Analysis

  • max time kernel
    83s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04-02-2025 21:09

General

  • Target

    85123aadd0f97f4d2f0bde82d26375fa625db2baf454f6b31ee6beed132c2987N.dll

  • Size

    120KB

  • MD5

    03478df292a8f817dc507d0094e88ad0

  • SHA1

    1f8abc230ef843caf7e72416100bb8d89f03e89e

  • SHA256

    85123aadd0f97f4d2f0bde82d26375fa625db2baf454f6b31ee6beed132c2987

  • SHA512

    6600ec8fefb5f000ffbe302979dabea7b0987df5fac89d820ac7feffc435e5b2df24926e489b9aef38f6bfb800f28a2e458ef1e6d950eff226ebaf9a49ed456c

  • SSDEEP

    1536:maaU1tmK9RO7EV/T0/yvqrCLzai1gOKiG/J7EW7Jz0Bs+yN/Eu6m2K2pm+/Q3D:SMg8/TOyvqr2JFG/Blcs+yNtomKQ3D

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 15 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 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1120
    • 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\85123aadd0f97f4d2f0bde82d26375fa625db2baf454f6b31ee6beed132c2987N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2692
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\85123aadd0f97f4d2f0bde82d26375fa625db2baf454f6b31ee6beed132c2987N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2124
              • C:\Users\Admin\AppData\Local\Temp\f7658e9.exe
                C:\Users\Admin\AppData\Local\Temp\f7658e9.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:2608
              • C:\Users\Admin\AppData\Local\Temp\f765a6f.exe
                C:\Users\Admin\AppData\Local\Temp\f765a6f.exe
                4⤵
                • Modifies firewall policy service
                • UAC bypass
                • Windows security bypass
                • Executes dropped EXE
                • Windows security modification
                • Checks whether UAC is enabled
                • Drops file in Windows directory
                • System policy modification
                PID:2572
              • C:\Users\Admin\AppData\Local\Temp\f767494.exe
                C:\Users\Admin\AppData\Local\Temp\f767494.exe
                4⤵
                • Executes dropped EXE
                PID:992
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1584

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\f7658e9.exe

            Filesize

            97KB

            MD5

            752cddd93d0d613ed454c2628e44fc46

            SHA1

            c9d50f8226439dbebb6edb8e5a5dc8b8da97d092

            SHA256

            c684b1864ef137c703510e02c2d9aae453bcf95ee5e4cd0d3bae3f60e8969209

            SHA512

            af40ff7460b1b4f67f7e85264fb8d707e1a46f5642a3b3617b6b83b083e84b53f4af5d0ad79d983c2b4e1b275900518967e3723091a9b236924107dcf2d66a02

          • C:\Windows\SYSTEM.INI

            Filesize

            256B

            MD5

            3de822183c09aebb2a3655e8614d0acf

            SHA1

            655d37c1450cfaaa799f5777b65d582004a9923b

            SHA256

            de7b063b96536183084d7ae5c70b871cdd8ce5538a7269219af59d5e3d102cb8

            SHA512

            1a721cc45fafbb27920854fa1d49680321efc9073c779a00f1beb15817f39217db2d6a3877a0e4f59a75273d0908d4132cc7285f1f7e356a85e7fbfd9c9492df

          • memory/992-112-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/992-137-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/992-113-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/992-87-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/992-111-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/992-189-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1120-32-0x0000000000290000-0x0000000000292000-memory.dmp

            Filesize

            8KB

          • memory/2124-86-0x00000000002B0000-0x00000000002C2000-memory.dmp

            Filesize

            72KB

          • memory/2124-190-0x00000000002B0000-0x00000000002C2000-memory.dmp

            Filesize

            72KB

          • memory/2124-85-0x0000000000130000-0x0000000000132000-memory.dmp

            Filesize

            8KB

          • memory/2124-3-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2124-40-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/2124-4-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2124-83-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/2124-61-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/2124-39-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/2124-0-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2124-59-0x0000000000230000-0x0000000000232000-memory.dmp

            Filesize

            8KB

          • memory/2124-60-0x0000000000290000-0x00000000002A2000-memory.dmp

            Filesize

            72KB

          • memory/2124-48-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/2124-11-0x0000000000130000-0x0000000000142000-memory.dmp

            Filesize

            72KB

          • memory/2124-12-0x0000000000130000-0x0000000000142000-memory.dmp

            Filesize

            72KB

          • memory/2124-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2572-104-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2572-63-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2572-180-0x0000000000A10000-0x0000000001ACA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-103-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2572-102-0x0000000000270000-0x0000000000271000-memory.dmp

            Filesize

            4KB

          • memory/2572-184-0x0000000000A10000-0x0000000001ACA000-memory.dmp

            Filesize

            16.7MB

          • memory/2572-185-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2572-132-0x0000000000260000-0x0000000000262000-memory.dmp

            Filesize

            8KB

          • memory/2608-25-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2608-70-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2608-71-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2608-68-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2608-67-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2608-66-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2608-65-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2608-75-0x00000000005F0000-0x00000000005F2000-memory.dmp

            Filesize

            8KB

          • memory/2608-89-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2608-91-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2608-92-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2608-64-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2608-24-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2608-115-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2608-22-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2608-49-0x0000000000600000-0x0000000000601000-memory.dmp

            Filesize

            4KB

          • memory/2608-50-0x00000000005F0000-0x00000000005F2000-memory.dmp

            Filesize

            8KB

          • memory/2608-52-0x00000000005F0000-0x00000000005F2000-memory.dmp

            Filesize

            8KB

          • memory/2608-26-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2608-18-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2608-158-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2608-159-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2608-19-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2608-23-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2608-20-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2608-17-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2608-21-0x0000000000980000-0x0000000001A3A000-memory.dmp

            Filesize

            16.7MB

          • memory/2608-14-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB