Analysis

  • max time kernel
    125s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26-01-2025 06:51

General

  • Target

    JaffaCakes118_335c2a851afb774d2f791c81971642d9.exe

  • Size

    298KB

  • MD5

    335c2a851afb774d2f791c81971642d9

  • SHA1

    03edc99622d42a7d835cca12dca68776a8eeb8c5

  • SHA256

    7c35c1edabc4cf394ae493e9f7bb2f0ad896c0d031b540b633dcb7239498f4cd

  • SHA512

    f31c425f6db6d0e8e23a9bf8ce5c7d6b9b84f14832962818e5cd451c35a4c39a05c9132732ee716a690b7c4df74f4717628e4df7fe227853d326ee0000c48c15

  • SSDEEP

    6144:FRgym92YGB+40mPLGPAU7rr8pf39ZqIyM/8tv60seaqBRqNGsJEZ:X6fu+40mPIrrc3twvnBamqQ4W

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 3 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 5 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Drops autorun.inf file 1 TTPs 2 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • UPX packed file 27 IoCs

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

  • Drops file in Program Files directory 5 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 30 IoCs
  • Suspicious use of WriteProcessMemory 61 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1108
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1172
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1212
          • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_335c2a851afb774d2f791c81971642d9.exe
            "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_335c2a851afb774d2f791c81971642d9.exe"
            2⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Loads dropped DLL
            • Windows security modification
            • Checks whether UAC is enabled
            • Enumerates connected drives
            • Drops autorun.inf file
            • Drops file in Program Files directory
            • 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:2456
            • C:\Users\Admin\AppData\Local\Temp\7zSD22D.tmp\winvnc.exe
              .\winvnc.exe
              3⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • System Location Discovery: System Language Discovery
              PID:2696
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:792

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\0F76D22D_Rar\JaffaCakes118_335c2a851afb774d2f791c81971642d9.exe

            Filesize

            226KB

            MD5

            51d2d74d1f154ee07ed088f2540bfae5

            SHA1

            af10265e6f877048246b11ebfebcb9f32f1e7ed7

            SHA256

            54f56f3527b8faf17a20fa75cc749f828377192beede1465daf5b5120922051f

            SHA512

            05d516150a023bfc7b877d09864219454739b87586971ec0b85e0fae9a1e013a702b5d10f0d86cddab244362ac79eaecbd3351a4839a0099d01b5f9756ed3e81

          • C:\Users\Admin\AppData\Local\Temp\7zSD22D.tmp\background.bmp

            Filesize

            1KB

            MD5

            93f636c3397ca48faf5fcac334c6d528

            SHA1

            0ed2b1511139a649b11d8d9217f7b6eb930018df

            SHA256

            30544004aa76c16bd88e4674c0826a1beb37c5baccfb4a8b2aa7f6e7400296e6

            SHA512

            b607157522721a9f94d896457d4fc00c313e35e210d3f3d61caa42f508f419d76bfc3c050fa0ea94597e37bc9ccf6c7ed38cb0b10ad801ae4fb6d378fc91c47c

          • C:\Users\Admin\AppData\Local\Temp\7zSD22D.tmp\helpdesk.txt

            Filesize

            3KB

            MD5

            13ac6267ff929f9735ab71a5f4d51d83

            SHA1

            25318f84512d35a3efcc1c95281fc81f4af13a1d

            SHA256

            8118e0ecd7fd7912bd8bcc3a9ec2e81628a05a621afa28e5ee285e2f82b38f59

            SHA512

            e5e08df0355d7cf0b9b29e94def9e28c6dfaf4c94ae15ed99a1ed0b97dfbb26551465fb1eebcc6b76e4e016530f1e88919daf6b8ec180f41cc87a2551d5e6fc5

          • C:\Users\Admin\AppData\Local\Temp\7zSD22D.tmp\logo.bmp

            Filesize

            35KB

            MD5

            04e5513a3bfa62f6076e28241f17f9d2

            SHA1

            151b9d1b711a31c2446d364b900bef69b5810e28

            SHA256

            6285f1e7a7ca04479737c25dafd987d8a5c9d8b4ed29c0cb3d51603055453de0

            SHA512

            c1fe19764a91991bf4af3a60ffa529f45628f9404e4467de5d0353bc2b01ae858a3973743f3ae4e385791146a27c80f3e6622deff1b6c89ad1310c8e6fa01c10

          • C:\Users\Admin\AppData\Local\Temp\7zSD22D.tmp\winvnc.exe

            Filesize

            236KB

            MD5

            77de6bb7c680776fa67a5646072b7fed

            SHA1

            7f3c35d85c96ff903844feaf1aed010a34119c40

            SHA256

            50831333c6ba49fc871ca20f4a4778119e24fb975912023fd4c8bfd72b45c191

            SHA512

            c7e84578ac2ad87c4595496e695f66245910a446aaa54cc2540feed18a0cc6933d88570aa0280749e5ae8374f6643d20e98ca57f6ad437cc3dc6acf916a4bd5a

          • F:\clryeh.pif

            Filesize

            97KB

            MD5

            c549cf9ddeebbd0230186aef808e7eb1

            SHA1

            090f06eb823b4a6e81b5d55b4ca1a2ff6041e4eb

            SHA256

            6be0a5860cc8c7c46613062bdb02f2fd9af0c7b086b17de58f723e378f5f9b0b

            SHA512

            9729bda11b13910de57dd06cd3724ea77f357111c107bdba338d1fd73a93fb65dbd2f2ac3575caa3f2252f6008e74863c93c9a74d49ce6d0585baebd5f540120

          • memory/1108-53-0x0000000001F10000-0x0000000001F12000-memory.dmp

            Filesize

            8KB

          • memory/2456-2-0x00000000022D0000-0x000000000338A000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-78-0x00000000022D0000-0x000000000338A000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-35-0x00000000022D0000-0x000000000338A000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-39-0x00000000022D0000-0x000000000338A000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-67-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2456-44-0x00000000022D0000-0x000000000338A000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-41-0x00000000022D0000-0x000000000338A000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-205-0x0000000000400000-0x000000000042D000-memory.dmp

            Filesize

            180KB

          • memory/2456-65-0x00000000005D0000-0x00000000005D1000-memory.dmp

            Filesize

            4KB

          • memory/2456-63-0x00000000005D0000-0x00000000005D1000-memory.dmp

            Filesize

            4KB

          • memory/2456-62-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2456-40-0x00000000022D0000-0x000000000338A000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-111-0x00000000022D0000-0x000000000338A000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-117-0x00000000022D0000-0x000000000338A000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-37-0x00000000022D0000-0x000000000338A000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-0-0x0000000000400000-0x000000000042D000-memory.dmp

            Filesize

            180KB

          • memory/2456-42-0x00000000022D0000-0x000000000338A000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-38-0x00000000022D0000-0x000000000338A000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-79-0x00000000022D0000-0x000000000338A000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-80-0x00000000022D0000-0x000000000338A000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-81-0x00000000022D0000-0x000000000338A000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-82-0x00000000022D0000-0x000000000338A000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-84-0x00000000022D0000-0x000000000338A000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-85-0x00000000022D0000-0x000000000338A000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-86-0x00000000003F0000-0x00000000003F2000-memory.dmp

            Filesize

            8KB

          • memory/2456-87-0x00000000022D0000-0x000000000338A000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-1-0x0000000000230000-0x000000000025D000-memory.dmp

            Filesize

            180KB

          • memory/2456-97-0x00000000022D0000-0x000000000338A000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-99-0x00000000022D0000-0x000000000338A000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-101-0x00000000022D0000-0x000000000338A000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-102-0x00000000022D0000-0x000000000338A000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-105-0x00000000022D0000-0x000000000338A000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-107-0x00000000022D0000-0x000000000338A000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-36-0x00000000022D0000-0x000000000338A000-memory.dmp

            Filesize

            16.7MB

          • memory/2456-115-0x00000000022D0000-0x000000000338A000-memory.dmp

            Filesize

            16.7MB

          • memory/2696-75-0x00000000004D0000-0x00000000004D1000-memory.dmp

            Filesize

            4KB

          • memory/2696-96-0x00000000004C0000-0x00000000004C2000-memory.dmp

            Filesize

            8KB

          • memory/2696-77-0x00000000004C0000-0x00000000004C2000-memory.dmp

            Filesize

            8KB