General

  • Target

    c47a1e6bb46356eeff1868027f27f5bd639e59c00ae52598addbe18c39f06017

  • Size

    1.0MB

  • Sample

    230522-s3f8eahc93

  • MD5

    ed2db75234dc1e3442f68195768100c2

  • SHA1

    1e80e39bd834412d48422a8a61d9dcae3227bfea

  • SHA256

    c47a1e6bb46356eeff1868027f27f5bd639e59c00ae52598addbe18c39f06017

  • SHA512

    d169a99f2a96a032515e1f79f994e781fb6e222966e127e2c9db33d8d7a8e1da0865a9defccb3c18075a0068efcad9cb12d4c838c98239a42068db3eb7e13d94

  • SSDEEP

    24576:TyQ+MGrtfDbkTwgTkVv6ckOVHPab/1s0R+PvDnzhg8DalKXI:m7MstfXkLhKC1fUrzzagX

Malware Config

Extracted

Family

redline

Botnet

mix

C2

77.91.124.251:19065

Attributes
  • auth_value

    5034ed53489733b1fbaf2777113a7d90

Targets

    • Target

      c47a1e6bb46356eeff1868027f27f5bd639e59c00ae52598addbe18c39f06017

    • Size

      1.0MB

    • MD5

      ed2db75234dc1e3442f68195768100c2

    • SHA1

      1e80e39bd834412d48422a8a61d9dcae3227bfea

    • SHA256

      c47a1e6bb46356eeff1868027f27f5bd639e59c00ae52598addbe18c39f06017

    • SHA512

      d169a99f2a96a032515e1f79f994e781fb6e222966e127e2c9db33d8d7a8e1da0865a9defccb3c18075a0068efcad9cb12d4c838c98239a42068db3eb7e13d94

    • SSDEEP

      24576:TyQ+MGrtfDbkTwgTkVv6ckOVHPab/1s0R+PvDnzhg8DalKXI:m7MstfXkLhKC1fUrzzagX

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • RedLine payload

    • 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