Analysis

  • max time kernel
    28s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    01-02-2025 11:39

General

  • Target

    43287a2d656db960528ddff2a0accfa42e7f221ebcd608005332054cca3e6b4d.dll

  • Size

    120KB

  • MD5

    5df725214f06e991611c4bae713a6da6

  • SHA1

    19a36425c4905181d2abc793c340b53f0d283243

  • SHA256

    43287a2d656db960528ddff2a0accfa42e7f221ebcd608005332054cca3e6b4d

  • SHA512

    5242096805b686abdbb1bc7d8b1ba650c541dac098611e749953c8054939777de9b12939c4bb71dcbb76d5b0f7bf2aea1e40f40933a2479d891aa3c39ea0f7eb

  • SSDEEP

    1536:p3svEzuYfaX3/BAd4rXdHd9NOEbM8CB/p4X5DkHJhrAj5HGsXxd1lPxxR4X5jKb0:46inhXlzNOJpyX54HTG5ms1lPxx6ItG

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 12 IoCs

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

  • UPX packed file 26 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 42 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: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\43287a2d656db960528ddff2a0accfa42e7f221ebcd608005332054cca3e6b4d.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1756
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\43287a2d656db960528ddff2a0accfa42e7f221ebcd608005332054cca3e6b4d.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1740
              • C:\Users\Admin\AppData\Local\Temp\f77ea40.exe
                C:\Users\Admin\AppData\Local\Temp\f77ea40.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:2152
              • C:\Users\Admin\AppData\Local\Temp\f77ebe5.exe
                C:\Users\Admin\AppData\Local\Temp\f77ebe5.exe
                4⤵
                • Executes dropped EXE
                PID:2944
              • C:\Users\Admin\AppData\Local\Temp\f780628.exe
                C:\Users\Admin\AppData\Local\Temp\f780628.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:2684
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:828

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            256B

            MD5

            d0e6b12c5827fd1e61850f8a34732257

            SHA1

            a87afc24799b3df45726f7d56b6730fc0cb19a96

            SHA256

            7d226f5755f4902b39eecc1e644cdf84f91a78f3ce61504bc7d3785a0ada6ddc

            SHA512

            9a09cc6d9eee3ec25e6790d0f25f45bb43a59fbe8f68415e94b6581a61c14ddb29e08b395838de780411aeb65ee9681b76d9f09992e8ae5e88c26b4747436aac

          • \Users\Admin\AppData\Local\Temp\f77ea40.exe

            Filesize

            97KB

            MD5

            d1acac98f2919508273d47b347b2bf7c

            SHA1

            91d525c2a80f12b97e71cf92453e2feec15d1d45

            SHA256

            796ebf1194cdb9f6a683cf9562ebe67b410d598f540b225a8770568bfe2d65d3

            SHA512

            979728128504f1671949dd477de4382d153e312fa1b0deccd33fb24074cf935324e19e543596aa3241332194048460d8dec3612da04d551a2994d4a00e419045

          • memory/1120-27-0x0000000001F00000-0x0000000001F02000-memory.dmp

            Filesize

            8KB

          • memory/1740-72-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1740-35-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/1740-7-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1740-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1740-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1740-61-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1740-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1740-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1740-36-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/1740-49-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/1740-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1740-59-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/1740-63-0x0000000000160000-0x0000000000162000-memory.dmp

            Filesize

            8KB

          • memory/1740-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2152-19-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2152-111-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2152-24-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2152-52-0x00000000016D0000-0x00000000016D2000-memory.dmp

            Filesize

            8KB

          • memory/2152-26-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2152-23-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2152-50-0x0000000003D20000-0x0000000003D21000-memory.dmp

            Filesize

            4KB

          • memory/2152-17-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2152-20-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2152-21-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2152-25-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2152-22-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2152-67-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2152-65-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2152-66-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2152-68-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2152-18-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2152-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2152-82-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2152-83-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2152-85-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2152-144-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2152-145-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2152-112-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2152-60-0x00000000016D0000-0x00000000016D2000-memory.dmp

            Filesize

            8KB

          • memory/2152-109-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2152-107-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2152-104-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2152-105-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2684-100-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2684-102-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2684-99-0x00000000001C0000-0x00000000001C1000-memory.dmp

            Filesize

            4KB

          • memory/2684-81-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2684-159-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2684-202-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2684-201-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2944-103-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2944-101-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2944-121-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2944-93-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2944-174-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB