General

  • Target

    44150bd918e3d55a9a1b2834991b608bf2aa2cb30e7a707756a969b235674b51

  • Size

    544KB

  • Sample

    230323-2wkfxscf9t

  • MD5

    cf6377ffd96ce34192f13f7513358c09

  • SHA1

    3224397da71bd622f795129910b611b7e02cd309

  • SHA256

    44150bd918e3d55a9a1b2834991b608bf2aa2cb30e7a707756a969b235674b51

  • SHA512

    720f8d6c02df1b37db15533c6048ddf0febafe8b26e27df7ff257ce1327fd179905215e72ab840d1f1b70043069235159c127842a2fcc3e67235c93e923d486b

  • SSDEEP

    12288:fMrQy9089Y+VmtLo8TYtciDWQEfbiLPCqgU8MLvwuzBa2GHjihhF:HyzYIOY+i55Le5Mz15GDihL

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

      44150bd918e3d55a9a1b2834991b608bf2aa2cb30e7a707756a969b235674b51

    • Size

      544KB

    • MD5

      cf6377ffd96ce34192f13f7513358c09

    • SHA1

      3224397da71bd622f795129910b611b7e02cd309

    • SHA256

      44150bd918e3d55a9a1b2834991b608bf2aa2cb30e7a707756a969b235674b51

    • SHA512

      720f8d6c02df1b37db15533c6048ddf0febafe8b26e27df7ff257ce1327fd179905215e72ab840d1f1b70043069235159c127842a2fcc3e67235c93e923d486b

    • SSDEEP

      12288:fMrQy9089Y+VmtLo8TYtciDWQEfbiLPCqgU8MLvwuzBa2GHjihhF:HyzYIOY+i55Le5Mz15GDihL

    • 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