General

  • Target

    Software patch by Sylox.exe

  • Size

    3.2MB

  • Sample

    211021-q6gx1abccj

  • MD5

    32da7dfc115619bf8a6197ec22b75edf

  • SHA1

    6118bde049e88592ff92464788c63992a96ece13

  • SHA256

    ea152bfedb88c978ab9730ab0f6c9f4baed1777e33d5a6e25c3d542b5c39bb61

  • SHA512

    c2a522312fe8bcbe092c6dd46e6e34c53e0d9bf58bccea1f9de1e96b06c0f08d452e0c000a46f34b1cc5bbe22df866243edd17450c1a2ddf43854ddba26864a1

Malware Config

Extracted

Family

redline

Botnet

@faqu_1

C2

95.181.152.6:46927

Targets

    • Target

      Software patch by Sylox.exe

    • Size

      3.2MB

    • MD5

      32da7dfc115619bf8a6197ec22b75edf

    • SHA1

      6118bde049e88592ff92464788c63992a96ece13

    • SHA256

      ea152bfedb88c978ab9730ab0f6c9f4baed1777e33d5a6e25c3d542b5c39bb61

    • SHA512

      c2a522312fe8bcbe092c6dd46e6e34c53e0d9bf58bccea1f9de1e96b06c0f08d452e0c000a46f34b1cc5bbe22df866243edd17450c1a2ddf43854ddba26864a1

    • RedLine

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

    • RedLine Payload

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • XMRig Miner Payload

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • 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.

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

3
T1082

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks