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Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    11/08/2024, 02:42

General

  • Target

    88accf704d087c46bd15f075b51410d1_JaffaCakes118.exe

  • Size

    129KB

  • MD5

    88accf704d087c46bd15f075b51410d1

  • SHA1

    db6882ab87e046f6203485654dd2205e5ce3b96f

  • SHA256

    2774f97f982e1aba08267c3e133f3e24bc2ca5af495a8a86596e19639a9e8567

  • SHA512

    9f27e6fe13d2b82aae9510a0bfbbebc7f10545ab68daf75cb84e6214f5e88d2038622c26e15a039415bd3da750456c67b3f40c43c95960c192dfb41b96965ae7

  • SSDEEP

    3072:svMe+I0OEWZmvEG0ndXBM7SQ/mb6M178uyo:sUeNqMdD1oux

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • UPX packed file 3 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 3 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 33 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1116
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1176
      • C:\Windows\Explorer.EXE
        C:\Windows\Explorer.EXE
        1⤵
          PID:1212
          • C:\Users\Admin\AppData\Local\Temp\88accf704d087c46bd15f075b51410d1_JaffaCakes118.exe
            "C:\Users\Admin\AppData\Local\Temp\88accf704d087c46bd15f075b51410d1_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:2676
            • C:\Users\Admin\AppData\Roaming\Ceuvx\exurd.exe
              "C:\Users\Admin\AppData\Roaming\Ceuvx\exurd.exe"
              3⤵
              • Executes dropped EXE
              • Adds Run key to start application
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:2580
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmp5f99fc44.bat"
              3⤵
              • Deletes itself
              • System Location Discovery: System Language Discovery
              PID:2224
        • C:\Windows\system32\DllHost.exe
          C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
          1⤵
            PID:1704
          • C:\Windows\system32\DllHost.exe
            C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
            1⤵
              PID:2772
            • C:\Windows\system32\DllHost.exe
              C:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}
              1⤵
                PID:1520

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Local\Temp\tmp5f99fc44.bat

                Filesize

                271B

                MD5

                2a2ac4f9510f5f9797d3390743fc5cc2

                SHA1

                cc5312acd3a6ff541acf140eef29c0b1cd2a8deb

                SHA256

                79fa35ce9c48ba6307a2148510bd36eb9d86ac0325f94f838d22a68ef7d50b9a

                SHA512

                38b1a9e9f9508accbbab8c466b7173ffb63ff22e80104e27cd21b27fec1660fa69733dde1ab5897ddbdb65d02f1b6ca595ba7a8a71788bf2f46da1e376ca9518

              • C:\Users\Admin\AppData\Roaming\Uhif\wiheo.huc

                Filesize

                380B

                MD5

                0578bbb55f766bef83ef3aa5f55cbc4c

                SHA1

                dd1489c9552b08e151d38e993e50d711f0a7332d

                SHA256

                658c9d87d784eb0c8b5bbd3b4eb4fa79533969123070d0c494a10991a0b43c79

                SHA512

                14109e93a9b4e928cc628d6b6f474aa6eab120c796634e6d9ae3599ebb01379a1cdbd4a365df2ed57ef0fdd47a73e27f9a993fa0a298ed390344fbad678f0b6f

              • \Users\Admin\AppData\Roaming\Ceuvx\exurd.exe

                Filesize

                129KB

                MD5

                9c68ed57276e0cf425b5e6e3b4f7f528

                SHA1

                e0cb03f0f0b7f6c1d1cff792abc7caa35c87cc1f

                SHA256

                a670f4b41b5bde26e63eac0396171770fd685bf387443e7106504af087c0c0bc

                SHA512

                d12de95d4c23364c4ffd785d5ac3198d8a2acc5c89c9fe0ae0f26417c863cc60b15c36b12851faf3cf760aa493efee2d79106eccd1c9292ecfe412353cac2ead

