General

  • Target

    Setup 2.exe

  • Size

    9KB

  • Sample

    220910-wv9rjaadh6

  • MD5

    c2c84226444eb2597f9b000bb59d2db7

  • SHA1

    e9eb9b080059e7ee92c28debbbfcd3560d93f2a2

  • SHA256

    86e79986dc2a94049d06e9501a21d541fdaada04e47e7bf49aaa04bc0479f710

  • SHA512

    fb054e6c659c487fcb86f49798cf59063a86a102fc2af24ecf589c09e9eaae2f253d5e7b533e2133321bb4dfe88ecf71e0cafd1678bcf44a3c3eb4605fc66cc7

  • SSDEEP

    192:JAPr/j+peQbAINi7RrKBAPTXrWfYVjlM4mIgV:yD/j+8QbAT7Rr8sTXCQvcIg

Malware Config

Extracted

Family

redline

C2

45.138.74.121:80

Attributes
  • auth_value

    789c24c515d0ca3018de8d8c611caf08

Targets

    • Target

      Setup 2.exe

    • Size

      9KB

    • MD5

      c2c84226444eb2597f9b000bb59d2db7

    • SHA1

      e9eb9b080059e7ee92c28debbbfcd3560d93f2a2

    • SHA256

      86e79986dc2a94049d06e9501a21d541fdaada04e47e7bf49aaa04bc0479f710

    • SHA512

      fb054e6c659c487fcb86f49798cf59063a86a102fc2af24ecf589c09e9eaae2f253d5e7b533e2133321bb4dfe88ecf71e0cafd1678bcf44a3c3eb4605fc66cc7

    • SSDEEP

      192:JAPr/j+peQbAINi7RrKBAPTXrWfYVjlM4mIgV:yD/j+8QbAT7Rr8sTXCQvcIg

    • RedLine

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

    • RedLine payload

    • YTStealer

      YTStealer is a malware designed to steal YouTube authentication cookies.

    • YTStealer payload

    • Downloads MZ/PE file

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Checks computer location settings

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

    • Deletes itself

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Tasks