Analysis

  • max time kernel
    6s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    15-05-2021 12:46

General

  • Target

    5271e4160fe28699c14c73b94c8dd9cf8efa4eba6a8a78a9cc8ee305589d14e0.exe

  • Size

    37KB

  • MD5

    c933104538712c82e3a1c7a625f77aaf

  • SHA1

    8bf8db1c25354817ce1ebbd5a6648b4f42f806ae

  • SHA256

    5271e4160fe28699c14c73b94c8dd9cf8efa4eba6a8a78a9cc8ee305589d14e0

  • SHA512

    7ce137561f337314a5ccb1cbf935cca6a44c99b0990f98ccd1a15a85262b77e21ef49c1996841466801cd791e92e366430de8f6873efb82c3ce7fa6af757db95

Malware Config

Signatures

  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 3 IoCs
  • Drops file in Windows directory 2 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5271e4160fe28699c14c73b94c8dd9cf8efa4eba6a8a78a9cc8ee305589d14e0.exe
    "C:\Users\Admin\AppData\Local\Temp\5271e4160fe28699c14c73b94c8dd9cf8efa4eba6a8a78a9cc8ee305589d14e0.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:540
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 540 -s 176
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1988

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/540-61-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1988-60-0x0000000000000000-mapping.dmp

  • memory/1988-62-0x0000000000660000-0x0000000000661000-memory.dmp

    Filesize

    4KB