General

  • Target

    ba3f48f7f8cf0aa6e8a2afd4b12930f6d4731cb58d6cbdd8c70b4a5dd78f21fc.exe

  • Size

    1.1MB

  • Sample

    230514-w5175scg34

  • MD5

    3c5b5839f471dcce81a8bdde7d9ccf83

  • SHA1

    d446ea35d603dbe5b5f80afe49b1297011713c72

  • SHA256

    ba3f48f7f8cf0aa6e8a2afd4b12930f6d4731cb58d6cbdd8c70b4a5dd78f21fc

  • SHA512

    c8875d786179d63e6f654b3534c9b6166687399e7250c8f36587239ad3428957a4bfe557d3eebe8a1a618def6d2f2316087c13f13295fcb9b3f2423f409422c1

  • SSDEEP

    24576:Cylgno1gee+wL1z0OHq4jefS9AXiS7Fnt3mVqJ:plgnf+wL13KQ9AX/b3Eq

Malware Config

Extracted

Family

redline

Botnet

larry

C2

185.161.248.75:4132

Attributes
  • auth_value

    9039557bb7a08f5f2f60e2b71e1dee0e

Extracted

Family

redline

Botnet

warum

C2

185.161.248.75:4132

Attributes
  • auth_value

    0bdb2dda91dadc65f555dee088a6a2a4

Targets

    • Target

      ba3f48f7f8cf0aa6e8a2afd4b12930f6d4731cb58d6cbdd8c70b4a5dd78f21fc.exe

    • Size

      1.1MB

    • MD5

      3c5b5839f471dcce81a8bdde7d9ccf83

    • SHA1

      d446ea35d603dbe5b5f80afe49b1297011713c72

    • SHA256

      ba3f48f7f8cf0aa6e8a2afd4b12930f6d4731cb58d6cbdd8c70b4a5dd78f21fc

    • SHA512

      c8875d786179d63e6f654b3534c9b6166687399e7250c8f36587239ad3428957a4bfe557d3eebe8a1a618def6d2f2316087c13f13295fcb9b3f2423f409422c1

    • SSDEEP

      24576:Cylgno1gee+wL1z0OHq4jefS9AXiS7Fnt3mVqJ:plgnf+wL13KQ9AX/b3Eq

    • 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.

    • Windows security modification

    • 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

3
T1112

Disabling Security Tools

2
T1089

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Tasks