General

  • Target

    155e4e13c22175303ce91b6b1199847339a0cb41d2db0ab4dd17e51f97ded58f

  • Size

    1.1MB

  • Sample

    230514-15fzesdg39

  • MD5

    370f9389194147b34dbe67793db6389e

  • SHA1

    3fff761cac6349cacd7729f544a55f2a2ae32fb0

  • SHA256

    155e4e13c22175303ce91b6b1199847339a0cb41d2db0ab4dd17e51f97ded58f

  • SHA512

    0e9fec130a7ad3afe0904c9c948682037340f778cd9852448aa36d413b4a21331a509f135892bdb64c4016c0568526a934423f16e5b08caff4dc5ed23d4d84cd

  • SSDEEP

    24576:syXQiuNRzUKvk6XmITiiK3P28Z3bLpSGrdZvFBlj2X:bXQi8bk1YiiK3uUbLsKdhF

Malware Config

Extracted

Family

redline

Botnet

linda

C2

185.161.248.75:4132

Attributes
  • auth_value

    21cdc21d041667b9c1679f88a1146770

Extracted

Family

redline

Botnet

horor

C2

185.161.248.75:4132

Attributes
  • auth_value

    b8d506fe48db15c38fb031d07f42d529

Targets

    • Target

      155e4e13c22175303ce91b6b1199847339a0cb41d2db0ab4dd17e51f97ded58f

    • Size

      1.1MB

    • MD5

      370f9389194147b34dbe67793db6389e

    • SHA1

      3fff761cac6349cacd7729f544a55f2a2ae32fb0

    • SHA256

      155e4e13c22175303ce91b6b1199847339a0cb41d2db0ab4dd17e51f97ded58f

    • SHA512

      0e9fec130a7ad3afe0904c9c948682037340f778cd9852448aa36d413b4a21331a509f135892bdb64c4016c0568526a934423f16e5b08caff4dc5ed23d4d84cd

    • SSDEEP

      24576:syXQiuNRzUKvk6XmITiiK3P28Z3bLpSGrdZvFBlj2X:bXQi8bk1YiiK3uUbLsKdhF

    • 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