General

  • Target

    4c4cb876d0df0d20dcbee9a93904d9b02345b5cf6f8053904ec835c7c975864b

  • Size

    778KB

  • Sample

    230603-lm6d2agd55

  • MD5

    8062f85da1f3ff2cd86e1f2fa89e6523

  • SHA1

    7587fd9f4df1ba5705976f4a2a7a955319284080

  • SHA256

    4c4cb876d0df0d20dcbee9a93904d9b02345b5cf6f8053904ec835c7c975864b

  • SHA512

    40922c5bdf56ed8775ee6705271be6c3ffd2a232d8aa652bc1a47563d85d30a69cb7284e266e7e0bb5a21f2727caa0e31c99a69258b9f83a7f9a6120b920d9e2

  • SSDEEP

    12288:BMrty90nsmtWwwk4R3zF6kkfWTlSIeBbVQc2rc8AedfmDvRY0pMP5f8mp:cyMXrl4tzF3k6ibmc2rzvGvfpM18mp

Malware Config

Extracted

Family

redline

Botnet

maxi

C2

83.97.73.126:19046

Attributes
  • auth_value

    6a3f22e5f4209b056a3fd330dc71956a

Extracted

Family

redline

Botnet

metro

C2

83.97.73.126:19046

Attributes
  • auth_value

    f7fd4aa816bdbaad933b45b51d9b6b1a

Targets

    • Target

      4c4cb876d0df0d20dcbee9a93904d9b02345b5cf6f8053904ec835c7c975864b

    • Size

      778KB

    • MD5

      8062f85da1f3ff2cd86e1f2fa89e6523

    • SHA1

      7587fd9f4df1ba5705976f4a2a7a955319284080

    • SHA256

      4c4cb876d0df0d20dcbee9a93904d9b02345b5cf6f8053904ec835c7c975864b

    • SHA512

      40922c5bdf56ed8775ee6705271be6c3ffd2a232d8aa652bc1a47563d85d30a69cb7284e266e7e0bb5a21f2727caa0e31c99a69258b9f83a7f9a6120b920d9e2

    • SSDEEP

      12288:BMrty90nsmtWwwk4R3zF6kkfWTlSIeBbVQc2rc8AedfmDvRY0pMP5f8mp:cyMXrl4tzF3k6ibmc2rzvGvfpM18mp

    • 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