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Analysis

  • max time kernel
    152s
  • max time network
    80s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    02/10/2022, 00:37

General

  • Target

    c9a23374473a464d9008c9e9a0006faaa4c9d09e22f2e472935d32c4d95ee9d1.exe

  • Size

    228KB

  • MD5

    64f71d48982c65a907dc40199cf1557a

  • SHA1

    7ec5ac5ff1caf8d3b1f7a348c069353aad41dcd6

  • SHA256

    c9a23374473a464d9008c9e9a0006faaa4c9d09e22f2e472935d32c4d95ee9d1

  • SHA512

    aa2fca0d979ae3bac8f7beec2ebc89709ef5b7906eaaa622c5528565e7e6afd5ad57a0914e7ad4d39ce87719db0fbdb23d9a8ef6442d53f5e90a34972afb68d7

  • SSDEEP

    3072:6gEty/i5UYJVFV5eDQHsuvNA05Vqtto24VmcZMUuXi46qndrAxIbYpWv:oy+3JrLeDQHr+uV0to24VmlUuSvqdl

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 54 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 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c9a23374473a464d9008c9e9a0006faaa4c9d09e22f2e472935d32c4d95ee9d1.exe
    "C:\Users\Admin\AppData\Local\Temp\c9a23374473a464d9008c9e9a0006faaa4c9d09e22f2e472935d32c4d95ee9d1.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1928
    • C:\Users\Admin\mzral.exe
      "C:\Users\Admin\mzral.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1316

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\mzral.exe

    Filesize

    228KB

    MD5

    1daca7fdfb547322ca3f1e77341822b4

    SHA1

    f78c751fe6633d9264375b544637aaa7814eaa69

    SHA256

    f94d4f32ffc26342dcc9f5040504b4fb3861a807d6891cf471663c2b4118c1ea

    SHA512

    7e3956a166fcc4afe11fd3b45c867a7c70a2840f5daa0dda3b7659ae125b12398431f80fc22098494cce548a8e4355c5ab27efef8a92981b69792d7d4e9dbdf6

  • C:\Users\Admin\mzral.exe

    Filesize

    228KB

    MD5

    1daca7fdfb547322ca3f1e77341822b4

    SHA1

    f78c751fe6633d9264375b544637aaa7814eaa69

    SHA256

    f94d4f32ffc26342dcc9f5040504b4fb3861a807d6891cf471663c2b4118c1ea

    SHA512

    7e3956a166fcc4afe11fd3b45c867a7c70a2840f5daa0dda3b7659ae125b12398431f80fc22098494cce548a8e4355c5ab27efef8a92981b69792d7d4e9dbdf6

  • \Users\Admin\mzral.exe

    Filesize

    228KB

    MD5

    1daca7fdfb547322ca3f1e77341822b4

    SHA1

    f78c751fe6633d9264375b544637aaa7814eaa69

    SHA256

    f94d4f32ffc26342dcc9f5040504b4fb3861a807d6891cf471663c2b4118c1ea

    SHA512

    7e3956a166fcc4afe11fd3b45c867a7c70a2840f5daa0dda3b7659ae125b12398431f80fc22098494cce548a8e4355c5ab27efef8a92981b69792d7d4e9dbdf6

  • \Users\Admin\mzral.exe

    Filesize

    228KB

    MD5

    1daca7fdfb547322ca3f1e77341822b4

    SHA1

    f78c751fe6633d9264375b544637aaa7814eaa69

    SHA256

    f94d4f32ffc26342dcc9f5040504b4fb3861a807d6891cf471663c2b4118c1ea

    SHA512

    7e3956a166fcc4afe11fd3b45c867a7c70a2840f5daa0dda3b7659ae125b12398431f80fc22098494cce548a8e4355c5ab27efef8a92981b69792d7d4e9dbdf6

  • memory/1316-67-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/1316-70-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/1928-56-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/1928-57-0x00000000762B1000-0x00000000762B3000-memory.dmp

    Filesize

    8KB

  • memory/1928-65-0x0000000002D10000-0x0000000002D4A000-memory.dmp

    Filesize

    232KB

  • memory/1928-66-0x0000000002D10000-0x0000000002D4A000-memory.dmp

    Filesize

    232KB

  • memory/1928-69-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB