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Analysis

  • max time kernel
    150s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    03/10/2022, 02:52

General

  • Target

    28e60847be02e79b110b89e6892481bffdd8e37f3ca0ce7ff3e8675cac5da1ab.exe

  • Size

    80KB

  • MD5

    6669cf1f04ddc6dbf9f9b8bd3ab3669c

  • SHA1

    0a22427168da5665184bfd2c845db79187f022fa

  • SHA256

    28e60847be02e79b110b89e6892481bffdd8e37f3ca0ce7ff3e8675cac5da1ab

  • SHA512

    4451e0e5992c2084ff3d34750817ca30150c95d22c3feff309dabef584df0b84ec34ef122c0a1942ed8ec14ffa641b491468ffa9f0c56168a759091e5d5e2951

  • SSDEEP

    1536:67ikBEbn5tPSxXmeCC9bCoCMBlAwNocTzFJ0T72Vp1R:cE2Bl5BTzFJ0T72ZR

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 29 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\28e60847be02e79b110b89e6892481bffdd8e37f3ca0ce7ff3e8675cac5da1ab.exe
    "C:\Users\Admin\AppData\Local\Temp\28e60847be02e79b110b89e6892481bffdd8e37f3ca0ce7ff3e8675cac5da1ab.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:112
    • C:\Users\Admin\peiaxi.exe
      "C:\Users\Admin\peiaxi.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:1292

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\peiaxi.exe

    Filesize

    80KB

    MD5

    69c9140eb3d9708d84290056d4a8d0d7

    SHA1

    e5f873b671751ff5b29b738eefff7eb9dd809910

    SHA256

    906aefc6d9160739fcf832c0a2fc2b695b5e0f442033f78602d21dcda566367f

    SHA512

    80cfa8e4dc78909f48ab0a047afe8d4340518d8b7632392dc2b536c3b2331daf7f04313c495d3728a5449a06898c0269a49edda62bdba47cc525d9056c084ec5

  • C:\Users\Admin\peiaxi.exe

    Filesize

    80KB

    MD5

    69c9140eb3d9708d84290056d4a8d0d7

    SHA1

    e5f873b671751ff5b29b738eefff7eb9dd809910

    SHA256

    906aefc6d9160739fcf832c0a2fc2b695b5e0f442033f78602d21dcda566367f

    SHA512

    80cfa8e4dc78909f48ab0a047afe8d4340518d8b7632392dc2b536c3b2331daf7f04313c495d3728a5449a06898c0269a49edda62bdba47cc525d9056c084ec5

  • \Users\Admin\peiaxi.exe

    Filesize

    80KB

    MD5

    69c9140eb3d9708d84290056d4a8d0d7

    SHA1

    e5f873b671751ff5b29b738eefff7eb9dd809910

    SHA256

    906aefc6d9160739fcf832c0a2fc2b695b5e0f442033f78602d21dcda566367f

    SHA512

    80cfa8e4dc78909f48ab0a047afe8d4340518d8b7632392dc2b536c3b2331daf7f04313c495d3728a5449a06898c0269a49edda62bdba47cc525d9056c084ec5

  • \Users\Admin\peiaxi.exe

    Filesize

    80KB

    MD5

    69c9140eb3d9708d84290056d4a8d0d7

    SHA1

    e5f873b671751ff5b29b738eefff7eb9dd809910

    SHA256

    906aefc6d9160739fcf832c0a2fc2b695b5e0f442033f78602d21dcda566367f

    SHA512

    80cfa8e4dc78909f48ab0a047afe8d4340518d8b7632392dc2b536c3b2331daf7f04313c495d3728a5449a06898c0269a49edda62bdba47cc525d9056c084ec5

  • memory/112-56-0x0000000074C11000-0x0000000074C13000-memory.dmp

    Filesize

    8KB