General

  • Target

    F1E1B516A83F303659E53D513C9C3DA9DFD466F40B96F.exe

  • Size

    3.3MB

  • Sample

    220813-g67zraefan

  • MD5

    65c3dba524c72f89b18636c8da76a6b3

  • SHA1

    0de63f57cc605470c584cd4b2eeaa5100e30a670

  • SHA256

    f1e1b516a83f303659e53d513c9c3da9dfd466f40b96f8de86ca37ce9544d234

  • SHA512

    7e38393779623036242ae2980f42f6eab3cc7ff96e20904a16e78965f914a8c5b20d195f8a8beb7aa5ce3b3231dfdf8496e4ad88d1f64ab6ac729a7fb4fdebef

Malware Config

Extracted

Family

redline

Botnet

OLKani

C2

ataninamei.xyz:80

Extracted

Family

redline

Botnet

nam3

C2

103.89.90.61:34589

Attributes
  • auth_value

    64b900120bbceaa6a9c60e9079492895

Extracted

Family

redline

Botnet

5

C2

176.113.115.146:9582

Attributes
  • auth_value

    d38b30c1ccd6c1e5088d9e5bd9e51b0f

Extracted

Family

redline

Botnet

5076357887

C2

195.54.170.157:16525

Attributes
  • auth_value

    0dfaff60271d374d0c206d19883e06f3

Extracted

Family

redline

Botnet

RuXaRR_GG

C2

insttaller.com:40915

Attributes
  • auth_value

    4a733ff307847db3ee220c11d113a305

Extracted

Family

redline

Botnet

@tag12312341

C2

62.204.41.144:14096

Attributes
  • auth_value

    71466795417275fac01979e57016e277

Targets

    • Target

      F1E1B516A83F303659E53D513C9C3DA9DFD466F40B96F.exe

    • Size

      3.3MB

    • MD5

      65c3dba524c72f89b18636c8da76a6b3

    • SHA1

      0de63f57cc605470c584cd4b2eeaa5100e30a670

    • SHA256

      f1e1b516a83f303659e53d513c9c3da9dfd466f40b96f8de86ca37ce9544d234

    • SHA512

      7e38393779623036242ae2980f42f6eab3cc7ff96e20904a16e78965f914a8c5b20d195f8a8beb7aa5ce3b3231dfdf8496e4ad88d1f64ab6ac729a7fb4fdebef

    • Modifies Windows Defender Real-time Protection settings

    • PrivateLoader

      PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

    • RedLine

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

    • RedLine payload

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • 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

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Disabling Security Tools

1
T1089

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks