Analysis

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

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-12-2024 00:42

General

  • Target

    4d1f990c4468cdb0864ec3967a9f1f98432b35066cfbbde8514c52a3f5d63075N.dll

  • Size

    120KB

  • MD5

    8e5ec00cc5b6f32d95bc647497f90560

  • SHA1

    33db8f3a3997d4d608aaa49c95e404efb380f1f4

  • SHA256

    4d1f990c4468cdb0864ec3967a9f1f98432b35066cfbbde8514c52a3f5d63075

  • SHA512

    35dbe976475ad31aa63efadcdbeaa471f34c730b10f359dfebc57d3af43654e3a27295528b64714480b9e732bbea7ec980eacb31f608c9689caac07ddb4e2aa6

  • SSDEEP

    3072:wm2CmkmaM/dxgc7GAujHMSe/w1NdW0lG:wmAtv/doFj8

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\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1100
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1160
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1192
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\4d1f990c4468cdb0864ec3967a9f1f98432b35066cfbbde8514c52a3f5d63075N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1792
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\4d1f990c4468cdb0864ec3967a9f1f98432b35066cfbbde8514c52a3f5d63075N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1240
              • C:\Users\Admin\AppData\Local\Temp\f76c33f.exe
                C:\Users\Admin\AppData\Local\Temp\f76c33f.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:2928
              • C:\Users\Admin\AppData\Local\Temp\f76c4c5.exe
                C:\Users\Admin\AppData\Local\Temp\f76c4c5.exe
                4⤵
                • Executes dropped EXE
                PID:2284
              • C:\Users\Admin\AppData\Local\Temp\f76df19.exe
                C:\Users\Admin\AppData\Local\Temp\f76df19.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:2332
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:2024

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            1e7565b7e231b17387ed49ccb7109bd0

            SHA1

            0df881e1af669e501496e1f7e7050df5430f9265

            SHA256

            372cd5d21e4def065a8fc5e24f1d40765445cbf1c9664a5cad26c1a10c6ae188

            SHA512

            2da7001afb78c985671baa44c3c7a708c5733493a30d6310e96ca01662a3962a1d5b1c6e8aef7e9f0f93dfb9d39786bb1780cf61439c0fe6ea120c05724966d9

          • \Users\Admin\AppData\Local\Temp\f76c33f.exe

            Filesize

            97KB

            MD5

            388ae2fa5dc9c1f0d02053390fae9f99

            SHA1

            3c4c03665862d72e07bec915517d10eb41740f16

            SHA256

            96de1ffec89fb308b976d16563adb8875ba602515178a15ec53e7db1f61b7fbf

            SHA512

            22b179f5ba0559f25d4b34976f61feebf5615d6c43ca6559c42c93d5d2693747c0408e5113ae7797a831d495842cb0655834aa7f5a81626c269c8c508d0332b6

          • memory/1100-31-0x0000000000290000-0x0000000000292000-memory.dmp

            Filesize

            8KB

          • memory/1240-59-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/1240-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1240-6-0x0000000000180000-0x0000000000192000-memory.dmp

            Filesize

            72KB

          • memory/1240-13-0x0000000000180000-0x0000000000192000-memory.dmp

            Filesize

            72KB

          • memory/1240-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1240-2-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/1240-38-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/1240-39-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/1240-48-0x00000000001B0000-0x00000000001B1000-memory.dmp

            Filesize

            4KB

          • memory/1240-79-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/1240-61-0x0000000000210000-0x0000000000222000-memory.dmp

            Filesize

            72KB

          • memory/1240-60-0x00000000001A0000-0x00000000001A2000-memory.dmp

            Filesize

            8KB

          • memory/1240-84-0x0000000000230000-0x0000000000242000-memory.dmp

            Filesize

            72KB

          • memory/1240-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2284-102-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2284-101-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2284-100-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2284-132-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/2284-188-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2332-107-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2332-108-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2332-215-0x0000000000A60000-0x0000000001B1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2332-216-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2332-173-0x0000000000A60000-0x0000000001B1A000-memory.dmp

            Filesize

            16.7MB

          • memory/2332-137-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2332-106-0x00000000003B0000-0x00000000003B1000-memory.dmp

            Filesize

            4KB

          • memory/2928-89-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2928-63-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2928-66-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2928-69-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2928-70-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2928-20-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2928-49-0x0000000003E20000-0x0000000003E21000-memory.dmp

            Filesize

            4KB

          • memory/2928-76-0x0000000000450000-0x0000000000452000-memory.dmp

            Filesize

            8KB

          • memory/2928-85-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2928-87-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2928-19-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2928-65-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2928-54-0x0000000000450000-0x0000000000452000-memory.dmp

            Filesize

            8KB

          • memory/2928-67-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2928-51-0x0000000000450000-0x0000000000452000-memory.dmp

            Filesize

            8KB

          • memory/2928-21-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2928-17-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2928-109-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2928-22-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2928-64-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2928-159-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2928-158-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2928-24-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2928-18-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2928-14-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2928-23-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB

          • memory/2928-25-0x00000000005E0000-0x000000000169A000-memory.dmp

            Filesize

            16.7MB