General

  • Target

    b1b9edba3110d3f6e1d37249f7c69ea5.bin

  • Size

    632KB

  • Sample

    230329-b15pjsec53

  • MD5

    4bbe8986af6cf09a1e5598c2ef82d577

  • SHA1

    2e03a172b3b756cd3261fda864abccd47363c45b

  • SHA256

    1669b2f02005517b1da4e0ef4d4d2c3a47391789fc6bf28886bb0d0203c64115

  • SHA512

    a3b13341e318be8980cf5a843366115d14e35e833563722c8b108514db290c84f0cbf9bbef32051a10c03cf97668f9b60c6e16f7a60dc11e94b9a33b9f691eb4

  • SSDEEP

    12288:4nbrTxVm0hoe2k8DPnnCXZtph52nqx0nMwNDCh43zmaA9celDA:43LmhxKcqYbrmaAyiA

Malware Config

Extracted

Family

redline

Botnet

rosn

C2

176.113.115.145:4125

Attributes
  • auth_value

    050a19e1db4d0024b0f23b37dcf961f4

Extracted

Family

redline

Botnet

from

C2

176.113.115.145:4125

Attributes
  • auth_value

    8633e283485822a4a48f0a41d5397566

Targets

    • Target

      63b4f86f6e094ed68e2da3ecf003605e743105d3fab1f1992d3896bc9bf0c3eb.exe

    • Size

      675KB

    • MD5

      b1b9edba3110d3f6e1d37249f7c69ea5

    • SHA1

      805be968dd146cb68492d9a6759ba6551f555008

    • SHA256

      63b4f86f6e094ed68e2da3ecf003605e743105d3fab1f1992d3896bc9bf0c3eb

    • SHA512

      f4701376b91264b777db007ffe8dcbc0ce206765f0126487e2f944450687e48524d1edf1d7eca60231379f31ee4e20bc201e67552b2f594df6f41a2742cf1331

    • SSDEEP

      12288:uMrsy90rGERgVYhFUUuG38kMcXBkFzW3WzNVNbo8kYZ0rWwaEJU46/BP:GyuiuBPRMcWFzbzTpJkvrWnb/5

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • RedLine payload

    • 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

    • 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.

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

3
T1112

Disabling Security Tools

2
T1089

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

1
T1012

Collection

Data from Local System

2
T1005

Tasks