Analysis

  • max time kernel
    151s
  • max time network
    103s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    03-12-2022 01:32

General

  • Target

    911ba7c1f233d63372985660acd8efdd19bf8de0d1d53020e8e6436df2fd41ed.exe

  • Size

    159KB

  • MD5

    147de5395a3a08d007ab122d380aea50

  • SHA1

    0ac2316c1df5a800413211f26f23462c6bd58e1c

  • SHA256

    911ba7c1f233d63372985660acd8efdd19bf8de0d1d53020e8e6436df2fd41ed

  • SHA512

    308a5c83ac9a27e28fe35a74dc1f379093e83f7ab3d4090c599d079421f71cb0285e7126db7f35b03914f71ca8f43edc922654c3405cfa98cbb2cc8eedbed92a

  • SSDEEP

    3072:iJUc+0h1L5y+TfQ41Gc3yKq0VNwnv4dmvor6mFH:1c+M1L5Tmc3Q2q4dWmp

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 29 IoCs
  • Maps connected drives based on registry 3 TTPs 4 IoCs

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

  • Drops autorun.inf file 1 TTPs 1 IoCs

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

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\911ba7c1f233d63372985660acd8efdd19bf8de0d1d53020e8e6436df2fd41ed.exe
    "C:\Users\Admin\AppData\Local\Temp\911ba7c1f233d63372985660acd8efdd19bf8de0d1d53020e8e6436df2fd41ed.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1120
    • C:\Users\Admin\AppData\Local\Temp\911ba7c1f233d63372985660acd8efdd19bf8de0d1d53020e8e6436df2fd41ed.exe
      72
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Loads dropped DLL
      • Adds Run key to start application
      • Maps connected drives based on registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2028
      • C:\Users\Admin\suiec.exe
        "C:\Users\Admin\suiec.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1656
        • C:\Users\Admin\suiec.exe
          72
          4⤵
          • Modifies visiblity of hidden/system files in Explorer
          • Executes dropped EXE
          • Adds Run key to start application
          • Maps connected drives based on registry
          • Drops autorun.inf file
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          PID:1732

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\suiec.exe

    Filesize

    159KB

    MD5

    147de5395a3a08d007ab122d380aea50

    SHA1

    0ac2316c1df5a800413211f26f23462c6bd58e1c

    SHA256

    911ba7c1f233d63372985660acd8efdd19bf8de0d1d53020e8e6436df2fd41ed

    SHA512

    308a5c83ac9a27e28fe35a74dc1f379093e83f7ab3d4090c599d079421f71cb0285e7126db7f35b03914f71ca8f43edc922654c3405cfa98cbb2cc8eedbed92a

  • C:\Users\Admin\suiec.exe

    Filesize

    159KB

    MD5

    147de5395a3a08d007ab122d380aea50

    SHA1

    0ac2316c1df5a800413211f26f23462c6bd58e1c

    SHA256

    911ba7c1f233d63372985660acd8efdd19bf8de0d1d53020e8e6436df2fd41ed

    SHA512

    308a5c83ac9a27e28fe35a74dc1f379093e83f7ab3d4090c599d079421f71cb0285e7126db7f35b03914f71ca8f43edc922654c3405cfa98cbb2cc8eedbed92a

  • C:\Users\Admin\suiec.exe

    Filesize

    159KB

    MD5

    147de5395a3a08d007ab122d380aea50

    SHA1

    0ac2316c1df5a800413211f26f23462c6bd58e1c

    SHA256

    911ba7c1f233d63372985660acd8efdd19bf8de0d1d53020e8e6436df2fd41ed

    SHA512

    308a5c83ac9a27e28fe35a74dc1f379093e83f7ab3d4090c599d079421f71cb0285e7126db7f35b03914f71ca8f43edc922654c3405cfa98cbb2cc8eedbed92a

  • \Users\Admin\suiec.exe

    Filesize

    159KB

    MD5

    147de5395a3a08d007ab122d380aea50

    SHA1

    0ac2316c1df5a800413211f26f23462c6bd58e1c

    SHA256

    911ba7c1f233d63372985660acd8efdd19bf8de0d1d53020e8e6436df2fd41ed

    SHA512

    308a5c83ac9a27e28fe35a74dc1f379093e83f7ab3d4090c599d079421f71cb0285e7126db7f35b03914f71ca8f43edc922654c3405cfa98cbb2cc8eedbed92a

  • \Users\Admin\suiec.exe

    Filesize

    159KB

    MD5

    147de5395a3a08d007ab122d380aea50

    SHA1

    0ac2316c1df5a800413211f26f23462c6bd58e1c

    SHA256

    911ba7c1f233d63372985660acd8efdd19bf8de0d1d53020e8e6436df2fd41ed

    SHA512

    308a5c83ac9a27e28fe35a74dc1f379093e83f7ab3d4090c599d079421f71cb0285e7126db7f35b03914f71ca8f43edc922654c3405cfa98cbb2cc8eedbed92a

  • memory/1732-78-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/1732-81-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/2028-63-0x0000000075DF1000-0x0000000075DF3000-memory.dmp

    Filesize

    8KB

  • memory/2028-56-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/2028-62-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/2028-59-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/2028-80-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB