Analysis

  • max time kernel
    119s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    14-12-2020 17:11

General

  • Target

    f3a983f21410b19643fdfb0f1ffb96ad.exe

  • Size

    6.4MB

  • MD5

    f3a983f21410b19643fdfb0f1ffb96ad

  • SHA1

    1a42f1bd0d9fe61d951dfa92ff9c2e926b73d54d

  • SHA256

    f6d12624d46240aac4d9787d413d1c1a531d1c2613f2391021eca4d9a84d3707

  • SHA512

    999b278a9e032823252a270487b526e9415a212589469724a2dcdc345d0d19dccd0a50abc90be6a5d36453f7ae58a20d8ead15b61dffaa71c5f81b7bcb2ecfea

Score
10/10

Malware Config

Signatures

  • xmrig

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

  • XMRig Miner Payload 4 IoCs
  • UPX packed file 102 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 1383 IoCs
  • Modifies Internet Explorer start page 1 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f3a983f21410b19643fdfb0f1ffb96ad.exe
    "C:\Users\Admin\AppData\Local\Temp\f3a983f21410b19643fdfb0f1ffb96ad.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:1756

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/1756-2-0x0000000000400000-0x00000000010B6000-memory.dmp
    Filesize

    12.7MB

  • memory/1756-3-0x0000000000400000-0x00000000010B6000-memory.dmp
    Filesize

    12.7MB

  • memory/1756-4-0x0000000000400000-0x00000000010B6000-memory.dmp
    Filesize

    12.7MB

  • memory/1756-5-0x0000000000400000-0x00000000010B6000-memory.dmp
    Filesize

    12.7MB

  • memory/1756-6-0x00000000002C0000-0x00000000002E0000-memory.dmp
    Filesize

    128KB

  • memory/1756-8-0x00000000003F0000-0x00000000003F2000-memory.dmp
    Filesize

    8KB