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Analysis

  • max time kernel
    153s
  • max time network
    80s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29/10/2022, 16:09

General

  • Target

    4a9c11aa7da2f205df380467b00aa700ebd622d365f9b907c4bf3dd11dcb5cc4.exe

  • Size

    272KB

  • MD5

    84d36fef909327caec2419af0d183640

  • SHA1

    2839e7f5e0bc5320373cab5a0b69305cbcb059aa

  • SHA256

    4a9c11aa7da2f205df380467b00aa700ebd622d365f9b907c4bf3dd11dcb5cc4

  • SHA512

    32e412c85cea5c7c1e915f1243f83044bc8d3048c7e123028ed09afcfd9598b64f3bfe97c126018402645e2a2561118f8ed5712577906772483597e28d249552

  • SSDEEP

    3072:/4n9gmss0FvbVJznCRcz/hVFA9MSs/PLLj+Qm4U3YwgTeA3viF:QevbfznH7O9G/PLLxU3YwgTI

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\4a9c11aa7da2f205df380467b00aa700ebd622d365f9b907c4bf3dd11dcb5cc4.exe
    "C:\Users\Admin\AppData\Local\Temp\4a9c11aa7da2f205df380467b00aa700ebd622d365f9b907c4bf3dd11dcb5cc4.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:1932
    • C:\Users\Admin\giucez.exe
      "C:\Users\Admin\giucez.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:1988

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\giucez.exe

    Filesize

    272KB

    MD5

    84d36fef909327caec2419af0d183640

    SHA1

    2839e7f5e0bc5320373cab5a0b69305cbcb059aa

    SHA256

    4a9c11aa7da2f205df380467b00aa700ebd622d365f9b907c4bf3dd11dcb5cc4

    SHA512

    32e412c85cea5c7c1e915f1243f83044bc8d3048c7e123028ed09afcfd9598b64f3bfe97c126018402645e2a2561118f8ed5712577906772483597e28d249552

  • C:\Users\Admin\giucez.exe

    Filesize

    272KB

    MD5

    84d36fef909327caec2419af0d183640

    SHA1

    2839e7f5e0bc5320373cab5a0b69305cbcb059aa

    SHA256

    4a9c11aa7da2f205df380467b00aa700ebd622d365f9b907c4bf3dd11dcb5cc4

    SHA512

    32e412c85cea5c7c1e915f1243f83044bc8d3048c7e123028ed09afcfd9598b64f3bfe97c126018402645e2a2561118f8ed5712577906772483597e28d249552

  • \Users\Admin\giucez.exe

    Filesize

    272KB

    MD5

    84d36fef909327caec2419af0d183640

    SHA1

    2839e7f5e0bc5320373cab5a0b69305cbcb059aa

    SHA256

    4a9c11aa7da2f205df380467b00aa700ebd622d365f9b907c4bf3dd11dcb5cc4

    SHA512

    32e412c85cea5c7c1e915f1243f83044bc8d3048c7e123028ed09afcfd9598b64f3bfe97c126018402645e2a2561118f8ed5712577906772483597e28d249552

  • \Users\Admin\giucez.exe

    Filesize

    272KB

    MD5

    84d36fef909327caec2419af0d183640

    SHA1

    2839e7f5e0bc5320373cab5a0b69305cbcb059aa

    SHA256

    4a9c11aa7da2f205df380467b00aa700ebd622d365f9b907c4bf3dd11dcb5cc4

    SHA512

    32e412c85cea5c7c1e915f1243f83044bc8d3048c7e123028ed09afcfd9598b64f3bfe97c126018402645e2a2561118f8ed5712577906772483597e28d249552

  • memory/1932-56-0x0000000076831000-0x0000000076833000-memory.dmp

    Filesize

    8KB

  • memory/1932-65-0x0000000074C01000-0x0000000074C03000-memory.dmp

    Filesize

    8KB