General

  • Target

    FORTNITE-03-14-2

  • Size

    5KB

  • Sample

    230403-n6s9xsee38

  • MD5

    c21af1dbcf4926583a7214ad933bc847

  • SHA1

    da3625bccfd9aafa98b1cac7d40e936eb265cfd2

  • SHA256

    0748771775b1c89525067071b0996a9a7a3eda72d055ca74c185cdcba57715c0

  • SHA512

    1ceec19f5fcce45ed9d1e6f19852e23b02b8be80f50239a6ff4cc31d96252eb1f0a58fe9e37180419cdfec8674686e9eb6741d322d4263701eb2897ee5d80f95

  • SSDEEP

    96:9suWzV3JLNDg3czfj1Z/I+jYpyuIPJjeIJumKEm2PVW:Yl715o6JjeeuUg

Malware Config

Extracted

Family

redline

C2

176.113.115.24:37118

Attributes
  • auth_value

    36e686a8e656af155d023649076d8e15

Targets

    • Target

      FORTNITE-03-14-2

    • Size

      5KB

    • MD5

      c21af1dbcf4926583a7214ad933bc847

    • SHA1

      da3625bccfd9aafa98b1cac7d40e936eb265cfd2

    • SHA256

      0748771775b1c89525067071b0996a9a7a3eda72d055ca74c185cdcba57715c0

    • SHA512

      1ceec19f5fcce45ed9d1e6f19852e23b02b8be80f50239a6ff4cc31d96252eb1f0a58fe9e37180419cdfec8674686e9eb6741d322d4263701eb2897ee5d80f95

    • SSDEEP

      96:9suWzV3JLNDg3czfj1Z/I+jYpyuIPJjeIJumKEm2PVW:Yl715o6JjeeuUg

    • RedLine

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

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

    • Registers COM server for autorun

    • 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.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Command-Line Interface

1
T1059

Persistence

Change Default File Association

1
T1042

Registry Run Keys / Startup Folder

2
T1060

Bootkit

1
T1067

Defense Evasion

Modify Registry

3
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Tasks