Analysis

  • max time kernel
    113s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    12-07-2020 08:09

General

  • Target

    acrord32.dll

  • Size

    364KB

  • MD5

    6060f7dc35c4d43728d5ca5286327c01

  • SHA1

    35ff54838cb6db9a1829d110d2a6b47001648f17

  • SHA256

    8a07c265a20279d4b60da2cc26f2bb041730c90c6d3eca64a8dd9f4a032d85d3

  • SHA512

    4898e9afb3858fa1f3eb493ea4d6eb6b3f9701aafceb7ed70aa71ec170fc06530bcbe6e1058547e0473d40630fa85484a37a9aadd143e575144948764ba089b3

Score
8/10

Malware Config

Signatures

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Blacklisted process makes network request 1 IoCs
  • Program crash 1 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\acrord32.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:740
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\acrord32.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      • Blacklisted process makes network request
      PID:1116
      • C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
        "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\DOC-2020-05-15T092742.441.pdf"
        3⤵
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        PID:1060
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1116 -s 1012
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious behavior: EnumeratesProcesses
        • Program crash
        PID:1932

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\DOC-2020-05-15T092742.441.pdf
  • memory/1060-1-0x0000000000000000-mapping.dmp
  • memory/1116-12-0x0000000000000000-mapping.dmp
  • memory/1116-9-0x0000000000000000-mapping.dmp
  • memory/1116-15-0x0000000000000000-mapping.dmp
  • memory/1116-5-0x0000000000000000-mapping.dmp
  • memory/1116-6-0x0000000000000000-mapping.dmp
  • memory/1116-7-0x0000000000000000-mapping.dmp
  • memory/1116-8-0x0000000000000000-mapping.dmp
  • memory/1116-14-0x0000000000000000-mapping.dmp
  • memory/1116-10-0x0000000000000000-mapping.dmp
  • memory/1116-11-0x0000000000000000-mapping.dmp
  • memory/1116-0-0x0000000000000000-mapping.dmp
  • memory/1116-13-0x0000000000000000-mapping.dmp
  • memory/1932-3-0x0000000000000000-mapping.dmp
  • memory/1932-4-0x00000000021B0000-0x00000000021C1000-memory.dmp
    Filesize

    68KB

  • memory/1932-16-0x0000000002840000-0x0000000002851000-memory.dmp
    Filesize

    68KB