General

  • Target

    40142e109cb8c68da172d0cb07997a34416543276a520353d6b3fa2de04d8d9c

  • Size

    1021KB

  • Sample

    230522-s6r43shd27

  • MD5

    093013c33e14573a882b6e6afce53d3a

  • SHA1

    576d9201e9021193350c8ca85b98d7e931547874

  • SHA256

    40142e109cb8c68da172d0cb07997a34416543276a520353d6b3fa2de04d8d9c

  • SHA512

    8bb0572826b1135cc07ac1e14b1a8beaae042bddbb84569f07e208a58adf3c5315f56ee93da58cdb7f9a18fca87506f3d62b56151bd17fb9b7f63622e9745364

  • SSDEEP

    24576:ty5sIKD6s98JvUf6PAlBlW6HXH1AsFppy7kjSw5ZLH48+JI:IGft9pLlx3V1ppBFhY8

Malware Config

Extracted

Family

redline

Botnet

dix

C2

77.91.124.251:19065

Attributes
  • auth_value

    9b544b3d9c88af32e2f5bf8705f9a2fb

Targets

    • Target

      40142e109cb8c68da172d0cb07997a34416543276a520353d6b3fa2de04d8d9c

    • Size

      1021KB

    • MD5

      093013c33e14573a882b6e6afce53d3a

    • SHA1

      576d9201e9021193350c8ca85b98d7e931547874

    • SHA256

      40142e109cb8c68da172d0cb07997a34416543276a520353d6b3fa2de04d8d9c

    • SHA512

      8bb0572826b1135cc07ac1e14b1a8beaae042bddbb84569f07e208a58adf3c5315f56ee93da58cdb7f9a18fca87506f3d62b56151bd17fb9b7f63622e9745364

    • SSDEEP

      24576:ty5sIKD6s98JvUf6PAlBlW6HXH1AsFppy7kjSw5ZLH48+JI:IGft9pLlx3V1ppBFhY8

    • 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

    • 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

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Tasks