Analysis

  • max time kernel
    54s
  • max time network
    58s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    14-12-2020 12:43

General

  • Target

    acfc902c90b90bd6cc8c1f3bbf393648.exe

  • Size

    6.6MB

  • MD5

    acfc902c90b90bd6cc8c1f3bbf393648

  • SHA1

    76c2e6263c9ef4d477abdda8fdc7b8d31a7c25e3

  • SHA256

    adf8d4bdcc642de48aee894ccb4a4506bd3fcc9ce5f01b1894e204e924ec6c76

  • SHA512

    921aa7ed6a1f37ede7dfe152e467694f34292d3aefdaf3805392452662bfc44660d079a9bee02a0ef762c19abb223adcf7dcbf12ef03dec353adcf38c0663419

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 104 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 1646 IoCs
  • Modifies system certificate store 2 TTPs 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\acfc902c90b90bd6cc8c1f3bbf393648.exe
    "C:\Users\Admin\AppData\Local\Temp\acfc902c90b90bd6cc8c1f3bbf393648.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    PID:1916

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/1916-2-0x0000000000400000-0x00000000010B6000-memory.dmp
    Filesize

    12.7MB

  • memory/1916-3-0x0000000000400000-0x00000000010B6000-memory.dmp
    Filesize

    12.7MB

  • memory/1916-4-0x0000000000400000-0x00000000010B6000-memory.dmp
    Filesize

    12.7MB

  • memory/1916-5-0x0000000000400000-0x00000000010B6000-memory.dmp
    Filesize

    12.7MB

  • memory/1916-6-0x00000000002F0000-0x0000000000300000-memory.dmp
    Filesize

    64KB

  • memory/1916-7-0x0000000000300000-0x0000000000302000-memory.dmp
    Filesize

    8KB