General

  • Target

    PAYMENT FOR INVOICES.js.zip

  • Size

    874KB

  • Sample

    230117-2h314shc96

  • MD5

    d23f225270f193fc095124df23b43954

  • SHA1

    bacdf9c78a2ce2f36cbbab264f761b013e484c93

  • SHA256

    5154aae086fff67c92e4b336f788572a138bc255741b9aa9083442b750350cce

  • SHA512

    198faf38cd04ac4e974c6cabe3088e37cd24457373785d38bb7ad574c6c09b11e4694367645e831d012c912da530cd5a061fbbbbdff02b1f09d357a71f3bbaae

  • SSDEEP

    12288:ufLsJXk+buVWtYf4ElYFN3woM3h9CVuDc36rJjUnC4bVTzZ7s+Kzm8ns3XjAufk2:uoJ0+bcZiFN3woAZDSPC4tZ0zHToIw/5

Malware Config

Targets

    • Target

      PAYMENT FOR INVOICES.js

    • Size

      1.4MB

    • MD5

      d417724d472894254a6c037c5570c843

    • SHA1

      6d4b62ebebcd98d4af03dc5967069a90404a8da7

    • SHA256

      d77b1847964ea75c7a8f478e30b74a1877fcad2140258d5fa217da72559152f4

    • SHA512

      694e1638d1d2cd648ef04cc54d3351f538e360ee46537c822ab24b5eb7c40b82b61c2e98a3e78590710153a8ceb6be416d7a4b496d5ca9c14a63d4b87c88c0c1

    • SSDEEP

      24576:VnlZziDqBFYTdbrvawzgkiHv47+aH76s+mhucjzZB:lLi+iff4Hw7dOPcf

    • Vjw0rm

      Vjw0rm is a remote access trojan written in JavaScript.

    • Blocklisted process makes network request

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Tasks