              • memory/1116-20-0x0000000001EB0000-0x0000000001ED5000-memory.dmp

                Filesize

                148KB

              • memory/1116-21-0x0000000001EB0000-0x0000000001ED5000-memory.dmp

                Filesize

                148KB

              • memory/1116-22-0x0000000001EB0000-0x0000000001ED5000-memory.dmp

                Filesize

                148KB

              • memory/1116-18-0x0000000001EB0000-0x0000000001ED5000-memory.dmp

                Filesize

                148KB

              • memory/1116-19-0x0000000001EB0000-0x0000000001ED5000-memory.dmp

                Filesize

                148KB

              • memory/1176-24-0x0000000000130000-0x0000000000155000-memory.dmp

                Filesize

                148KB

              • memory/1176-27-0x0000000000130000-0x0000000000155000-memory.dmp

                Filesize

                148KB

              • memory/1176-26-0x0000000000130000-0x0000000000155000-memory.dmp

                Filesize

                148KB

              • memory/1176-25-0x0000000000130000-0x0000000000155000-memory.dmp

                Filesize

                148KB

              • memory/1212-29-0x0000000002D50000-0x0000000002D75000-memory.dmp

                Filesize

                148KB

              • memory/1212-30-0x0000000002D50000-0x0000000002D75000-memory.dmp

                Filesize

                148KB

              • memory/1212-31-0x0000000002D50000-0x0000000002D75000-memory.dmp

                Filesize

                148KB

              • memory/1212-32-0x0000000002D50000-0x0000000002D75000-memory.dmp

                Filesize

                148KB

              • memory/1704-41-0x0000000001C70000-0x0000000001C95000-memory.dmp

                Filesize

                148KB

              • memory/1704-39-0x0000000001C70000-0x0000000001C95000-memory.dmp

                Filesize

                148KB

              • memory/1704-35-0x0000000001C70000-0x0000000001C95000-memory.dmp

                Filesize

                148KB

              • memory/1704-37-0x0000000001C70000-0x0000000001C95000-memory.dmp

                Filesize

                148KB

              • memory/2580-16-0x0000000000400000-0x0000000000436000-memory.dmp

                Filesize

                216KB

              • memory/2580-14-0x0000000000400000-0x0000000000436000-memory.dmp

                Filesize

                216KB

              • memory/2580-15-0x0000000000400000-0x0000000000436000-memory.dmp

                Filesize

                216KB

              • memory/2580-263-0x0000000000400000-0x0000000000436000-memory.dmp

                Filesize

                216KB

              • memory/2676-65-0x0000000000400000-0x0000000000436000-memory.dmp

                Filesize

                216KB

              • memory/2676-74-0x0000000000240000-0x0000000000241000-memory.dmp

                Filesize

                4KB

              • memory/2676-63-0x0000000000240000-0x0000000000241000-memory.dmp

                Filesize

                4KB

              • memory/2676-61-0x0000000000240000-0x0000000000241000-memory.dmp

                Filesize

                4KB

              • memory/2676-59-0x0000000000240000-0x0000000000241000-memory.dmp

                Filesize

                4KB

              • memory/2676-55-0x0000000000240000-0x0000000000241000-memory.dmp

                Filesize

                4KB

              • memory/2676-53-0x0000000000240000-0x0000000000241000-memory.dmp

                Filesize

                4KB

              • memory/2676-51-0x0000000000240000-0x0000000000241000-memory.dmp

                Filesize

                4KB

              • memory/2676-49-0x0000000000240000-0x0000000000241000-memory.dmp

                Filesize

                4KB

              • memory/2676-46-0x00000000003C0000-0x00000000003E5000-memory.dmp

                Filesize

                148KB

              • memory/2676-45-0x00000000003C0000-0x00000000003E5000-memory.dmp

                Filesize

                148KB

              • memory/2676-44-0x00000000003C0000-0x00000000003E5000-memory.dmp

                Filesize

                148KB

              • memory/2676-68-0x0000000000240000-0x0000000000241000-memory.dmp

                Filesize

                4KB

              • memory/2676-70-0x0000000000240000-0x0000000000241000-memory.dmp

                Filesize

                4KB

              • memory/2676-72-0x0000000000240000-0x0000000000241000-memory.dmp

                Filesize

                4KB

              • memory/2676-66-0x0000000000240000-0x0000000000241000-memory.dmp

                Filesize

                4KB

              • memory/2676-76-0x0000000000240000-0x0000000000241000-memory.dmp

                Filesize

                4KB

              • memory/2676-146-0x00000000003C0000-0x00000000003E5000-memory.dmp

                Filesize

                148KB

              • memory/2676-145-0x0000000000400000-0x0000000000436000-memory.dmp

                Filesize

                216KB

              • memory/2676-78-0x0000000000240000-0x0000000000241000-memory.dmp

                Filesize

                4KB

              • memory/2676-80-0x0000000000240000-0x0000000000241000-memory.dmp

                Filesize

                4KB

              • memory/2676-82-0x0000000000240000-0x0000000000241000-memory.dmp

                Filesize

                4KB

              • memory/2676-0-0x0000000000400000-0x0000000000436000-memory.dmp

                Filesize

                216KB

              • memory/2676-57-0x0000000000240000-0x0000000000241000-memory.dmp

                Filesize

                4KB

              • memory/2676-47-0x00000000003C0000-0x00000000003E5000-memory.dmp

                Filesize

                148KB

              • memory/2676-48-0x00000000003C0000-0x00000000003E5000-memory.dmp

                Filesize

                148KB

              • memory/2676-7-0x00000000003C0000-0x00000000003F6000-memory.dmp

                Filesize

                216KB

              • memory/2676-3-0x0000000000400000-0x0000000000436000-memory.dmp

                Filesize

                216KB

              • memory/2676-2-0x0000000000400000-0x0000000000436000-memory.dmp

                Filesize

                216KB

              • memory/2676-1-0x0000000000220000-0x0000000000222000-memory.dmp

                Filesize

                8KB