General

  • Target

    8c83d41c4afb2b2d0dacae8a35d33917.exe

  • Size

    1.0MB

  • Sample

    230519-1fwzcabb5y

  • MD5

    8c83d41c4afb2b2d0dacae8a35d33917

  • SHA1

    80f0e0140a9e71cc7fcda2c3d9f64a3126b0eb15

  • SHA256

    5a32a3e880dc82b49ad434a67422cbc1e9e8685ef3defad00d3ede8a74ac72bf

  • SHA512

    77dc3ec4215d0920f0083e0f695ee9b5a87eca8a99e583f00f445fbc18035766aaf88bb7a804780c02a5dc322036d46189ff961bf59db8120df315531f9c425c

  • SSDEEP

    24576:wyPB1v2vbSX7VXWXGAvC/YmrkrbToAChYjL8/lbTDA82D4h:3zv8SR1AvZxrnouL8/lbTwD4

Malware Config

Extracted

Family

redline

Botnet

duper

C2

77.91.68.253:19065

Attributes
  • auth_value

    57e17ebbdb18f4882b95fe05402ef1c8

Targets

    • Target

      8c83d41c4afb2b2d0dacae8a35d33917.exe

    • Size

      1.0MB

    • MD5

      8c83d41c4afb2b2d0dacae8a35d33917

    • SHA1

      80f0e0140a9e71cc7fcda2c3d9f64a3126b0eb15

    • SHA256

      5a32a3e880dc82b49ad434a67422cbc1e9e8685ef3defad00d3ede8a74ac72bf

    • SHA512

      77dc3ec4215d0920f0083e0f695ee9b5a87eca8a99e583f00f445fbc18035766aaf88bb7a804780c02a5dc322036d46189ff961bf59db8120df315531f9c425c

    • SSDEEP

      24576:wyPB1v2vbSX7VXWXGAvC/YmrkrbToAChYjL8/lbTDA82D4h:3zv8SR1AvZxrnouL8/lbTwD4

    • 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 Enterprise v6

Tasks