Analysis

  • max time kernel
    122s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    21-10-2021 09:05

General

  • Target

    usfive_20211021-062701.exe

  • Size

    364KB

  • MD5

    f14ec4f3e65383c168285af92ca31b5e

  • SHA1

    1bcff9b7bf9794b0db88194ee8a613ac6282ad32

  • SHA256

    2de33c4a812d237e9dc8c5e883ce84b877339a6be043e5b333ef0d618c117555

  • SHA512

    2c2674912a0e1699370ec17ecec6acba4c4bff064a6a2692c39271c5d5c092dd630dcbdf15f2b952e2f93aeccc793d32242c90508e177b191d24843359d5c9e1

Malware Config

Extracted

Family

redline

Botnet

netlyvpn evadav

C2

94.103.9.181:25749

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine Payload 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\usfive_20211021-062701.exe
    "C:\Users\Admin\AppData\Local\Temp\usfive_20211021-062701.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2032

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

1
T1012

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2032-54-0x00000000002AD000-0x00000000002D0000-memory.dmp
    Filesize

    140KB

  • memory/2032-55-0x0000000000260000-0x0000000000290000-memory.dmp
    Filesize

    192KB

  • memory/2032-56-0x0000000000400000-0x0000000002F23000-memory.dmp
    Filesize

    43.1MB

  • memory/2032-57-0x0000000007311000-0x0000000007312000-memory.dmp
    Filesize

    4KB

  • memory/2032-58-0x0000000004A90000-0x0000000004AAF000-memory.dmp
    Filesize

    124KB

  • memory/2032-60-0x0000000007313000-0x0000000007314000-memory.dmp
    Filesize

    4KB

  • memory/2032-59-0x0000000007312000-0x0000000007313000-memory.dmp
    Filesize

    4KB

  • memory/2032-61-0x0000000004C10000-0x0000000004C2D000-memory.dmp
    Filesize

    116KB

  • memory/2032-62-0x0000000007314000-0x0000000007316000-memory.dmp
    Filesize

    8KB