Analysis

  • max time kernel
    59s
  • max time network
    62s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    14-12-2020 12:28

General

  • Target

    a40d88a5070a97e4f06a43690aa418d9.exe

  • Size

    12.8MB

  • MD5

    a40d88a5070a97e4f06a43690aa418d9

  • SHA1

    be6907f2d45d06585fe4e2424b4cafd070123578

  • SHA256

    96c5502d4386af26fa5f2cd116bb088d8178ba7b5ba8ba1e6f3d859771c9ac70

  • SHA512

    36b7cebff974e7726fe3fbd475adbc48b7708fd7109e47f2ae748b50b0c55436ac91f2e28c47d01673ad2e35b7f60c8a5a8f1ca9ad9d63d72dea6bf89d92249b

Score
10/10

Malware Config

Signatures

  • xmrig

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

  • XMRig Miner Payload 4 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Drops autorun.inf file 1 TTPs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 1031 IoCs
  • Modifies Internet Explorer start page 1 TTPs 4 IoCs
  • Modifies system certificate store 2 TTPs 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a40d88a5070a97e4f06a43690aa418d9.exe
    "C:\Users\Admin\AppData\Local\Temp\a40d88a5070a97e4f06a43690aa418d9.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • Modifies Internet Explorer start page
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    PID:340

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Replication Through Removable Media

1
T1091

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Lateral Movement

Replication Through Removable Media

1
T1091

Command and Control

Web Service

1
T1102

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/340-2-0x0000000000400000-0x00000000010B2000-memory.dmp
    Filesize

    12.7MB

  • memory/340-3-0x0000000000400000-0x00000000010B2000-memory.dmp
    Filesize

    12.7MB

  • memory/340-4-0x0000000000400000-0x00000000010B2000-memory.dmp
    Filesize

    12.7MB

  • memory/340-5-0x0000000000400000-0x00000000010B2000-memory.dmp
    Filesize

    12.7MB

  • memory/340-6-0x00000000002C0000-0x00000000002D0000-memory.dmp
    Filesize

    64KB

  • memory/340-7-0x00000000002D0000-0x00000000002F0000-memory.dmp
    Filesize

    128KB

  • memory/340-8-0x0000000000351000-0x0000000000353000-memory.dmp
    Filesize

    8KB