Analysis

  • max time kernel
    43s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    22-05-2022 12:04

General

  • Target

    8541ac7cf0202ddc53e9046d8f0c44f5.exe

  • Size

    384KB

  • MD5

    8541ac7cf0202ddc53e9046d8f0c44f5

  • SHA1

    4b814437cd710c67998bbf2d26c226f7de167423

  • SHA256

    6e85a1535c9ce115199a7da32b0ba2f14a5e1d7d9df9bc606b091cc72407749e

  • SHA512

    14fafa794bcd1c4bfa7e25b0f418165711fb74dc8cb6d5bf2dc5dc4541d154d7d0fda2dfa81ac4c2c8642b5cd58f7dc554754a15ab41749b91734e1ea59e0ab1

Malware Config

Extracted

Family

redline

Botnet

test1

C2

185.215.113.75:80

Attributes
  • auth_value

    7ab4a4e2eae9eb7ae10f64f68df53bb3

Signatures

  • RedLine

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

  • 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.

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8541ac7cf0202ddc53e9046d8f0c44f5.exe
    "C:\Users\Admin\AppData\Local\Temp\8541ac7cf0202ddc53e9046d8f0c44f5.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2040

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

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/2040-54-0x00000000045D0000-0x0000000004600000-memory.dmp
    Filesize

    192KB

  • memory/2040-55-0x0000000004600000-0x000000000462E000-memory.dmp
    Filesize

    184KB

  • memory/2040-56-0x0000000002CEE000-0x0000000002D18000-memory.dmp
    Filesize

    168KB

  • memory/2040-57-0x0000000000220000-0x0000000000257000-memory.dmp
    Filesize

    220KB

  • memory/2040-58-0x0000000000400000-0x0000000002B7C000-memory.dmp
    Filesize

    39.5MB

  • memory/2040-59-0x0000000075B71000-0x0000000075B73000-memory.dmp
    Filesize

    8KB