General

  • Target

    b3b7063531ee221894303adb8539be14cb3ecd8332cf8cd1b6186fa726b56901

  • Size

    1.0MB

  • Sample

    230522-ptscjagd88

  • MD5

    e035be05a7eb792a2e1dfe78a55b73fa

  • SHA1

    2bc4e9e53df489e4e3c9e57fc25270f9303454d6

  • SHA256

    b3b7063531ee221894303adb8539be14cb3ecd8332cf8cd1b6186fa726b56901

  • SHA512

    d483a25068c02746bd4ce4830ee7f5368bb6f10f4d372459f65aeb1f94176840258f424ebf80d2193e0c1b3621af682660cd954fa211c3d9c122d24603c38e6e

  • SSDEEP

    24576:CydqwsH2PeLNivc712LWEKlNspi5bej2gt/UdbONs/iz8FtEMHC9:pYXWPeH2zKCIe1Oiz8jEMi

Malware Config

Extracted

Family

redline

Botnet

mix

C2

77.91.124.251:19065

Attributes
  • auth_value

    5034ed53489733b1fbaf2777113a7d90

Targets

    • Target

      b3b7063531ee221894303adb8539be14cb3ecd8332cf8cd1b6186fa726b56901

    • Size

      1.0MB

    • MD5

      e035be05a7eb792a2e1dfe78a55b73fa

    • SHA1

      2bc4e9e53df489e4e3c9e57fc25270f9303454d6

    • SHA256

      b3b7063531ee221894303adb8539be14cb3ecd8332cf8cd1b6186fa726b56901

    • SHA512

      d483a25068c02746bd4ce4830ee7f5368bb6f10f4d372459f65aeb1f94176840258f424ebf80d2193e0c1b3621af682660cd954fa211c3d9c122d24603c38e6e

    • SSDEEP

      24576:CydqwsH2PeLNivc712LWEKlNspi5bej2gt/UdbONs/iz8FtEMHC9:pYXWPeH2zKCIe1Oiz8jEMi

    • 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