Analysis

  • max time kernel
    223s
  • max time network
    231s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    29-11-2022 04:22

General

  • Target

    a10a98c2278206fa1f4f5bffb2a5a243779b2d9e71a0a7c8c4a124ef33322ca8.exe

  • Size

    1009KB

  • MD5

    b6c5e599872a6b86c8fbba1301d63f50

  • SHA1

    1eed46990ec3b06598e9a192084d92b5243f0141

  • SHA256

    a10a98c2278206fa1f4f5bffb2a5a243779b2d9e71a0a7c8c4a124ef33322ca8

  • SHA512

    13532cd28443d69741d46bffc958ad412a5a9a57bce9adff29d9b6025cc65fbccc987a35a999b44c72db1ffb6640c681f57fef88ec71ec4a042c4c1873ee4840

  • SSDEEP

    24576:Cs5Uf2NP6RaGAdsuGSg25Yg4FLh0zLAZAMjAl8oFN12LAI3mz:weNPVGSg25YgILheAXj2rPMUimz

Malware Config

Signatures

  • CyberGate, Rebhip

    CyberGate is a lightweight remote administration tool with a wide array of functionalities.

  • Adds policy Run key to start application 2 TTPs 4 IoCs
  • Executes dropped EXE 1 IoCs
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • UPX packed file 15 IoCs

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

  • Checks BIOS information in registry 2 TTPs 4 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 7 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Checks processor information in registry 2 TTPs 16 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1212
      • C:\Users\Admin\AppData\Local\Temp\a10a98c2278206fa1f4f5bffb2a5a243779b2d9e71a0a7c8c4a124ef33322ca8.exe
        "C:\Users\Admin\AppData\Local\Temp\a10a98c2278206fa1f4f5bffb2a5a243779b2d9e71a0a7c8c4a124ef33322ca8.exe"
        2⤵
        • Adds policy Run key to start application
        • Modifies Installed Components in the registry
        • Checks BIOS information in registry
        • Adds Run key to start application
        • Drops file in System32 directory
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:600
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe
          3⤵
          • Modifies Installed Components in the registry
          PID:1492
        • C:\Program Files\Internet Explorer\iexplore.exe
          "C:\Program Files\Internet Explorer\iexplore.exe"
          3⤵
            PID:964
          • C:\Users\Admin\AppData\Local\Temp\a10a98c2278206fa1f4f5bffb2a5a243779b2d9e71a0a7c8c4a124ef33322ca8.exe
            "C:\Users\Admin\AppData\Local\Temp\a10a98c2278206fa1f4f5bffb2a5a243779b2d9e71a0a7c8c4a124ef33322ca8.exe"
            3⤵
            • Loads dropped DLL
            • Drops file in System32 directory
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of AdjustPrivilegeToken
            PID:1360
            • C:\Windows\SysWOW64\install\server.exe
              "C:\Windows\system32\install\server.exe"
              4⤵
              • Executes dropped EXE
              • Checks BIOS information in registry
              • Checks processor information in registry
              • Enumerates system info in registry
              PID:1420
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 1420 -s 160
                5⤵
                • Loads dropped DLL
                • Program crash
                PID:1552
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 600 -s 160
            3⤵
            • Program crash
            PID:1792
      • C:\Windows\SysWOW64\DllHost.exe
        C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
        1⤵
        • Drops file in System32 directory
        • Suspicious use of FindShellTrayWindow
        PID:1344

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\XX--XX--XX.txt

        Filesize

        446KB

        MD5

        073158a39b6736aa09add65d9dd8f919

        SHA1

        d4efb4aa1d706eb0c18c0c9e0c16989d80f7df79

        SHA256

        cdc9bfa1840dfcbb8a784e5fc4bc0cc4c0ffc9af9fe6d9f991eca8b3a3da7b63

        SHA512

        1edeebf570dab115bf415f4d6ac66908ce3d014c956427b8e2ad7f9ef6b658021c42e8c17ecc15b79ba50ca31b1d6466438266baf392cd89f5dd4b18ef45ceaa

