General

  • Target

    77f8445a2e02ac72e0559545a3a69d758d3853866a55061efe6baacfe74cd1a6

  • Size

    546KB

  • Sample

    230324-a6a7fsbb73

  • MD5

    913c321e4f063c890c087c9f77512b26

  • SHA1

    be2290402c2f0cdc75e246036a2f88391b51c554

  • SHA256

    77f8445a2e02ac72e0559545a3a69d758d3853866a55061efe6baacfe74cd1a6

  • SHA512

    73956938feae96424b2c09966c27a194d165aa7cd9ef324beb78ed1cbc363be603f6a591d5673cd60e7b2212a806edf254528d2211fbc3febbfc03526330be93

  • SSDEEP

    12288:QMrey90aCLJYjBVScs2++a3Uh5ooestOwLFYqbV:ey0+a3UfoSBiYV

Malware Config

Extracted

Family

redline

Botnet

down

C2

193.233.20.31:4125

Attributes
  • auth_value

    12c31a90c72f5efae8c053a0bd339381

Extracted

Family

redline

Botnet

real

C2

193.233.20.31:4125

Attributes
  • auth_value

    bb22a50228754849387d5f4d1611e71b

Targets

    • Target

      77f8445a2e02ac72e0559545a3a69d758d3853866a55061efe6baacfe74cd1a6

    • Size

      546KB

    • MD5

      913c321e4f063c890c087c9f77512b26

    • SHA1

      be2290402c2f0cdc75e246036a2f88391b51c554

    • SHA256

      77f8445a2e02ac72e0559545a3a69d758d3853866a55061efe6baacfe74cd1a6

    • SHA512

      73956938feae96424b2c09966c27a194d165aa7cd9ef324beb78ed1cbc363be603f6a591d5673cd60e7b2212a806edf254528d2211fbc3febbfc03526330be93

    • SSDEEP

      12288:QMrey90aCLJYjBVScs2++a3Uh5ooestOwLFYqbV:ey0+a3UfoSBiYV

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • RedLine payload

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Windows security modification

    • 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.

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

3
T1112

Disabling Security Tools

2
T1089

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

1
T1012

Collection

Data from Local System

2
T1005

Tasks