Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    05-11-2024 16:13

General

  • Target

    brinepcratfortest.exe

  • Size

    236KB

  • MD5

    e42b1a1c2cf1503da1d60fbd739bd8bc

  • SHA1

    b1d9d2d3c7aa4397ca2452ed9dcee3efe79173c4

  • SHA256

    b39474a99eef726a32bd893db376ec01a3e597275c2ed6c943327349f7d0b746

  • SHA512

    fd73bbdc90b40c8b053e1ce2f7543faafe5e6f56031743a60a9e0f776d0e07ca61c95da78c16251d78f9f6129ea90d17f2c51abc3ae02915930ef96283e6ec84

  • SSDEEP

    3072:HmD+PuJ9ub/p/DZEA9Okgg8SKfbzxcwg7es6/Vsb8VKTu549oJMfF/H9N3Ky9Nzx:HmSWibhCuUhcX7elbKTua9bfF/H9d9n

Score
10/10

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:7000

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    USB.exe

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\brinepcratfortest.exe
    "C:\Users\Admin\AppData\Local\Temp\brinepcratfortest.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3032

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3032-0-0x000007FEF55E3000-0x000007FEF55E4000-memory.dmp

    Filesize

    4KB

  • memory/3032-1-0x0000000000260000-0x00000000002A0000-memory.dmp

    Filesize

    256KB

  • memory/3032-2-0x000007FEF55E0000-0x000007FEF5FCC000-memory.dmp

    Filesize

    9.9MB

  • memory/3032-3-0x000007FEF55E0000-0x000007FEF5FCC000-memory.dmp

    Filesize

    9.9MB