      • C:\Windows\SysWOW64\install\server.exe

        Filesize

        1009KB

        MD5

        b6c5e599872a6b86c8fbba1301d63f50

        SHA1

        1eed46990ec3b06598e9a192084d92b5243f0141

        SHA256

        a10a98c2278206fa1f4f5bffb2a5a243779b2d9e71a0a7c8c4a124ef33322ca8

        SHA512

        13532cd28443d69741d46bffc958ad412a5a9a57bce9adff29d9b6025cc65fbccc987a35a999b44c72db1ffb6640c681f57fef88ec71ec4a042c4c1873ee4840

      • C:\Windows\SysWOW64\install\server.exe

        Filesize

        1009KB

        MD5

        b6c5e599872a6b86c8fbba1301d63f50

        SHA1

        1eed46990ec3b06598e9a192084d92b5243f0141

        SHA256

        a10a98c2278206fa1f4f5bffb2a5a243779b2d9e71a0a7c8c4a124ef33322ca8

        SHA512

        13532cd28443d69741d46bffc958ad412a5a9a57bce9adff29d9b6025cc65fbccc987a35a999b44c72db1ffb6640c681f57fef88ec71ec4a042c4c1873ee4840

      • C:\Windows\SysWOW64\nua.jpg

        Filesize

        217KB

        MD5

        e7b076521a10ca57795da88633e2c8b1

        SHA1

        6dd36ed247915415cb378dc966855e22cfda8ea7

        SHA256

        16c007438342786f37e60eed126f08b8128ea4dfc5635abef9994e2c20847057

        SHA512

        9f4215a0bf9450d13c01909e70cf45945a62d070c2b38e3b45acc747750b40c7072a135976e75c2d4565f13115f4a0368890dfc296b0d7299c43eae4472b3bcf

      • \Windows\SysWOW64\install\server.exe

        Filesize

        1009KB

        MD5

        b6c5e599872a6b86c8fbba1301d63f50

        SHA1

        1eed46990ec3b06598e9a192084d92b5243f0141

        SHA256

        a10a98c2278206fa1f4f5bffb2a5a243779b2d9e71a0a7c8c4a124ef33322ca8

        SHA512

        13532cd28443d69741d46bffc958ad412a5a9a57bce9adff29d9b6025cc65fbccc987a35a999b44c72db1ffb6640c681f57fef88ec71ec4a042c4c1873ee4840

      • \Windows\SysWOW64\install\server.exe

        Filesize

        1009KB

        MD5

        b6c5e599872a6b86c8fbba1301d63f50

        SHA1

        1eed46990ec3b06598e9a192084d92b5243f0141

        SHA256

        a10a98c2278206fa1f4f5bffb2a5a243779b2d9e71a0a7c8c4a124ef33322ca8

        SHA512

        13532cd28443d69741d46bffc958ad412a5a9a57bce9adff29d9b6025cc65fbccc987a35a999b44c72db1ffb6640c681f57fef88ec71ec4a042c4c1873ee4840

      • \Windows\SysWOW64\install\server.exe

        Filesize

        1009KB

        MD5

        b6c5e599872a6b86c8fbba1301d63f50

        SHA1

        1eed46990ec3b06598e9a192084d92b5243f0141

        SHA256

        a10a98c2278206fa1f4f5bffb2a5a243779b2d9e71a0a7c8c4a124ef33322ca8

        SHA512

        13532cd28443d69741d46bffc958ad412a5a9a57bce9adff29d9b6025cc65fbccc987a35a999b44c72db1ffb6640c681f57fef88ec71ec4a042c4c1873ee4840

      • \Windows\SysWOW64\install\server.exe

        Filesize

        1009KB

        MD5

        b6c5e599872a6b86c8fbba1301d63f50

        SHA1

        1eed46990ec3b06598e9a192084d92b5243f0141

        SHA256

        a10a98c2278206fa1f4f5bffb2a5a243779b2d9e71a0a7c8c4a124ef33322ca8

        SHA512

        13532cd28443d69741d46bffc958ad412a5a9a57bce9adff29d9b6025cc65fbccc987a35a999b44c72db1ffb6640c681f57fef88ec71ec4a042c4c1873ee4840

