General

  • Target

    02106599.exe

  • Size

    1.0MB

  • Sample

    230529-xsswnsdb56

  • MD5

    dc6c6c4899b4fdd83a69b0fa4e4b1863

  • SHA1

    7121a1516bbcead5d78d203fffa0c7d8eec2c409

  • SHA256

    c49bfab1aed09caa04a956af4a8479e9167cd6cd1ca853d67ec9895ad36d6ee9

  • SHA512

    d8980306d67825726fefe42d40b8d3611a40735bdc8b0b7d33a582b64529ed5ddfac8c942dcdc0a621b88ed81fcf95fe178dd2a3a4355c4297b014bc123a2203

  • SSDEEP

    24576:0yVRK+lCxiBlTS1qaiD7wyaALkoAkTGEEAYZvcyRKCPEe:DVbcxijvdg7IKkX2v1RKCc

Malware Config

Extracted

Family

redline

Botnet

lizsa

C2

83.97.73.127:19045

Attributes
  • auth_value

    44b0b71b36e78465dbdebb4ecfb78b77

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

      02106599.exe

    • Size

      1.0MB

    • MD5

      dc6c6c4899b4fdd83a69b0fa4e4b1863

    • SHA1

      7121a1516bbcead5d78d203fffa0c7d8eec2c409

    • SHA256

      c49bfab1aed09caa04a956af4a8479e9167cd6cd1ca853d67ec9895ad36d6ee9

    • SHA512

      d8980306d67825726fefe42d40b8d3611a40735bdc8b0b7d33a582b64529ed5ddfac8c942dcdc0a621b88ed81fcf95fe178dd2a3a4355c4297b014bc123a2203

    • SSDEEP

      24576:0yVRK+lCxiBlTS1qaiD7wyaALkoAkTGEEAYZvcyRKCPEe:DVbcxijvdg7IKkX2v1RKCc

    • 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.

    • 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

1
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Tasks