Analysis

  • max time kernel
    27s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2024 11:54

General

  • Target

    4f4d4ca3c033589b86b27c8d02586000886e3ce487d1ef454d01220635fb13a9N.dll

  • Size

    120KB

  • MD5

    b09ca1c724e23ea11c1e6bec53031fc0

  • SHA1

    6a99bc479dc3447c295db0637608e508806d73b1

  • SHA256

    4f4d4ca3c033589b86b27c8d02586000886e3ce487d1ef454d01220635fb13a9

  • SHA512

    fb285f062ec926d377c952c0e060fe5d48ea59eb987a483486d835f82df6cfba4a6c63c00e3213c89f95d11df6b715c8922cd220653eabaf1d1b82ad88d58aae

  • SSDEEP

    1536:zW33nb2aQNX9T0QQwVz1AxNaRAW13spw8wCcDhr67MXmB8T2:zWnnblEtptVKRW1spw8x6h2T82

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 13 IoCs

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

  • UPX packed file 27 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 44 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1116
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1164
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1204
          • C:\Windows\system32\rundll32.exe
            rundll32.exe C:\Users\Admin\AppData\Local\Temp\4f4d4ca3c033589b86b27c8d02586000886e3ce487d1ef454d01220635fb13a9N.dll,#1
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:2308
            • C:\Windows\SysWOW64\rundll32.exe
              rundll32.exe C:\Users\Admin\AppData\Local\Temp\4f4d4ca3c033589b86b27c8d02586000886e3ce487d1ef454d01220635fb13a9N.dll,#1
              3⤵
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1704
              • C:\Users\Admin\AppData\Local\Temp\f77a91b.exe
                C:\Users\Admin\AppData\Local\Temp\f77a91b.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:2644
              • C:\Users\Admin\AppData\Local\Temp\f77aaa1.exe
                C:\Users\Admin\AppData\Local\Temp\f77aaa1.exe
                4⤵
                • Executes dropped EXE
                PID:2280
              • C:\Users\Admin\AppData\Local\Temp\f77c504.exe
                C:\Users\Admin\AppData\Local\Temp\f77c504.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:1276
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:324

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            257B

            MD5

            7d83a63cd8a359a07a60b62eff443ff3

            SHA1

            e4034c73428d5b43306b688de5074f0bb2fb67cb

            SHA256

            757aac345c7c9329034422c8098cf193c08e4db5483bc03e1f690e77b85d40fa

            SHA512

            93d87a7816df72ab87e6317c10f418de0473ef9873b9d32ecef5682a8d37d587663b80266142bcf696753bf96f46686ea68edd7891f9035d3a9c93d8fdd8ad9a

          • \Users\Admin\AppData\Local\Temp\f77a91b.exe

            Filesize

            97KB

            MD5

            531cca9074840665ff2b3c3839f15d21

            SHA1

            d8eeb5209051e2c69eeb884b6ac28e102c095916

            SHA256

            0f1a5c6aec8b98fcd5b5f582c90e42c86dfa1f747c8b7b0ee2da988115fd9ce1

            SHA512

            7c7136a58afedbcdc4d3ffd715c6ef6ea89443dd454ef3c27861146b9b7a2a705612db1870a2e53ee0573aa6e2d7e4d3ddd2959a1dec93f59cb9f682b373e2ca

          • memory/1116-27-0x0000000002000000-0x0000000002002000-memory.dmp

            Filesize

            8KB

          • memory/1276-99-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/1276-200-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1276-97-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/1276-201-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1276-162-0x0000000000900000-0x00000000019BA000-memory.dmp

            Filesize

            16.7MB

          • memory/1276-122-0x00000000003E0000-0x00000000003E2000-memory.dmp

            Filesize

            8KB

          • memory/1704-34-0x0000000000210000-0x0000000000212000-memory.dmp

            Filesize

            8KB

          • memory/1704-43-0x0000000000220000-0x0000000000221000-memory.dmp

            Filesize

            4KB

          • memory/1704-73-0x0000000000940000-0x0000000000952000-memory.dmp

            Filesize

            72KB

          • memory/1704-72-0x0000000000940000-0x0000000000952000-memory.dmp

            Filesize

            72KB

          • memory/1704-56-0x0000000000210000-0x0000000000212000-memory.dmp

            Filesize

            8KB

          • memory/1704-55-0x00000000008E0000-0x00000000008F2000-memory.dmp

            Filesize

            72KB

          • memory/1704-74-0x0000000000210000-0x0000000000212000-memory.dmp

            Filesize

            8KB

          • memory/1704-9-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/1704-35-0x0000000000220000-0x0000000000221000-memory.dmp

            Filesize

            4KB

          • memory/1704-1-0x0000000010000000-0x0000000010020000-memory.dmp

            Filesize

            128KB

          • memory/2280-148-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2280-89-0x0000000000370000-0x0000000000371000-memory.dmp

            Filesize

            4KB

          • memory/2280-90-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2280-113-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2280-58-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2280-96-0x0000000000360000-0x0000000000362000-memory.dmp

            Filesize

            8KB

          • memory/2644-62-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2644-101-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-63-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-60-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-59-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-17-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-78-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-79-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-81-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-19-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-21-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-44-0x00000000018F0000-0x00000000018F1000-memory.dmp

            Filesize

            4KB

          • memory/2644-47-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2644-20-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-100-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-61-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-103-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-105-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-107-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-108-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-13-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-18-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-143-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB

          • memory/2644-144-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-16-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-14-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-15-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-11-0x0000000000660000-0x000000000171A000-memory.dmp

            Filesize

            16.7MB

          • memory/2644-10-0x0000000000400000-0x0000000000412000-memory.dmp

            Filesize

            72KB