Analysis

  • max time kernel
    127s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 15:35

General

  • Target

    f5792a1e552b8fa711e026fa29f7f9bffd14035794ad4875587450eb73adb159.exe

  • Size

    124KB

  • MD5

    3b584c07ce126d6d90116fccfe1ceb6d

  • SHA1

    68d20a1fe87c70b33c59ec91108c05ddaeb5f937

  • SHA256

    f5792a1e552b8fa711e026fa29f7f9bffd14035794ad4875587450eb73adb159

  • SHA512

    6d12e56f1f46ef9e510c72a5271b0ed54a528af3adb1c4e7cb9d1c63a1ea49b6f4673fa1a25932d93a5f62b684024e6e5964218366f478c137774ae089725ee6

  • SSDEEP

    3072:md52aquKA0xK+nY4ZL/zwgyrtai0/8tPFFxr8o5Sro5Djg9Jph2OQw17:e5fqo0oEfL/QDjg9Jph2OQq

Malware Config

Signatures

  • NetWire RAT payload 2 IoCs
  • Netwire

    Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.

  • Executes dropped EXE 2 IoCs
  • Modifies Installed Components in the registry 2 TTPs 2 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • 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 use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f5792a1e552b8fa711e026fa29f7f9bffd14035794ad4875587450eb73adb159.exe
    "C:\Users\Admin\AppData\Local\Temp\f5792a1e552b8fa711e026fa29f7f9bffd14035794ad4875587450eb73adb159.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1448
    • C:\Users\Admin\AppData\Local\Temp\f5792a1e552b8fa711e026fa29f7f9bffd14035794ad4875587450eb73adb159.exe
      "C:\Users\Admin\AppData\Local\Temp\f5792a1e552b8fa711e026fa29f7f9bffd14035794ad4875587450eb73adb159.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1120
      • C:\Users\Admin\AppData\Roaming\Install\alg.exe
        "C:\Users\Admin\AppData\Roaming\Install\alg.exe" -m C:\Users\Admin\AppData\Local\Temp\f5792a1e552b8fa711e026fa29f7f9bffd14035794ad4875587450eb73adb159.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1532
        • C:\Users\Admin\AppData\Roaming\Install\alg.exe
          "C:\Users\Admin\AppData\Roaming\Install\alg.exe" -m C:\Users\Admin\AppData\Local\Temp\f5792a1e552b8fa711e026fa29f7f9bffd14035794ad4875587450eb73adb159.exe
          4⤵
          • Executes dropped EXE
          • Modifies Installed Components in the registry
          • Deletes itself
          • Adds Run key to start application
          PID:1132

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Install\alg.exe

    Filesize

    124KB

    MD5

    3b584c07ce126d6d90116fccfe1ceb6d

    SHA1

    68d20a1fe87c70b33c59ec91108c05ddaeb5f937

    SHA256

    f5792a1e552b8fa711e026fa29f7f9bffd14035794ad4875587450eb73adb159

    SHA512

    6d12e56f1f46ef9e510c72a5271b0ed54a528af3adb1c4e7cb9d1c63a1ea49b6f4673fa1a25932d93a5f62b684024e6e5964218366f478c137774ae089725ee6

  • C:\Users\Admin\AppData\Roaming\Install\alg.exe

    Filesize

    124KB

    MD5

    3b584c07ce126d6d90116fccfe1ceb6d

    SHA1

    68d20a1fe87c70b33c59ec91108c05ddaeb5f937

    SHA256

    f5792a1e552b8fa711e026fa29f7f9bffd14035794ad4875587450eb73adb159

    SHA512

    6d12e56f1f46ef9e510c72a5271b0ed54a528af3adb1c4e7cb9d1c63a1ea49b6f4673fa1a25932d93a5f62b684024e6e5964218366f478c137774ae089725ee6

  • C:\Users\Admin\AppData\Roaming\Install\alg.exe

    Filesize

    124KB

    MD5

    3b584c07ce126d6d90116fccfe1ceb6d

    SHA1

    68d20a1fe87c70b33c59ec91108c05ddaeb5f937

    SHA256

    f5792a1e552b8fa711e026fa29f7f9bffd14035794ad4875587450eb73adb159

    SHA512

    6d12e56f1f46ef9e510c72a5271b0ed54a528af3adb1c4e7cb9d1c63a1ea49b6f4673fa1a25932d93a5f62b684024e6e5964218366f478c137774ae089725ee6

  • \Users\Admin\AppData\Roaming\Install\alg.exe

    Filesize

    124KB

    MD5

    3b584c07ce126d6d90116fccfe1ceb6d

    SHA1

    68d20a1fe87c70b33c59ec91108c05ddaeb5f937

    SHA256

    f5792a1e552b8fa711e026fa29f7f9bffd14035794ad4875587450eb73adb159

    SHA512

    6d12e56f1f46ef9e510c72a5271b0ed54a528af3adb1c4e7cb9d1c63a1ea49b6f4673fa1a25932d93a5f62b684024e6e5964218366f478c137774ae089725ee6

  • \Users\Admin\AppData\Roaming\Install\alg.exe

    Filesize

    124KB

    MD5

    3b584c07ce126d6d90116fccfe1ceb6d

    SHA1

    68d20a1fe87c70b33c59ec91108c05ddaeb5f937

    SHA256

    f5792a1e552b8fa711e026fa29f7f9bffd14035794ad4875587450eb73adb159

    SHA512

    6d12e56f1f46ef9e510c72a5271b0ed54a528af3adb1c4e7cb9d1c63a1ea49b6f4673fa1a25932d93a5f62b684024e6e5964218366f478c137774ae089725ee6

  • memory/1120-60-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/1120-65-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/1120-56-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/1120-59-0x00000000758B1000-0x00000000758B3000-memory.dmp

    Filesize

    8KB

  • memory/1120-57-0x0000000000401F8F-mapping.dmp

  • memory/1132-70-0x0000000000401F8F-mapping.dmp

  • memory/1132-75-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/1532-63-0x0000000000000000-mapping.dmp