Overview

overview

10

Static

static

file.exe

windows7-x64

10

file.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    file.exe

  • Size

    35KB

  • Sample

    230106-nbzs8afg97

  • MD5

    4cf755615a13020d548efdb50075c7f4

  • SHA1

    d7fe35e37bda895f6ead22cda6e918716be2bbf1

  • SHA256

    6e8bf74388ea7fd0920ba751b8815fc3cf8b08718062695e1860ba9afa961e12

  • SHA512

    e0230b47232d3ff6ed0d4de0c63990cbd03e7141c62102045f95b4960ccd75407737426218dd643fee5028932f16e63eed6360d95cbe539882d7d4dfecb39348

  • SSDEEP

    768:l4fwXzHw0maEVLjCFHsGy4r/wOPpdwMNhghy0q9:l44XjxmaEVcu4kmTghy0w

Score
10/10
redlinexmrig$infostealerminerpersistencespyware

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://62.204.41.194/go.png

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://62.204.41.194/F1.exe

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://62.204.41.194/me.png

Extracted

Family

redline

Botnet

$

C2

31.41.244.135:19850

Attributes
  • auth_value

    66623f79e2af33286760f5dd6c4262dc

Targets

    • Target

      file.exe

    • Size

      35KB

    • MD5

      4cf755615a13020d548efdb50075c7f4

    • SHA1

      d7fe35e37bda895f6ead22cda6e918716be2bbf1

    • SHA256

      6e8bf74388ea7fd0920ba751b8815fc3cf8b08718062695e1860ba9afa961e12

    • SHA512

      e0230b47232d3ff6ed0d4de0c63990cbd03e7141c62102045f95b4960ccd75407737426218dd643fee5028932f16e63eed6360d95cbe539882d7d4dfecb39348

    • SSDEEP

      768:l4fwXzHw0maEVLjCFHsGy4r/wOPpdwMNhghy0q9:l44XjxmaEVcu4kmTghy0w

    Score
    10/10
    xmrigminerredline$infostealerpersistencespyware

    • RedLine

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

      infostealerredline

    • xmrig

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

      minerxmrig

    • XMRig Miner payload

      miner

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Adds Run key to start application

      persistence

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Tasks