Analysis

  • max time kernel
    62s
  • max time network
    114s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    10-11-2020 07:28

General

  • Target

    39dd710b8b286e59558fc4d5b4108174cd3bb5dec3b59dcb1c26ade48be035a2.exe

  • Size

    10.8MB

  • MD5

    43052283af9593a1bade9f46ae0a5545

  • SHA1

    59423227440a9ae7f0c8661503df7a2c892300f2

  • SHA256

    39dd710b8b286e59558fc4d5b4108174cd3bb5dec3b59dcb1c26ade48be035a2

  • SHA512

    826adb334ce5846ade035c9e309da4d3be40b065dfa15330e67a4dd7978e3d38246fa0e9e3232a34063b261853e04dcf8868db6a9d0f182472072ca78912e84e

Score
6/10

Malware Config

Signatures

  • 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 1063 IoCs
  • Program crash 1 IoCs
  • Modifies Internet Explorer start page 1 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\39dd710b8b286e59558fc4d5b4108174cd3bb5dec3b59dcb1c26ade48be035a2.exe
    "C:\Users\Admin\AppData\Local\Temp\39dd710b8b286e59558fc4d5b4108174cd3bb5dec3b59dcb1c26ade48be035a2.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:1048
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1048 -s 740
      2⤵
      • Program crash
      PID:1432

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/1048-0-0x0000000000400000-0x00000000010B2000-memory.dmp
    Filesize

    12.7MB

  • memory/1048-1-0x0000000000400000-0x00000000010B2000-memory.dmp
    Filesize

    12.7MB

  • memory/1048-4-0x0000000000080000-0x0000000000082000-memory.dmp
    Filesize

    8KB

  • memory/1048-5-0x00000000001B0000-0x00000000001F0000-memory.dmp
    Filesize

    256KB

  • memory/1048-6-0x00000000001F0000-0x0000000000200000-memory.dmp
    Filesize

    64KB