General

  • Target

    08031399.exe

  • Size

    1.1MB

  • Sample

    230528-wqdhjaga95

  • MD5

    033b5a43d82fd615986e9fea7d8a8e6c

  • SHA1

    368dae1edf4c5c6935ac41d938cc6c9e92c0e4aa

  • SHA256

    acf2e5e45baa4b9a72f8a559639102a75224927a2fb75133d3cbab08de6a278a

  • SHA512

    3d0ef172b0ef7b510315a27b230ed1ff161e31c5cd2aa95377a410ea96ccf9efb3bf6cd6e321cb783e0ce9af7c57b0235f93e7e0cc0452a0feef14e01ed7eb3f

  • SSDEEP

    24576:FynyJ2BKsjvaXXm1MFN7tKDbJdkEybz+7DL6:gyMBLvaHNjtKD52+7

Malware Config

Extracted

Family

redline

Botnet

liza

C2

83.97.73.127:19045

Attributes
  • auth_value

    198e3e9b188d6cfab0a2b0fb100bb7c5

Extracted

Family

redline

Botnet

metro

C2

83.97.73.127:19045

Attributes
  • auth_value

    f7fd4aa816bdbaad933b45b51d9b6b1a

Extracted

Family

redline

Botnet

Redline

C2

85.31.54.183:18435

Attributes
  • auth_value

    50837656cba6e4dd56bfbb4a61dadb63

Targets

    • Target

      08031399.exe

    • Size

      1.1MB

    • MD5

      033b5a43d82fd615986e9fea7d8a8e6c

    • SHA1

      368dae1edf4c5c6935ac41d938cc6c9e92c0e4aa

    • SHA256

      acf2e5e45baa4b9a72f8a559639102a75224927a2fb75133d3cbab08de6a278a

    • SHA512

      3d0ef172b0ef7b510315a27b230ed1ff161e31c5cd2aa95377a410ea96ccf9efb3bf6cd6e321cb783e0ce9af7c57b0235f93e7e0cc0452a0feef14e01ed7eb3f

    • SSDEEP

      24576:FynyJ2BKsjvaXXm1MFN7tKDbJdkEybz+7DL6:gyMBLvaHNjtKD52+7

    • Modifies Windows Defender Real-time Protection settings

    • 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

    • 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

    • 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

2
T1112

Disabling Security Tools

1
T1089

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Tasks