Analysis

  • max time kernel
    22s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    16-12-2024 22:09

General

  • Target

    4dfd4bb7acf5cf1dd77e703956f89fa31142acd4e72d31891b3555a094594ce0.exe

  • Size

    741KB

  • MD5

    ba76d31811905e1e6e2324a63eb1c48a

  • SHA1

    75a4db325f059b4055c9f827512e9a4a2171ff7b

  • SHA256

    4dfd4bb7acf5cf1dd77e703956f89fa31142acd4e72d31891b3555a094594ce0

  • SHA512

    d57a8af51d5802f8b8dbe254fdc84009200644272eb9d40fccf4c5e5952eb19126ff479ba4aa3d47c32846006a143f3b786ec25045122ce409055b56c6df7e43

  • SSDEEP

    12288:67BJqMcE8BVip7GWcLxL2KN6YoPatd1zHm8+LrEoMzfxmgGF:678n47Vc7ZRdJm8TxzfcH

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 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Windows security modification 2 TTPs 14 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 8 IoCs

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

  • UPX packed file 19 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 45 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1096
    • 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:\Users\Admin\AppData\Local\Temp\4dfd4bb7acf5cf1dd77e703956f89fa31142acd4e72d31891b3555a094594ce0.exe
            "C:\Users\Admin\AppData\Local\Temp\4dfd4bb7acf5cf1dd77e703956f89fa31142acd4e72d31891b3555a094594ce0.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Loads dropped DLL
            • Windows security modification
            • Adds Run key to start application
            • Checks whether UAC is enabled
            • 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:2728
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\4dfd4bb7acf5cf1dd77e703956f89fa31142acd4e72d31891b3555a094594ce0.exe" "C:\ProgramData\CacheMgr.exe"
              3⤵
              • System Location Discovery: System Language Discovery
              PID:2828
            • C:\ProgramData\CacheMgr.exe
              "C:\ProgramData\CacheMgr.exe" -as
              3⤵
              • 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:2600
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1508

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SYSTEM.INI

            Filesize

            256B

            MD5

            ec414203f6db0887824d8c9b544d0f76

            SHA1

            ee6db1a2e385856ee526b6a2b16b26adccd273b7

            SHA256

            544e65bb8c4b5de8b5978e3f1d39fded0a2890c161c84f119a47de2997f87f18

            SHA512

            be2a5fd68a71b1254b02622b4adc2bf2f37cd93302f829d55394ddc1a313608ff4879079b587ab3e936debecff6386f1111917ce6b1ac541f59e95cb1e6fa781

          • C:\bquav.pif

            Filesize

            97KB

            MD5

            11d3e2a229775c2415be9d7219dd6a88

            SHA1

            eadfc378e14aef62585e26a806040f4b12aaa6de

            SHA256

            78e7d11407328c91fbf8031b676c4d421fe7f4043bb06eebaa432bc767b1b2fa

            SHA512

            62821448decba57d2e31188ef4918a82125332e2739ec6fe00974a28924f5154bc60a452cc39eb69165b2603650e0e3b7345b2fac2764717ad5c8c27d14227e9

          • \ProgramData\CacheMgr.exe

            Filesize

            741KB

            MD5

            ba76d31811905e1e6e2324a63eb1c48a

            SHA1

            75a4db325f059b4055c9f827512e9a4a2171ff7b

            SHA256

            4dfd4bb7acf5cf1dd77e703956f89fa31142acd4e72d31891b3555a094594ce0

            SHA512

            d57a8af51d5802f8b8dbe254fdc84009200644272eb9d40fccf4c5e5952eb19126ff479ba4aa3d47c32846006a143f3b786ec25045122ce409055b56c6df7e43

          • memory/1096-13-0x0000000001B40000-0x0000000001B42000-memory.dmp

            Filesize

            8KB

          • memory/2600-95-0x0000000003F00000-0x0000000003F01000-memory.dmp

            Filesize

            4KB

          • memory/2600-67-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/2600-69-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/2600-99-0x00000000751B0000-0x000000007520C000-memory.dmp

            Filesize

            368KB

          • memory/2600-70-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/2600-71-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/2600-72-0x00000000009C0000-0x0000000001A7A000-memory.dmp

            Filesize

            16.7MB

          • memory/2600-89-0x0000000000400000-0x00000000004BC000-memory.dmp

            Filesize

            752KB

          • memory/2728-21-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2728-65-0x0000000000290000-0x00000000002A6000-memory.dmp

            Filesize

            88KB

          • memory/2728-30-0x00000000007E0000-0x000000000189A000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-9-0x00000000007E0000-0x000000000189A000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-10-0x00000000007E0000-0x000000000189A000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-34-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/2728-35-0x00000000751E0000-0x00000000751E8000-memory.dmp

            Filesize

            32KB

          • memory/2728-11-0x00000000006C0000-0x00000000007C0000-memory.dmp

            Filesize

            1024KB

          • memory/2728-1-0x00000000007E0000-0x000000000189A000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-44-0x00000000007E0000-0x000000000189A000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-45-0x00000000007E0000-0x000000000189A000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-31-0x00000000007E0000-0x000000000189A000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-46-0x00000000007E0000-0x000000000189A000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-12-0x0000000000290000-0x00000000002A6000-memory.dmp

            Filesize

            88KB

          • memory/2728-20-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/2728-0-0x0000000000400000-0x00000000004BC000-memory.dmp

            Filesize

            752KB

          • memory/2728-23-0x00000000003F0000-0x00000000003F1000-memory.dmp

            Filesize

            4KB

          • memory/2728-32-0x00000000751E2000-0x00000000751E3000-memory.dmp

            Filesize

            4KB

          • memory/2728-4-0x00000000007E0000-0x000000000189A000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-5-0x00000000007E0000-0x000000000189A000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-7-0x00000000007E0000-0x000000000189A000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-6-0x00000000007E0000-0x000000000189A000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-8-0x00000000007E0000-0x000000000189A000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-49-0x00000000007E0000-0x000000000189A000-memory.dmp

            Filesize

            16.7MB

          • memory/2728-64-0x0000000000400000-0x00000000004BC000-memory.dmp

            Filesize

            752KB

          • memory/2728-55-0x00000000003D0000-0x00000000003D2000-memory.dmp

            Filesize

            8KB

          • memory/2828-29-0x0000000000030000-0x0000000000031000-memory.dmp

            Filesize

            4KB