General

  • Target

    04740599.exe

  • Size

    779KB

  • Sample

    230604-kfj2sabf58

  • MD5

    0235b624a8f89e611a621bd275c086e3

  • SHA1

    99a1e642fc2b2bd7c6141105f9656e394e0628e9

  • SHA256

    63a7d843908d4aa281ed8dcd055178bd1690e2f2b22feae0d8cc5de63d0d7650

  • SHA512

    e505dd65d4be3f71f49a0eeed2ea45838b0ca08ef423a99880e23c4292aaf4e4bd05aa1f246ae0ba80a907910350c96ae613dd2210e79aa58ccb60e538e78a84

  • SSDEEP

    24576:OyhtdO3WeuqynKE+oahqdWy8GIs07GxU:d5OQnV+oCYDRIsGGx

Malware Config

Extracted

Family

redline

Botnet

musa

C2

83.97.73.126:19046

Attributes
  • auth_value

    745cd242a52ab79c9c9026155d62f359

Extracted

Family

redline

Botnet

brain

C2

83.97.73.126:19046

Attributes
  • auth_value

    5fb8269baadec0c49899b9a7a0c8851f

Targets

    • Target

      04740599.exe

    • Size

      779KB

    • MD5

      0235b624a8f89e611a621bd275c086e3

    • SHA1

      99a1e642fc2b2bd7c6141105f9656e394e0628e9

    • SHA256

      63a7d843908d4aa281ed8dcd055178bd1690e2f2b22feae0d8cc5de63d0d7650

    • SHA512

      e505dd65d4be3f71f49a0eeed2ea45838b0ca08ef423a99880e23c4292aaf4e4bd05aa1f246ae0ba80a907910350c96ae613dd2210e79aa58ccb60e538e78a84

    • SSDEEP

      24576:OyhtdO3WeuqynKE+oahqdWy8GIs07GxU:d5OQnV+oCYDRIsGGx

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • Checks computer location settings

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

    • 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.

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks