Analysis

  • max time kernel
    9s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    13-08-2021 08:36

General

  • Target

    qYyARs.bin.exe

  • Size

    15KB

  • MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

  • SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

  • SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

  • SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\qYyARs.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\qYyARs.bin.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:1036
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\114b2196.bat" "
      2⤵
      • Deletes itself
      PID:1580

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\114b2196.bat
    MD5

    7e3e0526d3490b9e61a7f4915c4f9498

    SHA1

    cee3bcce948f1d7137ced60274aa23254c87206d

    SHA256

    3bc7acc703d694fdd1c5ce3d0fd938802cf1f7f512a5621b954502ddfa9c5aef

    SHA512

    4c67c9687dda88db39e7190e332dd6e8bdcf760fc56fecf9750b1c1cbff246505e5aaa80e85098c4db41f86671cbf69ae12d3b99219760a4f47ebb9e67eec3d3

  • memory/1036-59-0x0000000075051000-0x0000000075053000-memory.dmp
    Filesize

    8KB

  • memory/1580-60-0x0000000000000000-mapping.dmp