General

  • Target

    07746499.exe

  • Size

    779KB

  • Sample

    230603-kkrx7age6w

  • MD5

    629a477b41946d573788503dd352c622

  • SHA1

    30a7daab80881c9879f3a7fd9f52106771f38b1d

  • SHA256

    049d829ce44d994dff3e10fba75e5784203c4a4b07ff01d9c3885d366f4695e8

  • SHA512

    c28e6ae071f482f5b842c1336a5d6d58dcc107bf28eb9dd7fb3c64cf28b60f90f551b865b478bd02602a8361df079b03a9b74c4bdc9c523e43349ffbbd76d527

  • SSDEEP

    12288:1MrTy90JVYAq0LDqM3xDCdUOXJLGMa0YdOcowNbXaUvRT0aMP26ldk1g:qyCYgiM3luUO5O0YdO7CVvOaMZldx

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

      07746499.exe

    • Size

      779KB

    • MD5

      629a477b41946d573788503dd352c622

    • SHA1

      30a7daab80881c9879f3a7fd9f52106771f38b1d

    • SHA256

      049d829ce44d994dff3e10fba75e5784203c4a4b07ff01d9c3885d366f4695e8

    • SHA512

      c28e6ae071f482f5b842c1336a5d6d58dcc107bf28eb9dd7fb3c64cf28b60f90f551b865b478bd02602a8361df079b03a9b74c4bdc9c523e43349ffbbd76d527

    • SSDEEP

      12288:1MrTy90JVYAq0LDqM3xDCdUOXJLGMa0YdOcowNbXaUvRT0aMP26ldk1g:qyCYgiM3luUO5O0YdO7CVvOaMZldx

    • 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