General

  • Target

    fcaa9665496fa53c9e025f81e0df8dab18433b599fe87421a4b2eb5f1dc35ae7

  • Size

    1.1MB

  • Sample

    230514-vl18csce73

  • MD5

    2546afb671467468e7823a37fc538006

  • SHA1

    6a33831fa6c91b7f944ab539876ddf52f58473b7

  • SHA256

    fcaa9665496fa53c9e025f81e0df8dab18433b599fe87421a4b2eb5f1dc35ae7

  • SHA512

    9d04bd2a3b9d7c808cf0b390dee8779ecd1236bd1721fe8beabc9e230094df5cd06aac43f1c81da38495f41994c78a6dd693ca9c20fed6d6ad68f2c8ce743e0b

  • SSDEEP

    24576:/ylvdMn0QKCKfk1avYRyf4A49P0JUy6zVdTD28ma25r3z:KNdQKCGk1Q3f4A4y2y6zC5r

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

      fcaa9665496fa53c9e025f81e0df8dab18433b599fe87421a4b2eb5f1dc35ae7

    • Size

      1.1MB

    • MD5

      2546afb671467468e7823a37fc538006

    • SHA1

      6a33831fa6c91b7f944ab539876ddf52f58473b7

    • SHA256

      fcaa9665496fa53c9e025f81e0df8dab18433b599fe87421a4b2eb5f1dc35ae7

    • SHA512

      9d04bd2a3b9d7c808cf0b390dee8779ecd1236bd1721fe8beabc9e230094df5cd06aac43f1c81da38495f41994c78a6dd693ca9c20fed6d6ad68f2c8ce743e0b

    • SSDEEP

      24576:/ylvdMn0QKCKfk1avYRyf4A49P0JUy6zVdTD28ma25r3z:KNdQKCGk1Q3f4A4y2y6zC5r

    • 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