General

  • Target

    92946ded194ae05271a31cc00bf640d529e94836e04dd5a40ae9c3998d8ec4c7

  • Size

    1.8MB

  • Sample

    220501-tnh9wsdgb3

  • MD5

    77049b673282808ae02efe1bd7a6c622

  • SHA1

    5a08a9ca7dd3e2df9f67602c38f06ef69add7879

  • SHA256

    92946ded194ae05271a31cc00bf640d529e94836e04dd5a40ae9c3998d8ec4c7

  • SHA512

    391bfe8a5cfd723280a5f6f7d2505f55b53ac4666ae58b9f0b5605cbe2e43cec79f16e985585d312aa4b10bee0b9d3fcedfec6376f26507d34582b133fdd1b91

Malware Config

Extracted

Family

redline

C2

91.243.59.131:7171

Attributes
  • auth_value

    77d52fa3ac2b0c0a51038e1264bbe9ac

Targets

    • Target

      92946ded194ae05271a31cc00bf640d529e94836e04dd5a40ae9c3998d8ec4c7

    • Size

      1.8MB

    • MD5

      77049b673282808ae02efe1bd7a6c622

    • SHA1

      5a08a9ca7dd3e2df9f67602c38f06ef69add7879

    • SHA256

      92946ded194ae05271a31cc00bf640d529e94836e04dd5a40ae9c3998d8ec4c7

    • SHA512

      391bfe8a5cfd723280a5f6f7d2505f55b53ac4666ae58b9f0b5605cbe2e43cec79f16e985585d312aa4b10bee0b9d3fcedfec6376f26507d34582b133fdd1b91

    • Modifies security service

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine Payload

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Possible privilege escalation attempt

    • Stops running service(s)

    • Modifies file permissions

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

2
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

3
T1112

Impair Defenses

1
T1562

File Permissions Modification

1
T1222

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Impact

Service Stop

1
T1489

Tasks