General

  • Target

    5fce4b4a9c7c6a3d26b89462b324d5918a79123cf621532cef1e1d3b8a8e1d3b

  • Size

    538KB

  • Sample

    230324-me273sdf53

  • MD5

    85dc8f374339d58bd62df44476340a85

  • SHA1

    b5a4230a0ead462acf3e5e2018490590e8671b3f

  • SHA256

    5fce4b4a9c7c6a3d26b89462b324d5918a79123cf621532cef1e1d3b8a8e1d3b

  • SHA512

    ed8da0b2562b8668fb1a8837f89ed776960c5250971706934f074e52d7d36598e3d4bab004a2cacddcdac505669e4ed9967980f213e8d7bd91917a04bc1b4543

  • SSDEEP

    12288:wMrMy90T9Z+8bFApVPluDre7YSx2I4+9VSEA49IRFE:syAZtFYKDC7YCvbq4eE

Malware Config

Extracted

Family

redline

Botnet

down

C2

193.233.20.31:4125

Attributes
  • auth_value

    12c31a90c72f5efae8c053a0bd339381

Extracted

Family

redline

Botnet

bolt

C2

193.233.20.31:4125

Attributes
  • auth_value

    29540c7bf0277243e2faf6601e15a754

Targets

    • Target

      5fce4b4a9c7c6a3d26b89462b324d5918a79123cf621532cef1e1d3b8a8e1d3b

    • Size

      538KB

    • MD5

      85dc8f374339d58bd62df44476340a85

    • SHA1

      b5a4230a0ead462acf3e5e2018490590e8671b3f

    • SHA256

      5fce4b4a9c7c6a3d26b89462b324d5918a79123cf621532cef1e1d3b8a8e1d3b

    • SHA512

      ed8da0b2562b8668fb1a8837f89ed776960c5250971706934f074e52d7d36598e3d4bab004a2cacddcdac505669e4ed9967980f213e8d7bd91917a04bc1b4543

    • SSDEEP

      12288:wMrMy90T9Z+8bFApVPluDre7YSx2I4+9VSEA49IRFE:syAZtFYKDC7YCvbq4eE

    • 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