Analysis

  • max time kernel
    174s
  • max time network
    190s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29-11-2022 01:57

General

  • Target

    95135056599933fb8efe83a10ce5ac0ff79a6c3442a34610e6c96c913ea111f9.exe

  • Size

    190KB

  • MD5

    b38e43486d01a84cccde5e4e1239f86e

  • SHA1

    1dba2bb6e1157963d8f8846cddb7b6eac8e17ac5

  • SHA256

    95135056599933fb8efe83a10ce5ac0ff79a6c3442a34610e6c96c913ea111f9

  • SHA512

    3ad8c288a12103a1f19abe607dd427efa0be86b70c4df92db3a9fc564135f882869e0b3574d21a23c9994dc21a5be3719daa85c2a636b097b938c0a207946ec6

  • SSDEEP

    3072:zfetsEYRfmnCgiKPkDtkFhqmFyzqjLRu3fa2oumGA+DumCp0+TiVHKvrRl9uw4:bekROyD2FUmUqifa9ZEum20+qKvEb

Score
5/10

Malware Config

Signatures

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies Internet Explorer settings 1 TTPs 34 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\95135056599933fb8efe83a10ce5ac0ff79a6c3442a34610e6c96c913ea111f9.exe
    "C:\Users\Admin\AppData\Local\Temp\95135056599933fb8efe83a10ce5ac0ff79a6c3442a34610e6c96c913ea111f9.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1536
    • C:\Users\Admin\AppData\Local\Temp\95135056599933fb8efe83a10ce5ac0ff79a6c3442a34610e6c96c913ea111f9.exe
      C:\Users\Admin\AppData\Local\Temp\95135056599933fb8efe83a10ce5ac0ff79a6c3442a34610e6c96c913ea111f9.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2040
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe" http://go.microsoft.com/fwlink/?prd=11324&pver=4.5&sbp=AppLaunch2&plcid=0x409&o1=SHIM_NOVERSION_FOUND&version=(null)&processName=95135056599933fb8efe83a10ce5ac0ff79a6c3442a34610e6c96c913ea111f9.exe&platform=0009&osver=5&isServer=0&shimver=4.0.30319.0
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:972
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:972 CREDAT:275457 /prefetch:2
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:1836

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\BZU0ZIIU.txt
    Filesize

    608B

    MD5

    ac563bed3a2c9e7df8b36eee9de85f2c

    SHA1

    60514d169191d181bf102945232b5a8c99d685d7

    SHA256

    3bd6ed48e0f5cc42c1f495b3037c968c23a7741b2bb9b7ec2861807859810066

    SHA512

    8338a0cd144600e48e52d8acb63c1d5bd6962c841995af4d06c0faccc6af08ac9007f28abf807b0e5316cf1ddbd3d3c36bdd54eda842af8054b550467bc402b8

  • memory/1536-62-0x0000000000400000-0x00000000004F2000-memory.dmp
    Filesize

    968KB

  • memory/2040-56-0x000000007A590000-0x000000007A5B0000-memory.dmp
    Filesize

    128KB

  • memory/2040-57-0x000000007A59C03E-mapping.dmp
  • memory/2040-59-0x000000007A590000-0x000000007A5B0000-memory.dmp
    Filesize

    128KB

  • memory/2040-61-0x000000007A590000-0x000000007A5B0000-memory.dmp
    Filesize

    128KB

  • memory/2040-63-0x0000000000400000-0x00000000004F2000-memory.dmp
    Filesize

    968KB

  • memory/2040-64-0x0000000075131000-0x0000000075133000-memory.dmp
    Filesize

    8KB