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Analysis

  • max time kernel
    31s
  • max time network
    101s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/12/2024, 04:01

General

  • Target

    2331e9c89d4883bf86d29b958455ecf5a5efe919445c3007d72fadd6d9e0f20fN.dll

  • Size

    120KB

  • MD5

    4ff5898b3ac6b515d7360428572c16c0

  • SHA1

    91ec9c930774a570ac52d6ad5cdc22147cc922b4

  • SHA256

    2331e9c89d4883bf86d29b958455ecf5a5efe919445c3007d72fadd6d9e0f20f

  • SHA512

    2f2cd36fa87c82237a3692f479f5ef7aa04d401e0f4222e40bc9f2774b5e4340a728ec8793ddc80691a58ece5bb5bb7b4d87a67897f617e95d62059b614bf285

  • SSDEEP

    3072:DsQ+oxdyoCE8n1YSFBB6DNKPfnGH8uwCK:n9CE8nRb6D42H6P

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
  • Windows security modification 2 TTPs 14 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 9 IoCs

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

  • UPX packed file 31 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 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:764
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:772
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:316
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2864
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:3076
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3228
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3520
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\2331e9c89d4883bf86d29b958455ecf5a5efe919445c3007d72fadd6d9e0f20fN.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:852
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\2331e9c89d4883bf86d29b958455ecf5a5efe919445c3007d72fadd6d9e0f20fN.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:2704
                      • C:\Users\Admin\AppData\Local\Temp\e577688.exe
                        C:\Users\Admin\AppData\Local\Temp\e577688.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:4288
                      • C:\Users\Admin\AppData\Local\Temp\e5778d9.exe
                        C:\Users\Admin\AppData\Local\Temp\e5778d9.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:3744
                      • C:\Users\Admin\AppData\Local\Temp\e57a20c.exe
                        C:\Users\Admin\AppData\Local\Temp\e57a20c.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 WriteProcessMemory
                        • System policy modification
                        PID:2720
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3648
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3836
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3948
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:4052
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3752
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4164
                            • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
                              "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
                              1⤵
                                PID:652
                              • C:\Windows\System32\RuntimeBroker.exe
                                C:\Windows\System32\RuntimeBroker.exe -Embedding
                                1⤵
                                  PID:5024
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:4468

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\e577688.exe

                                    Filesize

                                    97KB

                                    MD5

                                    c7a703584ec8786beb1983c1aa601f0d

                                    SHA1

                                    188b974f824e2c1eba89dcbe2c6e830b9516e3d6

                                    SHA256

                                    30c3c27d539d478593afeb3ef93f0f0b2a6450c47eb818abb8267394fcab39d1

                                    SHA512

                                    85019b4cdc94461c1ae075415a075d6157d7b57868199cf1541c4f21b17337bca43ce4b6cb8f7a5265879ce22cfd6284e5811a8650d81a431c33408a32d18335

                                  • C:\Windows\SYSTEM.INI

                                    Filesize

                                    257B

                                    MD5

                                    231317ac0acbcf263361fe3f8bd89777

                                    SHA1

                                    51fc381c40f06b8296be90dbd2535223f477dcbd

                                    SHA256

                                    6611f99136034833b05d34c944cf5b844122e4eda6d7c354902564bc2352aec1

                                    SHA512

                                    4999ea7f39d845c5ee0fceefb6b10d7294d6357ce0ee6dadecd398ed308591d6450822262bc98a072dbba470a7650129ad0f08b8a225b47481a1c40b6a3dfaa6

                                  • memory/2704-31-0x0000000000D10000-0x0000000000D12000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2704-47-0x0000000000D10000-0x0000000000D12000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2704-17-0x0000000000D10000-0x0000000000D12000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2704-18-0x0000000000D20000-0x0000000000D21000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/2704-27-0x0000000000D10000-0x0000000000D12000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2704-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/2720-91-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2720-93-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2720-142-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2720-107-0x0000000001BF0000-0x0000000001BF2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2720-141-0x0000000001BF0000-0x0000000001BF2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2720-119-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2720-108-0x0000000001C00000-0x0000000001C01000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/2720-98-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2720-140-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/2720-90-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2720-96-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2720-94-0x0000000000750000-0x000000000180A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/3744-86-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3744-45-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3744-83-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3744-35-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3744-50-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/3744-42-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4288-28-0x00000000005E0000-0x00000000005E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4288-10-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4288-36-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4288-40-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4288-39-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4288-54-0x00000000005E0000-0x00000000005E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4288-53-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4288-55-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4288-56-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4288-57-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4288-59-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4288-61-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4288-63-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4288-82-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4288-37-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4288-38-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4288-9-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4288-11-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4288-12-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4288-20-0x00000000005F0000-0x00000000005F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4288-14-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4288-15-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4288-32-0x00000000005E0000-0x00000000005E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4288-26-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4288-13-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4288-16-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4288-6-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4288-8-0x0000000000900000-0x00000000019BA000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/4288-4-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB