General

  • Target

    4e4ea1433849ddf717467b3d7b52ac25e43f7db7adcb19526915a525f836a796

  • Size

    779KB

  • Sample

    230603-l9cp8sgg8z

  • MD5

    eea0a2bbeed89e636eee51a91bb3b0e8

  • SHA1

    1f11ac35b1b8b3f8b791b896a7194fc37be2d549

  • SHA256

    4e4ea1433849ddf717467b3d7b52ac25e43f7db7adcb19526915a525f836a796

  • SHA512

    2597c3b6cd040995f2bd5a282d6e33c990847e7a27a949e361f83be6f776ae5ff6f7203a3d87e4da1f62f6bfab6e29235acd1154ccc2b72daf3eb2734e79c978

  • SSDEEP

    12288:3Mrdy90g70Y06pAvmJdq8ig/apBh5U96Ws18jqIfdM7+iBFDg4l4YP5PfYjtnNVM:myNmHcigyx5xzm2If6nl4G5qtnN+mG

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

      4e4ea1433849ddf717467b3d7b52ac25e43f7db7adcb19526915a525f836a796

    • Size

      779KB

    • MD5

      eea0a2bbeed89e636eee51a91bb3b0e8

    • SHA1

      1f11ac35b1b8b3f8b791b896a7194fc37be2d549

    • SHA256

      4e4ea1433849ddf717467b3d7b52ac25e43f7db7adcb19526915a525f836a796

    • SHA512

      2597c3b6cd040995f2bd5a282d6e33c990847e7a27a949e361f83be6f776ae5ff6f7203a3d87e4da1f62f6bfab6e29235acd1154ccc2b72daf3eb2734e79c978

    • SSDEEP

      12288:3Mrdy90g70Y06pAvmJdq8ig/apBh5U96Ws18jqIfdM7+iBFDg4l4YP5PfYjtnNVM:myNmHcigyx5xzm2If6nl4G5qtnN+mG

    • 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