General

  • Target

    6dd512770e8a2ffdf6c66627d1f07a3095945377b93452e2c3984b470095c8a6

  • Size

    625KB

  • Sample

    230604-s25jlsce97

  • MD5

    ed5c00442820d39ea88418c3bcc3360f

  • SHA1

    d744b4525edc6334a76272deb3cfa54d1935217f

  • SHA256

    6dd512770e8a2ffdf6c66627d1f07a3095945377b93452e2c3984b470095c8a6

  • SHA512

    676412028dcd437555dc78fb1f5ff2dbff28b7e5e55d6d68fe57494ace67fa6fe0bd8f657d0934bea955aa0410d29359ad6607c103d1da42eca8176a1513c1f8

  • SSDEEP

    12288:kMrfy90G0USFm3kUp4+0cYyVg+G75ty1NiP20vcFNNrQChkr6g:DyZdTlAta4XcFnrQ1

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

      6dd512770e8a2ffdf6c66627d1f07a3095945377b93452e2c3984b470095c8a6

    • Size

      625KB

    • MD5

      ed5c00442820d39ea88418c3bcc3360f

    • SHA1

      d744b4525edc6334a76272deb3cfa54d1935217f

    • SHA256

      6dd512770e8a2ffdf6c66627d1f07a3095945377b93452e2c3984b470095c8a6

    • SHA512

      676412028dcd437555dc78fb1f5ff2dbff28b7e5e55d6d68fe57494ace67fa6fe0bd8f657d0934bea955aa0410d29359ad6607c103d1da42eca8176a1513c1f8

    • SSDEEP

      12288:kMrfy90G0USFm3kUp4+0cYyVg+G75ty1NiP20vcFNNrQChkr6g:DyZdTlAta4XcFnrQ1

    • 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