      • \Windows\SysWOW64\install\server.exe

        Filesize

        1009KB

        MD5

        b6c5e599872a6b86c8fbba1301d63f50

        SHA1

        1eed46990ec3b06598e9a192084d92b5243f0141

        SHA256

        a10a98c2278206fa1f4f5bffb2a5a243779b2d9e71a0a7c8c4a124ef33322ca8

        SHA512

        13532cd28443d69741d46bffc958ad412a5a9a57bce9adff29d9b6025cc65fbccc987a35a999b44c72db1ffb6640c681f57fef88ec71ec4a042c4c1873ee4840

      • memory/600-86-0x00000000027F0000-0x0000000002973000-memory.dmp

        Filesize

        1.5MB

      • memory/600-58-0x0000000000400000-0x0000000000583000-memory.dmp

        Filesize

        1.5MB

      • memory/600-71-0x0000000024080000-0x00000000240E2000-memory.dmp

        Filesize

        392KB

      • memory/600-66-0x0000000000360000-0x0000000000398000-memory.dmp

        Filesize

        224KB

      • memory/600-65-0x0000000000400000-0x0000000000583000-memory.dmp

        Filesize

        1.5MB

      • memory/600-108-0x00000000027F0000-0x0000000002973000-memory.dmp

        Filesize

        1.5MB

      • memory/600-60-0x0000000024010000-0x0000000024072000-memory.dmp

        Filesize

        392KB

      • memory/600-81-0x00000000240F0000-0x0000000024152000-memory.dmp

        Filesize

        392KB

      • memory/600-55-0x0000000000400000-0x0000000000583000-memory.dmp

        Filesize

        1.5MB

      • memory/600-56-0x0000000000360000-0x0000000000398000-memory.dmp

        Filesize

        224KB

      • memory/600-57-0x0000000000360000-0x0000000000398000-memory.dmp

        Filesize

        224KB

      • memory/600-89-0x0000000024160000-0x00000000241C2000-memory.dmp

        Filesize

        392KB

      • memory/600-54-0x00000000753F1000-0x00000000753F3000-memory.dmp

        Filesize

        8KB

      • memory/1212-63-0x0000000024010000-0x0000000024072000-memory.dmp

        Filesize

        392KB

      • memory/1360-109-0x0000000024160000-0x00000000241C2000-memory.dmp

        Filesize

        392KB

      • memory/1360-87-0x0000000000400000-0x0000000000583000-memory.dmp

        Filesize

        1.5MB

      • memory/1360-110-0x00000000058B0000-0x0000000005A33000-memory.dmp

        Filesize

        1.5MB

      • memory/1360-101-0x0000000024160000-0x00000000241C2000-memory.dmp

        Filesize

        392KB

      • memory/1360-102-0x00000000058B0000-0x0000000005A33000-memory.dmp

        Filesize

        1.5MB

      • memory/1360-94-0x0000000024160000-0x00000000241C2000-memory.dmp

        Filesize

        392KB

      • memory/1420-103-0x0000000000400000-0x0000000000583000-memory.dmp

        Filesize

        1.5MB

      • memory/1420-107-0x0000000000400000-0x0000000000583000-memory.dmp

        Filesize

        1.5MB

      • memory/1420-106-0x00000000002F0000-0x0000000000328000-memory.dmp

        Filesize

        224KB

      • memory/1420-104-0x00000000002F0000-0x0000000000328000-memory.dmp

        Filesize

        224KB

      • memory/1420-111-0x0000000000400000-0x0000000000583000-memory.dmp

        Filesize

        1.5MB

      • memory/1492-70-0x0000000074511000-0x0000000074513000-memory.dmp

        Filesize

        8KB

      • memory/1492-79-0x0000000024080000-0x00000000240E2000-memory.dmp

        Filesize

        392KB

      • memory/1492-76-0x0000000024080000-0x00000000240E2000-memory.dmp

        Filesize

        392KB