Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20-12-2024 22:34

General

  • Target

    28921f83e6ef8c72dff641f873684c556f72975737bdbd533dca8b4d31d15e6f.dll

  • Size

    120KB

  • MD5

    0646061ca0bd1307ecd0102000ab753e

  • SHA1

    48cdacae132fa9be57ea63d83c40256d69a6487b

  • SHA256

    28921f83e6ef8c72dff641f873684c556f72975737bdbd533dca8b4d31d15e6f

  • SHA512

    57288c78b1221e614a0916d6e45681abd0f4471fefa8d4ea504cdf9e40dad19652829370b1891b3bed8861cfcb55a94993c10c66aa990c692c13d02d3470584f

  • SSDEEP

    1536:QZR0zIQERlNsBWL/1ZNN7EWPOMvQKKEL4f1U8khbt8DQLd9aCLjLrsq0iAlc6kOO:QZhFPUa74z44NobOD45jLrsBiAlcwk9

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 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\Dwm.exe
    "C:\Windows\system32\Dwm.exe"
    1⤵
      PID:1080
    • C:\Windows\system32\taskhost.exe
      "taskhost.exe"
      1⤵
        PID:1088
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1156
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\28921f83e6ef8c72dff641f873684c556f72975737bdbd533dca8b4d31d15e6f.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2384
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\28921f83e6ef8c72dff641f873684c556f72975737bdbd533dca8b4d31d15e6f.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2136
              • C:\Users\Admin\AppData\Local\Temp\f76d8f1.exe
                C:\Users\Admin\AppData\Local\Temp\f76d8f1.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:1840
              • C:\Users\Admin\AppData\Local\Temp\f76da67.exe
                C:\Users\Admin\AppData\Local\Temp\f76da67.exe
                4⤵
                • Executes dropped EXE
                PID:2680
              • C:\Users\Admin\AppData\Local\Temp\f76f47c.exe
                C:\Users\Admin\AppData\Local\Temp\f76f47c.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:2620
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:468

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            3e39fcf970e3ae152a2ad5f215058223

            SHA1

            2a9eb13eb7840cf6f14de2ebe1ce85211065ed89

            SHA256

            f16a342e016441d44c6201c249f523b3442d8ea94543876c61d546007d0544c4

            SHA512

            c21797acaeec1c94058fb928b4fb950efa0a31fe737a7790a61320e05ec40693ec8398ea80b9cca0a4a776cef7298c45f2ef76b30c5444ef211ff87b7ef56c6d

          • \Users\Admin\AppData\Local\Temp\f76d8f1.exe

            Filesize

            97KB

            MD5

            c8e529ec8a1cbc2385cb50cefe5e2a0d

            SHA1

            ef1ebd021fe3507fca2dc317e5d45997dab6713b

            SHA256

            c33339d506b2ed1a04c9be88b79ea65f7632f1251767ddcce8da1521667abbea

            SHA512

            64334378f8b4530ec116026085ab7826dc42864aebf80d8a38146dbc7166f8ad4a108fac261ae146d76b29d04e2bf5d5ab861f2919ef8f00804da1d94f2a02ad

          • memory/1080-27-0x0000000001DA0000-0x0000000001DA2000-memory.dmp

            Filesize

            8KB

          • memory/1840-64-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1840-20-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1840-63-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1840-13-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1840-17-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1840-19-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1840-15-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1840-21-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1840-14-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1840-67-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1840-153-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1840-48-0x0000000001710000-0x0000000001712000-memory.dmp

            Filesize

            8KB

          • memory/1840-47-0x0000000001710000-0x0000000001712000-memory.dmp

            Filesize

            8KB

          • memory/1840-66-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1840-152-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1840-88-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1840-18-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1840-86-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1840-85-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1840-79-0x0000000001710000-0x0000000001712000-memory.dmp

            Filesize

            8KB

          • memory/1840-45-0x0000000001720000-0x0000000001721000-memory.dmp

            Filesize

            4KB

          • memory/1840-109-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1840-60-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1840-61-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1840-62-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1840-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1840-16-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/1840-11-0x0000000000590000-0x000000000164A000-memory.dmp

            Filesize

            16.7MB

          • memory/2136-44-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2136-71-0x00000000002F0000-0x0000000000302000-memory.dmp

            Filesize

            72KB

          • memory/2136-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2136-82-0x00000000002F0000-0x0000000000302000-memory.dmp

            Filesize

            72KB

          • memory/2136-81-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2136-57-0x0000000000200000-0x0000000000212000-memory.dmp

            Filesize

            72KB

          • memory/2136-76-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2136-58-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2136-212-0x00000000002F0000-0x0000000000302000-memory.dmp

            Filesize

            72KB

          • memory/2136-8-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2136-35-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2136-36-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/2136-55-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/2620-172-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2620-106-0x0000000000200000-0x0000000000201000-memory.dmp

            Filesize

            4KB

          • memory/2620-108-0x00000000001F0000-0x00000000001F2000-memory.dmp

            Filesize

            8KB

          • memory/2620-83-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2620-171-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2620-210-0x0000000000910000-0x00000000019CA000-memory.dmp

            Filesize

            16.7MB

          • memory/2620-211-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2680-97-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/2680-98-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2680-105-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2680-157-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2680-127-0x0000000000270000-0x0000000000272000-memory.dmp

            Filesize

            8KB

          • memory/2680-59-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB