Analysis

  • max time kernel
    27s
  • 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 08:07

General

  • Target

    065a2f6e84ed4497a4163a6bf7eb39171828099e158efa39cc97667eb883c65aN.dll

  • Size

    120KB

  • MD5

    452428f4a23a7e443a7e1ab7fd64e1d0

  • SHA1

    cdebf9b708f3e7fb336970b7e14bd27c13381f83

  • SHA256

    065a2f6e84ed4497a4163a6bf7eb39171828099e158efa39cc97667eb883c65a

  • SHA512

    91cfc34ee500fe8e64a7e62effb21f3d289787d0a675cd3123b41f4f92df9571f6f6b2e411a3bfdc2dd9664cbf5252787ee2befdb4d552795f4d21e59194c41c

  • SSDEEP

    3072:Y7Y/jNSfm2AcgZ0SJZPXlkV3bOmyLB56f:OY/joORcdCXyVrOmyLr6f

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 25 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 41 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:1212
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\065a2f6e84ed4497a4163a6bf7eb39171828099e158efa39cc97667eb883c65aN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1044
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\065a2f6e84ed4497a4163a6bf7eb39171828099e158efa39cc97667eb883c65aN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2280
              • C:\Users\Admin\AppData\Local\Temp\f765947.exe
                C:\Users\Admin\AppData\Local\Temp\f765947.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:2880
              • C:\Users\Admin\AppData\Local\Temp\f765adc.exe
                C:\Users\Admin\AppData\Local\Temp\f765adc.exe
                4⤵
                • Executes dropped EXE
                PID:2636
              • C:\Users\Admin\AppData\Local\Temp\f767511.exe
                C:\Users\Admin\AppData\Local\Temp\f767511.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:1824
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1692

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f765947.exe

            Filesize

            97KB

            MD5

            2859e1d7885afa4acb7f53585c1f6134

            SHA1

            836b38567e48e6d5314afdb5ad29f358bad0cc01

            SHA256

            deccf18939d4c5ad16099b54ce9d17a758f76a9ad7f636826b0f3abc9c8a6c2d

            SHA512

            f6fa1647c71d41e8025efb2ee217434b6f64178c603d25e33a5648c4626f059181cc52a5f50f7b6d85c6ee15b6e154a24c04e723b29e998ee6b0c2461050b5a4

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            3a90750c65c39eeb0facd9603a822be0

            SHA1

            a83f90768ffd44f5ff37d99352941e704bf1412f

            SHA256

            60347a422f303fa1dd2810c4e4aac1dc991cbfaaad9cf7d82d9a958b068faee4

            SHA512

            0f93c357559dac0e4e35c1e2cfff70b82edfa57e6138d64c835d0d76684187938098cbe7b5c5e37b21e4e9aad90f82c59e49ca9b6aa3ba07b12d8a6f639f0eae

          • memory/1120-30-0x0000000001F50000-0x0000000001F52000-memory.dmp

            Filesize

            8KB

          • memory/1824-84-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1824-110-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1824-109-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1824-212-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1824-108-0x0000000000330000-0x0000000000331000-memory.dmp

            Filesize

            4KB

          • memory/1824-213-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1824-171-0x0000000000920000-0x00000000019DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1824-172-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2280-57-0x0000000000240000-0x0000000000252000-memory.dmp

            Filesize

            72KB

          • memory/2280-56-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2280-36-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2280-4-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2280-37-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2280-83-0x00000000008F0000-0x0000000000902000-memory.dmp

            Filesize

            72KB

          • memory/2280-82-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2280-45-0x0000000000230000-0x0000000000231000-memory.dmp

            Filesize

            4KB

          • memory/2280-81-0x00000000008F0000-0x0000000000902000-memory.dmp

            Filesize

            72KB

          • memory/2280-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2280-12-0x00000000000C0000-0x00000000000D2000-memory.dmp

            Filesize

            72KB

          • memory/2280-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2280-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2280-85-0x00000000000C0000-0x00000000000C2000-memory.dmp

            Filesize

            8KB

          • memory/2280-58-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2636-60-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2636-159-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2636-107-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2636-102-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2636-101-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2636-129-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2880-49-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2880-67-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-68-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-72-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2880-64-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-65-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-63-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-62-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-61-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-86-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-88-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-91-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-21-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-23-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-18-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-20-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-111-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-46-0x00000000005F0000-0x00000000005F1000-memory.dmp

            Filesize

            4KB

          • memory/2880-112-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-48-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2880-22-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-154-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2880-155-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-24-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-19-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-17-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-16-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-14-0x0000000000960000-0x0000000001A1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2880-13-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB