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
    10-12-2024 20:53

General

  • Target

    3cefe18fbea53f21746d29fb592c43faff505cfd8b9216bc29994f20d9193359.dll

  • Size

    120KB

  • MD5

    47cb3007b9215438ed4815b7184c4184

  • SHA1

    9294f6db1952b958a5f3dbc6ce3c619addffd39f

  • SHA256

    3cefe18fbea53f21746d29fb592c43faff505cfd8b9216bc29994f20d9193359

  • SHA512

    41be5948a1ab5a300f7a25da5eb2391febfcdd922868251e9be96d3a40895e35979b556b1107e8b1fd57d7f086f056a5b20f781e96919ebbfc091f2ba31c3dee

  • SSDEEP

    1536:f56vbyxLU3W1mQPoy3xxmgTZRxK4LcvL/bFzPCfZt77KYDwP384Hvvc1fxdLW:f4+xLU3WJ9xZZXCzFzPCff3Ismvk1a

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 14 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:1112
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1200
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\3cefe18fbea53f21746d29fb592c43faff505cfd8b9216bc29994f20d9193359.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:3068
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\3cefe18fbea53f21746d29fb592c43faff505cfd8b9216bc29994f20d9193359.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2696
              • C:\Users\Admin\AppData\Local\Temp\f7688bf.exe
                C:\Users\Admin\AppData\Local\Temp\f7688bf.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:2564
              • C:\Users\Admin\AppData\Local\Temp\f768cd5.exe
                C:\Users\Admin\AppData\Local\Temp\f768cd5.exe
                4⤵
                • Executes dropped EXE
                PID:2668
              • C:\Users\Admin\AppData\Local\Temp\f76adcc.exe
                C:\Users\Admin\AppData\Local\Temp\f76adcc.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:1804
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1196

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            94c3f4410ead0c01518b8ec676cdbddc

            SHA1

            d85d1eb0218fc5b37ddbb1a6ff8c0e31912ae427

            SHA256

            d839c99f18cb167d09965a0da7b011b5ac6883356c7f252d216e71cd61430f96

            SHA512

            876755bfeeb31b9046eff76ba743d725a0ee50bca2395f9050feb90ae8498371d8c7611dafe12b26da9ac06bba9a06e8ee81a1d263ce6160822cf5b385714051

          • \Users\Admin\AppData\Local\Temp\f7688bf.exe

            Filesize

            97KB

            MD5

            37e95b9157de60a23528106909381b92

            SHA1

            3182df94421b13a09f6a155e229e56656da6edc2

            SHA256

            1b8d5b1b686c3feac1678277bfe2e4af56f56b3c91acbc7a1decac4d8b5c49c2

            SHA512

            0e6ad27222422e4428d2a511a887ec242ae7128730c72cc8375b3dab8517541300610d35e82739857210bdd9ded323e3839d00e1a12217590b8119cd751e137e

          • memory/1112-30-0x0000000000310000-0x0000000000312000-memory.dmp

            Filesize

            8KB

          • memory/1804-204-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1804-205-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/1804-164-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/1804-165-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1804-103-0x00000000002B0000-0x00000000002B1000-memory.dmp

            Filesize

            4KB

          • memory/1804-104-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1804-105-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/1804-85-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2564-20-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2564-63-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2564-23-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2564-12-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2564-18-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2564-22-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2564-17-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2564-148-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2564-15-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2564-59-0x0000000000450000-0x0000000000452000-memory.dmp

            Filesize

            8KB

          • memory/2564-24-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2564-48-0x0000000001760000-0x0000000001761000-memory.dmp

            Filesize

            4KB

          • memory/2564-16-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2564-57-0x0000000000450000-0x0000000000452000-memory.dmp

            Filesize

            8KB

          • memory/2564-147-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2564-21-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2564-62-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2564-86-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2564-64-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2564-65-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2564-66-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2564-19-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2564-112-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2564-109-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2564-108-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2564-77-0x0000000000450000-0x0000000000452000-memory.dmp

            Filesize

            8KB

          • memory/2564-106-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2564-82-0x00000000005A0000-0x000000000165A000-memory.dmp

            Filesize

            16.7MB

          • memory/2668-96-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2668-97-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2668-124-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2668-61-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2668-152-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2668-102-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2696-58-0x00000000006D0000-0x00000000006D2000-memory.dmp

            Filesize

            8KB

          • memory/2696-76-0x00000000006D0000-0x00000000006D2000-memory.dmp

            Filesize

            8KB

          • memory/2696-78-0x0000000000720000-0x0000000000732000-memory.dmp

            Filesize

            72KB

          • memory/2696-79-0x0000000000720000-0x0000000000732000-memory.dmp

            Filesize

            72KB

          • memory/2696-83-0x0000000000660000-0x0000000000662000-memory.dmp

            Filesize

            8KB

          • memory/2696-55-0x00000000006D0000-0x00000000006D2000-memory.dmp

            Filesize

            8KB

          • memory/2696-56-0x0000000000700000-0x0000000000712000-memory.dmp

            Filesize

            72KB

          • memory/2696-38-0x00000000006E0000-0x00000000006E1000-memory.dmp

            Filesize

            4KB

          • memory/2696-40-0x00000000006E0000-0x00000000006E1000-memory.dmp

            Filesize

            4KB

          • memory/2696-37-0x00000000006D0000-0x00000000006D2000-memory.dmp

            Filesize

            8KB

          • memory/2696-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2696-11-0x0000000000660000-0x0000000000672000-memory.dmp

            Filesize

            72KB

          • memory/2696-5-0x0000000000660000-0x0000000000672000-memory.dmp

            Filesize

            72KB

          • memory/2696-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB