General

  • Target

    a45bfcdf54d2cf1587e40421cd86eaba13476b6b9a611f70a579a1e9cd212389

  • Size

    624KB

  • Sample

    230604-tanbpacf36

  • MD5

    3245265bbb8716d26e2ef71b93d0ff8a

  • SHA1

    cb0217e9b844b7cbc5af427dde625ef6a64bb6e7

  • SHA256

    a45bfcdf54d2cf1587e40421cd86eaba13476b6b9a611f70a579a1e9cd212389

  • SHA512

    60cada80b838c9f31d46bf691fc1fc75a69a5b3ad246b55afc9cbad4d151dedef66ec8969bfb4e7e33b039cedb1965937ffca88edda0cf875ef5edc2458e1796

  • SSDEEP

    12288:oMrIy90gmTQx3XJ3a+s/yZc5bxWEAt4g6ro2uX6JMI0zsR5vm/WyA:gy1Znk//y25b60roLmQzEIWX

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

      a45bfcdf54d2cf1587e40421cd86eaba13476b6b9a611f70a579a1e9cd212389

    • Size

      624KB

    • MD5

      3245265bbb8716d26e2ef71b93d0ff8a

    • SHA1

      cb0217e9b844b7cbc5af427dde625ef6a64bb6e7

    • SHA256

      a45bfcdf54d2cf1587e40421cd86eaba13476b6b9a611f70a579a1e9cd212389

    • SHA512

      60cada80b838c9f31d46bf691fc1fc75a69a5b3ad246b55afc9cbad4d151dedef66ec8969bfb4e7e33b039cedb1965937ffca88edda0cf875ef5edc2458e1796

    • SSDEEP

      12288:oMrIy90gmTQx3XJ3a+s/yZc5bxWEAt4g6ro2uX6JMI0zsR5vm/WyA:gy1Znk//y25b60roLmQzEIWX

    • 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