Analysis

  • max time kernel
    64s
  • max time network
    111s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    14-12-2020 14:01

General

  • Target

    256667463ddbf8d6d59bbc05619b0241.exe

  • Size

    6.1MB

  • MD5

    256667463ddbf8d6d59bbc05619b0241

  • SHA1

    cc6e6d66bd39da08ed6f82914c2bb2b226514a3f

  • SHA256

    d16b3fe28e7f644817a19a1eaa31c6256d8c95e94143f6b782b53568b73508db

  • SHA512

    9cb7a133b8467200fdb92323e8c8550cf1a04d8964ed000669965b9822c5822b17330bf3e34bedac6abe08b5f4c8af4ed5e70331b52a979835a026b32a503992

Score
10/10

Malware Config

Signatures

  • xmrig

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

  • XMRig Miner Payload 2 IoCs
  • UPX packed file 106 IoCs

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

  • Drops desktop.ini file(s) 2 IoCs
  • Drops autorun.inf file 1 TTPs

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

  • Drops file in Program Files directory 1759 IoCs
  • Program crash 1 IoCs
  • Modifies Internet Explorer start page 1 TTPs 4 IoCs
  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\256667463ddbf8d6d59bbc05619b0241.exe
    "C:\Users\Admin\AppData\Local\Temp\256667463ddbf8d6d59bbc05619b0241.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:4772
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 4772 -s 1904
      2⤵
      • Program crash
      PID:1396

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

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4772-2-0x0000000000400000-0x00000000010B6000-memory.dmp
    Filesize

    12.7MB

  • memory/4772-3-0x0000000000400000-0x00000000010B6000-memory.dmp
    Filesize

    12.7MB

  • memory/4772-6-0x0000000000180000-0x00000000001C0000-memory.dmp
    Filesize

    256KB

  • memory/4772-7-0x00000000001C0000-0x00000000001D0000-memory.dmp
    Filesize

    64KB

  • memory/4772-8-0x00000000001D0000-0x00000000001D2000-memory.dmp
    Filesize

    8KB

  • memory/4772-9-0x00000000001E0000-0x00000000001F0000-memory.dmp
    Filesize

    64KB

  • memory/4772-10-0x00000000001F0000-0x0000000000200000-memory.dmp
    Filesize

    64KB