General

  • Target

    4492863fa654c0b9ecca4e878331fe522067fc7b61496720c74da28b1d628338

  • Size

    928KB

  • Sample

    220815-g7v2ksfcgp

  • MD5

    6e9c5512669fc9763cca768aae94da07

  • SHA1

    22e8dab76231e39c4fd259c18af0947f7dbe73ad

  • SHA256

    4492863fa654c0b9ecca4e878331fe522067fc7b61496720c74da28b1d628338

  • SHA512

    2154f4df798b66a117634d2b9b0551a2aea3715f6a3cde133ff93feee0c2113b2c8494356d2817e4df52e1ee788b8149e476679ddb78d71006e629113fd5ca21

Malware Config

Extracted

Family

redline

Botnet

nam3

C2

103.89.90.61:34589

Attributes
  • auth_value

    64b900120bbceaa6a9c60e9079492895

Extracted

Family

redline

Botnet

5

C2

176.113.115.146:9582

Attributes
  • auth_value

    d38b30c1ccd6c1e5088d9e5bd9e51b0f

Extracted

Family

redline

Botnet

5076357887

C2

195.54.170.157:16525

Attributes
  • auth_value

    0dfaff60271d374d0c206d19883e06f3

Targets

    • Target

      4492863fa654c0b9ecca4e878331fe522067fc7b61496720c74da28b1d628338

    • Size

      928KB

    • MD5

      6e9c5512669fc9763cca768aae94da07

    • SHA1

      22e8dab76231e39c4fd259c18af0947f7dbe73ad

    • SHA256

      4492863fa654c0b9ecca4e878331fe522067fc7b61496720c74da28b1d628338

    • SHA512

      2154f4df798b66a117634d2b9b0551a2aea3715f6a3cde133ff93feee0c2113b2c8494356d2817e4df52e1ee788b8149e476679ddb78d71006e629113fd5ca21

    • RedLine

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

    • RedLine payload

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses 2FA software files, possible credential harvesting

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

3
T1005

Command and Control

Web Service

1
T1102

Tasks