Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 21:28

General

  • Target

    8e637b6a9aaf1498626cbb15b66a14dcf6c46abb48d500ff0a21fee9245eb52d.dll

  • Size

    120KB

  • MD5

    182db204f6a386abacdcd9a26cda860c

  • SHA1

    86a6f3baddf63a891937b370adee8359f1412fdf

  • SHA256

    8e637b6a9aaf1498626cbb15b66a14dcf6c46abb48d500ff0a21fee9245eb52d

  • SHA512

    fca5f2ab615dc6194cbe74e0618e8da5bee550509563a1f87ee71730ebae74cb42448e5363b4084ab8d06ae424c739ebc13c1c4f30ff45227e4ad020fe70f23e

  • SSDEEP

    3072:shTeRa1aq0mP4Laf1I3pXrzYjYE3wr1JIyp:shTqOavfZbcTk1JIA

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 21 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:1120
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1212
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\8e637b6a9aaf1498626cbb15b66a14dcf6c46abb48d500ff0a21fee9245eb52d.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2024
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\8e637b6a9aaf1498626cbb15b66a14dcf6c46abb48d500ff0a21fee9245eb52d.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2612
              • C:\Users\Admin\AppData\Local\Temp\f76db90.exe
                C:\Users\Admin\AppData\Local\Temp\f76db90.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:1792
              • C:\Users\Admin\AppData\Local\Temp\f76dd35.exe
                C:\Users\Admin\AppData\Local\Temp\f76dd35.exe
                4⤵
                • Executes dropped EXE
                PID:2076
              • C:\Users\Admin\AppData\Local\Temp\f76f882.exe
                C:\Users\Admin\AppData\Local\Temp\f76f882.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:2604
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1540

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            011d3cc969d96e7e6d300703c25eb480

            SHA1

            aede2a3f349d7b3be10260e7643ab895b8f02e60

            SHA256

            a84e0787261dac0f4609691d55c309d71f34fa7a31966ee5892410a94422b21a

            SHA512

            fec5bb95e46ad2ad18e4be1b9f7011b9b104cf2337b6a987f5de774a31194addfb22d581c22de6910802e6f1be36a4724f616f7bbb35215d801f7e088ebb335c

          • \Users\Admin\AppData\Local\Temp\f76db90.exe

            Filesize

            97KB

            MD5

            e7913e106e0eb68257bafcffe4038960

            SHA1

            4db431107c9f1c7e7d9a3d008aaf307989502ae6

            SHA256

            09966d9328e2e0d0e663f9a7a29c9a6cd436277ed27835a33c37a2f9ec699670

            SHA512

            eb4dc30529c5576ff75d2ad6f0db115ec9c0c3cbc168c0901f311b3521061a0fb8510db94c1b767e42463a94a13324636aaf745153480c0d7ab67d9df90664b2

          • memory/1120-28-0x0000000000310000-0x0000000000312000-memory.dmp

            Filesize

            8KB

          • memory/1792-63-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/1792-15-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/1792-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1792-20-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/1792-21-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/1792-161-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/1792-160-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1792-115-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/1792-97-0x0000000004C20000-0x0000000004C22000-memory.dmp

            Filesize

            8KB

          • memory/1792-22-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/1792-48-0x00000000017D0000-0x00000000017D2000-memory.dmp

            Filesize

            8KB

          • memory/1792-47-0x00000000017D0000-0x00000000017D2000-memory.dmp

            Filesize

            8KB

          • memory/1792-45-0x0000000003D20000-0x0000000003D21000-memory.dmp

            Filesize

            4KB

          • memory/1792-98-0x0000000004D70000-0x0000000004D71000-memory.dmp

            Filesize

            4KB

          • memory/1792-17-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/1792-67-0x00000000017D0000-0x00000000017D2000-memory.dmp

            Filesize

            8KB

          • memory/1792-19-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/1792-16-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/1792-14-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/1792-94-0x0000000004C20000-0x0000000004C22000-memory.dmp

            Filesize

            8KB

          • memory/1792-84-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/1792-82-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/1792-60-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/1792-61-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/1792-62-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/1792-13-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/1792-18-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/1792-81-0x00000000005B0000-0x000000000166A000-memory.dmp

            Filesize

            16.7MB

          • memory/1792-124-0x0000000004C20000-0x0000000004C22000-memory.dmp

            Filesize

            8KB

          • memory/2076-59-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2076-165-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2076-129-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2076-103-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2076-106-0x00000000002C0000-0x00000000002C1000-memory.dmp

            Filesize

            4KB

          • memory/2076-105-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2604-113-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2604-218-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2604-217-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2604-182-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2604-80-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2604-138-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2604-114-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2612-44-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2612-36-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2612-75-0x0000000001D60000-0x0000000001D72000-memory.dmp

            Filesize

            72KB

          • memory/2612-35-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2612-73-0x0000000001D60000-0x0000000001D72000-memory.dmp

            Filesize

            72KB

          • memory/2612-9-0x00000000001B0000-0x00000000001C2000-memory.dmp

            Filesize

            72KB

          • memory/2612-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2612-57-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2612-79-0x00000000001B0000-0x00000000001B2000-memory.dmp

            Filesize

            8KB

          • memory/2612-56-0x00000000002D0000-0x00000000002E2000-memory.dmp

            Filesize

            72KB

          • memory/2612-55-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB

          • memory/2612-74-0x0000000000220000-0x0000000000222000-memory.dmp

            Filesize

            8KB