General

  • Target

    dd7d27a3cc593bfb0eb6dd692a9263378712db65adf3280303428e9bff3308b0

  • Size

    624KB

  • Sample

    230604-rxvm6scd86

  • MD5

    4e39c5e601ad35d3139d3373f60fcca5

  • SHA1

    c7d31d8d0348d2a39061ab2bee6f96f5932598db

  • SHA256

    dd7d27a3cc593bfb0eb6dd692a9263378712db65adf3280303428e9bff3308b0

  • SHA512

    1402fd230b76ba13cc61b57331574d9117432c7553aeb732db0cfdd1839e51095f985d9a0027d2df92730eba51f782a4d91a7eeb586f8ce8b3a2fc5aaa81c39e

  • SSDEEP

    12288:IMrVy90uS+5ictvlAPx0BnPyMWI+pUXWCccmlhxBit8QSPG8RKGWkJKZ:9yTHNlAPx0Bna9I+plx00P5on

Malware Config

Extracted

Family

redline

Botnet

dusa

C2

83.97.73.126:19046

Attributes
  • auth_value

    ee896466545fedf9de5406175fb82de5

Extracted

Family

redline

Botnet

brain

C2

83.97.73.126:19046

Attributes
  • auth_value

    5fb8269baadec0c49899b9a7a0c8851f

Targets

    • Target

      dd7d27a3cc593bfb0eb6dd692a9263378712db65adf3280303428e9bff3308b0

    • Size

      624KB

    • MD5

      4e39c5e601ad35d3139d3373f60fcca5

    • SHA1

      c7d31d8d0348d2a39061ab2bee6f96f5932598db

    • SHA256

      dd7d27a3cc593bfb0eb6dd692a9263378712db65adf3280303428e9bff3308b0

    • SHA512

      1402fd230b76ba13cc61b57331574d9117432c7553aeb732db0cfdd1839e51095f985d9a0027d2df92730eba51f782a4d91a7eeb586f8ce8b3a2fc5aaa81c39e

    • SSDEEP

      12288:IMrVy90uS+5ictvlAPx0BnPyMWI+pUXWCccmlhxBit8QSPG8RKGWkJKZ:9yTHNlAPx0Bna9I+plx00P5on

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • 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