General

  • Target

    b4ac718c40662abd179030f497c3a40dfefd875fcb275124ce9e2a9b4a643d80

  • Size

    539KB

  • Sample

    230324-n9f4rseb83

  • MD5

    095c7c82a98489aeaef0f462964fc198

  • SHA1

    4f3d7c21582c06b41356b4c519f5e345e5f78d78

  • SHA256

    b4ac718c40662abd179030f497c3a40dfefd875fcb275124ce9e2a9b4a643d80

  • SHA512

    dc3c8c67dba79bd2510d3c806fa8bbd7c254ec7fc548c5f732870fc0de795a3fa3b751a09b924a7dbb6afa32cb413cf19468103033197ffdbf975040973b164d

  • SSDEEP

    12288:IMr0y90DLuKVKBSWHqqjVNw9UyNQCQdgAa1YW:My+rEBFqqBiNodgv2W

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

      b4ac718c40662abd179030f497c3a40dfefd875fcb275124ce9e2a9b4a643d80

    • Size

      539KB

    • MD5

      095c7c82a98489aeaef0f462964fc198

    • SHA1

      4f3d7c21582c06b41356b4c519f5e345e5f78d78

    • SHA256

      b4ac718c40662abd179030f497c3a40dfefd875fcb275124ce9e2a9b4a643d80

    • SHA512

      dc3c8c67dba79bd2510d3c806fa8bbd7c254ec7fc548c5f732870fc0de795a3fa3b751a09b924a7dbb6afa32cb413cf19468103033197ffdbf975040973b164d

    • SSDEEP

      12288:IMr0y90DLuKVKBSWHqqjVNw9UyNQCQdgAa1YW:My+rEBFqqBiNodgv2W

    • 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