Analysis

  • max time kernel
    61s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    14-12-2020 14:26

General

  • Target

    44b96558fe90d7e3c1a8201bcfe0d585.exe

  • Size

    6.1MB

  • MD5

    44b96558fe90d7e3c1a8201bcfe0d585

  • SHA1

    115723a4f7e48b934f10cceb3bd64956ef378042

  • SHA256

    3f01646754d950e5cf3e901519365123608abb2a93e9bf24aced47b5df70852a

  • SHA512

    526f4bf9f347d3914f4a4439be7a82a82f0d2d15350be0fdff979505e6cd1f828e322ecd2e3828c0ca5bb6a5281a462d0743f8e37120a9c6b64ef49e5c4fcfea

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 file in Program Files directory 1552 IoCs
  • Program crash 1 IoCs
  • Modifies Internet Explorer start page 1 TTPs 3 IoCs
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\44b96558fe90d7e3c1a8201bcfe0d585.exe
    "C:\Users\Admin\AppData\Local\Temp\44b96558fe90d7e3c1a8201bcfe0d585.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:4644
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 4644 -s 1424
      2⤵
      • Program crash
      PID:1764

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Command and Control

Web Service

1
T1102

Replay Monitor

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Downloads

  • memory/4644-2-0x0000000000400000-0x00000000010B6000-memory.dmp
    Filesize

    12.7MB

  • memory/4644-3-0x0000000000400000-0x00000000010B6000-memory.dmp
    Filesize

    12.7MB

  • memory/4644-5-0x0000000000070000-0x0000000000072000-memory.dmp
    Filesize

    8KB

  • memory/4644-7-0x00000000001B0000-0x00000000001F0000-memory.dmp
    Filesize

    256KB

  • memory/4644-8-0x00000000001F0000-0x0000000000200000-memory.dmp
    Filesize

    64KB