Analysis

  • max time kernel
    117s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    21-10-2021 14:17

General

  • Target

    usfive_20211021-124624.exe

  • Size

    333KB

  • MD5

    d925816145cc18afdd4675c4846bc9a7

  • SHA1

    9eb8dff855f515f3253eb2987679c462c9cab3e7

  • SHA256

    6ccde99f9a922f30985bf697ef122d1bb102993590064544c6d0cda4f53cbdcc

  • SHA512

    5caec99f2a47c64193707f5f3ccb74408eea98fd395d1fba4881f7ca39149ec3aa233ef4d85396e6e3be037bc293a138ea4e1d97528c72466e8d8c5a663f5326

Malware Config

Extracted

Family

redline

Botnet

oct21

C2

94.103.9.181:25690

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_20211021-124624.exe
    "C:\Users\Admin\AppData\Local\Temp\usfive_20211021-124624.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:952

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/952-55-0x00000000001B0000-0x00000000001D1000-memory.dmp
    Filesize

    132KB

  • memory/952-56-0x0000000000270000-0x000000000029F000-memory.dmp
    Filesize

    188KB

  • memory/952-57-0x0000000000400000-0x0000000002F1A000-memory.dmp
    Filesize

    43.1MB

  • memory/952-58-0x0000000002FD0000-0x0000000002FEB000-memory.dmp
    Filesize

    108KB

  • memory/952-60-0x00000000073A2000-0x00000000073A3000-memory.dmp
    Filesize

    4KB

  • memory/952-59-0x00000000073A1000-0x00000000073A2000-memory.dmp
    Filesize

    4KB

  • memory/952-62-0x00000000073A3000-0x00000000073A4000-memory.dmp
    Filesize

    4KB

  • memory/952-61-0x0000000004A40000-0x0000000004A5A000-memory.dmp
    Filesize

    104KB

  • memory/952-63-0x00000000073A4000-0x00000000073A6000-memory.dmp
    Filesize

    8KB