Analysis

  • max time kernel
    59s
  • max time network
    111s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    14-12-2020 13:28

General

  • Target

    06eda85cf0319860d666a1ffd8ba4644.exe

  • Size

    6.5MB

  • MD5

    06eda85cf0319860d666a1ffd8ba4644

  • SHA1

    3191ed97bd56d7d87142735cc3e3150fd3c4a59c

  • SHA256

    90596282ec726430667bf8eb1f8284e68b047028a0e6cae82cf9499241838856

  • SHA512

    ea717fbe5e080c875444fc92c0c0aad45bbd36ad1f176ca395827dad8606f10b141f50276c8c3db5606342b2be8a5fa13669ff3b3d128f8726a1148e70a1bc33

Malware Config

Signatures

  • xmrig

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

  • XMRig Miner Payload 2 IoCs
  • UPX packed file 105 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 1519 IoCs
  • Program crash 1 IoCs
  • Modifies Internet Explorer start page 1 TTPs 1 IoCs
  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\06eda85cf0319860d666a1ffd8ba4644.exe
    "C:\Users\Admin\AppData\Local\Temp\06eda85cf0319860d666a1ffd8ba4644.exe"
    1⤵
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Modifies Internet Explorer start page
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    PID:3980
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 3980 -s 1736
      2⤵
      • Program crash
      PID:1120

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

3
T1112

Install Root Certificate

1
T1130

Command and Control

Web Service

1
T1102

Replay Monitor

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Downloads

  • memory/3980-2-0x0000000000400000-0x00000000010B6000-memory.dmp
    Filesize

    12.7MB

  • memory/3980-3-0x0000000000400000-0x00000000010B6000-memory.dmp
    Filesize

    12.7MB

  • memory/3980-6-0x0000000000180000-0x0000000000182000-memory.dmp
    Filesize

    8KB

  • memory/3980-7-0x0000000000190000-0x00000000001D0000-memory.dmp
    Filesize

    256KB

  • memory/3980-8-0x00000000001D0000-0x00000000001F2000-memory.dmp
    Filesize

    136KB