Analysis

  • max time kernel
    27s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    16/07/2024, 03:09

General

  • Target

    5a5b2e47611a4b1fe6ad2a3205930f00N.dll

  • Size

    120KB

  • MD5

    5a5b2e47611a4b1fe6ad2a3205930f00

  • SHA1

    115f6ab117b9c378dea27499846fdcb2b4dda784

  • SHA256

    47278e183bd2265bd2fc126b254195fbbce7d50136d32238bdc76cc3ebde5c70

  • SHA512

    4d6e8d26bd148b29c57ff05aefd06a3ec04539dd63627b6ec0f8076ca351657335ce2f959e77212804a30a102f90913b4de3c306fe7ea01c2b860f54a1c5a572

  • SSDEEP

    3072:rCICBM7b39lkwoeoltyEAG4whuXhAan1515lz8hx+O7D:rAM75lura9O12blz+x+m

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.

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 IoCs
  • UPX packed file 24 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

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

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

  • Drops file in Windows directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1088
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1144
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1184
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\5a5b2e47611a4b1fe6ad2a3205930f00N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1292
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\5a5b2e47611a4b1fe6ad2a3205930f00N.dll,#1
              3⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:2156
              • C:\Users\Admin\AppData\Local\Temp\f778d23.exe
                C:\Users\Admin\AppData\Local\Temp\f778d23.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
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • System policy modification
                PID:3036
              • C:\Users\Admin\AppData\Local\Temp\f779000.exe
                C:\Users\Admin\AppData\Local\Temp\f779000.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:2444
              • C:\Users\Admin\AppData\Local\Temp\f77a7b4.exe
                C:\Users\Admin\AppData\Local\Temp\f77a7b4.exe
                4⤵
                • Executes dropped EXE
                PID:2536
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1544

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                • C:\Windows\SYSTEM.INI

                  Filesize

                  257B

                  MD5

                  4987747285904b423045a77f333952eb

                  SHA1

                  be0b97969961e397e306bb1262c4a9b543e92a5f

                  SHA256

                  6fc63dd68740ae9a24cb3376ffc0b6555f701f6e8f0bb9269f627b3f93eeb641

                  SHA512

                  49871393ebe80f6db72ec0103233e4ff3bf6476c112285e578fca38500866171a0875277eed6067242d76e9330fe1d27fce27dfe65bfc603e5bb3ceeaaecca39

                • \Users\Admin\AppData\Local\Temp\f778d23.exe

                  Filesize

                  97KB

                  MD5

                  4b6a24d12e436b9a3d60e36cb291c813

                  SHA1

                  5bd71eab64a4f02a89c8956efe48c6ff5a30ea73

                  SHA256

                  76373a94c8af3a4f7b49017643f5d8b811a00385c0df53c45899ecb233b2fd24

                  SHA512

                  8568a54b06b1b069c435fa20423c2a9fb5d9bbc0deb87a568860322e9c5619c1bfc5c30ed438e7fbe29841ded132f2803ac9fe4be4807fab47f93109fe42dd31

                • memory/1088-30-0x0000000001B40000-0x0000000001B42000-memory.dmp

                  Filesize

                  8KB

                • memory/2156-10-0x0000000000180000-0x0000000000192000-memory.dmp

                  Filesize

                  72KB

                • memory/2156-9-0x0000000000180000-0x0000000000192000-memory.dmp

                  Filesize

                  72KB

                • memory/2156-2-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/2156-81-0x0000000000180000-0x0000000000182000-memory.dmp

                  Filesize

                  8KB

                • memory/2156-38-0x0000000000690000-0x0000000000691000-memory.dmp

                  Filesize

                  4KB

                • memory/2156-56-0x00000000001F0000-0x00000000001F2000-memory.dmp

                  Filesize

                  8KB

                • memory/2156-1-0x0000000010000000-0x0000000010020000-memory.dmp

                  Filesize

                  128KB

                • memory/2156-37-0x00000000001F0000-0x00000000001F2000-memory.dmp

                  Filesize

                  8KB

                • memory/2156-60-0x00000000001F0000-0x00000000001F2000-memory.dmp

                  Filesize

                  8KB

                • memory/2156-59-0x00000000006E0000-0x00000000006F2000-memory.dmp

                  Filesize

                  72KB

                • memory/2156-78-0x00000000001F0000-0x00000000001F2000-memory.dmp

                  Filesize

                  8KB

                • memory/2156-46-0x0000000000690000-0x0000000000691000-memory.dmp

                  Filesize

                  4KB

                • memory/2444-176-0x0000000000940000-0x00000000019FA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2444-98-0x0000000000260000-0x0000000000262000-memory.dmp

                  Filesize

                  8KB

                • memory/2444-106-0x0000000000260000-0x0000000000262000-memory.dmp

                  Filesize

                  8KB

                • memory/2444-97-0x00000000002B0000-0x00000000002B1000-memory.dmp

                  Filesize

                  4KB

                • memory/2444-170-0x0000000000940000-0x00000000019FA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/2444-61-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2444-177-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2536-104-0x00000000001C0000-0x00000000001C1000-memory.dmp

                  Filesize

                  4KB

                • memory/2536-107-0x00000000001B0000-0x00000000001B2000-memory.dmp

                  Filesize

                  8KB

                • memory/2536-105-0x00000000001B0000-0x00000000001B2000-memory.dmp

                  Filesize

                  8KB

                • memory/2536-82-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/2536-181-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/3036-23-0x0000000000700000-0x00000000017BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3036-47-0x00000000004E0000-0x00000000004E1000-memory.dmp

                  Filesize

                  4KB

                • memory/3036-64-0x0000000000700000-0x00000000017BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3036-65-0x0000000000700000-0x00000000017BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3036-66-0x0000000000700000-0x00000000017BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3036-68-0x0000000000700000-0x00000000017BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3036-63-0x0000000000700000-0x00000000017BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3036-15-0x0000000000700000-0x00000000017BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3036-20-0x0000000000700000-0x00000000017BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3036-72-0x0000000000700000-0x00000000017BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3036-84-0x0000000000700000-0x00000000017BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3036-85-0x0000000000700000-0x00000000017BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3036-87-0x0000000000700000-0x00000000017BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3036-62-0x0000000000700000-0x00000000017BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3036-17-0x0000000000700000-0x00000000017BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3036-49-0x00000000003F0000-0x00000000003F2000-memory.dmp

                  Filesize

                  8KB

                • memory/3036-21-0x0000000000700000-0x00000000017BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3036-19-0x0000000000700000-0x00000000017BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3036-22-0x0000000000700000-0x00000000017BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3036-108-0x0000000000700000-0x00000000017BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3036-129-0x00000000003F0000-0x00000000003F2000-memory.dmp

                  Filesize

                  8KB

                • memory/3036-150-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB

                • memory/3036-151-0x0000000000700000-0x00000000017BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3036-16-0x0000000000700000-0x00000000017BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3036-58-0x00000000003F0000-0x00000000003F2000-memory.dmp

                  Filesize

                  8KB

                • memory/3036-18-0x0000000000700000-0x00000000017BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3036-24-0x0000000000700000-0x00000000017BA000-memory.dmp

                  Filesize

                  16.7MB

                • memory/3036-12-0x0000000000400000-0x0000000000412000-memory.dmp

                  Filesize

                  72KB