Analysis

  • max time kernel
    150s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    07-11-2022 16:36

General

  • Target

    a2699b8300f329b517fa2a739b6b94ec18f393f7a5a38523be20f1d1bc54eef9.exe

  • Size

    60KB

  • MD5

    0eb15665fc26a21c7abf69fe1a19e3a2

  • SHA1

    961e507a6667bbcbc9cb00761def7438bb43f4e3

  • SHA256

    a2699b8300f329b517fa2a739b6b94ec18f393f7a5a38523be20f1d1bc54eef9

  • SHA512

    18105c27ec88e4afcc550f2374a687e7b00647216d9d610ab2c99f8f4cbe1059ab7858eba8a5e06249259b22936f7e4215cc2efd6849ca68cd55280c9ebf5fd2

  • SSDEEP

    768:AKJRk33zACV0EFmkUMQzDv//AH0FIkNc0FIkid+f9fLDLlKYn6rV4xkZtVspx6Wu:AKJV7PHbbSNtS0SIH0NMhsjWZUkHoV

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 50 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a2699b8300f329b517fa2a739b6b94ec18f393f7a5a38523be20f1d1bc54eef9.exe
    "C:\Users\Admin\AppData\Local\Temp\a2699b8300f329b517fa2a739b6b94ec18f393f7a5a38523be20f1d1bc54eef9.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1356
    • C:\Users\Admin\qiasoi.exe
      "C:\Users\Admin\qiasoi.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
      • Suspicious use of WriteProcessMemory
      PID:1752

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\qiasoi.exe

    Filesize

    60KB

    MD5

    95a4ea6ddc83580525faa8ee863e8b5b

    SHA1

    404288b3c78a9bc73d437755446bf47c5d2974c6

    SHA256

    4c9fec12661fead37ba216c9c3c3a12ed3f192eb7afbfb96fcd1e650d647cfb5

    SHA512

    5b8c40181def2e35d4682e0c304c871e81169bfebfbebb4472a2e2d36008759dc23e892c6da9348460e65c3d90e45157b04b9fef35781ee508ce641b34bb16d5

  • C:\Users\Admin\qiasoi.exe

    Filesize

    60KB

    MD5

    95a4ea6ddc83580525faa8ee863e8b5b

    SHA1

    404288b3c78a9bc73d437755446bf47c5d2974c6

    SHA256

    4c9fec12661fead37ba216c9c3c3a12ed3f192eb7afbfb96fcd1e650d647cfb5

    SHA512

    5b8c40181def2e35d4682e0c304c871e81169bfebfbebb4472a2e2d36008759dc23e892c6da9348460e65c3d90e45157b04b9fef35781ee508ce641b34bb16d5

  • \Users\Admin\qiasoi.exe

    Filesize

    60KB

    MD5

    95a4ea6ddc83580525faa8ee863e8b5b

    SHA1

    404288b3c78a9bc73d437755446bf47c5d2974c6

    SHA256

    4c9fec12661fead37ba216c9c3c3a12ed3f192eb7afbfb96fcd1e650d647cfb5

    SHA512

    5b8c40181def2e35d4682e0c304c871e81169bfebfbebb4472a2e2d36008759dc23e892c6da9348460e65c3d90e45157b04b9fef35781ee508ce641b34bb16d5

  • \Users\Admin\qiasoi.exe

    Filesize

    60KB

    MD5

    95a4ea6ddc83580525faa8ee863e8b5b

    SHA1

    404288b3c78a9bc73d437755446bf47c5d2974c6

    SHA256

    4c9fec12661fead37ba216c9c3c3a12ed3f192eb7afbfb96fcd1e650d647cfb5

    SHA512

    5b8c40181def2e35d4682e0c304c871e81169bfebfbebb4472a2e2d36008759dc23e892c6da9348460e65c3d90e45157b04b9fef35781ee508ce641b34bb16d5

  • memory/1356-56-0x0000000075BA1000-0x0000000075BA3000-memory.dmp

    Filesize

    8KB

  • memory/1752-59-0x0000000000000000-mapping.dmp