General

  • Target

    41f6fa0bcb7ebbf71ba9f7bad407648e.bin

  • Size

    1.1MB

  • Sample

    230516-bgnlxshd4x

  • MD5

    82c1e8557ad137cbba02ef23c5d8c573

  • SHA1

    9bb35dbd6551a2d90de0b49883c2731047474cb1

  • SHA256

    752561e30da0f1810e511d4a3267144072a8bd7cdc32ab0bbe700fefb3e3c605

  • SHA512

    58b95b7400332a362819d01627de5e2d1702c5f0363f3e896f9d1e73e33f8024897e0e7fc84bdb0c44019aa648f70a9ca8f3f0433aaafa4f8cdc7577a6374607

  • SSDEEP

    24576:mVT4DwSLvE4TNYOby8EJFJMF2X7SjnqEnIvKzw:m8hvFNYObqSY7MnqWU1

Malware Config

Extracted

Family

redline

Botnet

luka

C2

185.161.248.75:4132

Attributes
  • auth_value

    44560bcd37d6bf076da309730fdb519a

Extracted

Family

redline

Botnet

terra

C2

185.161.248.75:4132

Attributes
  • auth_value

    60df3f535f8aa4e264f78041983592d2

Targets

    • Target

      ff6f9e2634dbeeeaded817e008e7dbe487c316a7546093de3fee20dfbc21b4bf.exe

    • Size

      1.1MB

    • MD5

      41f6fa0bcb7ebbf71ba9f7bad407648e

    • SHA1

      c9947b3e67322b76afcc8a533fb481d73ae61b1c

    • SHA256

      ff6f9e2634dbeeeaded817e008e7dbe487c316a7546093de3fee20dfbc21b4bf

    • SHA512

      2d414a953c012b57c5e4cc38fc862d7540e2da472957d69e9d55b7c1a760f8b105e4c49bfaf8c11641fa6fe858d989284b3fe30b612350fb6152caf5e707f906

    • SSDEEP

      24576:byYK08jGLtsa5+k8WXxRYb04Qg43+F5yzmqRHtRk6g5w:OYBsatv5L1x14UiumYHIv5

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • 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 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

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Tasks