Analysis

  • max time kernel
    53s
  • max time network
    61s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    14-12-2020 13:53

General

  • Target

    2021f7eda7ff7ca6f6ca98f20258d351.exe

  • Size

    6.4MB

  • MD5

    2021f7eda7ff7ca6f6ca98f20258d351

  • SHA1

    13d524f03c4f6cca186e9eee3678208d246d1aac

  • SHA256

    8e2cd39696f7a2115987f2506b4de3c83f1cc21a0fa77df1c82c26f65f2e8e23

  • SHA512

    622118c8d47ecc3976f137af8fc286f0667bb39b4e48160d3ce0a73a728ac721a9f8ab48ca39f5dfd5cb87475f94b17044dc3c934c1107faf1fa50f2c05a61ec

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 1500 IoCs
  • Modifies system certificate store 2 TTPs 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2021f7eda7ff7ca6f6ca98f20258d351.exe
    "C:\Users\Admin\AppData\Local\Temp\2021f7eda7ff7ca6f6ca98f20258d351.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    PID:544

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Replication Through Removable Media

1
T1091

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Lateral Movement

Replication Through Removable Media

1
T1091

Command and Control

Web Service

1
T1102

Replay Monitor

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Downloads

  • memory/544-2-0x0000000000400000-0x00000000010B6000-memory.dmp
    Filesize

    12.7MB

  • memory/544-3-0x0000000000400000-0x00000000010B6000-memory.dmp
    Filesize

    12.7MB

  • memory/544-4-0x0000000000400000-0x00000000010B6000-memory.dmp
    Filesize

    12.7MB

  • memory/544-5-0x0000000000400000-0x00000000010B6000-memory.dmp
    Filesize

    12.7MB

  • memory/544-6-0x00000000002C0000-0x00000000002E0000-memory.dmp
    Filesize

    128KB

  • memory/544-7-0x0000000000340000-0x0000000000342000-memory.dmp
    Filesize

    8KB

  • memory/544-9-0x00000000003E0000-0x00000000003E2000-memory.dmp
    Filesize

    8KB