General

  • Target

    be61b0e11878b01cdf9161f2cd9a799afb2b78e19dcbd557b8138848df38be3b.exe

  • Size

    1.1MB

  • Sample

    230514-w53e7scg45

  • MD5

    47f93fc511264f2ce81bd39ebbcfd134

  • SHA1

    55bb471d491022e9f1a503a9c31782d39e2b8ad5

  • SHA256

    be61b0e11878b01cdf9161f2cd9a799afb2b78e19dcbd557b8138848df38be3b

  • SHA512

    acf5e9d642bb8e2cb84b6b653358c9428d99e7775328a29fe4e295d7223761cad62d0b145cf642a7bb9a61f91e7205b77f082e213d7e3e7517f75f77f14cafdd

  • SSDEEP

    24576:ryXrcJ6Sc+wUB8HQ0GWqEef/4NJaGOTS9cqxhc1HUx8s/w8T56:ebcJ6SEUCQHtf/IJaGOTNqx83s/w8T

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

Extracted

Family

redline

Botnet

GOVNISH

C2

94.142.138.219:20936

Attributes
  • auth_value

    3724ec7b213c9f4bd81d275dd597a33d

Targets

    • Target

      be61b0e11878b01cdf9161f2cd9a799afb2b78e19dcbd557b8138848df38be3b.exe

    • Size

      1.1MB

    • MD5

      47f93fc511264f2ce81bd39ebbcfd134

    • SHA1

      55bb471d491022e9f1a503a9c31782d39e2b8ad5

    • SHA256

      be61b0e11878b01cdf9161f2cd9a799afb2b78e19dcbd557b8138848df38be3b

    • SHA512

      acf5e9d642bb8e2cb84b6b653358c9428d99e7775328a29fe4e295d7223761cad62d0b145cf642a7bb9a61f91e7205b77f082e213d7e3e7517f75f77f14cafdd

    • SSDEEP

      24576:ryXrcJ6Sc+wUB8HQ0GWqEef/4NJaGOTS9cqxhc1HUx8s/w8T56:ebcJ6SEUCQHtf/IJaGOTNqx83s/w8T

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • 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

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • 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

2
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks