General

  • Target

    ustwo_20210607-133958

  • Size

    120KB

  • Sample

    210607-f1wzp3ha3a

  • MD5

    bc3443ee6ebeac5b40d789367a61cc36

  • SHA1

    3aca0e6d34866853b9ed702d76e0222952451eb4

  • SHA256

    875f42b4ae4e80050231b14e50770f8e51a7b1f9887504ab6699860c9d37d09c

  • SHA512

    bb2450f210eb7ab34a51c91b28edbfb671570d47a9c8033fd74dc1437c2e99107e4052a8a6a911b6ccf5d29fa206bb173064a83ea47cddd83819079260430240

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://raw.githubusercontent.com/sqlitey/sqlite/master/speed.ps1

Extracted

Family

redline

Botnet

N6

C2

lyanannaron.xyz:80

Targets

    • Target

      ustwo_20210607-133958

    • Size

      120KB

    • MD5

      bc3443ee6ebeac5b40d789367a61cc36

    • SHA1

      3aca0e6d34866853b9ed702d76e0222952451eb4

    • SHA256

      875f42b4ae4e80050231b14e50770f8e51a7b1f9887504ab6699860c9d37d09c

    • SHA512

      bb2450f210eb7ab34a51c91b28edbfb671570d47a9c8033fd74dc1437c2e99107e4052a8a6a911b6ccf5d29fa206bb173064a83ea47cddd83819079260430240

    • RedLine

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

    • RedLine Payload

    • ServHelper

      ServHelper is a backdoor written in Delphi and is associated with the hacking group TA505.

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies RDP port number used by Windows

    • Possible privilege escalation attempt

    • Sets DLL path for service in the registry

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Deletes itself

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

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

    • Looks up external IP address via web service

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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Account Manipulation

1
T1098

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

File Permissions Modification

1
T1222

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Lateral Movement

Remote Desktop Protocol

1
T1076

Collection

Data from Local System

2
T1005

Tasks