General

  • Target

    25d89569e1a25a6e08503d16758cb3c8d95fab993ddd98e5bf6ce713ed38c7e5

  • Size

    670KB

  • Sample

    230608-vz22tahb53

  • MD5

    3c397e468ae4c11e7ab8fbb0d641848b

  • SHA1

    d026ec46b899d93440a2a9f58de195a95eb6d543

  • SHA256

    25d89569e1a25a6e08503d16758cb3c8d95fab993ddd98e5bf6ce713ed38c7e5

  • SHA512

    4b46d56fe6014862df2c85e19b51b6b161a82ad466d07443bb833891810f7edd8a9bede2acb66cd4969079f6188d3ec2db501ffb1d3581bb3bb3e8a2f3a68cf0

  • SSDEEP

    12288:0MrWy90ASCx2zkUbD3uRYDK4iWVBICjoLq60aFj6/SfiOW92B8ugIJ0HphY6:CyZbczzD3uRYuIwFhZFGIB2HphT

Malware Config

Extracted

Family

redline

Botnet

muha

C2

83.97.73.129:19068

Attributes
  • auth_value

    3c237e5fecb41481b7af249e79828a46

Extracted

Family

redline

Botnet

crazy

C2

83.97.73.129:19068

Attributes
  • auth_value

    66bc4d9682ea090eef64a299ece12fdd

Targets

    • Target

      25d89569e1a25a6e08503d16758cb3c8d95fab993ddd98e5bf6ce713ed38c7e5

    • Size

      670KB

    • MD5

      3c397e468ae4c11e7ab8fbb0d641848b

    • SHA1

      d026ec46b899d93440a2a9f58de195a95eb6d543

    • SHA256

      25d89569e1a25a6e08503d16758cb3c8d95fab993ddd98e5bf6ce713ed38c7e5

    • SHA512

      4b46d56fe6014862df2c85e19b51b6b161a82ad466d07443bb833891810f7edd8a9bede2acb66cd4969079f6188d3ec2db501ffb1d3581bb3bb3e8a2f3a68cf0

    • SSDEEP

      12288:0MrWy90ASCx2zkUbD3uRYDK4iWVBICjoLq60aFj6/SfiOW92B8ugIJ0HphY6:CyZbczzD3uRYuIwFhZFGIB2HphT

    • 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 Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Disabling Security Tools

1
T1089

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Tasks