Analysis

  • max time kernel
    58s
  • max time network
    117s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    14-12-2020 13:23

General

  • Target

    022dfc7c68260ff81d8913f18f06a68b.exe

  • Size

    6.4MB

  • MD5

    022dfc7c68260ff81d8913f18f06a68b

  • SHA1

    ce8ce79e0c923e22e7920a094934cde717016c1f

  • SHA256

    e458ed5cbe2292794b5a71907c6c5a1d133f5b46b8388f600732f60c84fad9ce

  • SHA512

    84bd56ae593e1fc7b2b164acbf74a69405e3313ad6f7109af0d2bf2e461c1b16c1bd203c04d7eb7c192afd50328e5fdacd34758708ae671cb0e0456adcf67717

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
  • 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 1697 IoCs
  • Program crash 1 IoCs
  • Modifies Internet Explorer start page 1 TTPs 4 IoCs
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\022dfc7c68260ff81d8913f18f06a68b.exe
    "C:\Users\Admin\AppData\Local\Temp\022dfc7c68260ff81d8913f18f06a68b.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:4768
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 4768 -s 584
      2⤵
      • Program crash
      PID:4568

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

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Downloads

  • memory/4768-2-0x0000000000400000-0x00000000010B6000-memory.dmp
    Filesize

    12.7MB

  • memory/4768-3-0x0000000000400000-0x00000000010B6000-memory.dmp
    Filesize

    12.7MB

  • memory/4768-6-0x0000000000180000-0x00000000001C0000-memory.dmp
    Filesize

    256KB

  • memory/4768-7-0x00000000001C0000-0x00000000001E2000-memory.dmp
    Filesize

    136KB

  • memory/4768-8-0x00000000001F0000-0x0000000000200000-memory.dmp
    Filesize

    64KB