General

  • Target

    a35d7021023d811fad337c9c42f49837.exe

  • Size

    740KB

  • Sample

    230214-ycdx9afb6x

  • MD5

    a35d7021023d811fad337c9c42f49837

  • SHA1

    e1d6a58dc61ea3edd658d5c0d49300b6739a04e4

  • SHA256

    e9d1df7bf986c1e6ea28266c075b19598edcd6c3d20e0d57968f27263d2edb3a

  • SHA512

    2a5f35e73ecd17fd37a52d61d2429fd7c4dc83f5a1175c83fedd7eb0be80822ffaec61631531a643dc9c7c5576efe4ef0e1ae93211f0eec5c25fd1777ce8db48

  • SSDEEP

    12288:5Mrgy90FPx6i7cF7EMtDhkG7d3EP4DbVd3+uR3T6lXoX5rv3QrcGA1IBQTj5R8nE:FysQi7PMtlkGR0gDJ134XoX5TAKIBQBd

Malware Config

Extracted

Family

redline

Botnet

ruma

C2

193.233.20.13:4136

Attributes
  • auth_value

    647d00dfaba082a4a30f383bca5d1a2a

Extracted

Family

redline

Botnet

cr10

C2

176.113.115.17:4132

Attributes
  • auth_value

    0a52a09c70a98bb6612362e5eb8b1d02

Extracted

Family

redline

Botnet

dubka

C2

193.233.20.13:4136

Attributes
  • auth_value

    e5a9421183a033f283b2f23139b471f0

Targets

    • Target

      a35d7021023d811fad337c9c42f49837.exe

    • Size

      740KB

    • MD5

      a35d7021023d811fad337c9c42f49837

    • SHA1

      e1d6a58dc61ea3edd658d5c0d49300b6739a04e4

    • SHA256

      e9d1df7bf986c1e6ea28266c075b19598edcd6c3d20e0d57968f27263d2edb3a

    • SHA512

      2a5f35e73ecd17fd37a52d61d2429fd7c4dc83f5a1175c83fedd7eb0be80822ffaec61631531a643dc9c7c5576efe4ef0e1ae93211f0eec5c25fd1777ce8db48

    • SSDEEP

      12288:5Mrgy90FPx6i7cF7EMtDhkG7d3EP4DbVd3+uR3T6lXoX5rv3QrcGA1IBQTj5R8nE:FysQi7PMtlkGR0gDJ134XoX5TAKIBQBd

    • 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

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks