

                  MD5

                  1533ebac136efa69caa3cc580643f172

                  SHA1

                  a031ed4833fa6f7a9442df63688c4c932fbbef4c

                  SHA256

                  b6bef51c4b617dfc72802416539bfa58f25a8650fd665f0932d11f77ab88463f

                  SHA512

                  e4b8521396b6d466480dbf255daa9bc0749c7acb48f9c67838fb4b2e4c4a3070d15daebbdf9538f7e4e1659e3de904d0612205214a9b5a22285beb4a73d9e8de

                • memory/1064-31-0x00000000020F0000-0x00000000020F2000-memory.dmp

                  Filesize

                  8KB

                • memory/1632-211-0x0000000000260000-0x0000000000272000-memory.dmp

                  Filesize

                  72KB

                • memory/1632-2-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/1632-7-0x0000000000130000-0x0000000000142000-memory.dmp

                  Filesize

                  72KB

                • memory/1632-63-0x00000000001A0000-0x00000000001A2000-memory.dmp

                  Filesize

                  8KB

                • memory/1632-62-0x0000000000240000-0x0000000000252000-memory.dmp

                  Filesize

                  72KB

                • memory/1632-60-0x00000000001A0000-0x00000000001A2000-memory.dmp

                  Filesize

                  8KB

                • memory/1632-50-0x00000000001B0000-0x00000000001B1000-memory.dmp

                  Filesize

                  4KB

                • memory/1632-84-0x0000000000130000-0x0000000000132000-memory.dmp

                  Filesize

                  8KB

                • memory/1632-0-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/1632-1-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/1632-40-0x00000000001A0000-0x00000000001A2000-memory.dmp

                  Filesize

                  8KB

                • memory/1632-3-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/1632-41-0x00000000001B0000-0x00000000001B1000-memory.dmp

                  Filesize

                  4KB

                • memory/1632-85-0x0000000000260000-0x0000000000272000-memory.dmp

                  Filesize

                  72KB

                • memory/2388-209-0x0000000000920000-0x00000000019DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2388-114-0x00000000001C0000-0x00000000001C1000-memory.dmp

                  Filesize

                  4KB

                • memory/2388-113-0x00000000001B0000-0x00000000001B2000-memory.dmp

                  Filesize

                  8KB

                • memory/2388-164-0x0000000000920000-0x00000000019DA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2388-210-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2388-86-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2580-25-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2580-89-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2580-22-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2580-19-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2580-65-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2580-66-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2580-67-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2580-68-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2580-69-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2580-71-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2580-72-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2580-21-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2580-23-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2580-51-0x00000000003D0000-0x00000000003D1000-memory.dmp

                  Filesize

                  4KB

                • memory/2580-87-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2580-17-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2580-91-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2580-92-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2580-13-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2580-18-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2580-61-0x0000000000300000-0x0000000000302000-memory.dmp

                  Filesize

                  8KB

                • memory/2580-53-0x0000000000300000-0x0000000000302000-memory.dmp

                  Filesize

                  8KB

                • memory/2580-20-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2580-157-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2580-156-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2580-24-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2580-16-0x0000000000680000-0x000000000173A000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2892-182-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2892-112-0x0000000000270000-0x0000000000272000-memory.dmp

                  Filesize

                  8KB

                • memory/2892-103-0x0000000000280000-0x0000000000281000-memory.dmp

                  Filesize

                  4KB

                • memory/2892-104-0x0000000000270000-0x0000000000272000-memory.dmp

                  Filesize

                  8KB