General

  • Target

    2ab15aacd705d5f7a1e8adb8063f92d3f2f13b365577e09c52da2a0404ad36a8

  • Size

    533KB

  • Sample

    230331-zerskaef2t

  • MD5

    a62302f00a07551599cb00254593cdd3

  • SHA1

    b2fa2001cdc0dc5bbfe4c5c58db2550afe427f6b

  • SHA256

    2ab15aacd705d5f7a1e8adb8063f92d3f2f13b365577e09c52da2a0404ad36a8

  • SHA512

    466c8b32a18dbccdd76e054b77726278517b4eb49efcf92f6303d8327769905ec902c56b2fdee77fc0f163d747009c9dc18956efa5cb9bd1aeeebd7b2d34208d

  • SSDEEP

    12288:cMryy90hiJKxi3I7YHsTTd3Lq6vW4/TEGb0:GyGiJMyATd3GmN7b0

Malware Config

Extracted

Family

redline

Botnet

rosn

C2

176.113.115.145:4125

Attributes
  • auth_value

    050a19e1db4d0024b0f23b37dcf961f4

Extracted

Family

redline

Botnet

spora

C2

176.113.115.145:4125

Attributes
  • auth_value

    441b39ab37774b2ca9931c31e1bc6071

Targets

    • Target

      2ab15aacd705d5f7a1e8adb8063f92d3f2f13b365577e09c52da2a0404ad36a8

    • Size

      533KB

    • MD5

      a62302f00a07551599cb00254593cdd3

    • SHA1

      b2fa2001cdc0dc5bbfe4c5c58db2550afe427f6b

    • SHA256

      2ab15aacd705d5f7a1e8adb8063f92d3f2f13b365577e09c52da2a0404ad36a8

    • SHA512

      466c8b32a18dbccdd76e054b77726278517b4eb49efcf92f6303d8327769905ec902c56b2fdee77fc0f163d747009c9dc18956efa5cb9bd1aeeebd7b2d34208d

    • SSDEEP

      12288:cMryy90hiJKxi3I7YHsTTd3Lq6vW4/TEGb0:GyGiJMyATd3GmN7b0

    • 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