General

  • Target

    b813ab98e1c4db2d9cadd692ebdfc632c34aa8c8f5ef99efff909d3f12e65b79

  • Size

    540KB

  • Sample

    230324-m94pdsdh38

  • MD5

    8d1821f955af7a44d79d747d7e73eb92

  • SHA1

    c4eb6280e5a3098d23fd8415c11c224ba15f02d9

  • SHA256

    b813ab98e1c4db2d9cadd692ebdfc632c34aa8c8f5ef99efff909d3f12e65b79

  • SHA512

    24d0505d68871bfb32ecaeb85bc7e33120ebb66bb734a43ef18ee22eaac5e581eda961d2c198f537dfc8214fb75ac4f23ca490874e058c5e18ebf636a36d5742

  • SSDEEP

    12288:9Mr5y907+goQGherXUNqfLgsxhAiQhyJorI9F4nz:ky2+goNhkOqfLhhqnz

Malware Config

Extracted

Family

redline

Botnet

down

C2

193.233.20.31:4125

Attributes
  • auth_value

    12c31a90c72f5efae8c053a0bd339381

Extracted

Family

redline

Botnet

hero

C2

193.233.20.31:4125

Attributes
  • auth_value

    11f3c75a88ca461bcc8d6bf60a1193e3

Targets

    • Target

      b813ab98e1c4db2d9cadd692ebdfc632c34aa8c8f5ef99efff909d3f12e65b79

    • Size

      540KB

    • MD5

      8d1821f955af7a44d79d747d7e73eb92

    • SHA1

      c4eb6280e5a3098d23fd8415c11c224ba15f02d9

    • SHA256

      b813ab98e1c4db2d9cadd692ebdfc632c34aa8c8f5ef99efff909d3f12e65b79

    • SHA512

      24d0505d68871bfb32ecaeb85bc7e33120ebb66bb734a43ef18ee22eaac5e581eda961d2c198f537dfc8214fb75ac4f23ca490874e058c5e18ebf636a36d5742

    • SSDEEP

      12288:9Mr5y907+goQGherXUNqfLgsxhAiQhyJorI9F4nz:ky2+goNhkOqfLhhqnz

    • 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