General

  • Target

    320F0032704DEA1152C5880DEF04E61E.exe

  • Size

    2.3MB

  • Sample

    210503-ah5gcvsnqn

  • MD5

    320f0032704dea1152c5880def04e61e

  • SHA1

    6dd5462a765375ab6d8720263aebe4b37c9b17d2

  • SHA256

    8d730630389f403985ddbff2c9617c9b9ca9fd4ad0c9ee5d9fceeecc44356340

  • SHA512

    99ed916a76ecd3c898afff7d287e95cbd985f22b3c99999396de5e5c4ebc99c1e020309fede213cdb4a2a4c2523b521b4803c396089424ee21ac20a88eea701d

Malware Config

Extracted

Family

redline

Botnet

4/28

C2

157.90.162.135:35200

Targets

    • Target

      320F0032704DEA1152C5880DEF04E61E.exe

    • Size

      2.3MB

    • MD5

      320f0032704dea1152c5880def04e61e

    • SHA1

      6dd5462a765375ab6d8720263aebe4b37c9b17d2

    • SHA256

      8d730630389f403985ddbff2c9617c9b9ca9fd4ad0c9ee5d9fceeecc44356340

    • SHA512

      99ed916a76ecd3c898afff7d287e95cbd985f22b3c99999396de5e5c4ebc99c1e020309fede213cdb4a2a4c2523b521b4803c396089424ee21ac20a88eea701d

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • RedLine Payload

    • Turns off Windows Defender SpyNet reporting

    • Windows security bypass

    • Nirsoft

    • 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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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

Persistence

Modify Existing Service

1
T1031

Defense Evasion

Modify Registry

4
T1112

Disabling Security Tools

4
T1089

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

2
T1005

Tasks