Analysis

  • max time kernel
    80s
  • max time network
    35s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    25-06-2020 05:23

General

  • Target

    vbc.exe

  • Size

    453KB

  • MD5

    be8ecf5fc8fc6564c01a30e872bbe4b9

  • SHA1

    40a93953f8b744f41136f4728b77d936d9bab568

  • SHA256

    7fc89c08916cfdbc1f950304f39fb0039437bf720a7dcf4e236636cb004caf9c

  • SHA512

    039aea333e6e59aa8d7f020865ad660021027e041ed112fc7a8b8338db0fdfc695cc6c8d4f20047bbc30f45c8434a489f0a6db66d42536df93b51a0840bf1dab

Score
7/10

Malware Config

Signatures

  • Suspicious use of WriteProcessMemory 12 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

Processes

  • C:\Users\Admin\AppData\Local\Temp\vbc.exe
    "C:\Users\Admin\AppData\Local\Temp\vbc.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious use of SetThreadContext
    PID:272
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
      "{path}"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious behavior: EnumeratesProcesses
      PID:1908

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scripting

1
T1064

Defense Evasion

Scripting

1
T1064

Credential Access

Credentials in Files

2
T1081

Collection

Data from Local System

2
T1005

Replay Monitor

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Downloads

  • memory/1908-0-0x0000000000400000-0x0000000000450000-memory.dmp
    Filesize

    320KB

  • memory/1908-1-0x000000000044B96E-mapping.dmp
  • memory/1908-2-0x0000000000400000-0x0000000000450000-memory.dmp
    Filesize

    320KB

  • memory/1908-3-0x0000000000400000-0x0000000000450000-memory.dmp
    Filesize

    320KB