General

  • Target

    02f49cb233cc7d0bc75896b994da2d39cc31cf945921e763b383014fedf2bd96

  • Size

    625KB

  • Sample

    230604-s2yq3ace95

  • MD5

    c723338e01424080f1e4834ac22200a9

  • SHA1

    4e01979bbedf6fe148835f15555c45d78ff6dfaa

  • SHA256

    02f49cb233cc7d0bc75896b994da2d39cc31cf945921e763b383014fedf2bd96

  • SHA512

    fe919fc81183f25bf8f618b25cdf0f837013502fa06c01f389ba924464cbc3fc4195ca2775a516b493ddb41224a04a3b77a7c1e6ca16caca6967b8f207fc68a0

  • SSDEEP

    12288:YMrLy90yLkamLHFL2s8eggP4I9AVXuS4go8w9gMblYkVN:zytSlL2MARkgLw91BN

Malware Config

Extracted

Family

redline

Botnet

dusa

C2

83.97.73.126:19046

Attributes
  • auth_value

    ee896466545fedf9de5406175fb82de5

Extracted

Family

redline

Botnet

brain

C2

83.97.73.126:19046

Attributes
  • auth_value

    5fb8269baadec0c49899b9a7a0c8851f

Targets

    • Target

      02f49cb233cc7d0bc75896b994da2d39cc31cf945921e763b383014fedf2bd96

    • Size

      625KB

    • MD5

      c723338e01424080f1e4834ac22200a9

    • SHA1

      4e01979bbedf6fe148835f15555c45d78ff6dfaa

    • SHA256

      02f49cb233cc7d0bc75896b994da2d39cc31cf945921e763b383014fedf2bd96

    • SHA512

      fe919fc81183f25bf8f618b25cdf0f837013502fa06c01f389ba924464cbc3fc4195ca2775a516b493ddb41224a04a3b77a7c1e6ca16caca6967b8f207fc68a0

    • SSDEEP

      12288:YMrLy90yLkamLHFL2s8eggP4I9AVXuS4go8w9gMblYkVN:zytSlL2MARkgLw91BN

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • 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

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Disabling Security Tools

1
T1089

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Tasks