Analysis

  • max time kernel
    27s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2024 22:08

General

  • Target

    6afebefca6b9a0b61790b2c6ce0730d086955c88350cf8b8c56c99b2f401c37aN.dll

  • Size

    120KB

  • MD5

    6010ca3b8473a728e365657c8151b320

  • SHA1

    d64564dd75a68847c1ea9f3b63f08e22e6cfd02f

  • SHA256

    6afebefca6b9a0b61790b2c6ce0730d086955c88350cf8b8c56c99b2f401c37a

  • SHA512

    3b763fddf1fe0247e7be7644bba30998cca3db19403274a493e694a008883d609df3b7aa7b3497a2ea1323458f6c5944e6bafbda2c699771ad45b5498960e31c

  • SSDEEP

    1536:BJMmGWYxWpRz9wF5Yp6zGYZFl8FVJtiomoRRbvbmYv/NiZLrKRVsnsgsf9SWo:BJ4yWsIiYt8Comovbvb7HUxKv/x9O

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 16 IoCs

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

  • UPX packed file 23 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:1108
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1160
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1196
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\6afebefca6b9a0b61790b2c6ce0730d086955c88350cf8b8c56c99b2f401c37aN.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2500
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\6afebefca6b9a0b61790b2c6ce0730d086955c88350cf8b8c56c99b2f401c37aN.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2460
              • C:\Users\Admin\AppData\Local\Temp\f76901f.exe
                C:\Users\Admin\AppData\Local\Temp\f76901f.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:1736
              • C:\Users\Admin\AppData\Local\Temp\f7691f3.exe
                C:\Users\Admin\AppData\Local\Temp\f7691f3.exe
                4⤵
                • Executes dropped EXE
                PID:2956
              • C:\Users\Admin\AppData\Local\Temp\f76abd9.exe
                C:\Users\Admin\AppData\Local\Temp\f76abd9.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:2744
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1596

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f76901f.exe

            Filesize

            97KB

            MD5

            7b71625c73195706952d7b4276b4e6a7

            SHA1

            33a75e7a495b688ae2880e11955ab7afe83014f0

            SHA256

            8845aa194e4965cbd16583383c4261c0ebb06cd1d3e9b6b4453f4a4b913f6df5

            SHA512

            edca678a348a34247a387a79b17aa3d4329422baad0a76b22bf72210284cbcffe4c289b5a7d37b68a3a6413f6410b8de9a69708afde253f90c61fc9c83e39e82

          • C:\Windows\SYSTEM.INI

            Filesize

            255B

            MD5

            59ef08c886ff2ba784e10055b27fbbdd

            SHA1

            e71f2e2b077404e5dbc489c9984640b7c6529a46

            SHA256

            500dfc96017cd77f8baa9d554fc75063b3fd117a22d5b74be0f52ce675ee0f3c

            SHA512

            b1b3342ded97bd72ed745416d515b235ed5480c784d69dc2a131e9fa59b8386416e9ca9591c045e85265ae697506b4d251edf55fa04f0216a1fb96e322309ed2

          • memory/1108-29-0x00000000001E0000-0x00000000001E2000-memory.dmp

            Filesize

            8KB

          • memory/1736-64-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1736-85-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1736-63-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1736-17-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1736-65-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1736-23-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1736-51-0x0000000002D80000-0x0000000002D82000-memory.dmp

            Filesize

            8KB

          • memory/1736-152-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1736-153-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1736-89-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1736-50-0x0000000002D80000-0x0000000002D82000-memory.dmp

            Filesize

            8KB

          • memory/1736-48-0x0000000003D20000-0x0000000003D21000-memory.dmp

            Filesize

            4KB

          • memory/1736-87-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1736-12-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1736-70-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1736-66-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1736-21-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1736-20-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1736-18-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1736-16-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1736-15-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1736-13-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1736-22-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1736-69-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1736-67-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/1736-19-0x0000000000520000-0x00000000015DA000-memory.dmp

            Filesize

            16.7MB

          • memory/2460-38-0x00000000003E0000-0x00000000003E1000-memory.dmp

            Filesize

            4KB

          • memory/2460-61-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/2460-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2460-37-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/2460-206-0x0000000000410000-0x0000000000422000-memory.dmp

            Filesize

            72KB

          • memory/2460-83-0x0000000000410000-0x0000000000422000-memory.dmp

            Filesize

            72KB

          • memory/2460-79-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/2460-74-0x0000000000410000-0x0000000000422000-memory.dmp

            Filesize

            72KB

          • memory/2460-11-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2460-47-0x00000000003E0000-0x00000000003E1000-memory.dmp

            Filesize

            4KB

          • memory/2460-60-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2460-10-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2460-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2744-109-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2744-106-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2744-107-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2744-168-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-205-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2744-204-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/2744-84-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2956-100-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2956-99-0x00000000003B0000-0x00000000003B1000-memory.dmp

            Filesize

            4KB

          • memory/2956-62-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2956-108-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB