Analysis

  • max time kernel
    150s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    23/07/2024, 17:42

General

  • Target

    689470c1b55d31a0293aa4b37272cf6c_JaffaCakes118.exe

  • Size

    355KB

  • MD5

    689470c1b55d31a0293aa4b37272cf6c

  • SHA1

    2ea05d45d4c697da48891084af704fce9dc9641a

  • SHA256

    a8fddb1efbbc9c127af0ebd7d11191c79ffaeb977dc00a1da535477cfcb6e9a8

  • SHA512

    a8ec797164e5718d1670d5173a72b80398f80e4bb1addb8b3a4956e01992b5097cbb92d861a04dc22d56dcf41cf7fbdd494cb93180c6cd5a4d6193da6b1bbf16

  • SSDEEP

    6144:/Ol1STtqI+Giw78knnSSwYnn1SZ3DAUNPtYZ4d2agBcVWYjDnpK+YYyN1pOpVeEL:1Tdiw782SSrnaD13u2PVFDpK+YRSUF8S

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 2 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 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.

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 31 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1124
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1168
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1196
          • C:\Users\Admin\AppData\Local\Temp\689470c1b55d31a0293aa4b37272cf6c_JaffaCakes118.exe
            "C:\Users\Admin\AppData\Local\Temp\689470c1b55d31a0293aa4b37272cf6c_JaffaCakes118.exe"
            2⤵
            • Loads dropped DLL
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Modifies Internet Explorer settings
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1984
            • C:\Users\Admin\AppData\Roaming\Ysoh\reaha.exe
              "C:\Users\Admin\AppData\Roaming\Ysoh\reaha.exe"
              3⤵
              • Executes dropped EXE
              • Adds Run key to start application
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:1804
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmp9c7a107b.bat"
              3⤵
              • Deletes itself
              • System Location Discovery: System Language Discovery
              PID:2684
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:636

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\tmp9c7a107b.bat

            Filesize

            271B

            MD5

            6a473fbb5fa9e7c5e40012178332d2cc

            SHA1

            bd61b95ec81260d37c89f3268da7b630c1b1ec82

            SHA256

            4613a17557132f12a3a18db6e346070f3e206dc52394e8c07b181e456954833c

            SHA512

            6dc32ace24c8fc309f62f8497241cf801a51dcd248fe1b02bd069fb7f706852a45082b221bf7f1609741a737a2bd859a4416ab2c4e31d104c9738b5a76f96764

          • C:\Users\Admin\AppData\Roaming\Inly\fopu.ofs

            Filesize

            380B

            MD5

            bc3daa1784f6af0657f29505b08fd4c7

            SHA1

            fff270926deddbc6fdd2a0d684e7ca0654408bf8

            SHA256

            a072f8d1355019b5b075598ca4fc2e020f9c47f6b5a8c6539fb9388de7689675

            SHA512

            2b40cd456a64089ff783d9c143f4b7f77f060a4cd4feac4f2b00c8a81b5c132582c3ebe5464abcf4e84243b8164372f72da6b376f89f27d6fcdd20db16286416

          • \Users\Admin\AppData\Roaming\Ysoh\reaha.exe

            Filesize

            355KB

            MD5

            0d6a91362060250c213057ec84aced81

            SHA1

            3364a17bf8b66d1f72036c186df188d13f3e1c54

            SHA256

            89889d0608e738b7b94f29ef79733ee04f13ebc6ddf8a2446f37d79510bfb49e

            SHA512

            0c7395a26520ee0d949eb325269dc0eeb0db6bed9fbbd9bca99382f0dfc7531e42f5b731e47df2b39992911845fd9424fe238dee073cc805c0fe58b0e5b2f347

          • memory/636-42-0x00000000021A0000-0x00000000021DD000-memory.dmp

            Filesize

            244KB

          • memory/636-41-0x00000000021A0000-0x00000000021DD000-memory.dmp

            Filesize

            244KB

          • memory/636-40-0x00000000021A0000-0x00000000021DD000-memory.dmp

            Filesize

            244KB

          • memory/636-39-0x00000000021A0000-0x00000000021DD000-memory.dmp

            Filesize

            244KB

          • memory/1124-21-0x00000000005E0000-0x000000000061D000-memory.dmp

            Filesize

            244KB

          • memory/1124-17-0x00000000005E0000-0x000000000061D000-memory.dmp

            Filesize

            244KB

          • memory/1124-18-0x00000000005E0000-0x000000000061D000-memory.dmp

            Filesize

            244KB

          • memory/1124-19-0x00000000005E0000-0x000000000061D000-memory.dmp

            Filesize

            244KB

          • memory/1124-20-0x00000000005E0000-0x000000000061D000-memory.dmp

            Filesize

            244KB

          • memory/1168-26-0x0000000002010000-0x000000000204D000-memory.dmp

            Filesize

            244KB

          • memory/1168-30-0x0000000002010000-0x000000000204D000-memory.dmp

            Filesize

            244KB

          • memory/1168-28-0x0000000002010000-0x000000000204D000-memory.dmp

            Filesize

            244KB

          • memory/1168-24-0x0000000002010000-0x000000000204D000-memory.dmp

            Filesize

            244KB

          • memory/1196-33-0x00000000025A0000-0x00000000025DD000-memory.dmp

            Filesize

            244KB

          • memory/1196-36-0x00000000025A0000-0x00000000025DD000-memory.dmp

            Filesize

            244KB

          • memory/1196-34-0x00000000025A0000-0x00000000025DD000-memory.dmp

            Filesize

            244KB

          • memory/1196-35-0x00000000025A0000-0x00000000025DD000-memory.dmp

            Filesize

            244KB

          • memory/1804-14-0x0000000000400000-0x0000000000534000-memory.dmp

            Filesize

            1.2MB

          • memory/1804-15-0x0000000000400000-0x0000000000534000-memory.dmp

            Filesize

            1.2MB

          • memory/1804-272-0x0000000000400000-0x0000000000534000-memory.dmp

            Filesize

            1.2MB

          • memory/1804-273-0x0000000000400000-0x0000000000534000-memory.dmp

            Filesize

            1.2MB

          • memory/1984-79-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/1984-71-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/1984-51-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/1984-49-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/1984-46-0x0000000000320000-0x000000000035D000-memory.dmp

            Filesize

            244KB

          • memory/1984-45-0x0000000000320000-0x000000000035D000-memory.dmp

            Filesize

            244KB

          • memory/1984-44-0x0000000000320000-0x000000000035D000-memory.dmp

            Filesize

            244KB

          • memory/1984-55-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/1984-57-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/1984-59-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/1984-61-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/1984-63-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/1984-65-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/1984-69-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/1984-47-0x0000000000320000-0x000000000035D000-memory.dmp

            Filesize

            244KB

          • memory/1984-53-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/1984-73-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/1984-75-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/1984-77-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/1984-1-0x0000000000400000-0x000000000052D000-memory.dmp

            Filesize

            1.2MB

          • memory/1984-81-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/1984-134-0x0000000000400000-0x0000000000534000-memory.dmp

            Filesize

            1.2MB

          • memory/1984-67-0x0000000000280000-0x0000000000281000-memory.dmp

            Filesize

            4KB

          • memory/1984-8-0x0000000002480000-0x00000000025B4000-memory.dmp

            Filesize

            1.2MB

          • memory/1984-152-0x0000000000400000-0x0000000000534000-memory.dmp

            Filesize

            1.2MB

          • memory/1984-153-0x0000000000400000-0x000000000052D000-memory.dmp

            Filesize

            1.2MB

          • memory/1984-5-0x0000000000400000-0x0000000000534000-memory.dmp

            Filesize

            1.2MB

          • memory/1984-0-0x0000000000400000-0x0000000000534000-memory.dmp

            Filesize

            1.2MB

          • memory/1984-2-0x0000000000400000-0x0000000000534000-memory.dmp

            Filesize

            1.2MB