General

  • Target

    d76cedb0c5dcbd3cb098d3fd83817c5e2bc3a64b2ce4fe9f3759b70131ed75b5

  • Size

    778KB

  • Sample

    230603-ksac4sgc72

  • MD5

    f766c85c2da335d4472dc6301b225091

  • SHA1

    d20e968edf6b486828cbc85b96cbaedf78449a5a

  • SHA256

    d76cedb0c5dcbd3cb098d3fd83817c5e2bc3a64b2ce4fe9f3759b70131ed75b5

  • SHA512

    a6af5a5151acba13c334202bdd5cb53c9f6327a2ea5d340570117cc3fb079dfbad24a582acd1eba4a4dd6b001884f4ee5781b2a4efdfdfedb10a64103d03a29e

  • SSDEEP

    12288:UMrfy90jbHN2x/N8uqSm4q/T9IoEzqK8shSZfpt+Mk+FEyAuAlRi0+5PPo:jyPudnyoEzq5ZR8OEhTlp+5Y

Malware Config

Extracted

Family

redline

Botnet

maxi

C2

83.97.73.126:19046

Attributes
  • auth_value

    6a3f22e5f4209b056a3fd330dc71956a

Extracted

Family

redline

Botnet

metro

C2

83.97.73.126:19046

Attributes
  • auth_value

    f7fd4aa816bdbaad933b45b51d9b6b1a

Targets

    • Target

      d76cedb0c5dcbd3cb098d3fd83817c5e2bc3a64b2ce4fe9f3759b70131ed75b5

    • Size

      778KB

    • MD5

      f766c85c2da335d4472dc6301b225091

    • SHA1

      d20e968edf6b486828cbc85b96cbaedf78449a5a

    • SHA256

      d76cedb0c5dcbd3cb098d3fd83817c5e2bc3a64b2ce4fe9f3759b70131ed75b5

    • SHA512

      a6af5a5151acba13c334202bdd5cb53c9f6327a2ea5d340570117cc3fb079dfbad24a582acd1eba4a4dd6b001884f4ee5781b2a4efdfdfedb10a64103d03a29e

    • SSDEEP

      12288:UMrfy90jbHN2x/N8uqSm4q/T9IoEzqK8shSZfpt+Mk+FEyAuAlRi0+5PPo:jyPudnyoEzq5ZR8OEhTlp+5Y

    • 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