Analysis

  • max time kernel
    143s
  • max time network
    174s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    13-08-2021 05:06

General

  • Target

    711486a1_qDA1LxC4yJ.exe

  • Size

    140KB

  • MD5

    711486a19e8b011528dee34a5d25776e

  • SHA1

    7e131940fce4d157d0a338b8285e8e2298e8677d

  • SHA256

    880823dd9df0ca6047cd829a1031e8a167ccec0629fdeac40a097dd555debf7c

  • SHA512

    9213dc1b1ab70e6672e6bef43a50125e7752de303ddbdbfc5b395f3b228363dd57c036befb21c83945207954575b90021af0d4e1f6872253c20475f3dbc4e894

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Disables Task Manager via registry modification
  • Drops desktop.ini file(s) 1 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\711486a1_qDA1LxC4yJ.exe
    "C:\Users\Admin\AppData\Local\Temp\711486a1_qDA1LxC4yJ.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Drops desktop.ini file(s)
    • Sets desktop wallpaper using registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:856
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 856 -s 700
      2⤵
      • Program crash
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:832

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/832-65-0x0000000000000000-mapping.dmp

  • memory/832-66-0x000007FEFB991000-0x000007FEFB993000-memory.dmp

    Filesize

    8KB

  • memory/832-67-0x0000000001C70000-0x0000000001C71000-memory.dmp

    Filesize

    4KB

  • memory/856-60-0x00000000013A0000-0x00000000013A1000-memory.dmp

    Filesize

    4KB

  • memory/856-62-0x0000000000400000-0x0000000000402000-memory.dmp

    Filesize

    8KB

  • memory/856-63-0x0000000000402000-0x0000000000403000-memory.dmp

    Filesize

    4KB

  • memory/856-64-0x0000000000407000-0x0000000000426000-memory.dmp

    Filesize

    124KB