General

  • Target

    baf36ef90cc9d7bad2fe8e4d4d3b9cbb7567f1b0333f034924009ab26fcc0f16.exe

  • Size

    1.1MB

  • Sample

    230514-w52tnsfa5z

  • MD5

    f1ea2c0511d681d500a4e365f29a163d

  • SHA1

    fc6a5ef033a015d2598f78db21d43d9b63453f6d

  • SHA256

    baf36ef90cc9d7bad2fe8e4d4d3b9cbb7567f1b0333f034924009ab26fcc0f16

  • SHA512

    49d84ef52cce72dd23754cd6ec183e084a3f698c731de16b0752dc8341b52b030320270a74b58c6c849cef62425195b9ffe3b2e2b7b823775bcdbe7e0b0904f5

  • SSDEEP

    24576:LydG5jN0v56FTTI6wed70/fRHnPCkStFcRxQVWkW/loHSZCbZiXaw:+dG55I5ITb0l6N3Vl6aHUCbv

Malware Config

Extracted

Family

redline

Botnet

messi

C2

185.161.248.75:4132

Attributes
  • auth_value

    b602b28664bb738e322d37baab91db28

Extracted

Family

redline

Botnet

warum

C2

185.161.248.75:4132

Attributes
  • auth_value

    0bdb2dda91dadc65f555dee088a6a2a4

Targets

    • Target

      baf36ef90cc9d7bad2fe8e4d4d3b9cbb7567f1b0333f034924009ab26fcc0f16.exe

    • Size

      1.1MB

    • MD5

      f1ea2c0511d681d500a4e365f29a163d

    • SHA1

      fc6a5ef033a015d2598f78db21d43d9b63453f6d

    • SHA256

      baf36ef90cc9d7bad2fe8e4d4d3b9cbb7567f1b0333f034924009ab26fcc0f16

    • SHA512

      49d84ef52cce72dd23754cd6ec183e084a3f698c731de16b0752dc8341b52b030320270a74b58c6c849cef62425195b9ffe3b2e2b7b823775bcdbe7e0b0904f5

    • SSDEEP

      24576:LydG5jN0v56FTTI6wed70/fRHnPCkStFcRxQVWkW/loHSZCbZiXaw:+dG55I5ITb0l6N3Vl6aHUCbv

    • 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.

    • Windows security modification

    • 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

3
T1112

Disabling Security Tools

2
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