General

  • Target

    87461227b053873d29cb693e270173723b0810e67d453d250417670a58ac0e7b

  • Size

    546KB

  • Sample

    230324-bn4aysbc86

  • MD5

    b37879609e1f28459afa3728e3c0747e

  • SHA1

    b8821a85ed735288d007f10b14445a951cd63d73

  • SHA256

    87461227b053873d29cb693e270173723b0810e67d453d250417670a58ac0e7b

  • SHA512

    80669ea58e60ee0398c183267699c2f1119b36f0238511c6b5a1de9bca53d9d1ddd740a8a62e5a3d33c11f33574e2ae5a1692704c6ed6983b438c832e7063534

  • SSDEEP

    12288:fMr+y90H/0jVD7WovgVc1l3doVn/Vst9wLEmK/ngRDLaO:xyfjVDBvOSMiUEmD/Z

Malware Config

Extracted

Family

redline

Botnet

down

C2

193.233.20.31:4125

Attributes
  • auth_value

    12c31a90c72f5efae8c053a0bd339381

Extracted

Family

redline

Botnet

real

C2

193.233.20.31:4125

Attributes
  • auth_value

    bb22a50228754849387d5f4d1611e71b

Targets

    • Target

      87461227b053873d29cb693e270173723b0810e67d453d250417670a58ac0e7b

    • Size

      546KB

    • MD5

      b37879609e1f28459afa3728e3c0747e

    • SHA1

      b8821a85ed735288d007f10b14445a951cd63d73

    • SHA256

      87461227b053873d29cb693e270173723b0810e67d453d250417670a58ac0e7b

    • SHA512

      80669ea58e60ee0398c183267699c2f1119b36f0238511c6b5a1de9bca53d9d1ddd740a8a62e5a3d33c11f33574e2ae5a1692704c6ed6983b438c832e7063534

    • SSDEEP

      12288:fMr+y90H/0jVD7WovgVc1l3doVn/Vst9wLEmK/ngRDLaO:xyfjVDBvOSMiUEmD/Z

    • 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

    • 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